From 71b2c441bb236fd43a1695e80af68ef750cddd0c Mon Sep 17 00:00:00 2001 From: Jim Huang Date: Fri, 25 Jun 2021 10:09:19 +0800 Subject: [PATCH 001/131] CI: Update the macOS image to version 10.15 --- azure-pipelines.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/azure-pipelines.yml b/azure-pipelines.yml index aeb2908b5..65ceb30b1 100644 --- a/azure-pipelines.yml +++ b/azure-pipelines.yml @@ -115,7 +115,7 @@ jobs: displayName: macOS pool: vmImage: - macOS-10.14 + macOS-10.15 strategy: matrix: Debug: From c4947c887903ab216589a763013d2b22cf6457ac Mon Sep 17 00:00:00 2001 From: Jim Huang Date: Sat, 24 Apr 2021 06:24:06 +0800 Subject: [PATCH 002/131] Use secure random generator on macOS The implementation of arc4random_buf differs from its documentation. It is documented as "always successful, and no return value is reserved to indicate an error" for the sake of FreeBSD compatibility [1]. However, the actual implementation on macOS invokes function "ccrng_generate" [2] without validating the error cases. It might fail silently[3], which leads to unexpected source of entropy. The original arc4random used the RC4 a.k.a. ARC4 algorithm, and ChaCha20 based implementation was introduced in FreeBSD 12.0. Since macOS 10.12, it was replaced with the NIST-approved AES cipher, and it may be replaced again in the future as cryptographic techniques advance. Therefore, we should not assume that arc4random never fails. On the contrary, CCRandomGenerateBytes(), part of Cryptographic Services [4], returns cryptographically strong random bits with explicit status code. This patch properly calls CCRandomGenerateBytes() and checks the status. [1] https://www.freebsd.org/cgi/man.cgi?query=arc4random_buf [2] https://opensource.apple.com/source/CommonCrypto/CommonCrypto-60178.40.2/lib/CommonRandom.c.auto.html [3] https://opensource.apple.com/source/Libc/Libc-1439.40.11/gen/FreeBSD/arc4random.c.auto.html [4] https://developer.apple.com/documentation/security --- src/random.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/src/random.c b/src/random.c index 255bede4d..910a3e891 100644 --- a/src/random.c +++ b/src/random.c @@ -156,7 +156,8 @@ uintptr_t _mi_random_next(mi_random_ctx_t* ctx) { /* ---------------------------------------------------------------------------- To initialize a fresh random context we rely on the OS: - Windows : BCryptGenRandom (or RtlGenRandom) -- osX,bsd,wasi: arc4random_buf +- macOS : CCRandomGenerateBytes +- bsd,wasi : arc4random_buf - Linux : getrandom,/dev/urandom If we cannot get good randomness, we fall back to weak randomness based on a timer and ASLR. -----------------------------------------------------------------------------*/ @@ -186,7 +187,36 @@ static bool os_random_buf(void* buf, size_t buf_len) { } #endif -#elif defined(ANDROID) || defined(XP_DARWIN) || defined(__APPLE__) || defined(__DragonFly__) || \ +#elif defined(__APPLE__) +#include +#if defined(MAC_OS_X_VERSION_10_10) && \ + MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_10 +#include +#endif +static bool os_random_buf(void* buf, size_t buf_len) { + /* The implementation of arc4random_buf(3) differs from its documentation. + * It is documented as "always successful, and no return value is reserved + * to indicate an error." However, the actual implementation invokes the + * function "ccrng_generate" without validating the error cases. It might + * fail silently, which leads to unexpected source of entropy. + * See: + * https://opensource.apple.com/source/Libc/Libc-1439.40.11/gen/FreeBSD/arc4random.c.auto.html + * + * CCRandomGenerateBytes(), on the contrary, returns cryptographically strong + * random bits with explicit status code. + */ +#if defined(MAC_OS_X_VERSION_10_15) && \ + MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_15 + return CCRandomGenerateBytes(buf, buf_len) == kCCSuccess; +#else + /* Prior to macOS 10.15, CCRandomGenerateBytes() might take a bit longer time + * to complete, so failback to arc4random_buf(). + */ + arc4random_buf(buf, buf_len); + return true; +#endif +} +#elif defined(ANDROID) || defined(__DragonFly__) || \ defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \ defined(__sun) || defined(__wasi__) #include From 09c658dd401a9a4a7a2c807f6bd274d0420e109d Mon Sep 17 00:00:00 2001 From: daan Date: Mon, 15 Nov 2021 10:10:47 -0800 Subject: [PATCH 003/131] try to allocate within our hint space (partially addresses issue #360) --- src/os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/os.c b/src/os.c index ee6e92c06..90773fc6e 100644 --- a/src/os.c +++ b/src/os.c @@ -585,7 +585,7 @@ static mi_decl_cache_align _Atomic(uintptr_t) aligned_base; static void* mi_os_get_aligned_hint(size_t try_alignment, size_t size) { if (try_alignment == 0 || try_alignment > MI_SEGMENT_SIZE) return NULL; - if ((size%MI_SEGMENT_SIZE) != 0) return NULL; + size = _mi_align_up(size, MI_SEGMENT_SIZE); if (size > 1*MI_GiB) return NULL; // guarantee the chance of fixed valid address is at most 1/(KK_HINT_AREA / 1<<30) = 1/4096. #if (MI_SECURE>0) size += MI_SEGMENT_SIZE; // put in `MI_SEGMENT_SIZE` virtual gaps between hinted blocks; this splits VLA's but increases guarded areas. From 1c22650719cc09cdeba10b9add7af4b1e9b2ef2d Mon Sep 17 00:00:00 2001 From: daan Date: Mon, 15 Nov 2021 10:52:09 -0800 Subject: [PATCH 004/131] remove no-invalid-memory-model supression --- CMakeLists.txt | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 87f4cddde..7c2c6cfca 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -181,10 +181,7 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU") list(APPEND mi_cflags -Wall -Wextra -Wno-unknown-pragmas -fvisibility=hidden) if(NOT MI_USE_CXX) list(APPEND mi_cflags -Wstrict-prototypes) - endif() - if(CMAKE_C_COMPILER_ID MATCHES "GNU") - list(APPEND mi_cflags -Wno-invalid-memory-model) - endif() + endif() if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang") list(APPEND mi_cflags -Wpedantic -Wno-static-in-inline) endif() From 6efd78c5e0825b3cf502f1eacc13a8e03d4aaefe Mon Sep 17 00:00:00 2001 From: daan Date: Mon, 15 Nov 2021 10:52:39 -0800 Subject: [PATCH 005/131] remove O3 flag --- CMakeLists.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index e5a463817..8a7cc5e06 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -178,7 +178,7 @@ endif() # Compiler flags if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU") - list(APPEND mi_cflags -Wall -Wextra -Wno-unknown-pragmas -fvisibility=hidden $<$:-O3>) + list(APPEND mi_cflags -Wall -Wextra -Wno-unknown-pragmas -fvisibility=hidden) if(NOT MI_USE_CXX) list(APPEND mi_cflags -Wstrict-prototypes) endif() From 8b60a5ab70b342ca1ff404a4ee6c5340ccfb47a6 Mon Sep 17 00:00:00 2001 From: daan Date: Tue, 23 Nov 2021 17:59:27 -0800 Subject: [PATCH 006/131] add mi_unsafe_free_with_threadid and mi_get_current_threadid() --- include/mimalloc-internal.h | 3 +++ include/mimalloc.h | 2 ++ src/alloc.c | 25 +++++++++++++++++++++---- 3 files changed, 26 insertions(+), 4 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index cf5b6783f..1333c80fe 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -20,14 +20,17 @@ terms of the MIT license. A copy of the license can be found in the file #if defined(_MSC_VER) #pragma warning(disable:4127) // suppress constant conditional warning (due to MI_SECURE paths) #define mi_decl_noinline __declspec(noinline) +#define mi_decl_always_inline __forceinline #define mi_decl_thread __declspec(thread) #define mi_decl_cache_align __declspec(align(MI_CACHE_LINE)) #elif (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) // includes clang and icc #define mi_decl_noinline __attribute__((noinline)) +#define mi_decl_always_inline __attribute__((always_inline)) #define mi_decl_thread __thread #define mi_decl_cache_align __attribute__((aligned(MI_CACHE_LINE))) #else #define mi_decl_noinline +#define mi_decl_always_inline inline #define mi_decl_thread __thread // hope for the best :-) #define mi_decl_cache_align #endif diff --git a/include/mimalloc.h b/include/mimalloc.h index 756e516cb..f90af4a3b 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -271,6 +271,8 @@ mi_decl_export int mi_reserve_huge_os_pages_at(size_t pages, int numa_node, size mi_decl_export int mi_reserve_os_memory(size_t size, bool commit, bool allow_large) mi_attr_noexcept; mi_decl_export bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node) mi_attr_noexcept; +mi_decl_export size_t mi_get_current_threadid(void) mi_attr_noexcept; +mi_decl_export void mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept; // deprecated mi_decl_export int mi_reserve_huge_os_pages(size_t pages, double max_secs, size_t* pages_reserved) mi_attr_noexcept; diff --git a/src/alloc.c b/src/alloc.c index d9b6dd609..4d0d9e59f 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -475,14 +475,12 @@ static inline mi_segment_t* mi_checked_ptr_segment(const void* p, const char* ms return segment; } - -// Free a block -void mi_free(void* p) mi_attr_noexcept +// Free a block with a known threadid +static mi_decl_always_inline void _mi_free_with_threadid(void* p, mi_threadid_t tid) mi_attr_noexcept { const mi_segment_t* const segment = mi_checked_ptr_segment(p,"mi_free"); if (mi_unlikely(segment == NULL)) return; - const mi_threadid_t tid = _mi_thread_id(); mi_page_t* const page = _mi_segment_page_of(segment, p); mi_block_t* const block = (mi_block_t*)p; @@ -507,6 +505,25 @@ void mi_free(void* p) mi_attr_noexcept } } +// Get the current thread id +size_t mi_get_current_threadid(void) mi_attr_noexcept { + return _mi_thread_id(); +} + +// Free a block passing the current thread id explicitly +void mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept +{ + mi_assert(current_tid == _mi_thread_id()); + _mi_free_with_threadid(p,current_tid); +} + + +// Free a block +void mi_free(void* p) mi_attr_noexcept { + _mi_free_with_threadid(p, _mi_thread_id()); +} + + bool _mi_free_delayed_block(mi_block_t* block) { // get segment and page const mi_segment_t* const segment = _mi_ptr_segment(block); From 3548d8d716569f96967af4da0fdc57d2f09e7c38 Mon Sep 17 00:00:00 2001 From: daan Date: Tue, 23 Nov 2021 18:39:03 -0800 Subject: [PATCH 007/131] add noinline to avoid warnings --- src/alloc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/alloc.c b/src/alloc.c index 4d0d9e59f..e9167848a 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -511,7 +511,7 @@ size_t mi_get_current_threadid(void) mi_attr_noexcept { } // Free a block passing the current thread id explicitly -void mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept +void mi_decl_noinline mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept { mi_assert(current_tid == _mi_thread_id()); _mi_free_with_threadid(p,current_tid); @@ -519,7 +519,7 @@ void mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept // Free a block -void mi_free(void* p) mi_attr_noexcept { +void mi_decl_noinline mi_free(void* p) mi_attr_noexcept { _mi_free_with_threadid(p, _mi_thread_id()); } From 9183b1eec005be9863e58d51ba0f96b97721d48c Mon Sep 17 00:00:00 2001 From: daan Date: Tue, 23 Nov 2021 19:04:41 -0800 Subject: [PATCH 008/131] remove experiment with unsafe_free_with_threadid --- include/mimalloc-internal.h | 3 --- include/mimalloc.h | 3 --- src/alloc.c | 24 +++--------------------- 3 files changed, 3 insertions(+), 27 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index 1333c80fe..cf5b6783f 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -20,17 +20,14 @@ terms of the MIT license. A copy of the license can be found in the file #if defined(_MSC_VER) #pragma warning(disable:4127) // suppress constant conditional warning (due to MI_SECURE paths) #define mi_decl_noinline __declspec(noinline) -#define mi_decl_always_inline __forceinline #define mi_decl_thread __declspec(thread) #define mi_decl_cache_align __declspec(align(MI_CACHE_LINE)) #elif (defined(__GNUC__) && (__GNUC__ >= 3)) || defined(__clang__) // includes clang and icc #define mi_decl_noinline __attribute__((noinline)) -#define mi_decl_always_inline __attribute__((always_inline)) #define mi_decl_thread __thread #define mi_decl_cache_align __attribute__((aligned(MI_CACHE_LINE))) #else #define mi_decl_noinline -#define mi_decl_always_inline inline #define mi_decl_thread __thread // hope for the best :-) #define mi_decl_cache_align #endif diff --git a/include/mimalloc.h b/include/mimalloc.h index f90af4a3b..06a167031 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -271,9 +271,6 @@ mi_decl_export int mi_reserve_huge_os_pages_at(size_t pages, int numa_node, size mi_decl_export int mi_reserve_os_memory(size_t size, bool commit, bool allow_large) mi_attr_noexcept; mi_decl_export bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node) mi_attr_noexcept; -mi_decl_export size_t mi_get_current_threadid(void) mi_attr_noexcept; -mi_decl_export void mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept; - // deprecated mi_decl_export int mi_reserve_huge_os_pages(size_t pages, double max_secs, size_t* pages_reserved) mi_attr_noexcept; diff --git a/src/alloc.c b/src/alloc.c index e9167848a..ca32cabab 100644 --- a/src/alloc.c +++ b/src/alloc.c @@ -475,12 +475,13 @@ static inline mi_segment_t* mi_checked_ptr_segment(const void* p, const char* ms return segment; } -// Free a block with a known threadid -static mi_decl_always_inline void _mi_free_with_threadid(void* p, mi_threadid_t tid) mi_attr_noexcept +// Free a block +void mi_free(void* p) mi_attr_noexcept { const mi_segment_t* const segment = mi_checked_ptr_segment(p,"mi_free"); if (mi_unlikely(segment == NULL)) return; + mi_threadid_t tid = _mi_thread_id(); mi_page_t* const page = _mi_segment_page_of(segment, p); mi_block_t* const block = (mi_block_t*)p; @@ -505,25 +506,6 @@ static mi_decl_always_inline void _mi_free_with_threadid(void* p, mi_threadid_t } } -// Get the current thread id -size_t mi_get_current_threadid(void) mi_attr_noexcept { - return _mi_thread_id(); -} - -// Free a block passing the current thread id explicitly -void mi_decl_noinline mi_unsafe_free_with_threadid(void* p, size_t current_tid ) mi_attr_noexcept -{ - mi_assert(current_tid == _mi_thread_id()); - _mi_free_with_threadid(p,current_tid); -} - - -// Free a block -void mi_decl_noinline mi_free(void* p) mi_attr_noexcept { - _mi_free_with_threadid(p, _mi_thread_id()); -} - - bool _mi_free_delayed_block(mi_block_t* block) { // get segment and page const mi_segment_t* const segment = _mi_ptr_segment(block); From 0be71a2cac17062bd8913cbd272c472a44331b7f Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 24 Nov 2021 12:54:54 -0800 Subject: [PATCH 009/131] fix prefix --- src/os.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/src/os.c b/src/os.c index 90773fc6e..603ec04a1 100644 --- a/src/os.c +++ b/src/os.c @@ -578,29 +578,29 @@ static mi_decl_cache_align _Atomic(uintptr_t) aligned_base; // (otherwise an initial large allocation of say 2TiB has a 50% chance to include (known) addresses // in the middle of the 2TiB - 6TiB address range (see issue #372)) -#define KK_HINT_BASE ((uintptr_t)2 << 40) // 2TiB start -#define KK_HINT_AREA ((uintptr_t)4 << 40) // upto 6TiB (since before win8 there is "only" 8TiB available to processes) -#define KK_HINT_MAX ((uintptr_t)30 << 40) // wrap after 30TiB (area after 32TiB is used for huge OS pages) +#define MI_HINT_BASE ((uintptr_t)2 << 40) // 2TiB start +#define MI_HINT_AREA ((uintptr_t)4 << 40) // upto 6TiB (since before win8 there is "only" 8TiB available to processes) +#define MI_HINT_MAX ((uintptr_t)30 << 40) // wrap after 30TiB (area after 32TiB is used for huge OS pages) static void* mi_os_get_aligned_hint(size_t try_alignment, size_t size) { if (try_alignment == 0 || try_alignment > MI_SEGMENT_SIZE) return NULL; size = _mi_align_up(size, MI_SEGMENT_SIZE); - if (size > 1*MI_GiB) return NULL; // guarantee the chance of fixed valid address is at most 1/(KK_HINT_AREA / 1<<30) = 1/4096. + if (size > 1*MI_GiB) return NULL; // guarantee the chance of fixed valid address is at most 1/(MI_HINT_AREA / 1<<30) = 1/4096. #if (MI_SECURE>0) size += MI_SEGMENT_SIZE; // put in `MI_SEGMENT_SIZE` virtual gaps between hinted blocks; this splits VLA's but increases guarded areas. #endif uintptr_t hint = mi_atomic_add_acq_rel(&aligned_base, size); - if (hint == 0 || hint > KK_HINT_MAX) { // wrap or initialize - uintptr_t init = KK_HINT_BASE; + if (hint == 0 || hint > MI_HINT_MAX) { // wrap or initialize + uintptr_t init = MI_HINT_BASE; #if (MI_SECURE>0 || MI_DEBUG==0) // security: randomize start of aligned allocations unless in debug mode uintptr_t r = _mi_heap_random_next(mi_get_default_heap()); - init = init + ((MI_SEGMENT_SIZE * ((r>>17) & 0xFFFFF)) % KK_HINT_AREA); // (randomly 20 bits)*4MiB == 0 to 4TiB + init = init + ((MI_SEGMENT_SIZE * ((r>>17) & 0xFFFFF)) % MI_HINT_AREA); // (randomly 20 bits)*4MiB == 0 to 4TiB #endif uintptr_t expected = hint + size; mi_atomic_cas_strong_acq_rel(&aligned_base, &expected, init); - hint = mi_atomic_add_acq_rel(&aligned_base, size); // this may still give 0 or > KK_HINT_MAX but that is ok, it is a hint after all + hint = mi_atomic_add_acq_rel(&aligned_base, size); // this may still give 0 or > MI_HINT_MAX but that is ok, it is a hint after all } if (hint%try_alignment != 0) return NULL; return (void*)hint; @@ -638,11 +638,11 @@ static void* mi_os_mem_alloc(size_t size, size_t try_alignment, bool commit, boo if (commit) flags |= MEM_COMMIT; p = mi_win_virtual_alloc(NULL, size, try_alignment, flags, false, allow_large, is_large); #elif defined(MI_USE_SBRK) - KK_UNUSED(allow_large); + MI_UNUSED(allow_large); *is_large = false; p = mi_sbrk_heap_grow(size, try_alignment); #elif defined(__wasi__) - KK_UNUSED(allow_large); + MI_UNUSED(allow_large); *is_large = false; p = mi_wasm_heap_grow(size, try_alignment); #else From 20e37bf7c1ce89515b38bb82aa6b8b3838b9c456 Mon Sep 17 00:00:00 2001 From: DC Date: Sun, 28 Nov 2021 08:14:21 +0000 Subject: [PATCH 010/131] removes dragonflybsd warning since the api and library overriding works, also for the os doc report purpose. --- include/mimalloc-internal.h | 3 --- 1 file changed, 3 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index cf5b6783f..e22953d40 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -314,9 +314,6 @@ mi_heap_t* _mi_heap_main_get(void); // statically allocated main backing hea // use end bytes of a name; goes wrong if anyone uses names > 23 characters (ptrhread specifies 16) // see #define MI_TLS_PTHREAD_SLOT_OFS (6*sizeof(int) + 4*sizeof(void*) + 24) -#elif defined(__DragonFly__) -#warning "mimalloc is not working correctly on DragonFly yet." -//#define MI_TLS_PTHREAD_SLOT_OFS (4 + 1*sizeof(void*)) // offset `uniqueid` (also used by gdb?) #endif #endif From acc64ee5cd58277490a89d4c4f97e3f3839beff5 Mon Sep 17 00:00:00 2001 From: Igor Vlasenko Date: Sun, 28 Nov 2021 19:14:31 +0200 Subject: [PATCH 011/131] added SOVERSION to mimalloc shared lib (issue #490) This is a portability improvement. A cross-platform library needs SOVERSION field for Unix platforms. With SOVERSION field cmake itself will do proper management of libmimalloc.so.SOVERSION -> libmimalloc.so.VERSION symlink on Unix, so a piece of code that tried to emulate this behavior manually is no more needed and is removed here too. --- CMakeLists.txt | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 7c2c6cfca..8eb5c958e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -280,7 +280,7 @@ message(STATUS "") # shared library if(MI_BUILD_SHARED) add_library(mimalloc SHARED ${mi_sources}) - set_target_properties(mimalloc PROPERTIES VERSION ${mi_version} OUTPUT_NAME ${mi_basename} ) + set_target_properties(mimalloc PROPERTIES VERSION ${mi_version} SOVERSION ${mi_version_major} OUTPUT_NAME ${mi_basename} ) target_compile_definitions(mimalloc PRIVATE ${mi_defines} MI_SHARED_LIB MI_SHARED_LIB_EXPORT) target_compile_options(mimalloc PRIVATE ${mi_cflags}) target_link_libraries(mimalloc PUBLIC ${mi_libraries}) @@ -336,16 +336,6 @@ install(FILES include/mimalloc-new-delete.h DESTINATION ${mi_install_incdir}) install(FILES cmake/mimalloc-config.cmake DESTINATION ${mi_install_cmakedir}) install(FILES cmake/mimalloc-config-version.cmake DESTINATION ${mi_install_cmakedir}) -if(NOT WIN32 AND MI_BUILD_SHARED AND NOT MI_INSTALL_TOPLEVEL) - # install a symlink in the /usr/local/lib to the versioned library - # note: use delayed prefix expansion as \${CMAKE_INSTALL_PREFIX} - set(mi_symlink "${CMAKE_SHARED_MODULE_PREFIX}${mi_basename}${CMAKE_SHARED_LIBRARY_SUFFIX}") - set(mi_soname "mimalloc-${mi_version}/${mi_symlink}.${mi_version}") - install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${mi_soname} ${mi_symlink} WORKING_DIRECTORY \${CMAKE_INSTALL_PREFIX}/lib)") - install(CODE "MESSAGE(\"-- Symbolic link: \${CMAKE_INSTALL_PREFIX}/lib/${mi_symlink} -> ${mi_soname}\")") - install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ${mi_soname} ${mi_symlink}.${mi_version} WORKING_DIRECTORY \${CMAKE_INSTALL_PREFIX}/lib)") - install(CODE "MESSAGE(\"-- Symbolic link: \${CMAKE_INSTALL_PREFIX}/lib/${mi_symlink}.${mi_version} -> ${mi_soname}\")") -endif() # single object file for more predictable static overriding if (MI_BUILD_OBJECT) From f82e13ac91716ff60d4e656e1f825ce727b7fd7d Mon Sep 17 00:00:00 2001 From: Igor Vlasenko Date: Sun, 28 Nov 2021 19:20:12 +0200 Subject: [PATCH 012/131] let the library VERSION = the project's one (issue #490) This is a cross-platform usability improvement. On Unix platforms it is customary for library to have VERSION and SOVERSION, where SOVERSION changes on major API changes and VERSION is the same as project's version, so library users always know what vesion this library belongs to just by name. With this patch we have a proper libmimalloc.so.VERSION on Unix. --- cmake/mimalloc-config-version.cmake | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/cmake/mimalloc-config-version.cmake b/cmake/mimalloc-config-version.cmake index ed95c19e9..3768d7def 100644 --- a/cmake/mimalloc-config-version.cmake +++ b/cmake/mimalloc-config-version.cmake @@ -1,6 +1,7 @@ set(mi_version_major 1) set(mi_version_minor 7) -set(mi_version ${mi_version_major}.${mi_version_minor}) +set(mi_version_patch 3) +set(mi_version ${mi_version_major}.${mi_version_minor}.${mi_version_patch}) set(PACKAGE_VERSION ${mi_version}) if(PACKAGE_FIND_VERSION_MAJOR) From d6a56dd99d5abe4e1f6af555976ee8dc64e1ec8a Mon Sep 17 00:00:00 2001 From: David Carlier Date: Wed, 1 Dec 2021 22:43:13 +0000 Subject: [PATCH 013/131] introduces netbsd's reallocarr overriding. and couple of tests. --- include/mimalloc-override.h | 1 + include/mimalloc.h | 1 + src/alloc-override.c | 1 + src/alloc-posix.c | 14 ++++++++++++++ test/main-override.c | 8 +++++++- 5 files changed, 24 insertions(+), 1 deletion(-) diff --git a/include/mimalloc-override.h b/include/mimalloc-override.h index 2362bfbc4..c00fc5946 100644 --- a/include/mimalloc-override.h +++ b/include/mimalloc-override.h @@ -48,6 +48,7 @@ not accidentally mix pointers from different allocators). #define valloc(n) mi_valloc(n) #define pvalloc(n) mi_pvalloc(n) #define reallocarray(p,s,n) mi_reallocarray(p,s,n) +#define reallocarr(p,s,n) mi_reallocarr(p,s,n) #define memalign(a,n) mi_memalign(a,n) #define aligned_alloc(a,n) mi_aligned_alloc(a,n) #define posix_memalign(p,a,n) mi_posix_memalign(p,a,n) diff --git a/include/mimalloc.h b/include/mimalloc.h index a2835d027..414d628d6 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -351,6 +351,7 @@ mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_pvalloc(size_t size) mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2) mi_attr_alloc_align(1); mi_decl_nodiscard mi_decl_export void* mi_reallocarray(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3); +mi_decl_nodiscard mi_decl_export int mi_reallocarr(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3); mi_decl_nodiscard mi_decl_export void* mi_aligned_recalloc(void* p, size_t newcount, size_t size, size_t alignment) mi_attr_noexcept; mi_decl_nodiscard mi_decl_export void* mi_aligned_offset_recalloc(void* p, size_t newcount, size_t size, size_t alignment, size_t offset) mi_attr_noexcept; diff --git a/src/alloc-override.c b/src/alloc-override.c index 5906bd204..d24cd8bc0 100644 --- a/src/alloc-override.c +++ b/src/alloc-override.c @@ -183,6 +183,7 @@ size_t malloc_usable_size(const void *p) MI_FORWARD1(mi_usable_size,p); void* valloc(size_t size) { return mi_valloc(size); } void* pvalloc(size_t size) { return mi_pvalloc(size); } void* reallocarray(void* p, size_t count, size_t size) { return mi_reallocarray(p, count, size); } +int reallocarr(void* p, size_t count, size_t size) { return mi_reallocarr(&p, count, size); } void* memalign(size_t alignment, size_t size) { return mi_memalign(alignment, size); } int posix_memalign(void** p, size_t alignment, size_t size) { return mi_posix_memalign(p, alignment, size); } void* _aligned_malloc(size_t alignment, size_t size) { return mi_aligned_alloc(alignment, size); } diff --git a/src/alloc-posix.c b/src/alloc-posix.c index eef70ab5f..6465304c2 100644 --- a/src/alloc-posix.c +++ b/src/alloc-posix.c @@ -90,6 +90,20 @@ void* mi_reallocarray( void* p, size_t count, size_t size ) mi_attr_noexcept { return newp; } +int mi_reallocarr( void* p, size_t count, size_t size ) mi_attr_noexcept { // NetBSD + void** op = (void** )p; + int serrno = errno; + void* newp = mi_reallocn(p,count,size); + if (mi_unlikely(newp == NULL)) { + errno = ENOMEM; + return errno; + } else { + *op = newp; + errno = serrno; + return 0; + } +} + void* mi__expand(void* p, size_t newsize) mi_attr_noexcept { // Microsoft void* res = mi_expand(p, newsize); if (res == NULL) errno = ENOMEM; diff --git a/test/main-override.c b/test/main-override.c index 1bec11797..284fdd204 100644 --- a/test/main-override.c +++ b/test/main-override.c @@ -3,7 +3,7 @@ #include #include -#include +#include int main() { mi_version(); // ensure mimalloc library is linked @@ -25,6 +25,12 @@ int main() { //free(p1); //p2 = malloc(32); //mi_free(p2); + p1 = malloc(24); + p2 = reallocarray(p1, 16, 16); + free(p2); + p1 = malloc(24); + assert(reallocarr(&p1, 16, 16) == 0); + free(p1); mi_stats_print(NULL); return 0; } From 36edfbc70ae4610d06b9fce245f35d92e6be92a5 Mon Sep 17 00:00:00 2001 From: Daan Leijen Date: Thu, 9 Dec 2021 16:18:17 -0800 Subject: [PATCH 014/131] use rtlgenrandom by default on windows --- src/random.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/random.c b/src/random.c index 05c5c99c4..1220401ac 100644 --- a/src/random.c +++ b/src/random.c @@ -167,8 +167,9 @@ If we cannot get good randomness, we fall back to weak randomness based on a tim #if defined(_WIN32) -#if !defined(MI_USE_RTLGENRANDOM) -// We prefer BCryptGenRandom over RtlGenRandom +#if defined(MI_USE_BCRYPTGENRANDOM) +// We would like to use BCryptGenRandom instead of RtlGenRandom but it can lead to a deadlock +// under the VS debugger when using dynamic overriding. #pragma comment (lib,"bcrypt.lib") #include static bool os_random_buf(void* buf, size_t buf_len) { From 3a212d1895c8722a31a78d354793fbd6b2f3192f Mon Sep 17 00:00:00 2001 From: Daan Date: Sun, 12 Dec 2021 10:35:13 -0800 Subject: [PATCH 015/131] fix assembly for mi_tls_slot_set on x32 and x64. Issue #488 --- include/mimalloc-internal.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index cf5b6783f..4713a75ee 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -746,9 +746,9 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept { #elif defined(__APPLE__) && defined(__x86_64__) __asm__("movq %1,%%gs:%0" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x86_64 macOSX uses GS #elif defined(__x86_64__) && (MI_INTPTR_SIZE==4) - __asm__("movl %1,%%fs:%1" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x32 ABI + __asm__("movl %1,%%fs:%0" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x32 ABI #elif defined(__x86_64__) - __asm__("movq %1,%%fs:%1" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x86_64 Linux, BSD uses FS + __asm__("movq %1,%%fs:%0" : "=m" (*((void**)ofs)) : "rn" (value) : ); // x86_64 Linux, BSD uses FS #elif defined(__arm__) void** tcb; MI_UNUSED(ofs); __asm__ volatile ("mrc p15, 0, %0, c13, c0, 3\nbic %0, %0, #3" : "=r" (tcb)); From d575aacfde579c241580d61297ec2430c4994109 Mon Sep 17 00:00:00 2001 From: Daan Date: Mon, 13 Dec 2021 13:10:33 -0800 Subject: [PATCH 016/131] use find_library for pthread (issue #496) --- CMakeLists.txt | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 7c2c6cfca..47b43ce53 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -210,13 +210,14 @@ endif() if(WIN32) list(APPEND mi_libraries psapi shell32 user32 advapi32 bcrypt) else() - if(NOT ${CMAKE_C_COMPILER} MATCHES "android") - list(APPEND mi_libraries pthread) - find_library(LIBRT rt) - if(LIBRT) - list(APPEND mi_libraries ${LIBRT}) - endif() + find_library(LIBPTHREAD pthread) + if (LIBPTHREAD) + list(APPEND mi_libraries ${LIBPTHREAD}) endif() + find_library(LIBRT rt) + if(LIBRT) + list(APPEND mi_libraries ${LIBRT}) + endif() endif() if (MI_USE_LIBATOMIC) @@ -270,6 +271,8 @@ else() message(STATUS "C Compiler : ${CMAKE_C_COMPILER}") endif() message(STATUS "Compiler flags : ${mi_cflags}") +message(STATUS "Compiler defines : ${mi_defines}") +message(STATUS "Link libraries : ${mi_libraries}") message(STATUS "Build targets : ${mi_build_targets}") message(STATUS "") From 69b6b246880d04e911416ffce8e8ccf6539ae2d7 Mon Sep 17 00:00:00 2001 From: Daan Date: Tue, 14 Dec 2021 18:29:14 -0800 Subject: [PATCH 017/131] further improvements to installation directories --- CMakeLists.txt | 19 +++++++++++-------- cmake/mimalloc-config-version.cmake | 4 ++-- cmake/mimalloc-config.cmake | 19 +++++++++++-------- include/mimalloc.h | 2 +- test/CMakeLists.txt | 2 +- 5 files changed, 26 insertions(+), 20 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index c3790b09b..0ceadffda 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -228,14 +228,17 @@ endif() # Install and output names # ----------------------------------------------------------------------------- +set(mi_install_libdir "${CMAKE_INSTALL_LIBDIR}") # for dynamic/shared library and symlinks + +# install at top level or use versioned directories for side-by-side installation? if (MI_INSTALL_TOPLEVEL) - set(mi_install_libdir "${CMAKE_INSTALL_LIBDIR}") - set(mi_install_incdir "${CMAKE_INSTALL_INCLUDEDIR}") - set(mi_install_cmakedir "${CMAKE_INSTALL_LIBDIR}/cmake/mimalloc") + set(mi_install_objdir "${CMAKE_INSTALL_LIBDIR}") + set(mi_install_incdir "${CMAKE_INSTALL_INCLUDEDIR}") + set(mi_install_cmakedir "${CMAKE_INSTALL_LIBDIR}/cmake/mimalloc") else() - set(mi_install_libdir "lib/mimalloc-${mi_version}") - set(mi_install_incdir "include/mimalloc-${mi_version}") - set(mi_install_cmakedir "share/mimalloc-${mi_version}/cmake") + set(mi_install_objdir "${CMAKE_INSTALL_LIBDIR}/mimalloc-${mi_version}") # for static library and object files + set(mi_install_incdir "${CMAKE_INSTALL_INCLUDEDIR}/mimalloc-${mi_version}") # for includes + set(mi_install_cmakedir "${CMAKE_INSTALL_LIBDIR}/cmake/mimalloc-${mi_version}") # for cmake package info endif() if(MI_SECURE) @@ -329,7 +332,7 @@ if (MI_BUILD_STATIC) set_target_properties(mimalloc-static PROPERTIES OUTPUT_NAME ${mi_basename}) endif() - install(TARGETS mimalloc-static EXPORT mimalloc DESTINATION ${mi_install_libdir} LIBRARY) + install(TARGETS mimalloc-static EXPORT mimalloc DESTINATION ${mi_install_objdir} LIBRARY) endif() # install include files @@ -357,7 +360,7 @@ if (MI_BUILD_OBJECT) # the FILES expression can also be: $ # but that fails cmake versions less than 3.10 so we leave it as is for now install(FILES ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/mimalloc-obj.dir/src/static.c${CMAKE_C_OUTPUT_EXTENSION} - DESTINATION ${mi_install_libdir} + DESTINATION ${mi_install_objdir} RENAME ${mi_basename}${CMAKE_C_OUTPUT_EXTENSION} ) endif() diff --git a/cmake/mimalloc-config-version.cmake b/cmake/mimalloc-config-version.cmake index 3768d7def..7bbd7313e 100644 --- a/cmake/mimalloc-config-version.cmake +++ b/cmake/mimalloc-config-version.cmake @@ -1,7 +1,7 @@ set(mi_version_major 1) set(mi_version_minor 7) -set(mi_version_patch 3) -set(mi_version ${mi_version_major}.${mi_version_minor}.${mi_version_patch}) +set(mi_version_patch 4) +set(mi_version ${mi_version_major}.${mi_version_minor}) set(PACKAGE_VERSION ${mi_version}) if(PACKAGE_FIND_VERSION_MAJOR) diff --git a/cmake/mimalloc-config.cmake b/cmake/mimalloc-config.cmake index 9b0a56d77..45d9692fd 100644 --- a/cmake/mimalloc-config.cmake +++ b/cmake/mimalloc-config.cmake @@ -1,11 +1,14 @@ include(${CMAKE_CURRENT_LIST_DIR}/mimalloc.cmake) -get_filename_component(MIMALLOC_SHARE_DIR "${CMAKE_CURRENT_LIST_DIR}" PATH) # one up from the cmake dir, e.g. /usr/local/share/mimalloc-2.0 -if (MIMALLOC_SHARE_DIR MATCHES "/share/") - string(REPLACE "/share/" "/lib/" MIMALLOC_LIBRARY_DIR ${MIMALLOC_SHARE_DIR}) - string(REPLACE "/share/" "/include/" MIMALLOC_INCLUDE_DIR ${MIMALLOC_SHARE_DIR}) -else() - # installed with -DMI_INSTALL_TOPLEVEL=ON - string(REPLACE "/lib/cmake" "/lib" MIMALLOC_LIBRARY_DIR "${MIMALLOC_SHARE_DIR}") - string(REPLACE "/lib/cmake" "/include" MIMALLOC_INCLUDE_DIR "${MIMALLOC_SHARE_DIR}") +get_filename_component(MIMALLOC_CMAKE_DIR "${CMAKE_CURRENT_LIST_DIR}" PATH) # one up from the cmake dir, e.g. /usr/local/lib/cmake/mimalloc-2.0 +get_filename_component(MIMALLOC_VER_DIR "${CMAKE_CURRENT_LIST_DIR}" NAME) +string(REPLACE "/lib/cmake" "/lib" MIMALLOC_LIBRARY_DIR "${MIMALLOC_CMAKE_DIR}") +if("${MIMALLOC_VER_DIR}" EQUAL "mimalloc") + # top level install + string(REPLACE "/lib/cmake" "/include" MIMALLOC_INCLUDE_DIR "${MIMALLOC_CMAKE_DIR}") + set(MIMALLOC_OBJECT_DIR "${MIMALLOC_LIBRARY_DIR}") +else() + # versioned + string(REPLACE "/lib/cmake/" "/include/" MIMALLOC_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}") + string(REPLACE "/lib/cmake/" "/lib/" MIMALLOC_OBJECT_DIR "${CMAKE_CURRENT_LIST_DIR}") endif() set(MIMALLOC_TARGET_DIR "${MIMALLOC_LIBRARY_DIR}") # legacy diff --git a/include/mimalloc.h b/include/mimalloc.h index 06a167031..a955e35cc 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -8,7 +8,7 @@ terms of the MIT license. A copy of the license can be found in the file #ifndef MIMALLOC_H #define MIMALLOC_H -#define MI_MALLOC_VERSION 173 // major + 2 digits minor +#define MI_MALLOC_VERSION 174 // major + 2 digits minor // ------------------------------------------------------ // Compiler specific attributes diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 13bf32de0..407dbee97 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -29,7 +29,7 @@ target_link_libraries(dynamic-override-cxx PUBLIC mimalloc) # overriding with a static object file works reliable as the symbols in the # object file have priority over those in library files -add_executable(static-override-obj main-override.c ${MIMALLOC_LIBRARY_DIR}/mimalloc.o) +add_executable(static-override-obj main-override.c ${MIMALLOC_OBJECT_DIR}/mimalloc.o) target_include_directories(static-override-obj PUBLIC ${MIMALLOC_INCLUDE_DIR}) target_link_libraries(static-override-obj PUBLIC pthread) From 73ced777dd11feeafc4664e8fe1814fa942481af Mon Sep 17 00:00:00 2001 From: daan Date: Tue, 14 Dec 2021 18:42:10 -0800 Subject: [PATCH 018/131] upgrade macos to latest --- azure-pipelines.yml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/azure-pipelines.yml b/azure-pipelines.yml index aeb2908b5..7261fc134 100644 --- a/azure-pipelines.yml +++ b/azure-pipelines.yml @@ -115,7 +115,7 @@ jobs: displayName: macOS pool: vmImage: - macOS-10.14 + macOS-latest strategy: matrix: Debug: From 6503ad7a76dacfae142ed4f8f23d1039a18dede8 Mon Sep 17 00:00:00 2001 From: daan Date: Tue, 14 Dec 2021 18:45:44 -0800 Subject: [PATCH 019/131] check if using bcryptgenrandom fixes windows pipeline --- src/random.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/random.c b/src/random.c index 1220401ac..fabd6c6e6 100644 --- a/src/random.c +++ b/src/random.c @@ -167,8 +167,8 @@ If we cannot get good randomness, we fall back to weak randomness based on a tim #if defined(_WIN32) -#if defined(MI_USE_BCRYPTGENRANDOM) -// We would like to use BCryptGenRandom instead of RtlGenRandom but it can lead to a deadlock +#if !defined(MI_USE_RTLGENRANDOM) +// We prefer to use BCryptGenRandom instead of RtlGenRandom but it can lead to a deadlock // under the VS debugger when using dynamic overriding. #pragma comment (lib,"bcrypt.lib") #include From 2d9b8aa6b56241ff3cc88ed5d5e3d862d91fd096 Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 15 Dec 2021 08:33:14 -0800 Subject: [PATCH 020/131] rename VER_DIR to VERSION_DIR --- cmake/mimalloc-config.cmake | 4 ++-- test/CMakeLists.txt | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/cmake/mimalloc-config.cmake b/cmake/mimalloc-config.cmake index 45d9692fd..8a28e37e7 100644 --- a/cmake/mimalloc-config.cmake +++ b/cmake/mimalloc-config.cmake @@ -1,8 +1,8 @@ include(${CMAKE_CURRENT_LIST_DIR}/mimalloc.cmake) get_filename_component(MIMALLOC_CMAKE_DIR "${CMAKE_CURRENT_LIST_DIR}" PATH) # one up from the cmake dir, e.g. /usr/local/lib/cmake/mimalloc-2.0 -get_filename_component(MIMALLOC_VER_DIR "${CMAKE_CURRENT_LIST_DIR}" NAME) +get_filename_component(MIMALLOC_VERSION_DIR "${CMAKE_CURRENT_LIST_DIR}" NAME) string(REPLACE "/lib/cmake" "/lib" MIMALLOC_LIBRARY_DIR "${MIMALLOC_CMAKE_DIR}") -if("${MIMALLOC_VER_DIR}" EQUAL "mimalloc") +if("${MIMALLOC_VERSION_DIR}" EQUAL "mimalloc") # top level install string(REPLACE "/lib/cmake" "/include" MIMALLOC_INCLUDE_DIR "${MIMALLOC_CMAKE_DIR}") set(MIMALLOC_OBJECT_DIR "${MIMALLOC_LIBRARY_DIR}") diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 407dbee97..054d9409b 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -17,7 +17,7 @@ endif() # Import mimalloc (if installed) find_package(mimalloc 1.7 REQUIRED NO_SYSTEM_ENVIRONMENT_PATH) -message(STATUS "Found mimalloc installed at: ${MIMALLOC_LIBRARY_DIR}") +message(STATUS "Found mimalloc installed at: ${MIMALLOC_LIBRARY_DIR} (${MIMALLOC_VERSION_DIR})") # overriding with a dynamic library add_executable(dynamic-override main-override.c) From b7d33c2c33aa4475014f80602a09e5d348d5821e Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 15 Dec 2021 08:41:52 -0800 Subject: [PATCH 021/131] fix MI_ prefix for libraries --- CMakeLists.txt | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 0ceadffda..48ecd3156 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -210,13 +210,13 @@ endif() if(WIN32) list(APPEND mi_libraries psapi shell32 user32 advapi32 bcrypt) else() - find_library(LIBPTHREAD pthread) - if (LIBPTHREAD) - list(APPEND mi_libraries ${LIBPTHREAD}) + find_library(MI_LIBPTHREAD pthread) + if (MI_LIBPTHREAD) + list(APPEND mi_libraries ${MI_LIBPTHREAD}) endif() - find_library(LIBRT rt) - if(LIBRT) - list(APPEND mi_libraries ${LIBRT}) + find_library(MI_LIBRT rt) + if(MI_LIBRT) + list(APPEND mi_libraries ${MI_LIBRT}) endif() endif() @@ -228,9 +228,11 @@ endif() # Install and output names # ----------------------------------------------------------------------------- -set(mi_install_libdir "${CMAKE_INSTALL_LIBDIR}") # for dynamic/shared library and symlinks +# dynamic/shared library and symlinks always go to /usr/local/lib equivalent +set(mi_install_libdir "${CMAKE_INSTALL_LIBDIR}") -# install at top level or use versioned directories for side-by-side installation? +# static libraries and object files, includes, and cmake config files +# are either installed at top level, or use versioned directories for side-by-side installation (default) if (MI_INSTALL_TOPLEVEL) set(mi_install_objdir "${CMAKE_INSTALL_LIBDIR}") set(mi_install_incdir "${CMAKE_INSTALL_INCLUDEDIR}") From 144b4a2d3e1535634b5e8a5d12fa9e64e44dadbd Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 15 Dec 2021 08:42:58 -0800 Subject: [PATCH 022/131] link with libatomic automatically if found --- CMakeLists.txt | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 48ecd3156..6b2e9b830 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -218,10 +218,10 @@ else() if(MI_LIBRT) list(APPEND mi_libraries ${MI_LIBRT}) endif() -endif() - -if (MI_USE_LIBATOMIC) - list(APPEND mi_libraries atomic) + find_library(MI_LIBATOMIC atomic) + if (MI_LIBATOMIC OR MI_USE_LIBATOMIC) + list(APPEND mi_libraries atomic) + endif() endif() # ----------------------------------------------------------------------------- From ee3ae2a425c900cb3e2c7a71740c8657cdd109b0 Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 15 Dec 2021 08:53:55 -0800 Subject: [PATCH 023/131] add deprecated notice --- CMakeLists.txt | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/CMakeLists.txt b/CMakeLists.txt index 6b2e9b830..4d52a72dd 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -21,9 +21,11 @@ option(MI_BUILD_OBJECT "Build object library" ON) option(MI_BUILD_TESTS "Build test executables" ON) option(MI_DEBUG_TSAN "Build with thread sanitizer (needs clang)" OFF) option(MI_DEBUG_UBSAN "Build with undefined-behavior sanitizer (needs clang++)" OFF) + +# deprecated options option(MI_CHECK_FULL "Use full internal invariant checking in DEBUG mode (deprecated, use MI_DEBUG_FULL instead)" OFF) -option(MI_INSTALL_TOPLEVEL "Install directly into $CMAKE_INSTALL_PREFIX instead of PREFIX/lib/mimalloc-version" OFF) -option(MI_USE_LIBATOMIC "Explicitly link with -latomic (on older systems)" OFF) +option(MI_INSTALL_TOPLEVEL "Install directly into $CMAKE_INSTALL_PREFIX instead of PREFIX/lib/mimalloc-version (deprecated)" OFF) +option(MI_USE_LIBATOMIC "Explicitly link with -latomic (on older systems) (deprecated and detected automatically)" OFF) include(GNUInstallDirs) include("cmake/mimalloc-config-version.cmake") From 523e6d5c9b251bc8d969a685b2b6feda6fd1f8ab Mon Sep 17 00:00:00 2001 From: Daan Date: Wed, 15 Dec 2021 16:05:07 -0800 Subject: [PATCH 024/131] fix thread slot on arm32 (issue #495) --- include/mimalloc-internal.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index 4713a75ee..324ad4a31 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -766,8 +766,8 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept { } static inline mi_threadid_t _mi_thread_id(void) mi_attr_noexcept { -#if defined(__BIONIC__) && (defined(__arm__) || defined(__aarch64__)) - // on Android, slot 1 is the thread ID (pointer to pthread internal struct) +#if defined(__arm__) || (defined(__BIONIC__) && defined(__aarch64__)) + // issue #384, #495: on arm32 and arm32/arm64 Android, slot 1 is the thread ID (pointer to pthread internal struct) return (uintptr_t)mi_tls_slot(1); #else // in all our other targets, slot 0 is the pointer to the thread control block From 9fbf83c4332da1cd1b788a7592d0f80ca52c6b1b Mon Sep 17 00:00:00 2001 From: Daan Date: Wed, 15 Dec 2021 16:32:26 -0800 Subject: [PATCH 025/131] fix reallocarr indirection (see #492) --- src/alloc-posix.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/src/alloc-posix.c b/src/alloc-posix.c index 6627d2b79..2eaede079 100644 --- a/src/alloc-posix.c +++ b/src/alloc-posix.c @@ -92,27 +92,23 @@ mi_decl_restrict void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_n void* mi_reallocarray( void* p, size_t count, size_t size ) mi_attr_noexcept { // BSD void* newp = mi_reallocn(p,count,size); - if (newp==NULL) errno = ENOMEM; + if (newp==NULL) { errno = ENOMEM; } return newp; } int mi_reallocarr( void* p, size_t count, size_t size ) mi_attr_noexcept { // NetBSD - void** op = (void** )p; - int serrno = errno; - void* newp = mi_reallocn(p,count,size); - if (mi_unlikely(newp == NULL)) { - errno = ENOMEM; - return errno; - } else { - *op = newp; - errno = serrno; - return 0; - } + mi_assert(p != NULL); + if (p == NULL) return EINVAL; // should we set errno as well? + void** op = (void**)p; + void* newp = mi_reallocarray(*op, count, size); + if (mi_unlikely(newp == NULL)) return errno; + *op = newp; + return 0; } void* mi__expand(void* p, size_t newsize) mi_attr_noexcept { // Microsoft void* res = mi_expand(p, newsize); - if (res == NULL) errno = ENOMEM; + if (res == NULL) { errno = ENOMEM; } return res; } From a8b5106ce21bd8ac957249c5a67f80b6eee52187 Mon Sep 17 00:00:00 2001 From: Daan Date: Wed, 15 Dec 2021 16:33:49 -0800 Subject: [PATCH 026/131] fix address dereference in mi_reallocarr override --- src/alloc-override.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/alloc-override.c b/src/alloc-override.c index eab202aaf..6bbe4aac7 100644 --- a/src/alloc-override.c +++ b/src/alloc-override.c @@ -245,7 +245,7 @@ extern "C" { void cfree(void* p) { mi_free(p); } void* pvalloc(size_t size) { return mi_pvalloc(size); } void* reallocarray(void* p, size_t count, size_t size) { return mi_reallocarray(p, count, size); } -int reallocarr(void* p, size_t count, size_t size) { return mi_reallocarr(&p, count, size); } +int reallocarr(void* p, size_t count, size_t size) { return mi_reallocarr(p, count, size); } void* memalign(size_t alignment, size_t size) { return mi_memalign(alignment, size); } void* _aligned_malloc(size_t alignment, size_t size) { return mi_aligned_alloc(alignment, size); } From 317093d78b9dea347ceeaf15775c74e78e0e5fc7 Mon Sep 17 00:00:00 2001 From: Daan Date: Wed, 15 Dec 2021 16:48:57 -0800 Subject: [PATCH 027/131] fix Android overriding (issue #381 and PR #487) --- include/mimalloc-internal.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index 324ad4a31..b8fc754fe 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -317,6 +317,9 @@ mi_heap_t* _mi_heap_main_get(void); // statically allocated main backing hea #elif defined(__DragonFly__) #warning "mimalloc is not working correctly on DragonFly yet." //#define MI_TLS_PTHREAD_SLOT_OFS (4 + 1*sizeof(void*)) // offset `uniqueid` (also used by gdb?) +#elif defined(__ANDROID__) +// See issue #381 +#define MI_TLS_PTHREAD #endif #endif @@ -766,7 +769,7 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept { } static inline mi_threadid_t _mi_thread_id(void) mi_attr_noexcept { -#if defined(__arm__) || (defined(__BIONIC__) && defined(__aarch64__)) +#if defined(__arm__) || (defined(__ANDROID__) && defined(__aarch64__)) // issue #384, #495: on arm32 and arm32/arm64 Android, slot 1 is the thread ID (pointer to pthread internal struct) return (uintptr_t)mi_tls_slot(1); #else From 0e851de2babfc32cfe85963f75c20f17dba6f4c5 Mon Sep 17 00:00:00 2001 From: Daan Date: Wed, 15 Dec 2021 17:06:09 -0800 Subject: [PATCH 028/131] shorten comments for pr #390 --- src/random.c | 38 +++++++++++++------------------------- 1 file changed, 13 insertions(+), 25 deletions(-) diff --git a/src/random.c b/src/random.c index ff1ecced8..e47946a69 100644 --- a/src/random.c +++ b/src/random.c @@ -160,7 +160,7 @@ uintptr_t _mi_random_next(mi_random_ctx_t* ctx) { /* ---------------------------------------------------------------------------- To initialize a fresh random context we rely on the OS: - Windows : BCryptGenRandom (or RtlGenRandom) -- macOS : CCRandomGenerateBytes +- macOS : CCRandomGenerateBytes, arc4random_buf - bsd,wasi : arc4random_buf - Linux : getrandom,/dev/urandom If we cannot get good randomness, we fall back to weak randomness based on a timer and ASLR. @@ -194,34 +194,22 @@ static bool os_random_buf(void* buf, size_t buf_len) { #elif defined(__APPLE__) #include -#if defined(MAC_OS_X_VERSION_10_10) && \ - MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_10 +#if defined(MAC_OS_X_VERSION_10_10) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_10 #include #endif static bool os_random_buf(void* buf, size_t buf_len) { - /* The implementation of arc4random_buf(3) differs from its documentation. - * It is documented as "always successful, and no return value is reserved - * to indicate an error." However, the actual implementation invokes the - * function "ccrng_generate" without validating the error cases. It might - * fail silently, which leads to unexpected source of entropy. - * See: - * https://opensource.apple.com/source/Libc/Libc-1439.40.11/gen/FreeBSD/arc4random.c.auto.html - * - * CCRandomGenerateBytes(), on the contrary, returns cryptographically strong - * random bits with explicit status code. - */ -#if defined(MAC_OS_X_VERSION_10_15) && \ - MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_15 - return CCRandomGenerateBytes(buf, buf_len) == kCCSuccess; -#else - /* Prior to macOS 10.15, CCRandomGenerateBytes() might take a bit longer time - * to complete, so failback to arc4random_buf(). - */ - arc4random_buf(buf, buf_len); - return true; -#endif + #if defined(MAC_OS_X_VERSION_10_15) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_15 + // We prefere CCRandomGenerateBytes as it returns an error code while arc4random_buf + // may fail silently on macOS. See PR #390, and + return (CCRandomGenerateBytes(buf, buf_len) == kCCSuccess); + #else + // fall back on older macOS + arc4random_buf(buf, buf_len); + return true; + #endif } -#elif defined(ANDROID) || defined(__DragonFly__) || \ + +#elif defined(__ANDROID__) || defined(__DragonFly__) || \ defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || \ defined(__sun) // todo: what to use with __wasi__? #include From 8612d1228a76c306898e784fe0a1829ab67d4cd2 Mon Sep 17 00:00:00 2001 From: Daan Date: Wed, 15 Dec 2021 18:04:02 -0800 Subject: [PATCH 029/131] wip: initial fix for race condition on sbrk/wasm_memory_grow; issue #497 --- src/os.c | 85 +++++++++++++++++++++++++++++++++++--------------------- 1 file changed, 54 insertions(+), 31 deletions(-) diff --git a/src/os.c b/src/os.c index 603ec04a1..dc2afc78b 100644 --- a/src/os.c +++ b/src/os.c @@ -375,42 +375,69 @@ static void* mi_win_virtual_alloc(void* addr, size_t size, size_t try_alignment, return p; } -#elif defined(MI_USE_SBRK) +#elif defined(MI_USE_SBRK) || defined(__wasi__) + +#if defined(MI_USE_SBRK) #define MI_SBRK_FAIL ((void*)(-1)) -static void* mi_sbrk_heap_grow(size_t size, size_t try_alignment) { - void* pbase0 = sbrk(0); - if (pbase0 == MI_SBRK_FAIL) { +static void* mi_memory_grow( size_t size ) { + void* p = sbrk(size); + if (p == MI_SBRK_FAIL) { _mi_warning_message("unable to allocate sbrk() OS memory (%zu bytes)\n", size); errno = ENOMEM; return NULL; } - uintptr_t base = (uintptr_t)pbase0; - uintptr_t aligned_base = _mi_align_up(base, (uintptr_t) try_alignment); - size_t alloc_size = _mi_align_up( aligned_base - base + size, _mi_os_page_size()); - mi_assert(alloc_size >= size && (alloc_size % _mi_os_page_size()) == 0); - if (alloc_size < size) return NULL; - void* pbase1 = sbrk(alloc_size); - if (pbase1 == MI_SBRK_FAIL) { - _mi_warning_message("unable to allocate sbrk() OS memory (%zu bytes, %zu requested)\n", size, alloc_size); - errno = ENOMEM; - return NULL; + return p; +} +#elif defined(__wasi__) +static void* mi_memory_grow( size_t size ) { + if (size > 0) { + size_t base = __builtin_wasm_memory_grow( 0, _mi_divide_up(size, _mi_os_page_size()) ); + if (base == SIZE_MAX) { + _mi_warning_message("unable to allocate wasm_memory_grow OS memory (%zu bytes)\n", size); + errno = ENOMEM; + return NULL; + } + return (void*)(base * _mi_os_page_size()); + } + else { + size_t base = __builtin_wasm_memory_size(0); + if (base == SIZE_MAX) { + errno = ENOMEM; + return NULL; + } + return (void*)(base * _mi_os_page_size()); } - mi_assert(pbase0 == pbase1); - return (void*)aligned_base; } +#endif -#elif defined(__wasi__) - // currently unused as we use sbrk() on wasm -static void* mi_wasm_heap_grow(size_t size, size_t try_alignment) { - uintptr_t base = __builtin_wasm_memory_size(0) * _mi_os_page_size(); - uintptr_t aligned_base = _mi_align_up(base, (uintptr_t) try_alignment); +static void* mi_heap_grow(size_t size, size_t try_alignment) { + if (try_alignment == 0) { try_alignment = _mi_os_page_size(); }; + void* pbase0 = mi_memory_grow(0); + if (pbase0 == NULL) { return NULL; } + uintptr_t base = (uintptr_t)pbase0; + uintptr_t aligned_base = _mi_align_up(base, try_alignment); size_t alloc_size = _mi_align_up( aligned_base - base + size, _mi_os_page_size()); mi_assert(alloc_size >= size && (alloc_size % _mi_os_page_size()) == 0); if (alloc_size < size) return NULL; - if (__builtin_wasm_memory_grow(0, alloc_size / _mi_os_page_size()) == SIZE_MAX) { - _mi_warning_message("unable to allocate wasm_memory_grow() OS memory (%zu bytes, %zu requested)\n", size, alloc_size); - errno = ENOMEM; - return NULL; + void* pbase1 = mi_memory_grow(alloc_size); + if (pbase1 == NULL) { return NULL; } + if (pbase0 != pbase1) { + // another thread allocated in-between; now we may not be able to align correctly + base = (uintptr_t)pbase1; + aligned_base = _mi_align_up(base, try_alignment); + if (aligned_base + size > base + alloc_size) { + // we do not have enough space after alignment; since we cannot shrink safely, + // we waste the space :-( and allocate fresh with guaranteed enough overallocation + alloc_size = _mi_align_up( size + try_alignment, _mi_os_page_size() ); + errno = 0; + void* pbase2 = mi_memory_grow( alloc_size ); + if (pbase2 == NULL) { return NULL; } + aligned_base = _mi_align_up(base, try_alignment); + mi_assert_internal(aligned_base + size <= (uintptr_t)pbase2 + alloc_size); + } + } + else { + mi_assert_internal(aligned_base + size <= (uintptr_t)pbase1 + alloc_size); } return (void*)aligned_base; } @@ -637,14 +664,10 @@ static void* mi_os_mem_alloc(size_t size, size_t try_alignment, bool commit, boo int flags = MEM_RESERVE; if (commit) flags |= MEM_COMMIT; p = mi_win_virtual_alloc(NULL, size, try_alignment, flags, false, allow_large, is_large); - #elif defined(MI_USE_SBRK) - MI_UNUSED(allow_large); - *is_large = false; - p = mi_sbrk_heap_grow(size, try_alignment); - #elif defined(__wasi__) + #elif defined(MI_USE_SBRK) || defined(__wasi__) MI_UNUSED(allow_large); *is_large = false; - p = mi_wasm_heap_grow(size, try_alignment); + p = mi_heap_grow(size, try_alignment); #else int protect_flags = (commit ? (PROT_WRITE | PROT_READ) : PROT_NONE); p = mi_unix_mmap(NULL, size, try_alignment, protect_flags, false, allow_large, is_large); From 82a0e56f35fcd30be09343f924a57714b2eb4744 Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 15 Dec 2021 18:54:57 -0800 Subject: [PATCH 030/131] fix warning on mi_reallocarr --- include/mimalloc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/mimalloc.h b/include/mimalloc.h index 87d0e7d29..9c3e2deaf 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -356,7 +356,7 @@ mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_pvalloc(size_t size) mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(2) mi_attr_alloc_align(1); mi_decl_nodiscard mi_decl_export void* mi_reallocarray(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3); -mi_decl_nodiscard mi_decl_export int mi_reallocarr(void* p, size_t count, size_t size) mi_attr_noexcept mi_attr_alloc_size2(2,3); +mi_decl_nodiscard mi_decl_export int mi_reallocarr(void* p, size_t count, size_t size) mi_attr_noexcept; mi_decl_nodiscard mi_decl_export void* mi_aligned_recalloc(void* p, size_t newcount, size_t size, size_t alignment) mi_attr_noexcept; mi_decl_nodiscard mi_decl_export void* mi_aligned_offset_recalloc(void* p, size_t newcount, size_t size, size_t alignment, size_t offset) mi_attr_noexcept; From 55ccc947077ac4cfee808d17463253cfcbd0856b Mon Sep 17 00:00:00 2001 From: daan Date: Wed, 15 Dec 2021 19:28:34 -0800 Subject: [PATCH 031/131] wip: fix zero init for sbrk; add lock around sbrk --- include/mimalloc-internal.h | 7 +++- src/init.c | 7 ---- src/os.c | 73 +++++++++++++++++++++---------------- 3 files changed, 47 insertions(+), 40 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index 44631f8b7..682395731 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -42,6 +42,11 @@ terms of the MIT license. A copy of the license can be found in the file #define mi_decl_externc #endif +#if !defined(_WIN32) && !defined(__wasi__) +#define MI_USE_PTHREADS +#include +#endif + // "options.c" void _mi_fputs(mi_output_fun* out, void* arg, const char* prefix, const char* message); void _mi_fprintf(mi_output_fun* out, void* arg, const char* fmt, ...); @@ -326,7 +331,6 @@ mi_heap_t* _mi_heap_main_get(void); // statically allocated main backing hea #if defined(MI_TLS_SLOT) static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept; // forward declaration #elif defined(MI_TLS_PTHREAD_SLOT_OFS) -#include static inline mi_heap_t** mi_tls_pthread_heap_slot(void) { pthread_t self = pthread_self(); #if defined(__DragonFly__) @@ -338,7 +342,6 @@ static inline mi_heap_t** mi_tls_pthread_heap_slot(void) { return (mi_heap_t**)((uint8_t*)self + MI_TLS_PTHREAD_SLOT_OFS); } #elif defined(MI_TLS_PTHREAD) -#include extern pthread_key_t _mi_heap_default_key; #endif diff --git a/src/init.c b/src/init.c index f26190002..e06fa6b92 100644 --- a/src/init.c +++ b/src/init.c @@ -275,12 +275,6 @@ static bool _mi_heap_done(mi_heap_t* heap) { static void _mi_thread_done(mi_heap_t* default_heap); -#ifdef __wasi__ -// no pthreads in the WebAssembly Standard Interface -#elif !defined(_WIN32) -#define MI_USE_PTHREADS -#endif - #if defined(_WIN32) && defined(MI_SHARED_LIB) // nothing to do as it is done in DllMain #elif defined(_WIN32) && !defined(MI_SHARED_LIB) @@ -300,7 +294,6 @@ static void _mi_thread_done(mi_heap_t* default_heap); #elif defined(MI_USE_PTHREADS) // use pthread local storage keys to detect thread ending // (and used with MI_TLS_PTHREADS for the default heap) - #include pthread_key_t _mi_heap_default_key = (pthread_key_t)(-1); static void mi_pthread_done(void* value) { if (value!=NULL) _mi_thread_done((mi_heap_t*)value); diff --git a/src/os.c b/src/os.c index dc2afc78b..afa94a1cd 100644 --- a/src/os.c +++ b/src/os.c @@ -231,7 +231,7 @@ void _mi_os_init(void) #elif defined(__wasi__) void _mi_os_init() { os_overcommit = false; - os_page_size = 0x10000; // WebAssembly has a fixed page size: 64KiB + os_page_size = 64*MI_KiB; // WebAssembly has a fixed page size: 64KiB os_alloc_granularity = 16; } @@ -283,7 +283,7 @@ static bool mi_os_mem_free(void* addr, size_t size, bool was_committed, mi_stats bool err = false; #if defined(_WIN32) err = (VirtualFree(addr, 0, MEM_RELEASE) == 0); -#elif defined(MI_USE_SBRK) +#elif defined(MI_USE_SBRK) || defined(__wasi__) err = 0; // sbrk heap cannot be shrunk #else err = (munmap(addr, size) == -1); @@ -376,38 +376,47 @@ static void* mi_win_virtual_alloc(void* addr, size_t size, size_t try_alignment, } #elif defined(MI_USE_SBRK) || defined(__wasi__) - #if defined(MI_USE_SBRK) -#define MI_SBRK_FAIL ((void*)(-1)) -static void* mi_memory_grow( size_t size ) { - void* p = sbrk(size); - if (p == MI_SBRK_FAIL) { - _mi_warning_message("unable to allocate sbrk() OS memory (%zu bytes)\n", size); - errno = ENOMEM; - return NULL; +// unfortunately sbrk is usually not safe to call from multiple threads +#if defined(MI_USE_PTHREADS) + static pthread_mutex_t mi_sbrk_mutex = PTHREAD_MUTEX_INITIALIZER; + static void* mi_sbrk(size_t size) { + pthread_mutex_lock(&mi_sbrk_mutex); + void* p = sbrk(size); + pthread_mutex_unlock(&mi_sbrk_mutex); + return p; } - return p; -} -#elif defined(__wasi__) -static void* mi_memory_grow( size_t size ) { - if (size > 0) { - size_t base = __builtin_wasm_memory_grow( 0, _mi_divide_up(size, _mi_os_page_size()) ); - if (base == SIZE_MAX) { - _mi_warning_message("unable to allocate wasm_memory_grow OS memory (%zu bytes)\n", size); + #else + static void* mi_sbrk(size_t size) { + return sbrk(size); + } + #endif + static void* mi_memory_grow( size_t size ) { + void* p = mi_sbrk(size); + if (p == (void*)(-1)) { + _mi_warning_message("unable to allocate sbrk() OS memory (%zu bytes)\n", size); errno = ENOMEM; return NULL; } - return (void*)(base * _mi_os_page_size()); + if (size > 0) { memset(p,0,size); } + return p; } - else { - size_t base = __builtin_wasm_memory_size(0); +#elif defined(__wasi__) + static void* mi_memory_grow( size_t size ) { + size_t base; + if (size > 0) { + base = __builtin_wasm_memory_grow( 0, _mi_divide_up(size, _mi_os_page_size()) ); + } + else { + base = __builtin_wasm_memory_size(0); + } if (base == SIZE_MAX) { - errno = ENOMEM; - return NULL; + _mi_warning_message("unable to allocate wasm_memory_grow OS memory (%zu bytes)\n", size); + errno = ENOMEM; + return NULL; } - return (void*)(base * _mi_os_page_size()); + return (void*)(base * _mi_os_page_size()); } -} #endif static void* mi_heap_grow(size_t size, size_t try_alignment) { @@ -432,17 +441,19 @@ static void* mi_heap_grow(size_t size, size_t try_alignment) { errno = 0; void* pbase2 = mi_memory_grow( alloc_size ); if (pbase2 == NULL) { return NULL; } + base = (uintptr_t)pbase2; aligned_base = _mi_align_up(base, try_alignment); - mi_assert_internal(aligned_base + size <= (uintptr_t)pbase2 + alloc_size); } - } - else { - mi_assert_internal(aligned_base + size <= (uintptr_t)pbase1 + alloc_size); - } + else { + // it still fits + mi_assert_internal(aligned_base + size <= base + alloc_size); + } + } + mi_assert_internal(aligned_base + size <= base + alloc_size); return (void*)aligned_base; } -#else +#else #define MI_OS_USE_MMAP static void* mi_unix_mmapx(void* addr, size_t size, size_t try_alignment, int protect_flags, int flags, int fd) { MI_UNUSED(try_alignment); From b0a866685da1ee1ff3da400a880768d1c7774828 Mon Sep 17 00:00:00 2001 From: daan Date: Thu, 16 Dec 2021 14:54:10 -0800 Subject: [PATCH 032/131] improve sbrk/wasm_memory_grow implementation --- src/os.c | 157 +++++++++++++++++++++++++++++-------------------------- 1 file changed, 84 insertions(+), 73 deletions(-) diff --git a/src/os.c b/src/os.c index afa94a1cd..45182f646 100644 --- a/src/os.c +++ b/src/os.c @@ -88,6 +88,7 @@ static void* mi_align_down_ptr(void* p, size_t alignment) { return (void*)_mi_align_down((uintptr_t)p, alignment); } + // page size (initialized properly in `os_init`) static size_t os_page_size = 4096; @@ -274,8 +275,8 @@ void _mi_os_init() { /* ----------------------------------------------------------- - Raw allocation on Windows (VirtualAlloc) and Unix's (mmap). ------------------------------------------------------------ */ + free memory +-------------------------------------------------------------- */ static bool mi_os_mem_free(void* addr, size_t size, bool was_committed, mi_stats_t* stats) { @@ -303,6 +304,10 @@ static bool mi_os_mem_free(void* addr, size_t size, bool was_committed, mi_stats static void* mi_os_get_aligned_hint(size_t try_alignment, size_t size); #endif +/* ----------------------------------------------------------- + Raw allocation on Windows (VirtualAlloc) +-------------------------------------------------------------- */ + #ifdef _WIN32 static void* mi_win_virtual_allocx(void* addr, size_t size, size_t try_alignment, DWORD flags) { #if (MI_INTPTR_SIZE >= 8) @@ -326,7 +331,7 @@ static void* mi_win_virtual_allocx(void* addr, size_t size, size_t try_alignment #endif #if defined(MEM_EXTENDED_PARAMETER_TYPE_BITS) // on modern Windows try use VirtualAlloc2 for aligned allocation - if (try_alignment > 0 && (try_alignment % _mi_os_page_size()) == 0 && pVirtualAlloc2 != NULL) { + if (try_alignment > 1 && (try_alignment % _mi_os_page_size()) == 0 && pVirtualAlloc2 != NULL) { MEM_ADDRESS_REQUIREMENTS reqs = { 0, 0, 0 }; reqs.Alignment = try_alignment; MEM_EXTENDED_PARAMETER param = { {0, 0}, {0} }; @@ -375,90 +380,93 @@ static void* mi_win_virtual_alloc(void* addr, size_t size, size_t try_alignment, return p; } +/* ----------------------------------------------------------- + Raw allocation using `sbrk` or `wasm_memory_grow` +-------------------------------------------------------------- */ + #elif defined(MI_USE_SBRK) || defined(__wasi__) #if defined(MI_USE_SBRK) -// unfortunately sbrk is usually not safe to call from multiple threads -#if defined(MI_USE_PTHREADS) - static pthread_mutex_t mi_sbrk_mutex = PTHREAD_MUTEX_INITIALIZER; - static void* mi_sbrk(size_t size) { - pthread_mutex_lock(&mi_sbrk_mutex); - void* p = sbrk(size); - pthread_mutex_unlock(&mi_sbrk_mutex); - return p; - } - #else - static void* mi_sbrk(size_t size) { - return sbrk(size); - } - #endif static void* mi_memory_grow( size_t size ) { - void* p = mi_sbrk(size); - if (p == (void*)(-1)) { - _mi_warning_message("unable to allocate sbrk() OS memory (%zu bytes)\n", size); - errno = ENOMEM; - return NULL; - } - if (size > 0) { memset(p,0,size); } + void* p = sbrk(size); + if (p == (void*)(-1)) return NULL; + #if !defined(__wasi__) // on wasi this is always zero initialized already (?) + memset(p,0,size); + #endif return p; } #elif defined(__wasi__) static void* mi_memory_grow( size_t size ) { - size_t base; - if (size > 0) { - base = __builtin_wasm_memory_grow( 0, _mi_divide_up(size, _mi_os_page_size()) ); - } - else { - base = __builtin_wasm_memory_size(0); - } - if (base == SIZE_MAX) { - _mi_warning_message("unable to allocate wasm_memory_grow OS memory (%zu bytes)\n", size); - errno = ENOMEM; - return NULL; - } + size_t base = (size > 0 ? __builtin_wasm_memory_grow(0,_mi_divide_up(size, _mi_os_page_size())) + : __builtin_wasm_memory_size(0)); + if (base == SIZE_MAX) return NULL; return (void*)(base * _mi_os_page_size()); } #endif +#if defined(MI_USE_PTHREADS) +static pthread_mutex_t mi_heap_grow_mutex = PTHREAD_MUTEX_INITIALIZER; +#endif + static void* mi_heap_grow(size_t size, size_t try_alignment) { - if (try_alignment == 0) { try_alignment = _mi_os_page_size(); }; - void* pbase0 = mi_memory_grow(0); - if (pbase0 == NULL) { return NULL; } - uintptr_t base = (uintptr_t)pbase0; - uintptr_t aligned_base = _mi_align_up(base, try_alignment); - size_t alloc_size = _mi_align_up( aligned_base - base + size, _mi_os_page_size()); - mi_assert(alloc_size >= size && (alloc_size % _mi_os_page_size()) == 0); - if (alloc_size < size) return NULL; - void* pbase1 = mi_memory_grow(alloc_size); - if (pbase1 == NULL) { return NULL; } - if (pbase0 != pbase1) { - // another thread allocated in-between; now we may not be able to align correctly - base = (uintptr_t)pbase1; - aligned_base = _mi_align_up(base, try_alignment); - if (aligned_base + size > base + alloc_size) { - // we do not have enough space after alignment; since we cannot shrink safely, - // we waste the space :-( and allocate fresh with guaranteed enough overallocation - alloc_size = _mi_align_up( size + try_alignment, _mi_os_page_size() ); - errno = 0; - void* pbase2 = mi_memory_grow( alloc_size ); - if (pbase2 == NULL) { return NULL; } - base = (uintptr_t)pbase2; - aligned_base = _mi_align_up(base, try_alignment); - } - else { - // it still fits - mi_assert_internal(aligned_base + size <= base + alloc_size); + void* p = NULL; + if (try_alignment <= 1) { + // `sbrk` is not thread safe in general so try to protect it (we could skip this on WASM but leave it in for now) + #if defined(MI_USE_PTHREADS) + pthread_mutex_lock(&mi_heap_grow_mutex); + #endif + p = mi_memory_grow(size); + #if defined(MI_USE_PTHREADS) + pthread_mutex_unlock(&mi_heap_grow_mutex); + #endif + } + else { + void* base = NULL; + size_t alloc_size = 0; + // to allocate aligned use a lock to try to avoid thread interaction + // between getting the current size and actual allocation + // (also, `sbrk` is not thread safe in general) + #if defined(MI_USE_PTHREADS) + pthread_mutex_lock(&mi_heap_grow_mutex); + #endif + { + void* current = mi_memory_grow(0); // get current size + if (current != NULL) { + void* aligned_current = mi_align_up_ptr(current, try_alignment); // and align from there to minimize wasted space + alloc_size = _mi_align_up( ((uint8_t*)aligned_current - (uint8_t*)current) + size, _mi_os_page_size()); + base = mi_memory_grow(alloc_size); + } } - } - mi_assert_internal(aligned_base + size <= base + alloc_size); - return (void*)aligned_base; + #if defined(MI_USE_PTHREADS) + pthread_mutex_unlock(&mi_heap_grow_mutex); + #endif + if (base != NULL) { + p = mi_align_up_ptr(base, try_alignment); + if ((uint8_t*)p + size > (uint8_t*)base + alloc_size) { + // another thread used wasm_memory_grow/sbrk in-between and we do not have enough + // space after alignment. Give up (and waste the space as we cannot shrink :-( ) + // (in `mi_os_mem_alloc_aligned` this will fall back to overallocation to align) + p = NULL; + } + } + } + if (p == NULL) { + _mi_warning_message("unable to allocate sbrk/wasm_memory_grow OS memory (%zu bytes, %zu alignment)\n", size, try_alignment); + errno = ENOMEM; + return NULL; + } + mi_assert_internal( try_alignment == 0 || (uintptr_t)p % try_alignment == 0 ); + return p; } +/* ----------------------------------------------------------- + Raw allocation on Unix's (mmap) +-------------------------------------------------------------- */ #else #define MI_OS_USE_MMAP static void* mi_unix_mmapx(void* addr, size_t size, size_t try_alignment, int protect_flags, int flags, int fd) { MI_UNUSED(try_alignment); #if defined(MAP_ALIGNED) // BSD - if (addr == NULL && try_alignment > 0 && (try_alignment % _mi_os_page_size()) == 0) { + if (addr == NULL && try_alignment > 1 && (try_alignment % _mi_os_page_size()) == 0) { size_t n = mi_bsr(try_alignment); if (((size_t)1 << n) == try_alignment && n >= 12 && n <= 30) { // alignment is a power of 2 and 4096 <= alignment <= 1GiB flags |= MAP_ALIGNED(n); @@ -468,7 +476,7 @@ static void* mi_unix_mmapx(void* addr, size_t size, size_t try_alignment, int pr } } #elif defined(MAP_ALIGN) // Solaris - if (addr == NULL && try_alignment > 0 && (try_alignment % _mi_os_page_size()) == 0) { + if (addr == NULL && try_alignment > 1 && (try_alignment % _mi_os_page_size()) == 0) { void* p = mmap(try_alignment, size, protect_flags, flags | MAP_ALIGN, fd, 0); if (p!=MAP_FAILED) return p; // fall back to regular mmap @@ -622,7 +630,7 @@ static mi_decl_cache_align _Atomic(uintptr_t) aligned_base; static void* mi_os_get_aligned_hint(size_t try_alignment, size_t size) { - if (try_alignment == 0 || try_alignment > MI_SEGMENT_SIZE) return NULL; + if (try_alignment <= 1 || try_alignment > MI_SEGMENT_SIZE) return NULL; size = _mi_align_up(size, MI_SEGMENT_SIZE); if (size > 1*MI_GiB) return NULL; // guarantee the chance of fixed valid address is at most 1/(MI_HINT_AREA / 1<<30) = 1/4096. #if (MI_SECURE>0) @@ -652,13 +660,16 @@ static void* mi_os_get_aligned_hint(size_t try_alignment, size_t size) { } #endif +/* ----------------------------------------------------------- + Primitive allocation from the OS. +-------------------------------------------------------------- */ -// Primitive allocation from the OS. // Note: the `try_alignment` is just a hint and the returned pointer is not guaranteed to be aligned. static void* mi_os_mem_alloc(size_t size, size_t try_alignment, bool commit, bool allow_large, bool* is_large, mi_stats_t* stats) { mi_assert_internal(size > 0 && (size % _mi_os_page_size()) == 0); if (size == 0) return NULL; if (!commit) allow_large = false; + if (try_alignment == 0) try_alignment = 1; // avoid 0 to ensure there will be no divide by zero when aligning void* p = NULL; /* @@ -746,9 +757,9 @@ static void* mi_os_mem_alloc_aligned(size_t size, size_t alignment, bool commit, } #else // overallocate... - p = mi_os_mem_alloc(over_size, alignment, commit, false, is_large, stats); + p = mi_os_mem_alloc(over_size, 1, commit, false, is_large, stats); if (p == NULL) return NULL; - // and selectively unmap parts around the over-allocated area. + // and selectively unmap parts around the over-allocated area. (noop on sbrk) void* aligned_p = mi_align_up_ptr(p, alignment); size_t pre_size = (uint8_t*)aligned_p - (uint8_t*)p; size_t mid_size = _mi_align_up(size, _mi_os_page_size()); @@ -756,7 +767,7 @@ static void* mi_os_mem_alloc_aligned(size_t size, size_t alignment, bool commit, mi_assert_internal(pre_size < over_size && post_size < over_size && mid_size >= size); if (pre_size > 0) mi_os_mem_free(p, pre_size, commit, stats); if (post_size > 0) mi_os_mem_free((uint8_t*)aligned_p + mid_size, post_size, commit, stats); - // we can return the aligned pointer on `mmap` systems + // we can return the aligned pointer on `mmap` (and sbrk) systems p = aligned_p; #endif } From 27e24e619b7ed3fbc20ab74060a10fc1e2f30bf7 Mon Sep 17 00:00:00 2001 From: daan Date: Thu, 16 Dec 2021 15:11:47 -0800 Subject: [PATCH 033/131] use wasm_memory_grow instead of sbrk on wasm --- src/os.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/src/os.c b/src/os.c index 45182f646..71b371d20 100644 --- a/src/os.c +++ b/src/os.c @@ -26,10 +26,6 @@ terms of the MIT license. A copy of the license can be found in the file #pragma warning(disable:4996) // strerror #endif -#if defined(__wasi__) -#define MI_USE_SBRK -#endif - #if defined(_WIN32) #include #elif defined(__wasi__) From 5bbb2ff416ec4d374d49f742dff610028ecd72e4 Mon Sep 17 00:00:00 2001 From: daan Date: Thu, 16 Dec 2021 15:34:52 -0800 Subject: [PATCH 034/131] reenable the use of sbrk on wasm as it seems more stable than direct memory_grow --- src/os.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/os.c b/src/os.c index 71b371d20..a799cdf12 100644 --- a/src/os.c +++ b/src/os.c @@ -8,6 +8,8 @@ terms of the MIT license. A copy of the license can be found in the file #define _DEFAULT_SOURCE // ensure mmap flags are defined #endif +#define MI_USE_SBRK + #if defined(__sun) // illumos provides new mman.h api when any of these are defined // otherwise the old api based on caddr_t which predates the void pointers one. @@ -26,6 +28,10 @@ terms of the MIT license. A copy of the license can be found in the file #pragma warning(disable:4996) // strerror #endif +#if defined(__wasi__) +#define MI_USE_SBRK +#endif + #if defined(_WIN32) #include #elif defined(__wasi__) From 60790e9013eb8fe594cf7b3916baeae2cf03b03c Mon Sep 17 00:00:00 2001 From: daan Date: Thu, 16 Dec 2021 15:35:53 -0800 Subject: [PATCH 035/131] remove accidental define --- src/os.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/src/os.c b/src/os.c index a799cdf12..45182f646 100644 --- a/src/os.c +++ b/src/os.c @@ -8,8 +8,6 @@ terms of the MIT license. A copy of the license can be found in the file #define _DEFAULT_SOURCE // ensure mmap flags are defined #endif -#define MI_USE_SBRK - #if defined(__sun) // illumos provides new mman.h api when any of these are defined // otherwise the old api based on caddr_t which predates the void pointers one. From 684c2c82a795f527cff015ab1c6a32e8680cb165 Mon Sep 17 00:00:00 2001 From: daan Date: Fri, 17 Dec 2021 11:40:46 -0800 Subject: [PATCH 036/131] restrict max aligment boundary to prevent bug with segment determination (found by Matthew Parkinson). --- include/mimalloc-types.h | 5 ++++- include/mimalloc.h | 1 + src/alloc-aligned.c | 1 + 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/mimalloc-types.h b/include/mimalloc-types.h index c9f399df4..d45a1eea5 100644 --- a/include/mimalloc-types.h +++ b/include/mimalloc-types.h @@ -158,7 +158,10 @@ typedef int32_t mi_ssize_t; #define MI_BIN_HUGE (73U) #if (MI_LARGE_OBJ_WSIZE_MAX >= 655360) -#error "define more bins" +#error "mimalloc internal: define more bins" +#endif +#if (MI_ALIGNED_MAX > MI_SEGMENT_SIZE/2) +#error "mimalloc internal: the max aligned boundary is too large for the segment size" #endif // Used as a special value to encode block sizes in 32 bits. diff --git a/include/mimalloc.h b/include/mimalloc.h index 9c3e2deaf..b65027d31 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -166,6 +166,7 @@ mi_decl_export void mi_process_info(size_t* elapsed_msecs, size_t* user_msecs, s // Note that `alignment` always follows `size` for consistency with unaligned // allocation, but unfortunately this differs from `posix_memalign` and `aligned_alloc`. // ------------------------------------------------------------------------------------- +#define MI_ALIGNED_MAX (1024*1024UL) // maximum supported alignment is 1MiB mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc_aligned(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1) mi_attr_alloc_align(2); mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc_aligned_at(size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1); diff --git a/src/alloc-aligned.c b/src/alloc-aligned.c index 724c0a1bf..150623891 100644 --- a/src/alloc-aligned.c +++ b/src/alloc-aligned.c @@ -20,6 +20,7 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t mi_assert(alignment > 0); if (mi_unlikely(size > PTRDIFF_MAX)) return NULL; // we don't allocate more than PTRDIFF_MAX (see ) if (mi_unlikely(alignment==0 || !_mi_is_power_of_two(alignment))) return NULL; // require power-of-two (see ) + if (mi_unlikely(alignment>MI_ALIGNED_MAX)) return NULL; // we cannot align at a boundary larger than this (or otherwise we cannot find segment headers) const uintptr_t align_mask = alignment-1; // for any x, `(x & align_mask) == (x % alignment)` // try if there is a small block available with just the right alignment From 89f583a69b86a06966fb07b4794b4046faa01fee Mon Sep 17 00:00:00 2001 From: daan Date: Fri, 17 Dec 2021 13:18:05 -0800 Subject: [PATCH 037/131] improve aligned allocation performance --- include/mimalloc-internal.h | 5 -- src/alloc-aligned.c | 111 +++++++++++++++++++++++++++--------- src/alloc-posix.c | 19 +++--- test/main-override-static.c | 2 +- test/test-api.c | 14 ++++- 5 files changed, 108 insertions(+), 43 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index 682395731..1df8b5dec 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -247,11 +247,6 @@ static inline size_t _mi_wsize_from_size(size_t size) { return (size + sizeof(uintptr_t) - 1) / sizeof(uintptr_t); } -// Does malloc satisfy the alignment constraints already? -static inline bool mi_malloc_satisfies_alignment(size_t alignment, size_t size) { - return (alignment == sizeof(void*) || (alignment == MI_MAX_ALIGN_SIZE && size > (MI_MAX_ALIGN_SIZE/2))); -} - // Overflow detecting multiply #if __has_builtin(__builtin_umul_overflow) || (defined(__GNUC__) && (__GNUC__ >= 5)) #include // UINT_MAX, ULONG_MAX diff --git a/src/alloc-aligned.c b/src/alloc-aligned.c index 150623891..12706f7f2 100644 --- a/src/alloc-aligned.c +++ b/src/alloc-aligned.c @@ -14,32 +14,14 @@ terms of the MIT license. A copy of the license can be found in the file // Aligned Allocation // ------------------------------------------------------ -static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t size, const size_t alignment, const size_t offset, const bool zero) mi_attr_noexcept { - // note: we don't require `size > offset`, we just guarantee that - // the address at offset is aligned regardless of the allocated size. - mi_assert(alignment > 0); - if (mi_unlikely(size > PTRDIFF_MAX)) return NULL; // we don't allocate more than PTRDIFF_MAX (see ) - if (mi_unlikely(alignment==0 || !_mi_is_power_of_two(alignment))) return NULL; // require power-of-two (see ) - if (mi_unlikely(alignment>MI_ALIGNED_MAX)) return NULL; // we cannot align at a boundary larger than this (or otherwise we cannot find segment headers) +// Fallback primitive aligned allocation -- split out for better codegen +static mi_decl_noinline void* mi_heap_malloc_zero_aligned_at_fallback(mi_heap_t* const heap, const size_t size, const size_t alignment, const size_t offset, const bool zero) mi_attr_noexcept +{ + mi_assert_internal(size <= PTRDIFF_MAX); + mi_assert_internal(alignment!=0 && _mi_is_power_of_two(alignment) && alignment <= MI_ALIGNED_MAX); + const uintptr_t align_mask = alignment-1; // for any x, `(x & align_mask) == (x % alignment)` - - // try if there is a small block available with just the right alignment const size_t padsize = size + MI_PADDING_SIZE; - if (mi_likely(padsize <= MI_SMALL_SIZE_MAX)) { - mi_page_t* page = _mi_heap_get_free_small_page(heap,padsize); - const bool is_aligned = (((uintptr_t)page->free+offset) & align_mask)==0; - if (mi_likely(page->free != NULL && is_aligned)) - { - #if MI_STAT>1 - mi_heap_stat_increase( heap, malloc, size); - #endif - void* p = _mi_page_malloc(heap,page,padsize); // TODO: inline _mi_page_malloc - mi_assert_internal(p != NULL); - mi_assert_internal(((uintptr_t)p + offset) % alignment == 0); - if (zero) _mi_block_zero_init(page,p,size); - return p; - } - } // use regular allocation if it is guaranteed to fit the alignment constraints if (offset==0 && alignment<=padsize && padsize<=MI_MEDIUM_OBJ_SIZE_MAX && (padsize&align_mask)==0) { @@ -47,7 +29,7 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t mi_assert_internal(p == NULL || ((uintptr_t)p % alignment) == 0); return p; } - + // otherwise over-allocate void* p = _mi_heap_malloc_zero(heap, size + alignment - 1, zero); if (p == NULL) return NULL; @@ -56,21 +38,90 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t uintptr_t adjust = alignment - (((uintptr_t)p + offset) & align_mask); mi_assert_internal(adjust <= alignment); void* aligned_p = (adjust == alignment ? p : (void*)((uintptr_t)p + adjust)); - if (aligned_p != p) mi_page_set_has_aligned(_mi_ptr_page(p), true); + if (aligned_p != p) mi_page_set_has_aligned(_mi_ptr_page(p), true); mi_assert_internal(((uintptr_t)aligned_p + offset) % alignment == 0); - mi_assert_internal( p == _mi_page_ptr_unalign(_mi_ptr_segment(aligned_p),_mi_ptr_page(aligned_p),aligned_p) ); + mi_assert_internal(p == _mi_page_ptr_unalign(_mi_ptr_segment(aligned_p), _mi_ptr_page(aligned_p), aligned_p)); return aligned_p; } +// Primitive aligned allocation +static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t size, const size_t alignment, const size_t offset, const bool zero) mi_attr_noexcept +{ + // note: we don't require `size > offset`, we just guarantee that the address at offset is aligned regardless of the allocated size. + mi_assert(alignment > 0); + if (mi_unlikely(alignment==0 || !_mi_is_power_of_two(alignment))) { // require power-of-two (see ) + #if MI_DEBUG > 0 + _mi_error_message(EOVERFLOW, "aligned allocation requires the alignment to be a power-of-two (size %zu, alignment %zu)", size, alignment); + #endif + return NULL; + } + if (mi_unlikely(alignment > MI_ALIGNED_MAX)) { // we cannot align at a boundary larger than this (or otherwise we cannot find segment headers) + #if MI_DEBUG > 0 + _mi_error_message(EOVERFLOW, "aligned allocation has a maximum alignment of %zu (size %zu, alignment %zu)", MI_ALIGNED_MAX, size, alignment); + #endif + return NULL; + } + if (mi_unlikely(size > PTRDIFF_MAX)) { // we don't allocate more than PTRDIFF_MAX (see ) + #if MI_DEBUG > 0 + _mi_error_message(EOVERFLOW, "aligned allocation request is too large (size %zu, alignment %zu)", size, alignment); + #endif + return NULL; + } + const uintptr_t align_mask = alignment-1; // for any x, `(x & align_mask) == (x % alignment)` + const size_t padsize = size + MI_PADDING_SIZE; // note: cannot overflow due to earlier size > PTRDIFF_MAX check + + // try first if there happens to be a small block available with just the right alignment + if (mi_likely(padsize <= MI_SMALL_SIZE_MAX)) { + mi_page_t* page = _mi_heap_get_free_small_page(heap, padsize); + const bool is_aligned = (((uintptr_t)page->free+offset) & align_mask)==0; + if (mi_likely(page->free != NULL && is_aligned)) + { + #if MI_STAT>1 + mi_heap_stat_increase(heap, malloc, size); + #endif + void* p = _mi_page_malloc(heap, page, padsize); // TODO: inline _mi_page_malloc + mi_assert_internal(p != NULL); + mi_assert_internal(((uintptr_t)p + offset) % alignment == 0); + if (zero) { _mi_block_zero_init(page, p, size); } + return p; + } + } + // fallback + return mi_heap_malloc_zero_aligned_at_fallback(heap, size, alignment, offset, zero); +} + + +// ------------------------------------------------------ +// Optimized mi_heap_malloc_aligned / mi_malloc_aligned +// ------------------------------------------------------ mi_decl_restrict void* mi_heap_malloc_aligned_at(mi_heap_t* heap, size_t size, size_t alignment, size_t offset) mi_attr_noexcept { return mi_heap_malloc_zero_aligned_at(heap, size, alignment, offset, false); } mi_decl_restrict void* mi_heap_malloc_aligned(mi_heap_t* heap, size_t size, size_t alignment) mi_attr_noexcept { - return mi_heap_malloc_aligned_at(heap, size, alignment, 0); + #if !MI_PADDING + // without padding, any small sized allocation is naturally aligned (see also `_mi_segment_page_start`) + if (!_mi_is_power_of_two(alignment)) return NULL; + if (mi_likely(_mi_is_power_of_two(size) && size >= alignment && size <= MI_SMALL_SIZE_MAX)) + #else + // with padding, we can only guarantee this for fixed alignments + if (mi_likely((alignment == sizeof(void*) || (alignment == MI_MAX_ALIGN_SIZE && size > (MI_MAX_ALIGN_SIZE/2))) + && size <= MI_SMALL_SIZE_MAX)) + #endif + { + // fast path for common alignment and size + return mi_heap_malloc_small(heap, size); + } + else { + return mi_heap_malloc_aligned_at(heap, size, alignment, 0); + } } +// ------------------------------------------------------ +// Aligned Allocation +// ------------------------------------------------------ + mi_decl_restrict void* mi_heap_zalloc_aligned_at(mi_heap_t* heap, size_t size, size_t alignment, size_t offset) mi_attr_noexcept { return mi_heap_malloc_zero_aligned_at(heap, size, alignment, offset, true); } @@ -114,6 +165,10 @@ mi_decl_restrict void* mi_calloc_aligned(size_t count, size_t size, size_t align } +// ------------------------------------------------------ +// Aligned re-allocation +// ------------------------------------------------------ + static void* mi_heap_realloc_zero_aligned_at(mi_heap_t* heap, void* p, size_t newsize, size_t alignment, size_t offset, bool zero) mi_attr_noexcept { mi_assert(alignment > 0); if (alignment <= sizeof(uintptr_t)) return _mi_heap_realloc_zero(heap,p,newsize,zero); diff --git a/src/alloc-posix.c b/src/alloc-posix.c index 2eaede079..efe628171 100644 --- a/src/alloc-posix.c +++ b/src/alloc-posix.c @@ -56,9 +56,9 @@ int mi_posix_memalign(void** p, size_t alignment, size_t size) mi_attr_noexcept // Note: The spec dictates we should not modify `*p` on an error. (issue#27) // if (p == NULL) return EINVAL; - if (alignment % sizeof(void*) != 0) return EINVAL; // natural alignment - if (!_mi_is_power_of_two(alignment)) return EINVAL; // not a power of 2 - void* q = (mi_malloc_satisfies_alignment(alignment, size) ? mi_malloc(size) : mi_malloc_aligned(size, alignment)); + if (alignment % sizeof(void*) != 0) return EINVAL; // natural alignment + if (alignment==0 || !_mi_is_power_of_two(alignment)) return EINVAL; // not a power of 2 + void* q = mi_malloc_aligned(size, alignment); if (q==NULL && size != 0) return ENOMEM; mi_assert_internal(((uintptr_t)q % alignment) == 0); *p = q; @@ -66,7 +66,7 @@ int mi_posix_memalign(void** p, size_t alignment, size_t size) mi_attr_noexcept } mi_decl_restrict void* mi_memalign(size_t alignment, size_t size) mi_attr_noexcept { - void* p = (mi_malloc_satisfies_alignment(alignment,size) ? mi_malloc(size) : mi_malloc_aligned(size, alignment)); + void* p = mi_malloc_aligned(size, alignment); mi_assert_internal(((uintptr_t)p % alignment) == 0); return p; } @@ -83,9 +83,14 @@ mi_decl_restrict void* mi_pvalloc(size_t size) mi_attr_noexcept { } mi_decl_restrict void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept { - if (alignment==0 || !_mi_is_power_of_two(alignment)) return NULL; - if ((size&(alignment-1)) != 0) return NULL; // C11 requires integral multiple, see - void* p = (mi_malloc_satisfies_alignment(alignment, size) ? mi_malloc(size) : mi_malloc_aligned(size, alignment)); + if (mi_unlikely((size&(alignment-1)) != 0)) { // C11 requires alignment>0 && integral multiple, see + #if MI_DEBUG > 0 + _mi_error_message(EOVERFLOW, "(mi_)aligned_alloc requires the size to be an integral multiple of the alignment (size %zu, alignment %zu)", size, alignment); + #endif + return NULL; + } + // C11 also requires alignment to be a power-of-two which is checked in mi_malloc_aligned + void* p = mi_malloc_aligned(size, alignment); mi_assert_internal(((uintptr_t)p % alignment) == 0); return p; } diff --git a/test/main-override-static.c b/test/main-override-static.c index 221db7e86..071e42487 100644 --- a/test/main-override-static.c +++ b/test/main-override-static.c @@ -42,7 +42,7 @@ int main() { free(p1); free(p2); free(s); - + /* now test if override worked by allocating/freeing across the api's*/ //p1 = mi_malloc(32); //free(p1); diff --git a/test/test-api.c b/test/test-api.c index 8ddbf7cf4..1f810d531 100644 --- a/test/test-api.c +++ b/test/test-api.c @@ -158,6 +158,16 @@ int main(void) { CHECK_BODY("malloc-aligned5", { void* p = mi_malloc_aligned(4097,4096); size_t usable = mi_usable_size(p); result = usable >= 4097 && usable < 10000; mi_free(p); }); + CHECK_BODY("malloc-aligned6", { + void* p; + bool ok = true; + for (int i = 1; i < 8 && ok; i++) { + size_t align = 1UL << i; + p = mi_malloc_aligned(2*align, align); + ok = (p != NULL && (uintptr_t)(p) % align == 0); mi_free(p); + } + result = ok; + }); CHECK_BODY("malloc-aligned-at1", { void* p = mi_malloc_aligned_at(48,32,0); result = (p != NULL && ((uintptr_t)(p) + 0) % 32 == 0); mi_free(p); }); @@ -172,8 +182,8 @@ int main(void) { ok = (p != NULL && (uintptr_t)(p) % 16 == 0); mi_free(p); } result = ok; - }); - + }); + // --------------------------------------------------- // Heaps // --------------------------------------------------- From faf2a7020c4d3234434b165f5c27f89d7777016b Mon Sep 17 00:00:00 2001 From: daan Date: Fri, 17 Dec 2021 13:25:38 -0800 Subject: [PATCH 038/131] add extra alignment tests --- src/alloc-aligned.c | 6 +++--- src/alloc-posix.c | 2 +- test/test-api.c | 8 +++++++- 3 files changed, 11 insertions(+), 5 deletions(-) diff --git a/src/alloc-aligned.c b/src/alloc-aligned.c index 12706f7f2..3a608b83c 100644 --- a/src/alloc-aligned.c +++ b/src/alloc-aligned.c @@ -51,19 +51,19 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t mi_assert(alignment > 0); if (mi_unlikely(alignment==0 || !_mi_is_power_of_two(alignment))) { // require power-of-two (see ) #if MI_DEBUG > 0 - _mi_error_message(EOVERFLOW, "aligned allocation requires the alignment to be a power-of-two (size %zu, alignment %zu)", size, alignment); + _mi_error_message(EOVERFLOW, "aligned allocation requires the alignment to be a power-of-two (size %zu, alignment %zu)\n", size, alignment); #endif return NULL; } if (mi_unlikely(alignment > MI_ALIGNED_MAX)) { // we cannot align at a boundary larger than this (or otherwise we cannot find segment headers) #if MI_DEBUG > 0 - _mi_error_message(EOVERFLOW, "aligned allocation has a maximum alignment of %zu (size %zu, alignment %zu)", MI_ALIGNED_MAX, size, alignment); + _mi_error_message(EOVERFLOW, "aligned allocation has a maximum alignment of %zu (size %zu, alignment %zu)\n", MI_ALIGNED_MAX, size, alignment); #endif return NULL; } if (mi_unlikely(size > PTRDIFF_MAX)) { // we don't allocate more than PTRDIFF_MAX (see ) #if MI_DEBUG > 0 - _mi_error_message(EOVERFLOW, "aligned allocation request is too large (size %zu, alignment %zu)", size, alignment); + _mi_error_message(EOVERFLOW, "aligned allocation request is too large (size %zu, alignment %zu)\n", size, alignment); #endif return NULL; } diff --git a/src/alloc-posix.c b/src/alloc-posix.c index efe628171..03171081a 100644 --- a/src/alloc-posix.c +++ b/src/alloc-posix.c @@ -85,7 +85,7 @@ mi_decl_restrict void* mi_pvalloc(size_t size) mi_attr_noexcept { mi_decl_restrict void* mi_aligned_alloc(size_t alignment, size_t size) mi_attr_noexcept { if (mi_unlikely((size&(alignment-1)) != 0)) { // C11 requires alignment>0 && integral multiple, see #if MI_DEBUG > 0 - _mi_error_message(EOVERFLOW, "(mi_)aligned_alloc requires the size to be an integral multiple of the alignment (size %zu, alignment %zu)", size, alignment); + _mi_error_message(EOVERFLOW, "(mi_)aligned_alloc requires the size to be an integral multiple of the alignment (size %zu, alignment %zu)\n", size, alignment); #endif return NULL; } diff --git a/test/test-api.c b/test/test-api.c index 1f810d531..56835d00b 100644 --- a/test/test-api.c +++ b/test/test-api.c @@ -162,12 +162,18 @@ int main(void) { void* p; bool ok = true; for (int i = 1; i < 8 && ok; i++) { - size_t align = 1UL << i; + size_t align = (size_t)1 << i; p = mi_malloc_aligned(2*align, align); ok = (p != NULL && (uintptr_t)(p) % align == 0); mi_free(p); } result = ok; }); + CHECK_BODY("malloc-aligned7", { + void* p = mi_malloc_aligned(1024,MI_ALIGNED_MAX); mi_free(p); + }); + CHECK_BODY("malloc-aligned8", { + void* p = mi_malloc_aligned(1024,2*MI_ALIGNED_MAX); mi_free(p); + }); CHECK_BODY("malloc-aligned-at1", { void* p = mi_malloc_aligned_at(48,32,0); result = (p != NULL && ((uintptr_t)(p) + 0) % 32 == 0); mi_free(p); }); From f5ea6c70bdaa55e3709858490164752dc8c30945 Mon Sep 17 00:00:00 2001 From: daan Date: Fri, 17 Dec 2021 13:40:39 -0800 Subject: [PATCH 039/131] NetBSD mi_reallocarr should update errno (based on PR #499 by @devexen) --- src/alloc-posix.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/src/alloc-posix.c b/src/alloc-posix.c index 03171081a..ee5babe19 100644 --- a/src/alloc-posix.c +++ b/src/alloc-posix.c @@ -103,7 +103,10 @@ void* mi_reallocarray( void* p, size_t count, size_t size ) mi_attr_noexcept { int mi_reallocarr( void* p, size_t count, size_t size ) mi_attr_noexcept { // NetBSD mi_assert(p != NULL); - if (p == NULL) return EINVAL; // should we set errno as well? + if (p == NULL) { + errno = EINVAL; + return EINVAL; + } void** op = (void**)p; void* newp = mi_reallocarray(*op, count, size); if (mi_unlikely(newp == NULL)) return errno; From 30a99e2c514b7f69b3224181b4d3877deffd824c Mon Sep 17 00:00:00 2001 From: daan Date: Fri, 17 Dec 2021 13:48:39 -0800 Subject: [PATCH 040/131] default to portable C for the thread id on arm 32-bit, issue #495 --- include/mimalloc-internal.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/include/mimalloc-internal.h b/include/mimalloc-internal.h index 1df8b5dec..06c3e95f5 100644 --- a/include/mimalloc-internal.h +++ b/include/mimalloc-internal.h @@ -708,21 +708,21 @@ static inline mi_threadid_t _mi_thread_id(void) mi_attr_noexcept { } #elif defined(__GNUC__) && \ - (defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__)) + (defined(__x86_64__) || defined(__i386__) || defined(__aarch64__)) -// TLS register on x86 is in the FS or GS register, see: https://akkadia.org/drepper/tls.pdf +// see also https://akkadia.org/drepper/tls.pdf for more info on the TLS register. static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept { void* res; const size_t ofs = (slot*sizeof(void*)); #if defined(__i386__) - __asm__("movl %%gs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // 32-bit always uses GS + __asm__("movl %%gs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // x86 32-bit always uses GS #elif defined(__APPLE__) && defined(__x86_64__) __asm__("movq %%gs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // x86_64 macOSX uses GS #elif defined(__x86_64__) && (MI_INTPTR_SIZE==4) __asm__("movl %%fs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // x32 ABI #elif defined(__x86_64__) __asm__("movq %%fs:%1, %0" : "=r" (res) : "m" (*((void**)ofs)) : ); // x86_64 Linux, BSD uses FS -#elif defined(__arm__) +#elif defined(__arm__) // arm32: defined but currently not used (see issue #495) void** tcb; MI_UNUSED(ofs); __asm__ volatile ("mrc p15, 0, %0, c13, c0, 3\nbic %0, %0, #3" : "=r" (tcb)); res = tcb[slot]; @@ -739,7 +739,7 @@ static inline void* mi_tls_slot(size_t slot) mi_attr_noexcept { return res; } -// setting is only used on macOSX for now +// setting a tls slot is only used on macOSX for now static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept { const size_t ofs = (slot*sizeof(void*)); #if defined(__i386__) @@ -767,8 +767,8 @@ static inline void mi_tls_slot_set(size_t slot, void* value) mi_attr_noexcept { } static inline mi_threadid_t _mi_thread_id(void) mi_attr_noexcept { -#if defined(__arm__) || (defined(__ANDROID__) && defined(__aarch64__)) - // issue #384, #495: on arm32 and arm32/arm64 Android, slot 1 is the thread ID (pointer to pthread internal struct) +#if defined(__ANDROID__) && (defined(__arm__) || defined(__aarch64__)) + // issue #384, #495: on arm Android, slot 1 is the thread ID (pointer to pthread internal struct) return (uintptr_t)mi_tls_slot(1); #else // in all our other targets, slot 0 is the pointer to the thread control block @@ -776,7 +776,7 @@ static inline mi_threadid_t _mi_thread_id(void) mi_attr_noexcept { #endif } #else -// otherwise use standard C +// otherwise use portable C static inline mi_threadid_t _mi_thread_id(void) mi_attr_noexcept { return (uintptr_t)&_mi_heap_default; } From 89090510bd965ca48a83857eaa6b6e78a951bf7e Mon Sep 17 00:00:00 2001 From: Daan Leijen Date: Sat, 18 Dec 2021 11:11:44 -0800 Subject: [PATCH 041/131] update alignment tests --- include/mimalloc-types.h | 2 +- include/mimalloc.h | 2 +- src/alloc-aligned.c | 6 +++--- test/test-api.c | 20 +++++++++++++------- 4 files changed, 18 insertions(+), 12 deletions(-) diff --git a/include/mimalloc-types.h b/include/mimalloc-types.h index d45a1eea5..b349dfc33 100644 --- a/include/mimalloc-types.h +++ b/include/mimalloc-types.h @@ -160,7 +160,7 @@ typedef int32_t mi_ssize_t; #if (MI_LARGE_OBJ_WSIZE_MAX >= 655360) #error "mimalloc internal: define more bins" #endif -#if (MI_ALIGNED_MAX > MI_SEGMENT_SIZE/2) +#if (MI_ALIGNMENT_MAX > MI_SEGMENT_SIZE/2) #error "mimalloc internal: the max aligned boundary is too large for the segment size" #endif diff --git a/include/mimalloc.h b/include/mimalloc.h index b65027d31..a0b713890 100644 --- a/include/mimalloc.h +++ b/include/mimalloc.h @@ -166,7 +166,7 @@ mi_decl_export void mi_process_info(size_t* elapsed_msecs, size_t* user_msecs, s // Note that `alignment` always follows `size` for consistency with unaligned // allocation, but unfortunately this differs from `posix_memalign` and `aligned_alloc`. // ------------------------------------------------------------------------------------- -#define MI_ALIGNED_MAX (1024*1024UL) // maximum supported alignment is 1MiB +#define MI_ALIGNMENT_MAX (1024*1024UL) // maximum supported alignment is 1MiB mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc_aligned(size_t size, size_t alignment) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1) mi_attr_alloc_align(2); mi_decl_nodiscard mi_decl_export mi_decl_restrict void* mi_malloc_aligned_at(size_t size, size_t alignment, size_t offset) mi_attr_noexcept mi_attr_malloc mi_attr_alloc_size(1); diff --git a/src/alloc-aligned.c b/src/alloc-aligned.c index 3a608b83c..6b15e6531 100644 --- a/src/alloc-aligned.c +++ b/src/alloc-aligned.c @@ -18,7 +18,7 @@ terms of the MIT license. A copy of the license can be found in the file static mi_decl_noinline void* mi_heap_malloc_zero_aligned_at_fallback(mi_heap_t* const heap, const size_t size, const size_t alignment, const size_t offset, const bool zero) mi_attr_noexcept { mi_assert_internal(size <= PTRDIFF_MAX); - mi_assert_internal(alignment!=0 && _mi_is_power_of_two(alignment) && alignment <= MI_ALIGNED_MAX); + mi_assert_internal(alignment!=0 && _mi_is_power_of_two(alignment) && alignment <= MI_ALIGNMENT_MAX); const uintptr_t align_mask = alignment-1; // for any x, `(x & align_mask) == (x % alignment)` const size_t padsize = size + MI_PADDING_SIZE; @@ -55,9 +55,9 @@ static void* mi_heap_malloc_zero_aligned_at(mi_heap_t* const heap, const size_t #endif return NULL; } - if (mi_unlikely(alignment > MI_ALIGNED_MAX)) { // we cannot align at a boundary larger than this (or otherwise we cannot find segment headers) + if (mi_unlikely(alignment > MI_ALIGNMENT_MAX)) { // we cannot align at a boundary larger than this (or otherwise we cannot find segment headers) #if MI_DEBUG > 0 - _mi_error_message(EOVERFLOW, "aligned allocation has a maximum alignment of %zu (size %zu, alignment %zu)\n", MI_ALIGNED_MAX, size, alignment); + _mi_error_message(EOVERFLOW, "aligned allocation has a maximum alignment of %zu (size %zu, alignment %zu)\n", MI_ALIGNMENT_MAX, size, alignment); #endif return NULL; } diff --git a/test/test-api.c b/test/test-api.c index 56835d00b..96817337f 100644 --- a/test/test-api.c +++ b/test/test-api.c @@ -159,20 +159,26 @@ int main(void) { void* p = mi_malloc_aligned(4097,4096); size_t usable = mi_usable_size(p); result = usable >= 4097 && usable < 10000; mi_free(p); }); CHECK_BODY("malloc-aligned6", { - void* p; bool ok = true; - for (int i = 1; i < 8 && ok; i++) { - size_t align = (size_t)1 << i; - p = mi_malloc_aligned(2*align, align); - ok = (p != NULL && (uintptr_t)(p) % align == 0); mi_free(p); + for (size_t align = 1; align <= MI_ALIGNMENT_MAX && ok; align *= 2) { + void* ps[8]; + for (int i = 0; i < 8 && ok; i++) { + ps[i] = mi_malloc_aligned(align/2 /*size*/, align); + if (ps[i] == NULL || (uintptr_t)(ps[i]) % align != 0) { + ok = false; + } + } + for (int i = 0; i < 8 && ok; i++) { + mi_free(ps[i]); + } } result = ok; }); CHECK_BODY("malloc-aligned7", { - void* p = mi_malloc_aligned(1024,MI_ALIGNED_MAX); mi_free(p); + void* p = mi_malloc_aligned(1024,MI_ALIGNMENT_MAX); mi_free(p); }); CHECK_BODY("malloc-aligned8", { - void* p = mi_malloc_aligned(1024,2*MI_ALIGNED_MAX); mi_free(p); + void* p = mi_malloc_aligned(1024,2*MI_ALIGNMENT_MAX); mi_free(p); }); CHECK_BODY("malloc-aligned-at1", { void* p = mi_malloc_aligned_at(48,32,0); result = (p != NULL && ((uintptr_t)(p) + 0) % 32 == 0); mi_free(p); From 72a33c37ef14abc24d3a5cdbb2be806fd24cb382 Mon Sep 17 00:00:00 2001 From: daan Date: Sat, 18 Dec 2021 11:34:02 -0800 Subject: [PATCH 042/131] merge from dev --- include/mimalloc-types.h | 4 ++-- src/segment.c | 2 +- test/test-api.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/include/mimalloc-types.h b/include/mimalloc-types.h index 9f97f8f55..957115c80 100644 --- a/include/mimalloc-types.h +++ b/include/mimalloc-types.h @@ -172,13 +172,13 @@ typedef int32_t mi_ssize_t; #endif // Maximum slice offset (15) -#define MI_MAX_SLICE_OFFSET ((MI_ALIGNED_MAX / MI_SEGMENT_SLICE_SIZE) - 1) +#define MI_MAX_SLICE_OFFSET ((MI_ALIGNMENT_MAX / MI_SEGMENT_SLICE_SIZE) - 1) // Used as a special value to encode block sizes in 32 bits. #define MI_HUGE_BLOCK_SIZE ((uint32_t)MI_HUGE_OBJ_SIZE_MAX) // blocks up to this size are always allocated aligned -#define MI_MAX_ALIGN_GUARANTEE (8*MI_MAX_ALIGN_SIZE) +#define MI_MAX_ALIGN_GUARANTEE (8*MI_MAX_ALIGN_SIZE) diff --git a/src/segment.c b/src/segment.c index 7b2fa28ee..3001f1602 100644 --- a/src/segment.c +++ b/src/segment.c @@ -317,7 +317,7 @@ static uint8_t* _mi_segment_page_start_from_slice(const mi_segment_t* segment, c size_t psize = (size_t)slice->slice_count * MI_SEGMENT_SLICE_SIZE; // make the start not OS page aligned for smaller blocks to avoid page/cache effects size_t start_offset = (xblock_size >= MI_INTPTR_SIZE && xblock_size <= 1024 ? MI_MAX_ALIGN_GUARANTEE : 0); - if (page_size != NULL) *page_size = psize - start_offset; + if (page_size != NULL) { *page_size = psize - start_offset; } return (uint8_t*)segment + ((idx*MI_SEGMENT_SLICE_SIZE) + start_offset); } diff --git a/test/test-api.c b/test/test-api.c index 96817337f..f057799a5 100644 --- a/test/test-api.c +++ b/test/test-api.c @@ -163,7 +163,7 @@ int main(void) { for (size_t align = 1; align <= MI_ALIGNMENT_MAX && ok; align *= 2) { void* ps[8]; for (int i = 0; i < 8 && ok; i++) { - ps[i] = mi_malloc_aligned(align/2 /*size*/, align); + ps[i] = mi_malloc_aligned(align*13 /*size*/, align); if (ps[i] == NULL || (uintptr_t)(ps[i]) % align != 0) { ok = false; } From f16435447c53d90b61f1bce6da90c4759d5d7f5b Mon Sep 17 00:00:00 2001 From: daan Date: Sat, 18 Dec 2021 11:37:00 -0800 Subject: [PATCH 043/131] fix bug in freeing huge OS page allocation spanning multiple huge OS pages --- src/os.c | 5 +++-- test/test-api.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/src/os.c b/src/os.c index 45182f646..c31df7570 100644 --- a/src/os.c +++ b/src/os.c @@ -1254,8 +1254,8 @@ void* _mi_os_alloc_huge_os_pages(size_t pages, int numa_node, mi_msecs_t max_mse } } mi_assert_internal(page*MI_HUGE_OS_PAGE_SIZE <= size); - if (pages_reserved != NULL) *pages_reserved = page; - if (psize != NULL) *psize = page * MI_HUGE_OS_PAGE_SIZE; + if (pages_reserved != NULL) { *pages_reserved = page; } + if (psize != NULL) { *psize = page * MI_HUGE_OS_PAGE_SIZE; } return (page == 0 ? NULL : start); } @@ -1267,6 +1267,7 @@ void _mi_os_free_huge_pages(void* p, size_t size, mi_stats_t* stats) { while (size >= MI_HUGE_OS_PAGE_SIZE) { _mi_os_free(base, MI_HUGE_OS_PAGE_SIZE, stats); size -= MI_HUGE_OS_PAGE_SIZE; + base += MI_HUGE_OS_PAGE_SIZE; } } diff --git a/test/test-api.c b/test/test-api.c index 96817337f..f057799a5 100644 --- a/test/test-api.c +++ b/test/test-api.c @@ -163,7 +163,7 @@ int main(void) { for (size_t align = 1; align <= MI_ALIGNMENT_MAX && ok; align *= 2) { void* ps[8]; for (int i = 0; i < 8 && ok; i++) { - ps[i] = mi_malloc_aligned(align/2 /*size*/, align); + ps[i] = mi_malloc_aligned(align*13 /*size*/, align); if (ps[i] == NULL || (uintptr_t)(ps[i]) % align != 0) { ok = false; } From 9f01c661511bfb4636227d46a2ac70cd4442a6a3 Mon Sep 17 00:00:00 2001 From: daan Date: Sat, 18 Dec 2021 16:36:37 -0800 Subject: [PATCH 044/131] update documentation --- doc/mimalloc-doc.h | 51 ++- docs/annotated.html | 22 +- docs/bench.html | 28 +- docs/build.html | 47 ++- docs/classes.html | 37 +- docs/doxygen.css | 165 +++++---- docs/dynsections.js | 33 +- docs/environment.html | 27 +- docs/functions.html | 22 +- docs/functions_vars.html | 22 +- docs/group__aligned.html | 52 ++- docs/group__aligned.js | 1 + docs/group__analysis.html | 32 +- docs/group__cpp.html | 41 +-- docs/group__extended.html | 187 ++++++++-- docs/group__extended.js | 2 + docs/group__heap.html | 54 ++- docs/group__malloc.html | 48 ++- docs/group__options.html | 64 ++-- docs/group__options.js | 1 + docs/group__posix.html | 66 +++- docs/group__posix.js | 1 + docs/group__typed.html | 51 ++- docs/group__zeroinit.html | 22 +- docs/index.html | 27 +- docs/jquery.js | 94 ++--- docs/mimalloc-doc_8h_source.html | 611 +++++++++++++++++++++++-------- docs/modules.html | 22 +- docs/navtree.js | 74 ++-- docs/navtreedata.js | 33 +- docs/navtreeindex0.js | 73 ++-- docs/overrides.html | 92 ++++- docs/pages.html | 22 +- docs/resize.js | 38 +- docs/search/all_0.html | 19 +- docs/search/all_0.js | 2 +- docs/search/all_1.html | 19 +- docs/search/all_1.js | 2 +- docs/search/all_2.html | 19 +- docs/search/all_2.js | 8 +- docs/search/all_3.html | 19 +- docs/search/all_3.js | 4 +- docs/search/all_4.html | 19 +- docs/search/all_4.js | 4 +- docs/search/all_5.html | 19 +- docs/search/all_5.js | 4 +- docs/search/all_6.html | 19 +- docs/search/all_6.js | 295 +++++++-------- docs/search/all_7.html | 19 +- docs/search/all_7.js | 2 +- docs/search/all_8.html | 19 +- docs/search/all_8.js | 4 +- docs/search/all_9.html | 19 +- docs/search/all_9.js | 4 +- docs/search/all_a.html | 19 +- docs/search/all_a.js | 2 +- docs/search/all_b.html | 19 +- docs/search/all_b.js | 4 +- docs/search/all_c.html | 19 +- docs/search/all_c.js | 2 +- docs/search/classes_0.html | 19 +- docs/search/classes_0.js | 4 +- docs/search/enums_0.html | 19 +- docs/search/enums_0.js | 2 +- docs/search/enumvalues_0.html | 19 +- docs/search/enumvalues_0.js | 2 +- docs/search/enumvalues_1.html | 19 +- docs/search/enumvalues_1.js | 31 +- docs/search/functions_0.html | 19 +- docs/search/functions_0.js | 223 +++++------ docs/search/groups_0.html | 19 +- docs/search/groups_0.js | 2 +- docs/search/groups_1.html | 19 +- docs/search/groups_1.js | 2 +- docs/search/groups_2.html | 19 +- docs/search/groups_2.js | 2 +- docs/search/groups_3.html | 19 +- docs/search/groups_3.js | 2 +- docs/search/groups_4.html | 19 +- docs/search/groups_4.js | 4 +- docs/search/groups_5.html | 19 +- docs/search/groups_5.js | 2 +- docs/search/groups_6.html | 19 +- docs/search/groups_6.js | 2 +- docs/search/groups_7.html | 19 +- docs/search/groups_7.js | 2 +- docs/search/groups_8.html | 19 +- docs/search/groups_8.js | 2 +- docs/search/nomatches.html | 3 +- docs/search/pages_0.html | 19 +- docs/search/pages_0.js | 2 +- docs/search/pages_1.html | 19 +- docs/search/pages_1.js | 2 +- docs/search/pages_2.html | 19 +- docs/search/pages_2.js | 2 +- docs/search/pages_3.html | 19 +- docs/search/pages_3.js | 2 +- docs/search/pages_4.html | 19 +- docs/search/pages_4.js | 2 +- docs/search/search.js | 52 +-- docs/search/typedefs_0.html | 19 +- docs/search/typedefs_0.js | 10 +- docs/search/variables_0.html | 19 +- docs/search/variables_0.js | 4 +- docs/search/variables_1.html | 19 +- docs/search/variables_1.js | 2 +- docs/search/variables_2.html | 19 +- docs/search/variables_2.js | 2 +- docs/search/variables_3.html | 19 +- docs/search/variables_3.js | 2 +- docs/using.html | 69 +++- 111 files changed, 2215 insertions(+), 1423 deletions(-) diff --git a/doc/mimalloc-doc.h b/doc/mimalloc-doc.h index e2287fe91..4cf8c2c3f 100644 --- a/doc/mimalloc-doc.h +++ b/doc/mimalloc-doc.h @@ -51,7 +51,7 @@ Notable aspects of the design include: programs. - __secure__: _mimalloc_ can be build in secure mode, adding guard pages, randomized allocation, encrypted free lists, etc. to protect against various - heap vulnerabilities. The performance penalty is only around 3% on average + heap vulnerabilities. The performance penalty is only around 5% on average over our benchmarks. - __first-class heaps__: efficiently create and use multiple heaps to allocate across different regions. A heap can be destroyed at once instead of deallocating each object separately. @@ -413,6 +413,28 @@ void mi_register_error(mi_error_fun* errfun, void* arg); /// This function is relatively fast. bool mi_is_in_heap_region(const void* p); +/// Reserve OS memory for use by mimalloc. Reserved areas are used +/// before allocating from the OS again. By reserving a large area upfront, +/// allocation can be more efficient, and can be better managed on systems +/// without `mmap`/`VirtualAlloc` (like WASM for example). +/// @param size The size to reserve. +/// @param commit Commit the memory upfront. +/// @param allow_large Allow large OS pages (2MiB) to be used? +/// @return \a 0 if successful, and an error code otherwise (e.g. `ENOMEM`). +int mi_reserve_os_memory(size_t size, bool commit, bool allow_large); + +/// Manage a particular memory area for use by mimalloc. +/// This is just like `mi_reserve_os_memory` except that the area should already be +/// allocated in some manner and available for use my mimalloc. +/// @param start Start of the memory area +/// @param size The size of the memory area. +/// @param commit Is the area already committed? +/// @param is_large Does it consist of large OS pages? Set this to \a true as well for memory +/// that should not be decommitted or protected (like rdma etc.) +/// @param is_zero Does the area consists of zero's? +/// @param numa_node Possible associated numa node or `-1`. +/// @return \a true if successful, and \a false on error. +bool mi_manage_os_memory(void* start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node); /// Reserve \a pages of huge OS pages (1GiB) evenly divided over \a numa_nodes nodes, /// but stops after at most `timeout_msecs` seconds. @@ -476,9 +498,12 @@ void mi_process_info(size_t* elapsed_msecs, size_t* user_msecs, size_t* system_m /// /// \{ +/// The maximum supported alignment size (currently 1MiB). +#define MI_ALIGNMENT_MAX (1024*1024UL) + /// Allocate \a size bytes aligned by \a alignment. /// @param size number of bytes to allocate. -/// @param alignment the minimal alignment of the allocated memory. +/// @param alignment the minimal alignment of the allocated memory. Must be less than #MI_ALIGNMENT_MAX. /// @returns pointer to the allocated memory or \a NULL if out of memory. /// The returned pointer is aligned by \a alignment, i.e. /// `(uintptr_t)p % alignment == 0`. @@ -829,8 +854,14 @@ void* mi_valloc(size_t size); void* mi_pvalloc(size_t size); void* mi_aligned_alloc(size_t alignment, size_t size); + +/// Correspond s to [reallocarray](https://www.freebsd.org/cgi/man.cgi?query=reallocarray&sektion=3&manpath=freebsd-release-ports) +/// in FreeBSD. void* mi_reallocarray(void* p, size_t count, size_t size); +/// Corresponds to [reallocarr](https://man.netbsd.org/reallocarr.3) in NetBSD. +int mi_reallocarr(void* p, size_t count, size_t size); + void mi_free_size(void* p, size_t size); void mi_free_size_aligned(void* p, size_t size, size_t alignment); void mi_free_aligned(void* p, size_t alignment); @@ -1161,6 +1192,12 @@ void* calloc(size_t size, size_t n); void* realloc(void* p, size_t newsize); void free(void* p); +void* aligned_alloc(size_t alignment, size_t size); +char* strdup(const char* s); +char* strndup(const char* s, size_t n); +char* realpath(const char* fname, char* resolved_name); + + // C++ void operator delete(void* p); void operator delete[](void* p); @@ -1180,16 +1217,24 @@ int posix_memalign(void** p, size_t alignment, size_t size); // Linux void* memalign(size_t alignment, size_t size); -void* aligned_alloc(size_t alignment, size_t size); void* valloc(size_t size); void* pvalloc(size_t size); size_t malloc_usable_size(void *p); +void* reallocf(void* p, size_t newsize); + +// macOS +void vfree(void* p); +size_t malloc_size(const void* p); +size_t malloc_good_size(size_t size); // BSD void* reallocarray( void* p, size_t count, size_t size ); void* reallocf(void* p, size_t newsize); void cfree(void* p); +// NetBSD +int reallocarr(void* p, size_t count, size_t size); + // Windows void* _expand(void* p, size_t newsize); size_t _msize(void* p); diff --git a/docs/annotated.html b/docs/annotated.html index feba24386..f3e392a45 100644 --- a/docs/annotated.html +++ b/docs/annotated.html @@ -3,7 +3,7 @@ - + mi-malloc: Data Structures @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
mi-malloc -  1.6 +  1.7/2.0
- @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
@@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
@@ -113,9 +109,7 @@ diff --git a/docs/bench.html b/docs/bench.html index f39fade69..6c4728958 100644 --- a/docs/bench.html +++ b/docs/bench.html @@ -3,7 +3,7 @@ - + mi-malloc: Performance @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
mi-malloc -  1.6 +  1.7/2.0
- @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
@@ -60,10 +56,10 @@
- + @@ -79,7 +75,7 @@
@@ -103,17 +99,15 @@

We tested mimalloc against many other top allocators over a wide range of benchmarks, ranging from various real world programs to synthetic benchmarks that see how the allocator behaves under more extreme circumstances.

-

In our benchmarks, mimalloc always outperforms all other leading allocators (jemalloc, tcmalloc, Hoard, etc) (Apr 2019), and usually uses less memory (up to 25% more in the worst case). A nice property is that it does consistently well over the wide range of benchmarks.

+

In our benchmarks, mimalloc always outperforms all other leading allocators (jemalloc, tcmalloc, Hoard, etc) (Jan 2021), and usually uses less memory (up to 25% more in the worst case). A nice property is that it does consistently well over the wide range of benchmarks.

See the Performance section in the mimalloc repository for benchmark results, or the the technical report for detailed benchmark results.

-
- + + diff --git a/docs/build.html b/docs/build.html index 2bd06f13f..dbcc0d752 100644 --- a/docs/build.html +++ b/docs/build.html @@ -3,7 +3,7 @@ - + mi-malloc: Building @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
mi-malloc -  1.6 +  1.7/2.0
- @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
@@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
@@ -102,28 +98,39 @@
Building
-

Checkout the sources from Github:

git clone https://github.com/microsoft/mimalloc

Windows

+

Checkout the sources from Github:

git clone https://github.com/microsoft/mimalloc
+

Windows

Open ide/vs2019/mimalloc.sln in Visual Studio 2019 and build (or ide/vs2017/mimalloc.sln). The mimalloc project builds a static library (in out/msvc-x64), while the mimalloc-override project builds a DLL for overriding malloc in the entire program.

macOS, Linux, BSD, etc.

We use cmake1 as the build system:

-
> mkdir -p out/release
> cd out/release
> cmake ../..
> make

This builds the library as a shared (dynamic) library (.so or .dylib), a static library (.a), and as a single object file (.o).

+
> mkdir -p out/release
+
> cd out/release
+
> cmake ../..
+
> make
+

This builds the library as a shared (dynamic) library (.so or .dylib), a static library (.a), and as a single object file (.o).

> sudo make install (install the library and header files in /usr/local/lib and /usr/local/include)

You can build the debug version which does many internal checks and maintains detailed statistics as:

-
> mkdir -p out/debug
> cd out/debug
> cmake -DCMAKE_BUILD_TYPE=Debug ../..
> make

This will name the shared library as libmimalloc-debug.so.

-

Finally, you can build a secure version that uses guard pages, encrypted free lists, etc, as:

> mkdir -p out/secure
> cd out/secure
> cmake -DMI_SECURE=ON ../..
> make

This will name the shared library as libmimalloc-secure.so. Use ccmake2 instead of cmake to see and customize all the available build options.

+
> mkdir -p out/debug
+
> cd out/debug
+
> cmake -DCMAKE_BUILD_TYPE=Debug ../..
+
> make
+

This will name the shared library as libmimalloc-debug.so.

+

Finally, you can build a secure version that uses guard pages, encrypted free lists, etc, as:

> mkdir -p out/secure
+
> cd out/secure
+
> cmake -DMI_SECURE=ON ../..
+
> make
+

This will name the shared library as libmimalloc-secure.so. Use ccmake2 instead of cmake to see and customize all the available build options.

Notes:

  1. Install CMake: sudo apt-get install cmake
  2. Install CCMake: sudo apt-get install cmake-curses-gui
-
-
+ + diff --git a/docs/classes.html b/docs/classes.html index e74a0a24c..b744c4d90 100644 --- a/docs/classes.html +++ b/docs/classes.html @@ -3,7 +3,7 @@ - + mi-malloc: Data Structure Index @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
mi-malloc -  1.6 +  1.7/2.0
- @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
@@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
@@ -102,23 +98,18 @@
Data Structure Index
-
m
- - - - - -
  m  
-		mi_stl_allocator   
mi_heap_area_t   
-
m
+
M
+
+
+
M
+
mi_heap_area_t
mi_stl_allocator
+
diff --git a/docs/doxygen.css b/docs/doxygen.css index 723847168..f090ef799 100644 --- a/docs/doxygen.css +++ b/docs/doxygen.css @@ -1,4 +1,4 @@ -/* The standard CSS for doxygen 1.8.15 */ +/* The standard CSS for doxygen 1.9.1 */ body, table, div, p, dl { font: 400 14px/22px Roboto,sans-serif; @@ -53,17 +53,24 @@ dt { font-weight: bold; } -div.multicol { +ul.multicol { -moz-column-gap: 1em; -webkit-column-gap: 1em; + column-gap: 1em; -moz-column-count: 3; -webkit-column-count: 3; + column-count: 3; } p.startli, p.startdd { margin-top: 2px; } +th p.starttd, th p.intertd, th p.endtd { + font-size: 100%; + font-weight: 700; +} + p.starttd { margin-top: 0px; } @@ -96,30 +103,96 @@ caption { } span.legend { - font-size: 70%; - text-align: center; + font-size: 70%; + text-align: center; } h3.version { - font-size: 90%; - text-align: center; + font-size: 90%; + text-align: center; } -div.qindex, div.navtab{ - background-color: #D6D9D9; - border: 1px solid #636C6D; - text-align: center; +div.navtab { + border-right: 1px solid #636C6D; + padding-right: 15px; + text-align: right; + line-height: 110%; +} + +div.navtab table { + border-spacing: 0; +} + +td.navtab { + padding-right: 6px; + padding-left: 6px; +} +td.navtabHL { + background-image: url('tab_a.png'); + background-repeat:repeat-x; + padding-right: 6px; + padding-left: 6px; +} + +td.navtabHL a, td.navtabHL a:visited { + color: #fff; + text-shadow: 0px 1px 1px rgba(0, 0, 0, 1.0); +} + +a.navtab { + font-weight: bold; } -div.qindex, div.navpath { +div.qindex{ + text-align: center; width: 100%; line-height: 140%; + font-size: 130%; + color: #A0A0A0; } -div.navtab { - margin-right: 15px; +dt.alphachar{ + font-size: 180%; + font-weight: bold; +} + +.alphachar a{ + color: black; +} + +.alphachar a:hover, .alphachar a:visited{ + text-decoration: none; +} + +.classindex dl { + padding: 25px; + column-count:1 +} + +.classindex dd { + display:inline-block; + margin-left: 50px; + width: 90%; + line-height: 1.15em; +} + +.classindex dl.odd { + background-color: #F0F1F1; +} + +@media(min-width: 1120px) { + .classindex dl { + column-count:2 + } +} + +@media(min-width: 1320px) { + .classindex dl { + column-count:3 + } } + /* @group Link Styling */ a { @@ -136,17 +209,6 @@ a:hover { text-decoration: underline; } -a.qindex { - font-weight: bold; -} - -a.qindexHL { - font-weight: bold; - background-color: #5B6364; - color: #FFFFFF; - border: 1px double #464C4D; -} - .contents a.qindexHL:visited { color: #FFFFFF; } @@ -533,7 +595,7 @@ table.memberdecls { white-space: nowrap; } -.memItemRight { +.memItemRight, .memTemplItemRight { width: 100%; } @@ -701,7 +763,7 @@ dl.reflist dd { padding-left: 0px; } -.params .paramname, .retval .paramname, .tparams .paramname { +.params .paramname, .retval .paramname, .tparams .paramname, .exception .paramname { font-weight: bold; vertical-align: top; } @@ -1351,10 +1413,12 @@ dl.citelist dt { font-weight:bold; margin-right:10px; padding:5px; + text-align:right; + width:52px; } dl.citelist dd { - margin:2px 0; + margin:2px 0 2px 72px; padding:5px 0; } @@ -1417,6 +1481,12 @@ div.toc li.level4 { margin-left: 45px; } +span.emoji { + /* font family used at the site: https://unicode.org/emoji/charts/full-emoji-list.html + * font-family: "Noto Color Emoji", "Apple Color Emoji", "Segoe UI Emoji", Times, Symbola, Aegyptus, Code2000, Code2001, Code2002, Musica, serif, LastResort; + */ +} + .PageDocRTL-title div.toc li.level1 { margin-left: 0 !important; margin-right: 0; @@ -1654,47 +1724,6 @@ tr.heading h2 { /* @group Markdown */ -/* -table.markdownTable { - border-collapse:collapse; - margin-top: 4px; - margin-bottom: 4px; -} - -table.markdownTable td, table.markdownTable th { - border: 1px solid #060606; - padding: 3px 7px 2px; -} - -table.markdownTableHead tr { -} - -table.markdownTableBodyLeft td, table.markdownTable th { - border: 1px solid #060606; - padding: 3px 7px 2px; -} - -th.markdownTableHeadLeft th.markdownTableHeadRight th.markdownTableHeadCenter th.markdownTableHeadNone { - background-color: #0B0C0C; - color: #FFFFFF; - font-size: 110%; - padding-bottom: 4px; - padding-top: 5px; -} - -th.markdownTableHeadLeft { - text-align: left -} - -th.markdownTableHeadRight { - text-align: right -} - -th.markdownTableHeadCenter { - text-align: center -} -*/ - table.markdownTable { border-collapse:collapse; margin-top: 4px; diff --git a/docs/dynsections.js b/docs/dynsections.js index ea0a7b39a..3174bd7be 100644 --- a/docs/dynsections.js +++ b/docs/dynsections.js @@ -1,25 +1,26 @@ /* - @licstart The following is the entire license notice for the - JavaScript code in this file. + @licstart The following is the entire license notice for the JavaScript code in this file. - Copyright (C) 1997-2017 by Dimitri van Heesch + The MIT License (MIT) - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. + Copyright (C) 1997-2020 by Dimitri van Heesch - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + Permission is hereby granted, free of charge, to any person obtaining a copy of this software + and associated documentation files (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, publish, distribute, + sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + The above copyright notice and this permission notice shall be included in all copies or + substantial portions of the Software. - @licend The above is the entire license notice - for the JavaScript code in this file + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + @licend The above is the entire license notice for the JavaScript code in this file */ function toggleVisibility(linkObj) { diff --git a/docs/environment.html b/docs/environment.html index 87d67e4a0..f571f95f8 100644 --- a/docs/environment.html +++ b/docs/environment.html @@ -3,7 +3,7 @@ - + mi-malloc: Environment Options @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
mi-malloc -  1.6 +  1.7/2.0
- @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
@@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
@@ -110,17 +106,16 @@
  • MIMALLOC_PAGE_RESET=0: by default, mimalloc will reset (or purge) OS pages when not in use to signal to the OS that the underlying physical memory can be reused. This can reduce memory fragmentation in long running (server) programs. By setting it to 0 no such page resets will be done which can improve performance for programs that are not long running. As an alternative, the MIMALLOC_RESET_DELAY=<msecs> can be set higher (100ms by default) to make the page reset occur less frequently instead of turning it off completely.
  • MIMALLOC_LARGE_OS_PAGES=1: use large OS pages (2MiB) when available; for some workloads this can significantly improve performance. Use MIMALLOC_VERBOSE to check if the large OS pages are enabled – usually one needs to explicitly allow large OS pages (as on Windows and Linux). However, sometimes the OS is very slow to reserve contiguous physical memory for large OS pages so use with care on systems that can have fragmented memory (for that reason, we generally recommend to use MIMALLOC_RESERVE_HUGE_OS_PAGES instead when possible).
  • MIMALLOC_RESERVE_HUGE_OS_PAGES=N: where N is the number of 1GiB huge OS pages. This reserves the huge pages at startup and sometimes this can give a large (latency) performance improvement on big workloads. Usually it is better to not use MIMALLOC_LARGE_OS_PAGES in combination with this setting. Just like large OS pages, use with care as reserving contiguous physical memory can take a long time when memory is fragmented (but reserving the huge pages is done at startup only once). Note that we usually need to explicitly enable huge OS pages (as on Windows and Linux)). With huge OS pages, it may be beneficial to set the setting MIMALLOC_EAGER_COMMIT_DELAY=N (N is 1 by default) to delay the initial N segments (of 4MiB) of a thread to not allocate in the huge OS pages; this prevents threads that are short lived and allocate just a little to take up space in the huge OS page area (which cannot be reset).
    • +
  • MIMALLOC_RESERVE_HUGE_OS_PAGES_AT=N: where N is the numa node. This reserves the huge pages at a specific numa node. (N is -1 by default to reserve huge pages evenly among the given number of numa nodes (or use the available ones as detected))

    • Use caution when using fork in combination with either large or huge OS pages: on a fork, the OS uses copy-on-write for all pages in the original process including the huge OS pages. When any memory is now written in that area, the OS will copy the entire 1GiB huge page (or 2MiB large page) which can cause the memory usage to grow in big increments.

    -
    - + + diff --git a/docs/functions.html b/docs/functions.html index 620212104..373fafe2b 100644 --- a/docs/functions.html +++ b/docs/functions.html @@ -3,7 +3,7 @@ - + mi-malloc: Data Fields @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -120,9 +116,7 @@ diff --git a/docs/functions_vars.html b/docs/functions_vars.html index 7d41d10ea..a12ef6226 100644 --- a/docs/functions_vars.html +++ b/docs/functions_vars.html @@ -3,7 +3,7 @@ - + mi-malloc: Data Fields - Variables @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@
    - + @@ -79,7 +75,7 @@
    @@ -120,9 +116,7 @@ diff --git a/docs/group__aligned.html b/docs/group__aligned.html index a3eaacf09..bd11f30f2 100644 --- a/docs/group__aligned.html +++ b/docs/group__aligned.html @@ -3,7 +3,7 @@ - + mi-malloc: Aligned Allocation @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@
    - + @@ -79,7 +75,7 @@
    @@ -99,6 +95,7 @@
    +Macros | Functions
    Aligned Allocation
    @@ -108,10 +105,16 @@

    Allocating aligned memory blocks. More...

    + + + + +

    +Macros

    #define MI_ALIGNMENT_MAX
     The maximum supported alignment size (currently 1MiB). More...
     
    - + @@ -120,7 +123,7 @@ - + @@ -131,6 +134,23 @@

    Functions

    void * mi_malloc_aligned (size_t size, size_t alignment)
     Allocate size bytes aligned by alignment. More...
     Allocate size bytes aligned by alignment. More...
     
    void * mi_zalloc_aligned (size_t size, size_t alignment)
     
    void * mi_realloc_aligned (void *p, size_t newsize, size_t alignment)
     
    void * mi_malloc_aligned_at (size_t size, size_t alignment, size_t offset)
     Allocate size bytes aligned by alignment at a specified offset. More...
     Allocate size bytes aligned by alignment at a specified offset. More...
     
    void * mi_zalloc_aligned_at (size_t size, size_t alignment, size_t offset)
     

    Detailed Description

    Allocating aligned memory blocks.

    +

    Macro Definition Documentation

    + +

    ◆ MI_ALIGNMENT_MAX

    + +
    +
    + + + + +
    #define MI_ALIGNMENT_MAX
    +
    + +

    The maximum supported alignment size (currently 1MiB).

    + +
    +

    Function Documentation

    ◆ mi_calloc_aligned()

    @@ -236,7 +256,7 @@

    Parameters
    - +
    sizenumber of bytes to allocate.
    alignmentthe minimal alignment of the allocated memory.
    alignmentthe minimal alignment of the allocated memory. Must be less than MI_ALIGNMENT_MAX.
    @@ -438,9 +458,7 @@

    diff --git a/docs/group__aligned.js b/docs/group__aligned.js index 0a5aa5c89..06ccb0c37 100644 --- a/docs/group__aligned.js +++ b/docs/group__aligned.js @@ -1,5 +1,6 @@ var group__aligned = [ + [ "MI_ALIGNMENT_MAX", "group__aligned.html#ga83c03016066b438f51a8095e9140be06", null ], [ "mi_calloc_aligned", "group__aligned.html#ga53dddb4724042a90315b94bc268fb4c9", null ], [ "mi_calloc_aligned_at", "group__aligned.html#ga08647c4593f3b2eef24a919a73eba3a3", null ], [ "mi_malloc_aligned", "group__aligned.html#ga68930196751fa2cca9e1fd0d71bade56", null ], diff --git a/docs/group__analysis.html b/docs/group__analysis.html index 2487c240e..883099fe5 100644 --- a/docs/group__analysis.html +++ b/docs/group__analysis.html @@ -3,7 +3,7 @@ - + mi-malloc: Heap Introspection @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@
    - + @@ -79,7 +75,7 @@
    @@ -119,22 +115,22 @@

    Typedefs

    typedef bool() mi_block_visit_fun(const mi_heap_t *heap, const mi_heap_area_t *area, void *block, size_t block_size, void *arg) - Visitor function passed to mi_heap_visit_blocks() More...
    + Visitor function passed to mi_heap_visit_blocks() More...
      - + - + - + - +

    Functions

    bool mi_heap_contains_block (mi_heap_t *heap, const void *p)
     Does a heap contain a pointer to a previously allocated block? More...
     Does a heap contain a pointer to a previously allocated block? More...
     
    bool mi_heap_check_owned (mi_heap_t *heap, const void *p)
     Check safely if any pointer is part of a heap. More...
     Check safely if any pointer is part of a heap. More...
     
    bool mi_check_owned (const void *p)
     Check safely if any pointer is part of the default heap of this thread. More...
     Check safely if any pointer is part of the default heap of this thread. More...
     
    bool mi_heap_visit_blocks (const mi_heap_t *heap, bool visit_all_blocks, mi_block_visit_fun *visitor, void *arg)
     Visit all areas and blocks in a heap. More...
     Visit all areas and blocks in a heap. More...
     

    Detailed Description

    @@ -376,9 +372,7 @@

    diff --git a/docs/group__cpp.html b/docs/group__cpp.html index 88c758880..e81179feb 100644 --- a/docs/group__cpp.html +++ b/docs/group__cpp.html @@ -3,7 +3,7 @@ - + mi-malloc: C++ wrappers @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -118,25 +114,25 @@

    Functions

    void * mi_new (std::size_t n) noexcept(false) - like mi_malloc(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
    + like mi_malloc(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
      void * mi_new_n (size_t count, size_t size) noexcept(false) - like mi_mallocn(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
    + like mi_mallocn(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
      void * mi_new_aligned (std::size_t n, std::align_val_t alignment) noexcept(false) - like mi_malloc_aligned(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
    + like mi_malloc_aligned(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
      void * mi_new_nothrow (size_t n) - like mi_malloc, but when out of memory, use std::get_new_handler but return NULL on failure. More...
    + like mi_malloc, but when out of memory, use std::get_new_handler but return NULL on failure. More...
      void * mi_new_aligned_nothrow (size_t n, size_t alignment) - like mi_malloc_aligned, but when out of memory, use std::get_new_handler but return NULL on failure. More...
    + like mi_malloc_aligned, but when out of memory, use std::get_new_handler but return NULL on failure. More...
      void * mi_new_realloc (void *p, size_t newsize) - like mi_realloc(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
    + like mi_realloc(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
      void * mi_new_reallocn (void *p, size_t newcount, size_t size) - like mi_reallocn(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
    + like mi_reallocn(), but when out of memory, use std::get_new_handler and raise std::bad_alloc exception on failure. More...
     

    Detailed Description

    @@ -158,7 +154,10 @@

    std::allocator implementation for mimalloc for use in STL containers.

    -

    For example:

    std::vector<int, mi_stl_allocator<int> > vec;
    vec.push_back(1);
    vec.pop_back();

    +

    For example:

    std::vector<int, mi_stl_allocator<int> > vec;
    +
    vec.push_back(1);
    +
    vec.pop_back();
    +

    Function Documentation

    @@ -387,9 +386,7 @@

    diff --git a/docs/group__extended.html b/docs/group__extended.html index 12e51cbb6..e54991180 100644 --- a/docs/group__extended.html +++ b/docs/group__extended.html @@ -3,7 +3,7 @@ - + mi-malloc: Extended Functions @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -113,82 +109,88 @@

    Macros

    #define MI_SMALL_SIZE_MAX - Maximum size allowed for small allocations in mi_malloc_small and mi_zalloc_small (usually 128*sizeof(void*) (= 1KB on 64-bit systems)) More...
    + Maximum size allowed for small allocations in mi_malloc_small and mi_zalloc_small (usually 128*sizeof(void*) (= 1KB on 64-bit systems)) More...
      - + - + - +

    Typedefs

    typedef void() mi_deferred_free_fun(bool force, unsigned long long heartbeat, void *arg)
     Type of deferred free functions. More...
     Type of deferred free functions. More...
     
    typedef void() mi_output_fun(const char *msg, void *arg)
     Type of output functions. More...
     Type of output functions. More...
     
    typedef void() mi_error_fun(int err, void *arg)
     Type of error callback functions. More...
     Type of error callback functions. More...
     
    - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + + + + + + + - + - + - + - +

    Functions

    void * mi_malloc_small (size_t size)
     Allocate a small object. More...
     Allocate a small object. More...
     
    void * mi_zalloc_small (size_t size)
     Allocate a zero initialized small object. More...
     Allocate a zero initialized small object. More...
     
    size_t mi_usable_size (void *p)
     Return the available bytes in a memory block. More...
     Return the available bytes in a memory block. More...
     
    size_t mi_good_size (size_t size)
     Return the used allocation size. More...
     Return the used allocation size. More...
     
    void mi_collect (bool force)
     Eagerly free memory. More...
     Eagerly free memory. More...
     
    void mi_stats_print (void *out)
     Deprecated. More...
     Deprecated. More...
     
    void mi_stats_print_out (mi_output_fun *out, void *arg)
     Print the main statistics. More...
     Print the main statistics. More...
     
    void mi_stats_reset (void)
     Reset statistics. More...
     Reset statistics. More...
     
    void mi_stats_merge (void)
     Merge thread local statistics with the main statistics and reset. More...
     Merge thread local statistics with the main statistics and reset. More...
     
    void mi_thread_init (void)
     Initialize mimalloc on a thread. More...
     Initialize mimalloc on a thread. More...
     
    void mi_thread_done (void)
     Uninitialize mimalloc on a thread. More...
     Uninitialize mimalloc on a thread. More...
     
    void mi_thread_stats_print_out (mi_output_fun *out, void *arg)
     Print out heap statistics for this thread. More...
     Print out heap statistics for this thread. More...
     
    void mi_register_deferred_free (mi_deferred_free_fun *deferred_free, void *arg)
     Register a deferred free function. More...
     Register a deferred free function. More...
     
    void mi_register_output (mi_output_fun *out, void *arg)
     Register an output function. More...
     Register an output function. More...
     
    void mi_register_error (mi_error_fun *errfun, void *arg)
     Register an error callback function. More...
     Register an error callback function. More...
     
    bool mi_is_in_heap_region (const void *p)
     Is a pointer part of our heap? More...
     Is a pointer part of our heap? More...
     
    int mi_reserve_os_memory (size_t size, bool commit, bool allow_large)
     Reserve OS memory for use by mimalloc. More...
     
    bool mi_manage_os_memory (void *start, size_t size, bool is_committed, bool is_large, bool is_zero, int numa_node)
     Manage a particular memory area for use by mimalloc. More...
     
    int mi_reserve_huge_os_pages_interleave (size_t pages, size_t numa_nodes, size_t timeout_msecs)
     Reserve pages of huge OS pages (1GiB) evenly divided over numa_nodes nodes, but stops after at most timeout_msecs seconds. More...
     Reserve pages of huge OS pages (1GiB) evenly divided over numa_nodes nodes, but stops after at most timeout_msecs seconds. More...
     
    int mi_reserve_huge_os_pages_at (size_t pages, int numa_node, size_t timeout_msecs)
     Reserve pages of huge OS pages (1GiB) at a specific numa_node, but stops after at most timeout_msecs seconds. More...
     Reserve pages of huge OS pages (1GiB) at a specific numa_node, but stops after at most timeout_msecs seconds. More...
     
    bool mi_is_redirected ()
     Is the C runtime malloc API redirected? More...
     Is the C runtime malloc API redirected? More...
     
    void mi_process_info (size_t *elapsed_msecs, size_t *user_msecs, size_t *system_msecs, size_t *current_rss, size_t *peak_rss, size_t *current_commit, size_t *peak_commit, size_t *page_faults)
     Return process information (time and memory usage). More...
     Return process information (time and memory usage). More...
     

    Detailed Description

    @@ -414,6 +416,72 @@

    Returns
    a pointer to newly allocated memory of at least size bytes, or NULL if out of memory. This function is meant for use in run-time systems for best performance and does not check if size was indeed small – use with care!
    +

    + + +

    ◆ mi_manage_os_memory()

    + +
    +
    + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
    bool mi_manage_os_memory (void * start,
    size_t size,
    bool is_committed,
    bool is_large,
    bool is_zero,
    int numa_node 
    )
    +
    + +

    Manage a particular memory area for use by mimalloc.

    +

    This is just like mi_reserve_os_memory except that the area should already be allocated in some manner and available for use my mimalloc.

    Parameters
    + + + + + + + +
    startStart of the memory area
    sizeThe size of the memory area.
    commitIs the area already committed?
    is_largeDoes it consist of large OS pages? Set this to true as well for memory that should not be decommitted or protected (like rdma etc.)
    is_zeroDoes the area consists of zero's?
    numa_nodePossible associated numa node or -1.
    +
    +
    +
    Returns
    true if successful, and false on error.
    +
    @@ -706,6 +774,51 @@

    Returns
    0 if successfull, ENOMEM if running out of memory, or ETIMEDOUT if timed out.

    The reserved memory is used by mimalloc to satisfy allocations. May quit before timeout_msecs are expired if it estimates it will take more than 1.5 times timeout_msecs. The time limit is needed because on some operating systems it can take a long time to reserve contiguous memory if the physical memory is fragmented.

    + + +     +

    ◆ mi_reserve_os_memory()

    + +
    +
    + + + + + + + + + + + + + + + + + + + + + + + + +
    int mi_reserve_os_memory (size_t size,
    bool commit,
    bool allow_large 
    )
    +
    + +

    Reserve OS memory for use by mimalloc.

    +

    Reserved areas are used before allocating from the OS again. By reserving a large area upfront, allocation can be more efficient, and can be better managed on systems without mmap/VirtualAlloc (like WASM for example).

    Parameters
    + + + + +
    sizeThe size to reserve.
    commitCommit the memory upfront.
    allow_largeAllow large OS pages (2MiB) to be used?
    +
    +
    +
    Returns
    0 if successful, and an error code otherwise (e.g. ENOMEM).
    +
    @@ -958,9 +1071,7 @@

    diff --git a/docs/group__extended.js b/docs/group__extended.js index ed4a8b46f..c217aaca7 100644 --- a/docs/group__extended.js +++ b/docs/group__extended.js @@ -9,12 +9,14 @@ var group__extended = [ "mi_is_in_heap_region", "group__extended.html#ga5f071b10d4df1c3658e04e7fd67a94e6", null ], [ "mi_is_redirected", "group__extended.html#gaad25050b19f30cd79397b227e0157a3f", null ], [ "mi_malloc_small", "group__extended.html#ga7136c2e55cb22c98ecf95d08d6debb99", null ], + [ "mi_manage_os_memory", "group__extended.html#ga4c6486a1fdcd7a423b5f25fe4be8e0cf", null ], [ "mi_process_info", "group__extended.html#ga7d862c2affd5790381da14eb102a364d", null ], [ "mi_register_deferred_free", "group__extended.html#ga3460a6ca91af97be4058f523d3cb8ece", null ], [ "mi_register_error", "group__extended.html#gaa1d55e0e894be240827e5d87ec3a1f45", null ], [ "mi_register_output", "group__extended.html#gae5b17ff027cd2150b43a33040250cf3f", null ], [ "mi_reserve_huge_os_pages_at", "group__extended.html#ga7795a13d20087447281858d2c771cca1", null ], [ "mi_reserve_huge_os_pages_interleave", "group__extended.html#ga3132f521fb756fc0e8ec0b74fb58df50", null ], + [ "mi_reserve_os_memory", "group__extended.html#ga00ec3324b6b2591c7fe3677baa30a767", null ], [ "mi_stats_merge", "group__extended.html#ga854b1de8cb067c7316286c28b2fcd3d1", null ], [ "mi_stats_print", "group__extended.html#ga2d126e5c62d3badc35445e5d84166df2", null ], [ "mi_stats_print_out", "group__extended.html#ga537f13b299ddf801e49a5a94fde02c79", null ], diff --git a/docs/group__heap.html b/docs/group__heap.html index 1a38c9361..0f21ea42c 100644 --- a/docs/group__heap.html +++ b/docs/group__heap.html @@ -3,7 +3,7 @@ - + mi-malloc: Heap Allocation @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -112,55 +108,55 @@

    Typedefs

    typedef struct mi_heap_s mi_heap_t - Type of first-class heaps. More...
    + Type of first-class heaps. More...
      - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + @@ -1071,9 +1067,7 @@

    diff --git a/docs/group__malloc.html b/docs/group__malloc.html index 224c4b088..2dc166567 100644 --- a/docs/group__malloc.html +++ b/docs/group__malloc.html @@ -3,7 +3,7 @@ - + mi-malloc: Basic Allocation @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@

    @@ -60,10 +56,10 @@

    Functions

    mi_heap_t * mi_heap_new ()
     Create a new heap that can be used for allocation. More...
     Create a new heap that can be used for allocation. More...
     
    void mi_heap_delete (mi_heap_t *heap)
     Delete a previously allocated heap. More...
     Delete a previously allocated heap. More...
     
    void mi_heap_destroy (mi_heap_t *heap)
     Destroy a heap, freeing all its still allocated blocks. More...
     Destroy a heap, freeing all its still allocated blocks. More...
     
    mi_heap_t * mi_heap_set_default (mi_heap_t *heap)
     Set the default heap to use for mi_malloc() et al. More...
     Set the default heap to use for mi_malloc() et al. More...
     
    mi_heap_t * mi_heap_get_default ()
     Get the default heap that is used for mi_malloc() et al. More...
     Get the default heap that is used for mi_malloc() et al. More...
     
    mi_heap_t * mi_heap_get_backing ()
     Get the backing heap. More...
     Get the backing heap. More...
     
    void mi_heap_collect (mi_heap_t *heap, bool force)
     Release outstanding resources in a specific heap. More...
     Release outstanding resources in a specific heap. More...
     
    void * mi_heap_malloc (mi_heap_t *heap, size_t size)
     Allocate in a specific heap. More...
     Allocate in a specific heap. More...
     
    void * mi_heap_malloc_small (mi_heap_t *heap, size_t size)
     Allocate a small object in a specific heap. More...
     Allocate a small object in a specific heap. More...
     
    void * mi_heap_zalloc (mi_heap_t *heap, size_t size)
     Allocate zero-initialized in a specific heap. More...
     Allocate zero-initialized in a specific heap. More...
     
    void * mi_heap_calloc (mi_heap_t *heap, size_t count, size_t size)
     Allocate count zero-initialized elements in a specific heap. More...
     Allocate count zero-initialized elements in a specific heap. More...
     
    void * mi_heap_mallocn (mi_heap_t *heap, size_t count, size_t size)
     Allocate count elements in a specific heap. More...
     Allocate count elements in a specific heap. More...
     
    char * mi_heap_strdup (mi_heap_t *heap, const char *s)
     Duplicate a string in a specific heap. More...
     Duplicate a string in a specific heap. More...
     
    char * mi_heap_strndup (mi_heap_t *heap, const char *s, size_t n)
     Duplicate a string of at most length n in a specific heap. More...
     Duplicate a string of at most length n in a specific heap. More...
     
    char * mi_heap_realpath (mi_heap_t *heap, const char *fname, char *resolved_name)
     Resolve a file path name using a specific heap to allocate the result. More...
     Resolve a file path name using a specific heap to allocate the result. More...
     
    void * mi_heap_realloc (mi_heap_t *heap, void *p, size_t newsize)
     
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    - + @@ -79,7 +75,7 @@
    @@ -111,43 +107,43 @@

    Functions

    void mi_free (void *p) - Free previously allocated memory. More...
    + Free previously allocated memory. More...
      void * mi_malloc (size_t size) - Allocate size bytes. More...
    + Allocate size bytes. More...
      void * mi_zalloc (size_t size) - Allocate zero-initialized size bytes. More...
    + Allocate zero-initialized size bytes. More...
      void * mi_calloc (size_t count, size_t size) - Allocate zero-initialized count elements of size bytes. More...
    + Allocate zero-initialized count elements of size bytes. More...
      void * mi_realloc (void *p, size_t newsize) - Re-allocate memory to newsize bytes. More...
    + Re-allocate memory to newsize bytes. More...
      void * mi_recalloc (void *p, size_t count, size_t size) - Re-allocate memory to count elements of size bytes, with extra memory initialized to zero. More...
    + Re-allocate memory to count elements of size bytes, with extra memory initialized to zero. More...
      void * mi_expand (void *p, size_t newsize) - Try to re-allocate memory to newsize bytes in place. More...
    + Try to re-allocate memory to newsize bytes in place. More...
      void * mi_mallocn (size_t count, size_t size) - Allocate count elements of size bytes. More...
    + Allocate count elements of size bytes. More...
      void * mi_reallocn (void *p, size_t count, size_t size) - Re-allocate memory to count elements of size bytes. More...
    + Re-allocate memory to count elements of size bytes. More...
      void * mi_reallocf (void *p, size_t newsize) - Re-allocate memory to newsize bytes,. More...
    + Re-allocate memory to newsize bytes,. More...
      char * mi_strdup (const char *s) - Allocate and duplicate a string. More...
    + Allocate and duplicate a string. More...
      char * mi_strndup (const char *s, size_t n) - Allocate and duplicate a string up to n bytes. More...
    + Allocate and duplicate a string up to n bytes. More...
      char * mi_realpath (const char *fname, char *resolved_name) - Resolve a file path name. More...
    + Resolve a file path name. More...
     

    Detailed Description

    @@ -635,9 +631,7 @@

    diff --git a/docs/group__options.html b/docs/group__options.html index 9425765ed..f92905d42 100644 --- a/docs/group__options.html +++ b/docs/group__options.html @@ -3,7 +3,7 @@ - + mi-malloc: Runtime Options @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -112,25 +108,27 @@

    Enumerations

    enum  mi_option_t {
    -  mi_option_show_errors, -mi_option_show_stats, -mi_option_verbose, -mi_option_eager_commit, -
    -  mi_option_eager_region_commit, -mi_option_large_os_pages, -mi_option_reserve_huge_os_pages, -mi_option_segment_cache, -
    -  mi_option_page_reset, -mi_option_segment_reset, -mi_option_reset_delay, -mi_option_use_numa_nodes, -
    -  mi_option_reset_decommits, -mi_option_eager_commit_delay, -mi_option_os_tag, -_mi_option_last +  mi_option_show_errors +, mi_option_show_stats +, mi_option_verbose +, mi_option_eager_commit +,
    +  mi_option_eager_region_commit +, mi_option_large_os_pages +, mi_option_reserve_huge_os_pages +, mi_option_reserve_huge_os_pages_at +,
    +  mi_option_segment_cache +, mi_option_page_reset +, mi_option_segment_reset +, mi_option_reset_delay +,
    +  mi_option_use_numa_nodes +, mi_option_reset_decommits +, mi_option_eager_commit_delay +, mi_option_os_tag +,
    +  _mi_option_last
    }  Runtime options. More...
    @@ -186,6 +184,8 @@

    mi_option_reserve_huge_os_pages 

    The number of huge OS pages (1GiB in size) to reserve at the start of the program.

    +mi_option_reserve_huge_os_pages_at 

    Reserve huge OS pages at node N.

    + mi_option_segment_cache 

    The number of segments per thread to keep cached.

    mi_option_page_reset 

    Reset page memory after mi_option_reset_delay milliseconds when it becomes free.

    @@ -397,9 +397,7 @@

    diff --git a/docs/group__options.js b/docs/group__options.js index 9aaf23180..c8836cdc1 100644 --- a/docs/group__options.js +++ b/docs/group__options.js @@ -8,6 +8,7 @@ var group__options = [ "mi_option_eager_region_commit", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884ca32ce97ece29f69e82579679cf8a307ad", null ], [ "mi_option_large_os_pages", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884ca4192d491200d0055df0554d4cf65054e", null ], [ "mi_option_reserve_huge_os_pages", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884caca7ed041be3b0b9d0b82432c7bf41af2", null ], + [ "mi_option_reserve_huge_os_pages_at", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884caa13e7926d4339d2aa6fbf61d4473fd5c", null ], [ "mi_option_segment_cache", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884ca2ecbe7ef32f5c84de3739aa4f0b805a1", null ], [ "mi_option_page_reset", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884cada854dd272c66342f18a93ee254a2968", null ], [ "mi_option_segment_reset", "group__options.html#ggafebf7ed116adb38ae5218bc3ce06884cafb121d30d87591850d5410ccc3a95c6d", null ], diff --git a/docs/group__posix.html b/docs/group__posix.html index fe3a88e1d..539f7ec68 100644 --- a/docs/group__posix.html +++ b/docs/group__posix.html @@ -3,7 +3,7 @@ - + mi-malloc: Posix @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -115,7 +111,7 @@ size_t mi_malloc_usable_size (const void *p)   void mi_cfree (void *p) - Just as free but also checks if the pointer p belongs to our heap. More...
    + Just as free but also checks if the pointer p belongs to our heap. More...
      int mi_posix_memalign (void **p, size_t alignment, size_t size)   @@ -130,7 +126,11 @@ void * mi_aligned_alloc (size_t alignment, size_t size)   void * mi_reallocarray (void *p, size_t count, size_t size) + Correspond s to reallocarray in FreeBSD. More...
      +int mi_reallocarr (void *p, size_t count, size_t size) + Corresponds to reallocarr in NetBSD. More...
    +  void mi_free_size (void *p, size_t size)   void mi_free_size_aligned (void *p, size_t size, size_t alignment) @@ -428,6 +428,42 @@

    +

    + + +

    ◆ mi_reallocarr()

    + +
    +
    + + + + + + + + + + + + + + + + + + + + + + + + +
    int mi_reallocarr (void * p,
    size_t count,
    size_t size 
    )
    +
    + +

    Corresponds to reallocarr in NetBSD.

    +
    @@ -462,6 +498,8 @@

    +

    Correspond s to reallocarray in FreeBSD.

    + @@ -487,9 +525,7 @@

    diff --git a/docs/group__posix.js b/docs/group__posix.js index e43453d9f..50c248c80 100644 --- a/docs/group__posix.js +++ b/docs/group__posix.js @@ -11,6 +11,7 @@ var group__posix = [ "mi_memalign", "group__posix.html#gaab7fa71ea93b96873f5d9883db57d40e", null ], [ "mi_posix_memalign", "group__posix.html#gacff84f226ba9feb2031b8992e5579447", null ], [ "mi_pvalloc", "group__posix.html#gaeb325c39b887d3b90d85d1eb1712fb1e", null ], + [ "mi_reallocarr", "group__posix.html#ga7e1934d60a3e697950eeb48e042bfad5", null ], [ "mi_reallocarray", "group__posix.html#ga48fad8648a2f1dab9c87ea9448a52088", null ], [ "mi_valloc", "group__posix.html#ga73baaf5951f5165ba0763d0c06b6a93b", null ] ]; \ No newline at end of file diff --git a/docs/group__typed.html b/docs/group__typed.html index 5cbfbd6b0..c19c7f4ad 100644 --- a/docs/group__typed.html +++ b/docs/group__typed.html @@ -3,7 +3,7 @@ - + mi-malloc: Typed Macros @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -111,42 +107,44 @@

    Macros

    #define mi_malloc_tp(tp) - Allocate a block of type tp. More...
    + Allocate a block of type tp. More...
      #define mi_zalloc_tp(tp) - Allocate a zero-initialized block of type tp. More...
    + Allocate a zero-initialized block of type tp. More...
      #define mi_calloc_tp(tp, count) - Allocate count zero-initialized blocks of type tp. More...
    + Allocate count zero-initialized blocks of type tp. More...
      #define mi_mallocn_tp(tp, count) - Allocate count blocks of type tp. More...
    + Allocate count blocks of type tp. More...
      #define mi_reallocn_tp(p, tp, count) - Re-allocate to count blocks of type tp. More...
    + Re-allocate to count blocks of type tp. More...
      #define mi_heap_malloc_tp(hp, tp) - Allocate a block of type tp in a heap hp. More...
    + Allocate a block of type tp in a heap hp. More...
      #define mi_heap_zalloc_tp(hp, tp) - Allocate a zero-initialized block of type tp in a heap hp. More...
    + Allocate a zero-initialized block of type tp in a heap hp. More...
      #define mi_heap_calloc_tp(hp, tp, count) - Allocate count zero-initialized blocks of type tp in a heap hp. More...
    + Allocate count zero-initialized blocks of type tp in a heap hp. More...
      #define mi_heap_mallocn_tp(hp, tp, count) - Allocate count blocks of type tp in a heap hp. More...
    + Allocate count blocks of type tp in a heap hp. More...
      #define mi_heap_reallocn_tp(hp, p, tp, count) - Re-allocate to count blocks of type tp in a heap hp. More...
    + Re-allocate to count blocks of type tp in a heap hp. More...
      #define mi_heap_recalloc_tp(hp, p, tp, count) - Re-allocate to count zero initialized blocks of type tp in a heap hp. More...
    + Re-allocate to count zero initialized blocks of type tp in a heap hp. More...
     

    Detailed Description

    Typed allocation macros.

    -

    For example:

    int* p = mi_malloc_tp(int)

    Macro Definition Documentation

    +

    For example:

    int* p = mi_malloc_tp(int)
    +
    mi_malloc_tp
    #define mi_malloc_tp(tp)
    Allocate a block of type tp.
    Definition: mimalloc-doc.h:692
    +

    Macro Definition Documentation

    ◆ mi_calloc_tp

    @@ -417,7 +415,8 @@

    Returns
    A pointer to an object of type tp, or NULL if out of memory.
    -

    Example:

    int* p = mi_malloc_tp(int)
    See also
    mi_malloc()
    +

    Example:

    int* p = mi_malloc_tp(int)
    +
    See also
    mi_malloc()

    @@ -512,9 +511,7 @@

    diff --git a/docs/group__zeroinit.html b/docs/group__zeroinit.html index 3c04a5a63..329a7739d 100644 --- a/docs/group__zeroinit.html +++ b/docs/group__zeroinit.html @@ -3,7 +3,7 @@ - + mi-malloc: Zero initialized re-allocation @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -588,9 +584,7 @@

    diff --git a/docs/index.html b/docs/index.html index 01af9becd..2ea91215e 100644 --- a/docs/index.html +++ b/docs/index.html @@ -3,7 +3,7 @@ - + mi-malloc: Main Page @@ -13,10 +13,6 @@ - @@ -37,12 +33,12 @@ Logo
    mi-malloc -  1.6 +  1.7/2.0
    - @@ -51,7 +47,7 @@ onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> - +
    @@ -60,10 +56,10 @@ - + @@ -79,7 +75,7 @@
    @@ -103,13 +99,14 @@

    This is the API documentation of the mimalloc allocator (pronounced "me-malloc") – a general purpose allocator with excellent performance characteristics. Initially developed by Daan Leijen for the run-time systems of the Koka and Lean languages.

    -

    It is a drop-in replacement for malloc and can be used in other programs without code changes, for example, on Unix you can use it as:

    > LD_PRELOAD=/usr/bin/libmimalloc.so myprogram

    Notable aspects of the design include:

    +

    It is a drop-in replacement for malloc and can be used in other programs without code changes, for example, on Unix you can use it as:

    > LD_PRELOAD=/usr/bin/libmimalloc.so myprogram
    +

    Notable aspects of the design include:

    • small and consistent: the library is about 8k LOC using simple and consistent data structures. This makes it very suitable to integrate and adapt in other projects. For runtime systems it provides hooks for a monotonic heartbeat and deferred freeing (for bounded worst-case times with reference counting).
    • free list sharding: instead of one big free list (per size class) we have many smaller lists per "mimalloc page" which reduces fragmentation and increases locality – things that are allocated close in time get allocated close in memory. (A mimalloc page contains blocks of one size class and is usually 64KiB on a 64-bit system).
    • free list multi-sharding: the big idea! Not only do we shard the free list per mimalloc page, but for each page we have multiple free lists. In particular, there is one list for thread-local free operations, and another one for concurrent free operations. Free-ing from another thread can now be a single CAS without needing sophisticated coordination between threads. Since there will be thousands of separate free lists, contention is naturally distributed over the heap, and the chance of contending on a single location will be low – this is quite similar to randomized algorithms like skip lists where adding a random oracle removes the need for a more complex algorithm.
    • eager page reset: when a "page" becomes empty (with increased chance due to free list sharding) the memory is marked to the OS as unused ("reset" or "purged") reducing (real) memory pressure and fragmentation, especially in long running programs.
      • -
    • secure: mimalloc can be build in secure mode, adding guard pages, randomized allocation, encrypted free lists, etc. to protect against various heap vulnerabilities. The performance penalty is only around 3% on average over our benchmarks.
      • +
    • secure: mimalloc can be build in secure mode, adding guard pages, randomized allocation, encrypted free lists, etc. to protect against various heap vulnerabilities. The performance penalty is only around 5% on average over our benchmarks.
    • first-class heaps: efficiently create and use multiple heaps to allocate across different regions. A heap can be destroyed at once instead of deallocating each object separately.
    • bounded: it does not suffer from blowup [1], has bounded worst-case allocation times (wcat), bounded space overhead (~0.2% meta-data, with at most 12.5% waste in allocation sizes), and has no internal points of contention using only atomic operations.
    • fast: In our benchmarks (see below), mimalloc outperforms all other leading allocators (jemalloc, tcmalloc, Hoard, etc), and usually uses less memory (up to 25% more in the worst case). A nice property is that it does consistently well over a wide range of benchmarks.
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http://jquery.org/license - * - * http://docs.jquery.com/UI/Mouse - * - * Depends: - * jquery.ui.widget.js - */ -(function(b,c){var a=false;b(document).mouseup(function(d){a=false});b.widget("ui.mouse",{options:{cancel:":input,option",distance:1,delay:0},_mouseInit:function(){var d=this;this.element.bind("mousedown."+this.widgetName,function(e){return d._mouseDown(e)}).bind("click."+this.widgetName,function(e){if(true===b.data(e.target,d.widgetName+".preventClickEvent")){b.removeData(e.target,d.widgetName+".preventClickEvent");e.stopImmediatePropagation();return false}});this.started=false},_mouseDestroy:function(){this.element.unbind("."+this.widgetName)},_mouseDown:function(f){if(a){return}(this._mouseStarted&&this._mouseUp(f));this._mouseDownEvent=f;var e=this,g=(f.which==1),d=(typeof this.options.cancel=="string"&&f.target.nodeName?b(f.target).closest(this.options.cancel).length:false);if(!g||d||!this._mouseCapture(f)){return true}this.mouseDelayMet=!this.options.delay;if(!this.mouseDelayMet){this._mouseDelayTimer=setTimeout(function(){e.mouseDelayMet=true},this.options.delay)}if(this._mouseDistanceMet(f)&&this._mouseDelayMet(f)){this._mouseStarted=(this._mouseStart(f)!==false);if(!this._mouseStarted){f.preventDefault();return true}}if(true===b.data(f.target,this.widgetName+".preventClickEvent")){b.removeData(f.target,this.widgetName+".preventClickEvent")}this._mouseMoveDelegate=function(h){return e._mouseMove(h)};this._mouseUpDelegate=function(h){return e._mouseUp(h)};b(document).bind("mousemove."+this.widgetName,this._mouseMoveDelegate).bind("mouseup."+this.widgetName,this._mouseUpDelegate);f.preventDefault();a=true;return true},_mouseMove:function(d){if(b.browser.msie&&!(document.documentMode>=9)&&!d.button){return this._mouseUp(d)}if(this._mouseStarted){this._mouseDrag(d);return d.preventDefault()}if(this._mouseDistanceMet(d)&&this._mouseDelayMet(d)){this._mouseStarted=(this._mouseStart(this._mouseDownEvent,d)!==false);(this._mouseStarted?this._mouseDrag(d):this._mouseUp(d))}return !this._mouseStarted},_mouseUp:function(d){b(document).unbind("mousemove."+this.widgetName,this._mouseMoveDelegate).unbind("mouseup."+this.widgetName,this._mouseUpDelegate);if(this._mouseStarted){this._mouseStarted=false;if(d.target==this._mouseDownEvent.target){b.data(d.target,this.widgetName+".preventClickEvent",true)}this._mouseStop(d)}return false},_mouseDistanceMet:function(d){return(Math.max(Math.abs(this._mouseDownEvent.pageX-d.pageX),Math.abs(this._mouseDownEvent.pageY-d.pageY))>=this.options.distance)},_mouseDelayMet:function(d){return this.mouseDelayMet},_mouseStart:function(d){},_mouseDrag:function(d){},_mouseStop:function(d){},_mouseCapture:function(d){return true}})})(jQuery);(function(c,d){c.widget("ui.resizable",c.ui.mouse,{widgetEventPrefix:"resize",options:{alsoResize:false,animate:false,animateDuration:"slow",animateEasing:"swing",aspectRatio:false,autoHide:false,containment:false,ghost:false,grid:false,handles:"e,s,se",helper:false,maxHeight:null,maxWidth:null,minHeight:10,minWidth:10,zIndex:1000},_create:function(){var f=this,k=this.options;this.element.addClass("ui-resizable");c.extend(this,{_aspectRatio:!!(k.aspectRatio),aspectRatio:k.aspectRatio,originalElement:this.element,_proportionallyResizeElements:[],_helper:k.helper||k.ghost||k.animate?k.helper||"ui-resizable-helper":null});if(this.element[0].nodeName.match(/canvas|textarea|input|select|button|img/i)){this.element.wrap(c('
      ').css({position:this.element.css("position"),width:this.element.outerWidth(),height:this.element.outerHeight(),top:this.element.css("top"),left:this.element.css("left")}));this.element=this.element.parent().data("resizable",this.element.data("resizable"));this.elementIsWrapper=true;this.element.css({marginLeft:this.originalElement.css("marginLeft"),marginTop:this.originalElement.css("marginTop"),marginRight:this.originalElement.css("marginRight"),marginBottom:this.originalElement.css("marginBottom")});this.originalElement.css({marginLeft:0,marginTop:0,marginRight:0,marginBottom:0});this.originalResizeStyle=this.originalElement.css("resize");this.originalElement.css("resize","none");this._proportionallyResizeElements.push(this.originalElement.css({position:"static",zoom:1,display:"block"}));this.originalElement.css({margin:this.originalElement.css("margin")});this._proportionallyResize()}this.handles=k.handles||(!c(".ui-resizable-handle",this.element).length?"e,s,se":{n:".ui-resizable-n",e:".ui-resizable-e",s:".ui-resizable-s",w:".ui-resizable-w",se:".ui-resizable-se",sw:".ui-resizable-sw",ne:".ui-resizable-ne",nw:".ui-resizable-nw"});if(this.handles.constructor==String){if(this.handles=="all"){this.handles="n,e,s,w,se,sw,ne,nw"}var l=this.handles.split(",");this.handles={};for(var g=0;g
      ');if(/sw|se|ne|nw/.test(j)){h.css({zIndex:++k.zIndex})}if("se"==j){h.addClass("ui-icon ui-icon-gripsmall-diagonal-se")}this.handles[j]=".ui-resizable-"+j;this.element.append(h)}}this._renderAxis=function(q){q=q||this.element;for(var n in this.handles){if(this.handles[n].constructor==String){this.handles[n]=c(this.handles[n],this.element).show()}if(this.elementIsWrapper&&this.originalElement[0].nodeName.match(/textarea|input|select|button/i)){var o=c(this.handles[n],this.element),p=0;p=/sw|ne|nw|se|n|s/.test(n)?o.outerHeight():o.outerWidth();var m=["padding",/ne|nw|n/.test(n)?"Top":/se|sw|s/.test(n)?"Bottom":/^e$/.test(n)?"Right":"Left"].join("");q.css(m,p);this._proportionallyResize()}if(!c(this.handles[n]).length){continue}}};this._renderAxis(this.element);this._handles=c(".ui-resizable-handle",this.element).disableSelection();this._handles.mouseover(function(){if(!f.resizing){if(this.className){var i=this.className.match(/ui-resizable-(se|sw|ne|nw|n|e|s|w)/i)}f.axis=i&&i[1]?i[1]:"se"}});if(k.autoHide){this._handles.hide();c(this.element).addClass("ui-resizable-autohide").hover(function(){if(k.disabled){return}c(this).removeClass("ui-resizable-autohide");f._handles.show()},function(){if(k.disabled){return}if(!f.resizing){c(this).addClass("ui-resizable-autohide");f._handles.hide()}})}this._mouseInit()},destroy:function(){this._mouseDestroy();var e=function(g){c(g).removeClass("ui-resizable ui-resizable-disabled ui-resizable-resizing").removeData("resizable").unbind(".resizable").find(".ui-resizable-handle").remove()};if(this.elementIsWrapper){e(this.element);var f=this.element;f.after(this.originalElement.css({position:f.css("position"),width:f.outerWidth(),height:f.outerHeight(),top:f.css("top"),left:f.css("left")})).remove()}this.originalElement.css("resize",this.originalResizeStyle);e(this.originalElement);return this},_mouseCapture:function(f){var g=false;for(var e in this.handles){if(c(this.handles[e])[0]==f.target){g=true}}return !this.options.disabled&&g},_mouseStart:function(g){var j=this.options,f=this.element.position(),e=this.element;this.resizing=true;this.documentScroll={top:c(document).scrollTop(),left:c(document).scrollLeft()};if(e.is(".ui-draggable")||(/absolute/).test(e.css("position"))){e.css({position:"absolute",top:f.top,left:f.left})}this._renderProxy();var k=b(this.helper.css("left")),h=b(this.helper.css("top"));if(j.containment){k+=c(j.containment).scrollLeft()||0;h+=c(j.containment).scrollTop()||0}this.offset=this.helper.offset();this.position={left:k,top:h};this.size=this._helper?{width:e.outerWidth(),height:e.outerHeight()}:{width:e.width(),height:e.height()};this.originalSize=this._helper?{width:e.outerWidth(),height:e.outerHeight()}:{width:e.width(),height:e.height()};this.originalPosition={left:k,top:h};this.sizeDiff={width:e.outerWidth()-e.width(),height:e.outerHeight()-e.height()};this.originalMousePosition={left:g.pageX,top:g.pageY};this.aspectRatio=(typeof j.aspectRatio=="number")?j.aspectRatio:((this.originalSize.width/this.originalSize.height)||1);var i=c(".ui-resizable-"+this.axis).css("cursor");c("body").css("cursor",i=="auto"?this.axis+"-resize":i);e.addClass("ui-resizable-resizing");this._propagate("start",g);return true},_mouseDrag:function(e){var h=this.helper,g=this.options,m={},q=this,j=this.originalMousePosition,n=this.axis;var r=(e.pageX-j.left)||0,p=(e.pageY-j.top)||0;var i=this._change[n];if(!i){return false}var l=i.apply(this,[e,r,p]),k=c.browser.msie&&c.browser.version<7,f=this.sizeDiff;this._updateVirtualBoundaries(e.shiftKey);if(this._aspectRatio||e.shiftKey){l=this._updateRatio(l,e)}l=this._respectSize(l,e);this._propagate("resize",e);h.css({top:this.position.top+"px",left:this.position.left+"px",width:this.size.width+"px",height:this.size.height+"px"});if(!this._helper&&this._proportionallyResizeElements.length){this._proportionallyResize()}this._updateCache(l);this._trigger("resize",e,this.ui());return false},_mouseStop:function(h){this.resizing=false;var i=this.options,m=this;if(this._helper){var g=this._proportionallyResizeElements,e=g.length&&(/textarea/i).test(g[0].nodeName),f=e&&c.ui.hasScroll(g[0],"left")?0:m.sizeDiff.height,k=e?0:m.sizeDiff.width;var n={width:(m.helper.width()-k),height:(m.helper.height()-f)},j=(parseInt(m.element.css("left"),10)+(m.position.left-m.originalPosition.left))||null,l=(parseInt(m.element.css("top"),10)+(m.position.top-m.originalPosition.top))||null;if(!i.animate){this.element.css(c.extend(n,{top:l,left:j}))}m.helper.height(m.size.height);m.helper.width(m.size.width);if(this._helper&&!i.animate){this._proportionallyResize()}}c("body").css("cursor","auto");this.element.removeClass("ui-resizable-resizing");this._propagate("stop",h);if(this._helper){this.helper.remove()}return false},_updateVirtualBoundaries:function(g){var j=this.options,i,h,f,k,e;e={minWidth:a(j.minWidth)?j.minWidth:0,maxWidth:a(j.maxWidth)?j.maxWidth:Infinity,minHeight:a(j.minHeight)?j.minHeight:0,maxHeight:a(j.maxHeight)?j.maxHeight:Infinity};if(this._aspectRatio||g){i=e.minHeight*this.aspectRatio;f=e.minWidth/this.aspectRatio;h=e.maxHeight*this.aspectRatio;k=e.maxWidth/this.aspectRatio;if(i>e.minWidth){e.minWidth=i}if(f>e.minHeight){e.minHeight=f}if(hl.width),s=a(l.height)&&i.minHeight&&(i.minHeight>l.height);if(h){l.width=i.minWidth}if(s){l.height=i.minHeight}if(t){l.width=i.maxWidth}if(m){l.height=i.maxHeight}var f=this.originalPosition.left+this.originalSize.width,p=this.position.top+this.size.height;var k=/sw|nw|w/.test(q),e=/nw|ne|n/.test(q);if(h&&k){l.left=f-i.minWidth}if(t&&k){l.left=f-i.maxWidth}if(s&&e){l.top=p-i.minHeight}if(m&&e){l.top=p-i.maxHeight}var n=!l.width&&!l.height;if(n&&!l.left&&l.top){l.top=null}else{if(n&&!l.top&&l.left){l.left=null}}return l},_proportionallyResize:function(){var k=this.options;if(!this._proportionallyResizeElements.length){return}var g=this.helper||this.element;for(var f=0;f');var e=c.browser.msie&&c.browser.version<7,g=(e?1:0),h=(e?2:-1);this.helper.addClass(this._helper).css({width:this.element.outerWidth()+h,height:this.element.outerHeight()+h,position:"absolute",left:this.elementOffset.left-g+"px",top:this.elementOffset.top-g+"px",zIndex:++i.zIndex});this.helper.appendTo("body").disableSelection()}else{this.helper=this.element}},_change:{e:function(g,f,e){return{width:this.originalSize.width+f}},w:function(h,f,e){var j=this.options,g=this.originalSize,i=this.originalPosition;return{left:i.left+f,width:g.width-f}},n:function(h,f,e){var j=this.options,g=this.originalSize,i=this.originalPosition;return{top:i.top+e,height:g.height-e}},s:function(g,f,e){return{height:this.originalSize.height+e}},se:function(g,f,e){return c.extend(this._change.s.apply(this,arguments),this._change.e.apply(this,[g,f,e]))},sw:function(g,f,e){return c.extend(this._change.s.apply(this,arguments),this._change.w.apply(this,[g,f,e]))},ne:function(g,f,e){return c.extend(this._change.n.apply(this,arguments),this._change.e.apply(this,[g,f,e]))},nw:function(g,f,e){return c.extend(this._change.n.apply(this,arguments),this._change.w.apply(this,[g,f,e]))}},_propagate:function(f,e){c.ui.plugin.call(this,f,[e,this.ui()]);(f!="resize"&&this._trigger(f,e,this.ui()))},plugins:{},ui:function(){return{originalElement:this.originalElement,element:this.element,helper:this.helper,position:this.position,size:this.size,originalSize:this.originalSize,originalPosition:this.originalPosition}}});c.extend(c.ui.resizable,{version:"1.8.18"});c.ui.plugin.add("resizable","alsoResize",{start:function(f,g){var e=c(this).data("resizable"),i=e.options;var h=function(j){c(j).each(function(){var k=c(this);k.data("resizable-alsoresize",{width:parseInt(k.width(),10),height:parseInt(k.height(),10),left:parseInt(k.css("left"),10),top:parseInt(k.css("top"),10)})})};if(typeof(i.alsoResize)=="object"&&!i.alsoResize.parentNode){if(i.alsoResize.length){i.alsoResize=i.alsoResize[0];h(i.alsoResize)}else{c.each(i.alsoResize,function(j){h(j)})}}else{h(i.alsoResize)}},resize:function(g,i){var f=c(this).data("resizable"),j=f.options,h=f.originalSize,l=f.originalPosition;var k={height:(f.size.height-h.height)||0,width:(f.size.width-h.width)||0,top:(f.position.top-l.top)||0,left:(f.position.left-l.left)||0},e=function(m,n){c(m).each(function(){var q=c(this),r=c(this).data("resizable-alsoresize"),p={},o=n&&n.length?n:q.parents(i.originalElement[0]).length?["width","height"]:["width","height","top","left"];c.each(o,function(s,u){var t=(r[u]||0)+(k[u]||0);if(t&&t>=0){p[u]=t||null}});q.css(p)})};if(typeof(j.alsoResize)=="object"&&!j.alsoResize.nodeType){c.each(j.alsoResize,function(m,n){e(m,n)})}else{e(j.alsoResize)}},stop:function(e,f){c(this).removeData("resizable-alsoresize")}});c.ui.plugin.add("resizable","animate",{stop:function(i,n){var p=c(this).data("resizable"),j=p.options;var h=p._proportionallyResizeElements,e=h.length&&(/textarea/i).test(h[0].nodeName),f=e&&c.ui.hasScroll(h[0],"left")?0:p.sizeDiff.height,l=e?0:p.sizeDiff.width;var g={width:(p.size.width-l),height:(p.size.height-f)},k=(parseInt(p.element.css("left"),10)+(p.position.left-p.originalPosition.left))||null,m=(parseInt(p.element.css("top"),10)+(p.position.top-p.originalPosition.top))||null;p.element.animate(c.extend(g,m&&k?{top:m,left:k}:{}),{duration:j.animateDuration,easing:j.animateEasing,step:function(){var o={width:parseInt(p.element.css("width"),10),height:parseInt(p.element.css("height"),10),top:parseInt(p.element.css("top"),10),left:parseInt(p.element.css("left"),10)};if(h&&h.length){c(h[0]).css({width:o.width,height:o.height})}p._updateCache(o);p._propagate("resize",i)}})}});c.ui.plugin.add("resizable","containment",{start:function(f,r){var t=c(this).data("resizable"),j=t.options,l=t.element;var g=j.containment,k=(g instanceof c)?g.get(0):(/parent/.test(g))?l.parent().get(0):g;if(!k){return}t.containerElement=c(k);if(/document/.test(g)||g==document){t.containerOffset={left:0,top:0};t.containerPosition={left:0,top:0};t.parentData={element:c(document),left:0,top:0,width:c(document).width(),height:c(document).height()||document.body.parentNode.scrollHeight}}else{var n=c(k),i=[];c(["Top","Right","Left","Bottom"]).each(function(p,o){i[p]=b(n.css("padding"+o))});t.containerOffset=n.offset();t.containerPosition=n.position();t.containerSize={height:(n.innerHeight()-i[3]),width:(n.innerWidth()-i[1])};var q=t.containerOffset,e=t.containerSize.height,m=t.containerSize.width,h=(c.ui.hasScroll(k,"left")?k.scrollWidth:m),s=(c.ui.hasScroll(k)?k.scrollHeight:e);t.parentData={element:k,left:q.left,top:q.top,width:h,height:s}}},resize:function(g,q){var 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