From e80601b216f2525821e4ff85737c5072749fa668 Mon Sep 17 00:00:00 2001
From: Enrico Seiler <enrico.seiler@hotmail.de>
Date: Fri, 13 Dec 2024 17:00:37 +0100
Subject: [PATCH] [INFRA] Use SDE to emulate AVX512 in tests

---
 test/unit/CMakeLists.txt      | 13 +++++--------
 test/unit/hibf/CMakeLists.txt | 17 +++++++++++++++--
 2 files changed, 20 insertions(+), 10 deletions(-)

diff --git a/test/unit/CMakeLists.txt b/test/unit/CMakeLists.txt
index 5f91a718..09b5af49 100644
--- a/test/unit/CMakeLists.txt
+++ b/test/unit/CMakeLists.txt
@@ -12,13 +12,12 @@ include (diagnostics/list_missing_unit_tests)
 include (diagnostics/list_unused_unit_tests)
 include (include_dependencies/add_include_dependencies)
 
-option (HIBF_VERBOSE_TESTS "Run each test case individually" OFF)
 option (HIBF_USE_INCLUDE_DEPENDENCIES
         "Build tests in an hierarchical order (by an include graph, i.e. tests with less dependencies are build first)"
         OFF)
 
 macro (hibf_test unit_test_cpp)
-    cmake_parse_arguments (HIBF_TEST "" "" "CYCLIC_DEPENDING_INCLUDES" ${ARGN})
+    cmake_parse_arguments (HIBF_TEST "" "SDE" "CYCLIC_DEPENDING_INCLUDES" ${ARGN})
 
     file (RELATIVE_PATH unit_test "${CMAKE_SOURCE_DIR}" "${CMAKE_CURRENT_LIST_DIR}/${unit_test_cpp}")
     hibf_test_component (target "${unit_test}" TARGET_NAME)
@@ -28,12 +27,10 @@ macro (hibf_test unit_test_cpp)
     target_link_libraries (${target} hibf::test::unit)
     add_include_dependencies (${target} "${HIBF_TEST_CYCLIC_DEPENDING_INCLUDES}")
     collect_used_test (${target})
-    if (HIBF_VERBOSE_TESTS)
-        gtest_discover_tests (
-            ${target}
-            TEST_PREFIX "${test_name}::"
-            PROPERTIES
-            TIMEOUT "30")
+
+    if (HIBF_TEST_SDE)
+        set (TARGET_WITH_SDE "${HIBF_TEST_SDE}" "-cnl" "--" "./${target}")
+        add_test (NAME "${test_name}_sde" COMMAND ${TARGET_WITH_SDE})
     else ()
         add_test (NAME "${test_name}" COMMAND ${target})
     endif ()
diff --git a/test/unit/hibf/CMakeLists.txt b/test/unit/hibf/CMakeLists.txt
index 49da8e71..67354cfe 100644
--- a/test/unit/hibf/CMakeLists.txt
+++ b/test/unit/hibf/CMakeLists.txt
@@ -7,11 +7,24 @@ add_subdirectories ()
 hibf_test (bit_vector_test.cpp)
 hibf_test (config_test.cpp)
 hibf_test (counting_vector_test.cpp)
-hibf_test (counting_vector_avx512_test.cpp)
 hibf_test (hierarchical_interleaved_bloom_filter_test.cpp)
 hibf_test (insert_iterator_test.cpp)
 hibf_test (interleaved_bloom_filter_test.cpp)
-hibf_test (interleaved_bloom_filter_avx512_test.cpp)
 hibf_test (path_test.cpp)
 hibf_test (print_test.cpp)
 hibf_test (timer_test.cpp)
+
+# If available, use Intel's Software Development Emulator (SDE) to emulate AVX-512 instructions.
+# See https://www.intel.com/content/www/us/en/developer/articles/tool/software-development-emulator.html
+find_program (SDE64_BIN sde64)
+
+if (SDE64_BIN)
+    hibf_test (counting_vector_avx512_test.cpp SDE "${SDE64_BIN}")
+    target_compile_options (counting_vector_avx512_test PRIVATE -mavx512bw -mavx512f)
+
+    hibf_test (interleaved_bloom_filter_avx512_test.cpp SDE "${SDE64_BIN}")
+    target_compile_options (interleaved_bloom_filter_avx512_test PRIVATE -mavx512bw -mavx512f)
+else ()
+    hibf_test (counting_vector_avx512_test.cpp)
+    hibf_test (interleaved_bloom_filter_avx512_test.cpp)
+endif ()