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Add helper for printing Umpire pool statistics #1179

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Add helper for printing Umpire pool statistics #1179

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2 changes: 2 additions & 0 deletions include/dlaf/memory/memory_chunk.h
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,8 @@ namespace dlaf {
namespace memory {

namespace internal {
void print_cuda_stats(std::string_view label);

umpire::Allocator& getUmpireHostAllocator();
void initializeUmpireHostAllocator(std::size_t initial_bytes);
void finalizeUmpireHostAllocator();
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45 changes: 45 additions & 0 deletions src/memory/memory_chunk.cpp
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Expand Up @@ -10,15 +10,60 @@

#include <cstddef>

#include <mpi.h>

#include <umpire/ResourceManager.hpp>
#include <umpire/strategy/QuickPool.hpp>
#include <umpire/strategy/ThreadSafeAllocator.hpp>

#include <pika/init.hpp>

#include <dlaf/memory/memory_chunk.h>

#include <string_view>

namespace dlaf {
namespace memory {
namespace internal {
static void print_alloc_stats(std::string label, std::ostream& os) {
auto alloc = umpire::ResourceManager::getInstance().getAllocator(label);
os << "name: " << alloc.getName() << ", ";
os << "id: " << alloc.getId() << ", ";
os << "strategy: " << alloc.getStrategyName() << ", ";
os << "high water: " << alloc.getHighWatermark() << ", ";
os << "current size: " << alloc.getCurrentSize() << ", ";
os << "actual size: " << alloc.getActualSize() << ", ";
os << "alloc count: " << alloc.getAllocationCount() << ", ";
os << '\n';
}

void print_cuda_stats(std::string_view label) {
// if (pika::is_runtime_initialized()) { pika::wait(); }
// cudaDeviceSynchronize();
std::size_t cuda_free, cuda_total;
int id = 0;
cudaGetDevice(&id);
cudaMemGetInfo(&cuda_free, &cuda_total);

int rank = 0;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);

std::ostringstream os;
os << "### " << label << '\n';
os << "rank: " << rank << ", ";
os << "cuda_free: " << cuda_free << ", ";
os << "cuda_total: " << cuda_total << '\n';

print_alloc_stats("DEVICE", os);
print_alloc_stats("DEVICE_pool", os);
print_alloc_stats("DEVICE_thread_safe_pool", os);
print_alloc_stats("PINNED", os);
print_alloc_stats("PINNED_pool", os);
print_alloc_stats("PINNED_thread_safe_pool", os);

std::cerr << os.str();
}

#ifdef DLAF_WITH_GPU
umpire::Allocator& getUmpireHostAllocator() {
static auto host_allocator = umpire::ResourceManager::getInstance().getAllocator("PINNED");
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