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merge from dev

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This commit is contained in:
Daan 2024-10-21 05:07:12 -07:00
commit e58e41c8da
5 changed files with 87 additions and 20 deletions
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3
CMakeLists.txt
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@ -31,6 +31,7 @@ option(MI_SKIP_COLLECT_ON_EXIT "Skip collecting memory on program exit" OFF)
option(MI_NO_PADDING "Force no use of padding even in DEBUG mode etc." OFF)
option(MI_INSTALL_TOPLEVEL "Install directly into $CMAKE_INSTALL_PREFIX instead of PREFIX/lib/mimalloc-version" OFF)
option(MI_NO_THP "Disable transparent huge pages support on Linux/Android for the mimalloc process only" OFF)
option(MI_EXTRA_CPPDEFS "Extra pre-processor definitions (use as `-DMI_EXTRA_CPPDEFS=\"opt1=val1;opt2=val2\"`)" "")
# deprecated options
option(MI_CHECK_FULL "Use full internal invariant checking in DEBUG mode (deprecated, use MI_DEBUG_FULL instead)" OFF)
@ -62,8 +63,8 @@ set(mi_sources
set(mi_cflags "")
set(mi_cflags_static "") # extra flags for a static library build
set(mi_cflags_dynamic "") # extra flags for a shared-object library build
set(mi_defines "")
set(mi_libraries "")
set(mi_defines ${MI_EXTRA_CPPDEFS})
# -----------------------------------------------------------------------------
# Convenience: set default build type depending on the build directory

8
azure-pipelines.yml
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@ -43,7 +43,7 @@ jobs:
solution: $(BuildType)/libmimalloc.sln
configuration: '$(MSBuildConfiguration)'
msbuildArguments: -m
- script: ctest --verbose --timeout 240 -C $(MSBuildConfiguration)
- script: ctest --verbose --timeout 180 -C $(MSBuildConfiguration)
workingDirectory: $(BuildType)
displayName: CTest
#- script: $(BuildType)\$(BuildType)\mimalloc-test-stress
@ -126,7 +126,7 @@ jobs:
cmakeArgs: .. $(cmakeExtraArgs)
- script: make -j$(nproc) -C $(BuildType)
displayName: Make
- script: ctest --verbose --timeout 240
- script: ctest --verbose --timeout 180
workingDirectory: $(BuildType)
displayName: CTest
env:
@ -157,7 +157,7 @@ jobs:
cmakeArgs: .. $(cmakeExtraArgs)
- script: make -j$(sysctl -n hw.ncpu) -C $(BuildType)
displayName: Make
- script: ctest --verbose --timeout 240
- script: ctest --verbose --timeout 180
workingDirectory: $(BuildType)
displayName: CTest
@ -194,5 +194,5 @@ jobs:
# configuration: '$(MSBuildConfiguration)'
# - script: |
# cd $(BuildType)
# ctest --verbose --timeout 240
# ctest --verbose --timeout 180
# displayName: CTest

63
src/options.c
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@ -47,6 +47,47 @@ typedef struct mi_option_desc_s {
#define MI_OPTION(opt) mi_option_##opt, #opt, NULL
#define MI_OPTION_LEGACY(opt,legacy) mi_option_##opt, #opt, #legacy
// Some options can be set at build time for statically linked libraries (use `-DMI_EXTRA_CPPDEFS="opt1=val1;opt2=val2"`)
// This is useful if we cannot pass them as environment variables
// (and setting them programmatically would be too late)
#ifndef MI_DEFAULT_VERBOSE
#define MI_DEFAULT_VERBOSE 0
#endif
#ifndef MI_DEFAULT_EAGER_COMMIT
#define MI_DEFAULT_EAGER_COMMIT 1
#endif
#ifndef MI_DEFAULT_ARENA_EAGER_COMMIT
#define MI_DEFAULT_ARENA_EAGER_COMMIT 2
#endif
#ifndef MI_DEFAULT_ARENA_RESERVE
#if (MI_INTPTR_SIZE>4)
#define MI_DEFAULT_ARENA_RESERVE 1024L*1024L
#else
#define MI_DEFAULT_ARENA_RESERVE 128L*1024L
#endif
#endif
#ifndef MI_DEFAULT_DISALLOW_ARENA_ALLOC
#define MI_DEFAULT_DISALLOW_ARENA_ALLOC 0
#endif
#ifndef MI_DEFAULT_ALLOW_LARGE_OS_PAGES
#define MI_DEFAULT_ALLOW_LARGE_OS_PAGES 0
#endif
#ifndef MI_DEFAULT_RESERVE_HUGE_OS_PAGES
#define MI_DEFAULT_RESERVE_HUGE_OS_PAGES 0
#endif
#ifndef MI_DEFAULT_RESERVE_OS_MEMORY
#define MI_DEFAULT_RESERVE_OS_MEMORY 0
#endif
static mi_option_desc_t options[_mi_option_last] =
{
// stable options
@ -56,16 +97,16 @@ static mi_option_desc_t options[_mi_option_last] =
{ 0, UNINIT, MI_OPTION(show_errors) },
#endif
{ 0, UNINIT, MI_OPTION(show_stats) },
{ 0, UNINIT, MI_OPTION(verbose) },
{ MI_DEFAULT_VERBOSE, UNINIT, MI_OPTION(verbose) },
// the following options are experimental and not all combinations make sense.
{ 1, UNINIT, MI_OPTION(eager_commit) }, // commit per segment directly (4MiB) (but see also `eager_commit_delay`)
{ 2, UNINIT, MI_OPTION_LEGACY(arena_eager_commit,eager_region_commit) }, // eager commit arena's? 2 is used to enable this only on an OS that has overcommit (i.e. linux)
{ MI_DEFAULT_EAGER_COMMIT, UNINIT, MI_OPTION(eager_commit) }, // commit per segment directly (4MiB) (but see also `eager_commit_delay`)
{ MI_DEFAULT_ARENA_EAGER_COMMIT, UNINIT, MI_OPTION_LEGACY(arena_eager_commit,eager_region_commit) }, // eager commit arena's? 2 is used to enable this only on an OS that has overcommit (i.e. linux)
{ 1, UNINIT, MI_OPTION_LEGACY(purge_decommits,reset_decommits) }, // purge decommits memory (instead of reset) (note: on linux this uses MADV_DONTNEED for decommit)
{ 0, UNINIT, MI_OPTION_LEGACY(allow_large_os_pages,large_os_pages) }, // use large OS pages, use only with eager commit to prevent fragmentation of VMA's
{ 0, UNINIT, MI_OPTION(reserve_huge_os_pages) }, // per 1GiB huge pages
{ MI_DEFAULT_ALLOW_LARGE_OS_PAGES, UNINIT, MI_OPTION_LEGACY(allow_large_os_pages,large_os_pages) }, // use large OS pages, use only with eager commit to prevent fragmentation of VMA's
{ MI_DEFAULT_RESERVE_HUGE_OS_PAGES, UNINIT, MI_OPTION(reserve_huge_os_pages) }, // per 1GiB huge pages
{-1, UNINIT, MI_OPTION(reserve_huge_os_pages_at) }, // reserve huge pages at node N
{ 0, UNINIT, MI_OPTION(reserve_os_memory) }, // reserve N KiB OS memory in advance (use `option_get_size`)
{ MI_DEFAULT_RESERVE_OS_MEMORY, UNINIT, MI_OPTION(reserve_os_memory) }, // reserve N KiB OS memory in advance (use `option_get_size`)
{ 0, UNINIT, MI_OPTION(deprecated_segment_cache) }, // cache N segments per thread
{ 0, UNINIT, MI_OPTION(deprecated_page_reset) }, // reset page memory on free
{ 0, UNINIT, MI_OPTION_LEGACY(abandoned_page_purge,abandoned_page_reset) }, // reset free page memory when a thread terminates
@ -83,15 +124,11 @@ static mi_option_desc_t options[_mi_option_last] =
{ 32, UNINIT, MI_OPTION(max_warnings) }, // maximum warnings that are output
{ 10, UNINIT, MI_OPTION(max_segment_reclaim)}, // max. percentage of the abandoned segments to be reclaimed per try.
{ 0, UNINIT, MI_OPTION(destroy_on_exit)}, // release all OS memory on process exit; careful with dangling pointer or after-exit frees!
#if (MI_INTPTR_SIZE>4)
{ 1024L*1024L, UNINIT, MI_OPTION(arena_reserve) }, // reserve memory N KiB at a time (=1GiB) (use `option_get_size`)
#else
{ 128L*1024L, UNINIT, MI_OPTION(arena_reserve) }, // =128MiB on 32-bit
#endif
{ 10, UNINIT, MI_OPTION(arena_purge_mult) }, // purge delay multiplier for arena's
{ MI_DEFAULT_ARENA_RESERVE, UNINIT, MI_OPTION(arena_reserve) }, // reserve memory N KiB at a time (=1GiB) (use `option_get_size`)
{ 10, UNINIT, MI_OPTION(arena_purge_mult) }, // purge delay multiplier for arena's
{ 1, UNINIT, MI_OPTION_LEGACY(purge_extend_delay, decommit_extend_delay) },
{ 1, UNINIT, MI_OPTION(abandoned_reclaim_on_free) },// reclaim an abandoned segment on a free
{ 0, UNINIT, MI_OPTION(disallow_arena_alloc) }, // 1 = do not use arena's for allocation (except if using specific arena id's)
{ MI_DEFAULT_DISALLOW_ARENA_ALLOC, UNINIT, MI_OPTION(disallow_arena_alloc) }, // 1 = do not use arena's for allocation (except if using specific arena id's)
{ 400, UNINIT, MI_OPTION(retry_on_oom) }, // windows only: retry on out-of-memory for N milli seconds (=400), set to 0 to disable retries.
#if defined(MI_VISIT_ABANDONED)
{ 1, INITIALIZED, MI_OPTION(visit_abandoned) }, // allow visiting heap blocks in abandonded segments; requires taking locks during reclaim.

31
test/main-override.cpp
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@ -40,6 +40,7 @@ static void bench_alloc_large(void); // issue #xxx
//static void test_large_migrate(void); // issue #691
static void heap_thread_free_huge();
static void test_std_string(); // issue #697
static void test_thread_local(); // issue #944
static void test_stl_allocators();
@ -47,7 +48,8 @@ static void test_stl_allocators();
int main() {
// mi_stats_reset(); // ignore earlier allocations
// test_std_string();
//test_std_string();
test_thread_local();
// heap_thread_free_huge();
/*
heap_thread_free_huge();
@ -398,3 +400,30 @@ static void bench_alloc_large(void) {
std::cout << "Avg " << us_per_allocation << " us per allocation" << std::endl;
}
class MTest
{
char *data;
public:
MTest() { data = (char*)malloc(1024); }
~MTest() { free(data); };
};
thread_local MTest tlVariable;
void threadFun( int i )
{
printf( "Thread %d\n", i );
std::this_thread::sleep_for( std::chrono::milliseconds(100) );
}
void test_thread_local()
{
for( int i=1; i < 100; ++i )
{
std::thread t( threadFun, i );
t.join();
mi_stats_print(NULL);
}
return;
}

2
test/test-stress.c
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@ -28,7 +28,7 @@ terms of the MIT license.
#if defined(MI_TSAN) // with thread-sanitizer reduce the threads to test within the azure pipeline limits
static int THREADS = 8;
static int SCALE = 25;
static int ITER = 200;
static int ITER = 400;
#elif defined(MI_UBSAN) // with undefined behavious sanitizer reduce parameters to stay within the azure pipeline limits
static int THREADS = 8;
static int SCALE = 25;