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increase thread data cache to 16

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This commit is contained in:
daanx 2023-04-15 19:49:14 -07:00
parent 8027fcfecd
commit 0174d19af3
4 changed files with 29 additions and 22 deletions
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13
src/init.c
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@ -177,7 +177,6 @@ mi_heap_t* _mi_heap_main_get(void) {
typedef struct mi_thread_data_s {
mi_heap_t heap; // must come first due to cast in `_mi_heap_done`
mi_tld_t tld;
mi_memid_t memid;
} mi_thread_data_t;
@ -186,7 +185,7 @@ typedef struct mi_thread_data_s {
// destroy many OS threads, this may causes too much overhead
// per thread so we maintain a small cache of recently freed metadata.
#define TD_CACHE_SIZE (8)
#define TD_CACHE_SIZE (16)
static _Atomic(mi_thread_data_t*) td_cache[TD_CACHE_SIZE];
static mi_thread_data_t* mi_thread_data_zalloc(void) {
@ -238,7 +237,7 @@ static void mi_thread_data_free( mi_thread_data_t* tdfree ) {
_mi_os_free(tdfree, sizeof(mi_thread_data_t), &_mi_stats_main);
}
static void mi_thread_data_collect(void) {
void _mi_thread_data_collect(void) {
// free all thread metadata from the cache
for (int i = 0; i < TD_CACHE_SIZE; i++) {
mi_thread_data_t* td = mi_atomic_load_ptr_relaxed(mi_thread_data_t, &td_cache[i]);
@ -323,7 +322,6 @@ static bool _mi_heap_done(mi_heap_t* heap) {
mi_thread_data_free((mi_thread_data_t*)heap);
}
else {
mi_thread_data_collect(); // free cached thread metadata
#if 0
// never free the main thread even in debug mode; if a dll is linked statically with mimalloc,
// there may still be delete/free calls after the mi_fls_done is called. Issue #207
@ -589,7 +587,7 @@ static void mi_cdecl mi_process_done(void) {
_mi_prim_thread_done_auto_done();
#ifndef MI_SKIP_COLLECT_ON_EXIT
#if (MI_DEBUG != 0) || !defined(MI_SHARED_LIB)
#if (MI_DEBUG || !defined(MI_SHARED_LIB))
// free all memory if possible on process exit. This is not needed for a stand-alone process
// but should be done if mimalloc is statically linked into another shared library which
// is repeatedly loaded/unloaded, see issue #281.
@ -601,8 +599,9 @@ static void mi_cdecl mi_process_done(void) {
// since after process_done there might still be other code running that calls `free` (like at_exit routines,
// or C-runtime termination code.
if (mi_option_is_enabled(mi_option_destroy_on_exit)) {
_mi_heap_destroy_all(); // forcefully release all memory held by all heaps (of this thread only!)
_mi_arena_collect(true /* destroy (owned) arenas */, true /* purge the rest */, &_mi_heap_main_get()->tld->stats);
mi_collect(true /* force */);
_mi_heap_unsafe_destroy_all(); // forcefully release all memory held by all heaps (of this thread only!)
_mi_arena_unsafe_destroy_all(& _mi_heap_main_get()->tld->stats);
}
if (mi_option_is_enabled(mi_option_show_stats) || mi_option_is_enabled(mi_option_verbose)) {