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wip: initial work on mimalloc3 without segments

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daanx 2024-11-28 19:31:04 -08:00
parent 9b7537755a
commit 71cfa45e76
15 changed files with 3001 additions and 289 deletions
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22
src/init.c
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@ -124,6 +124,18 @@ mi_threadid_t _mi_thread_id(void) mi_attr_noexcept {
return _mi_prim_thread_id();
}
// Thread sequence number
static _Atomic(size_t) mi_tcount;
static mi_decl_thread size_t mi_tseq;
size_t _mi_thread_seq_id(void) mi_attr_noexcept {
size_t tseq = mi_tseq;
if (tseq == 0) {
mi_tseq = tseq = mi_atomic_add_acq_rel(&mi_tcount,1);
}
return tseq;
}
// the thread-local default heap for allocation
mi_decl_thread mi_heap_t* _mi_heap_default = (mi_heap_t*)&_mi_heap_empty;
@ -169,8 +181,8 @@ mi_stats_t _mi_stats_main = { MI_STATS_NULL };
#if MI_GUARDED
mi_decl_export void mi_heap_guarded_set_sample_rate(mi_heap_t* heap, size_t sample_rate, size_t seed) {
heap->guarded_sample_seed = seed;
if (heap->guarded_sample_seed == 0) {
heap->guarded_sample_seed = _mi_heap_random_next(heap);
if (heap->guarded_sample_seed == 0) {
heap->guarded_sample_seed = _mi_heap_random_next(heap);
}
heap->guarded_sample_rate = sample_rate;
if (heap->guarded_sample_rate >= 1) {
@ -188,9 +200,9 @@ void _mi_heap_guarded_init(mi_heap_t* heap) {
mi_heap_guarded_set_sample_rate(heap,
(size_t)mi_option_get_clamp(mi_option_guarded_sample_rate, 0, LONG_MAX),
(size_t)mi_option_get(mi_option_guarded_sample_seed));
mi_heap_guarded_set_size_bound(heap,
mi_heap_guarded_set_size_bound(heap,
(size_t)mi_option_get_clamp(mi_option_guarded_min, 0, LONG_MAX),
(size_t)mi_option_get_clamp(mi_option_guarded_max, 0, LONG_MAX) );
(size_t)mi_option_get_clamp(mi_option_guarded_max, 0, LONG_MAX) );
}
#else
mi_decl_export void mi_heap_guarded_set_sample_rate(mi_heap_t* heap, size_t sample_rate, size_t seed) {
@ -602,7 +614,7 @@ static void mi_detect_cpu_features(void) {
}
#else
static void mi_detect_cpu_features(void) {
// nothing
// nothing
}
#endif