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add target_segments_per_thread option

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daanx 2024-11-18 15:05:22 -08:00
parent edc7ddd37c
commit 71fec8caf5
5 changed files with 112 additions and 9 deletions
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1
include/mimalloc.h
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@ -377,6 +377,7 @@ typedef enum mi_option_e {
mi_option_guarded_precise, // disregard minimal alignment requirement to always place guarded blocks exactly in front of a guard page (=0)
mi_option_guarded_sample_rate, // 1 out of N allocations in the min/max range will be guarded (=1000)
mi_option_guarded_sample_seed, // can be set to allow for a (more) deterministic re-execution when a guard page is triggered (=0)
mi_option_target_segments_per_thread, // experimental (=0)
_mi_option_last,
// legacy option names
mi_option_large_os_pages = mi_option_allow_large_os_pages,

6
include/mimalloc/internal.h
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@ -178,6 +178,8 @@ void _mi_page_retire(mi_page_t* page) mi_attr_noexcept; /
void _mi_page_unfull(mi_page_t* page);
void _mi_page_free(mi_page_t* page, mi_page_queue_t* pq, bool force); // free the page
void _mi_page_abandon(mi_page_t* page, mi_page_queue_t* pq); // abandon the page, to be picked up by another thread...
void _mi_page_force_abandon(mi_page_t* page);
void _mi_heap_delayed_free_all(mi_heap_t* heap);
bool _mi_heap_delayed_free_partial(mi_heap_t* heap);
void _mi_heap_collect_retired(mi_heap_t* heap, bool force);
@ -625,9 +627,9 @@ static inline bool mi_heap_malloc_use_guarded(mi_heap_t* heap, size_t size) {
}
else {
// failed size criteria, rewind count (but don't write to an empty heap)
if (heap->guarded_sample_rate != 0) { heap->guarded_sample_count = 1; }
if (heap->guarded_sample_rate != 0) { heap->guarded_sample_count = 1; }
return false;
}
}
}
mi_decl_restrict void* _mi_heap_malloc_guarded(mi_heap_t* heap, size_t size, bool zero) mi_attr_noexcept;