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use thread local stats for abandoned statistics to reduce contention

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Daan Leijen 2025-02-04 17:54:49 -08:00
parent b0c8d86c41
commit 8fc8da5d81
6 changed files with 44 additions and 17 deletions
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3
include/mimalloc/internal.h
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@ -116,6 +116,7 @@ mi_subproc_t* _mi_subproc_main(void);
mi_subproc_t* _mi_subproc_from_id(mi_subproc_id_t subproc_id);
mi_threadid_t _mi_thread_id(void) mi_attr_noexcept;
size_t _mi_thread_seq_id(void) mi_attr_noexcept;
mi_tld_t* _mi_thread_tld(void) mi_attr_noexcept;
void _mi_heap_guarded_init(mi_heap_t* heap);
// os.c
@ -171,7 +172,7 @@ void _mi_arenas_unsafe_destroy_all(mi_tld_t* tld);
mi_page_t* _mi_arenas_page_alloc(mi_heap_t* heap, size_t block_size, size_t page_alignment);
void _mi_arenas_page_free(mi_page_t* page);
void _mi_arenas_page_abandon(mi_page_t* page);
void _mi_arenas_page_abandon(mi_page_t* page, mi_tld_t* tld);
void _mi_arenas_page_unabandon(mi_page_t* page);
bool _mi_arenas_page_try_reabandon_to_mapped(mi_page_t* page);

13
include/mimalloc/types.h
View file

@ -544,13 +544,20 @@ void __mi_stat_counter_increase_mt(mi_stat_counter_t* stat, size_t amount);
#define mi_subproc_stat_adjust_increase(subproc,stat,amnt,b) __mi_stat_adjust_increase_mt( &(subproc)->stats.stat, amnt, b)
#define mi_subproc_stat_adjust_decrease(subproc,stat,amnt,b) __mi_stat_adjust_decrease_mt( &(subproc)->stats.stat, amnt, b)
#define mi_tld_stat_counter_increase(tld,stat,amount) __mi_stat_counter_increase( &(tld)->stats.stat, amount)
#define mi_tld_stat_increase(tld,stat,amount) __mi_stat_increase( &(tld)->stats.stat, amount)
#define mi_tld_stat_decrease(tld,stat,amount) __mi_stat_decrease( &(tld)->stats.stat, amount)
#define mi_tld_stat_adjust_increase(tld,stat,amnt,b) __mi_stat_adjust_increase( &(tld)->stats.stat, amnt, b)
#define mi_tld_stat_adjust_decrease(tld,stat,amnt,b) __mi_stat_adjust_decrease( &(tld)->stats.stat, amnt, b)
#define mi_os_stat_counter_increase(stat,amount) mi_subproc_stat_counter_increase(_mi_subproc(),stat,amount)
#define mi_os_stat_increase(stat,amount) mi_subproc_stat_increase(_mi_subproc(),stat,amount)
#define mi_os_stat_decrease(stat,amount) mi_subproc_stat_decrease(_mi_subproc(),stat,amount)
#define mi_heap_stat_counter_increase(heap,stat,amount) __mi_stat_counter_increase( &(heap)->tld->stats.stat, amount)
#define mi_heap_stat_increase(heap,stat,amount) __mi_stat_increase( &(heap)->tld->stats.stat, amount)
#define mi_heap_stat_decrease(heap,stat,amount) __mi_stat_decrease( &(heap)->tld->stats.stat, amount)
#define mi_heap_stat_counter_increase(heap,stat,amount) mi_tld_stat_counter_increase(heap->tld, stat, amount)
#define mi_heap_stat_increase(heap,stat,amount) mi_tld_stat_increase( heap->tld, stat, amount)
#define mi_heap_stat_decrease(heap,stat,amount) mi_tld_stat_decrease( heap->tld, stat, amount)
#define mi_debug_heap_stat_counter_increase(heap,stat,amount) mi_debug_stat_counter_increase( (heap)->tld->stats.stat, amount)
#define mi_debug_heap_stat_increase(heap,stat,amount) mi_debug_stat_increase( (heap)->tld->stats.stat, amount)