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abandoned reclaim on free is on by default

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Daan Leijen 2024-03-24 14:52:50 -07:00
parent a8a53e3e85
commit 9c96d05ee4
2 changed files with 4 additions and 4 deletions
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6
src/free.c
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@ -25,7 +25,7 @@ static void mi_stat_free(const mi_page_t* page, const mi_block_t* block);
// ------------------------------------------------------ // ------------------------------------------------------
// forward declaration of multi-threaded free (`_mt`) (or free in huge block if compiled with MI_HUGE_PAGE_ABANDON) // forward declaration of multi-threaded free (`_mt`) (or free in huge block if compiled with MI_HUGE_PAGE_ABANDON)
static mi_decl_noinline void mi_free_block_mt(mi_segment_t* segment, mi_page_t* page, mi_block_t* block); static mi_decl_noinline void mi_free_block_mt(mi_page_t* page, mi_segment_t* segment, mi_block_t* block);
// regular free of a (thread local) block pointer // regular free of a (thread local) block pointer
// fast path written carefully to prevent spilling on the stack // fast path written carefully to prevent spilling on the stack
@ -77,7 +77,7 @@ static void mi_decl_noinline mi_free_generic_local(mi_page_t* page, mi_segment_t
// free a pointer owned by another thread (page parameter comes first for better codegen) // free a pointer owned by another thread (page parameter comes first for better codegen)
static void mi_decl_noinline mi_free_generic_mt(mi_page_t* page, mi_segment_t* segment, void* p) mi_attr_noexcept { static void mi_decl_noinline mi_free_generic_mt(mi_page_t* page, mi_segment_t* segment, void* p) mi_attr_noexcept {
mi_block_t* const block = _mi_page_ptr_unalign(page, p); // don't check `has_aligned` flag to avoid a race (issue #865) mi_block_t* const block = _mi_page_ptr_unalign(page, p); // don't check `has_aligned` flag to avoid a race (issue #865)
mi_free_block_mt(segment, page, block); mi_free_block_mt(page, segment, block);
} }
// generic free (for runtime integration) // generic free (for runtime integration)
@ -230,7 +230,7 @@ static void mi_stat_huge_free(const mi_page_t* page);
#endif #endif
// Multi-threaded free (`_mt`) (or free in huge block if compiled with MI_HUGE_PAGE_ABANDON) // Multi-threaded free (`_mt`) (or free in huge block if compiled with MI_HUGE_PAGE_ABANDON)
static void mi_decl_noinline mi_free_block_mt(mi_segment_t* segment, mi_page_t* page, mi_block_t* block) static void mi_decl_noinline mi_free_block_mt(mi_page_t* page, mi_segment_t* segment, mi_block_t* block)
{ {
// first see if the segment was abandoned and if we can reclaim it into our thread // first see if the segment was abandoned and if we can reclaim it into our thread
if (mi_option_is_enabled(mi_option_abandoned_reclaim_on_free) && if (mi_option_is_enabled(mi_option_abandoned_reclaim_on_free) &&

2
src/options.c
View file

@ -91,7 +91,7 @@ static mi_option_desc_t options[_mi_option_last] =
{ 10, UNINIT, MI_OPTION(arena_purge_mult) }, // purge delay multiplier for arena's { 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_LEGACY(purge_extend_delay, decommit_extend_delay) },
{ 0, UNINIT, MI_OPTION(abandoned_reclaim_on_free) }, // reclaim an abandoned segment on a free { 1, UNINIT, MI_OPTION(abandoned_reclaim_on_free) }, // reclaim an abandoned segment on a free
}; };
static void mi_option_init(mi_option_desc_t* desc); static void mi_option_init(mi_option_desc_t* desc);