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daanx 2024-11-17 23:29:21 -08:00
commit 54ee4e7632
24 changed files with 572 additions and 257 deletions
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include/mimalloc.h
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@ -291,7 +291,7 @@ mi_decl_nodiscard mi_decl_export mi_heap_t* mi_heap_new_in_arena(mi_arena_id_t a
#endif
// Experimental: allow sub-processes whose memory segments stay separated (and no reclamation between them)
// Experimental: allow sub-processes whose memory segments stay separated (and no reclamation between them)
// Used for example for separate interpreter's in one process.
typedef void* mi_subproc_id_t;
mi_decl_export mi_subproc_id_t mi_subproc_main(void);
@ -310,6 +310,12 @@ mi_decl_nodiscard mi_decl_export mi_heap_t* mi_heap_new_ex(int heap_tag, bool al
// deprecated
mi_decl_export int mi_reserve_huge_os_pages(size_t pages, double max_secs, size_t* pages_reserved) mi_attr_noexcept;
// Experimental: objects followed by a guard page.
// A sample rate of 0 disables guarded objects, while 1 uses a guard page for every object.
// A seed of 0 uses a random start point. Only objects within the size bound are eligable for guard pages.
mi_decl_export void mi_heap_guarded_set_sample_rate(mi_heap_t* heap, size_t sample_rate, size_t seed);
mi_decl_export void mi_heap_guarded_set_size_bound(mi_heap_t* heap, size_t min, size_t max);
// ------------------------------------------------------
// Convenience
@ -350,7 +356,7 @@ typedef enum mi_option_e {
mi_option_deprecated_segment_cache,
mi_option_deprecated_page_reset,
mi_option_abandoned_page_purge, // immediately purge delayed purges on thread termination
mi_option_deprecated_segment_reset,
mi_option_deprecated_segment_reset,
mi_option_eager_commit_delay, // the first N segments per thread are not eagerly committed (but per page in the segment on demand)
mi_option_purge_delay, // memory purging is delayed by N milli seconds; use 0 for immediate purging or -1 for no purging at all. (=10)
mi_option_use_numa_nodes, // 0 = use all available numa nodes, otherwise use at most N nodes.
@ -367,8 +373,11 @@ typedef enum mi_option_e {
mi_option_disallow_arena_alloc, // 1 = do not use arena's for allocation (except if using specific arena id's)
mi_option_retry_on_oom, // retry on out-of-memory for N milli seconds (=400), set to 0 to disable retries. (only on windows)
mi_option_visit_abandoned, // allow visiting heap blocks from abandoned threads (=0)
mi_option_debug_guarded_min, // only used when building with MI_DEBUG_GUARDED: minimal rounded object size for guarded objects (=0)
mi_option_debug_guarded_max, // only used when building with MI_DEBUG_GUARDED: maximal rounded object size for guarded objects (=0)
mi_option_guarded_min, // only used when building with MI_GUARDED: minimal rounded object size for guarded objects (=0)
mi_option_guarded_max, // only used when building with MI_GUARDED: maximal rounded object size for guarded objects (=0)
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_last,
// legacy option names
mi_option_large_os_pages = mi_option_allow_large_os_pages,