???????????? ?????????? ?????????? ??????? jemalloc 5.3
??? ??? ??? ??? ??? jemalloc 5.4.0, ??? ??? ??? ??? malloc, ??? ??? ??? ??? ? ??? ? ??? ???. ??? ??? ??? ? ??? ? ??? ??? ? jemalloc??? ??? ??? CPU??? ??? ??? ??? ??? ???, ??? ??? ??? ??? ??? ??? ??? ??? ???.
? ??? 2025??? ??? ??? ??? ??? ? ??? ??? jemalloc? ??? ???, ? ? ??? ??? ??? ??? ??? ??? Meta, ??? jemalloc? ??? ???. ??? ??? ??? ??? ??? FreeBSD? ??? ? ??? ? ?? ??? ? 2005???. ??? ??? ??? ? ?? ? ??? ??? ??? BSD.
??? ???:
??? ??? ??? ? ??? tcache (Thread Local Cache), ? ??? ??? ??? ???.
??? ??? ??? ??? PAC (Page Allocator Classic) ? HPA (Huge Page Allocator). ??? ??? ??? ??? ??? ??? vtable (PAI vtable).
??? ??? ??? ? ??? ??? ??? ???-??? ??? ??? ? ??? ??? ???.
??? ??? ??? mallctl, ? ??? ??? ??? ??? ? ??? ???.
??? ??? EXTENT_ALLOC_FLAG_PINNED, ??? ??? ??? ??? ??? ???, ??? ??? ??? HugeTLB, ??? ? ??? ??? ???. ??? ??? ??? ? ??? ??? ??? ??? ??? ??? mallctl: stats.pinned, stats.arenas.‹i›.pinned, stats.arenas.‹i›.extents.‹j›.npinned, stats.arenas.‹i›.extents…pinned_bytes? stats.arenas.‹i›.mutexes.extents_pinned.{counter} .
??? ??? ??? malloc? ??? ? JSON???.
??? ??? ??? lg_tcache_nslots_mul, tcache_nslots_small_min, tcache_nslots_small_max, tcache_nslots_large, tcache_gc_delay_bytes, lg_tcache_flush_small_div? lg_tcache_flush_large_div.
???: http://www.opennet.ru/opennews/art.shtml? num=66304
© OpenNet
