kiper220/mimalloc
1
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2025-07-06 19:38:41 +03:00
Code Issues Projects Releases Packages Wiki Activity Actions

Merge branch 'dev' into dev-abandon

Browse source
This commit is contained in:
daanx 2024-03-02 17:34:58 -08:00
commit 70e3ce07d1
15 changed files with 390 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/arena.c
View file

@ -163,6 +163,7 @@ static void* mi_arena_static_zalloc(size_t size, size_t alignment, mi_memid_t* m
// success
*memid = _mi_memid_create(MI_MEM_STATIC);
memid->initially_zero = true;
const size_t start = _mi_align_up(oldtop, alignment);
uint8_t* const p = &mi_arena_static[start];
_mi_memzero(p, size);
@ -180,8 +181,10 @@ static void* mi_arena_meta_zalloc(size_t size, mi_memid_t* memid, mi_stats_t* st
p = _mi_os_alloc(size, memid, stats);
if (p == NULL) return NULL;
// zero the OS memory if needed
if (!memid->initially_zero) {
_mi_memzero_aligned(p, size);
memid->initially_zero = true;
}
return p;
}
@ -480,7 +483,7 @@ static void mi_arena_schedule_purge(mi_arena_t* arena, size_t bitmap_idx, size_t
// schedule decommit
mi_msecs_t expire = mi_atomic_loadi64_relaxed(&arena->purge_expire);
if (expire != 0) {
mi_atomic_addi64_acq_rel(&arena->purge_expire, delay/10); // add smallish extra delay
mi_atomic_addi64_acq_rel(&arena->purge_expire, (mi_msecs_t)(delay/10)); // add smallish extra delay
}
else {
mi_atomic_storei64_release(&arena->purge_expire, _mi_clock_now() + delay);
@ -524,7 +527,7 @@ static bool mi_arena_try_purge(mi_arena_t* arena, mi_msecs_t now, bool force, mi
if (!force && expire > now) return false;
// reset expire (if not already set concurrently)
mi_atomic_casi64_strong_acq_rel(&arena->purge_expire, &expire, 0);
mi_atomic_casi64_strong_acq_rel(&arena->purge_expire, &expire, (mi_msecs_t)0);
// potential purges scheduled, walk through the bitmap
bool any_purged = false;