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

initial no more pairmap

Browse source
This commit is contained in:
daanx 2024-12-06 14:53:24 -08:00
parent 7443ee317e
commit ec9c61c066
5 changed files with 465 additions and 711 deletions
Download patch file Download diff file Expand all files Collapse all files

7
include/mimalloc/internal.h
View file

@ -700,7 +700,9 @@ static inline bool mi_page_try_claim_ownership(mi_page_t* page) {
return ((old&1)==0);
}
static inline void _mi_page_unown(mi_page_t* page) {
// release ownership of a page. This may free the page if all blocks were concurrently
// freed in the meantime. Returns true if the page was freed.
static inline bool _mi_page_unown(mi_page_t* page) {
mi_assert_internal(mi_page_is_owned(page));
mi_assert_internal(mi_page_is_abandoned(page));
mi_thread_free_t tf_new;
@ -712,13 +714,14 @@ static inline void _mi_page_unown(mi_page_t* page) {
if (mi_page_all_free(page)) { // it may become free just before unowning it
_mi_arena_page_unabandon(page);
_mi_arena_page_free(page);
return;
return true;
}
tf_old = mi_atomic_load_relaxed(&page->xthread_free);
}
mi_assert_internal(mi_tf_block(tf_old)==NULL);
tf_new = mi_tf_create(NULL, false);
} while (!mi_atomic_cas_weak_release(&page->xthread_free, &tf_old, tf_new));
return false;
}
//-----------------------------------------------------------

8
include/mimalloc/types.h
View file

@ -117,16 +117,16 @@ terms of the MIT license. A copy of the license can be found in the file
#define MI_ARENA_SLICE_SHIFT (13 + MI_SIZE_SHIFT) // 64 KiB (32 KiB on 32-bit)
#endif
#endif
#ifndef MI_BITMAP_CHUNK_BITS_SHIFT
#define MI_BITMAP_CHUNK_BITS_SHIFT (6 + MI_SIZE_SHIFT) // optimized for 512 bits per chunk (avx512)
#ifndef MI_BCHUNK_BITS_SHIFT
#define MI_BCHUNK_BITS_SHIFT (6 + MI_SIZE_SHIFT) // optimized for 512 bits per chunk (avx512)
#endif
#define MI_BITMAP_CHUNK_BITS (1 << MI_BITMAP_CHUNK_BITS_SHIFT)
#define MI_BCHUNK_BITS (1 << MI_BCHUNK_BITS_SHIFT)
#define MI_ARENA_SLICE_SIZE (MI_ZU(1) << MI_ARENA_SLICE_SHIFT)
#define MI_ARENA_SLICE_ALIGN (MI_ARENA_SLICE_SIZE)
#define MI_ARENA_MIN_OBJ_SLICES (1)
#define MI_ARENA_MAX_OBJ_SLICES (MI_BITMAP_CHUNK_BITS) // 32 MiB (for now, cannot cross chunk boundaries)
#define MI_ARENA_MAX_OBJ_SLICES (MI_BCHUNK_BITS) // 32 MiB (for now, cannot cross chunk boundaries)
#define MI_ARENA_MIN_OBJ_SIZE (MI_ARENA_MIN_OBJ_SLICES * MI_ARENA_SLICE_SIZE)
#define MI_ARENA_MAX_OBJ_SIZE (MI_ARENA_MAX_OBJ_SLICES * MI_ARENA_SLICE_SIZE)