3party/mimalloc
0
0
Fork 0
mirror of https://github.com/microsoft/mimalloc.git synced 2024-12-27 13:33:18 +08:00
Code Issues Projects Releases Wiki Activity

reduce page retire cycles based on object size

Browse Source
This commit is contained in:
daan 2020-05-02 00:19:20 -07:00
parent 81bd1b70b0
commit 097c007ba3
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/page.c
View File

@ -381,7 +381,7 @@ void _mi_page_free(mi_page_t* page, mi_page_queue_t* pq, bool force) {
}
#define MI_MAX_RETIRE_SIZE MI_LARGE_OBJ_SIZE_MAX
#define MI_RETIRE_CYCLES (16)
#define MI_RETIRE_CYCLES (8)
// Retire a page with no more used blocks
// Important to not retire too quickly though as new
@ -406,7 +406,7 @@ void _mi_page_retire(mi_page_t* page) {
if (mi_likely(page->xblock_size <= MI_MAX_RETIRE_SIZE && !mi_page_is_in_full(page))) {
if (pq->last==page && pq->first==page) { // the only page in the queue?
mi_stat_counter_increase(_mi_stats_main.page_no_retire,1);
page->retire_expire = MI_RETIRE_CYCLES;
page->retire_expire = (page->xblock_size <= MI_SMALL_OBJ_SIZE_MAX ? MI_RETIRE_CYCLES : MI_RETIRE_CYCLES/4);
mi_heap_t* heap = mi_page_heap(page);
mi_assert_internal(pq >= heap->pages);
const size_t index = pq - heap->pages;