lihao/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-07-24 05:33:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Regulate GC frequency by requiring a time interval between two consecutive GCs

Browse Source
This commit is contained in:
Shirui Cheng
2024-08-01 14:01:32 -07:00
committed by Qi Wang
parent e2c9f3a9ce
commit 0c88be9e0a
3 changed files with 138 additions and 60 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
include/jemalloc/internal/tcache_structs.h
View File

@@ -33,8 +33,12 @@ struct tcache_slow_s {
arena_t *arena;
/* The number of bins activated in the tcache. */
unsigned tcache_nbins;
/* Last time GC has been performed. */
nstime_t last_gc_time;
/* Next bin to GC. */
szind_t next_gc_bin;
szind_t next_gc_bin_small;
szind_t next_gc_bin_large;
/* For small bins, fill (ncached_max >> lg_fill_div). */
uint8_t lg_fill_div[SC_NBINS];
/* For small bins, whether has been refilled since last GC. */

3
include/jemalloc/internal/tcache_types.h
View File

@@ -24,5 +24,8 @@ typedef struct tcaches_s tcaches_t;
#define TCACHE_NBINS_MAX (SC_NBINS + SC_NGROUP * \
(TCACHE_LG_MAXCLASS_LIMIT - SC_LG_LARGE_MINCLASS) + 1)
#define TCACHE_GC_NEIGHBOR_LIMIT ((uintptr_t)1 << 21) /* 2M */
#define TCACHE_GC_INTERVAL_NS ((uint64_t)10 * KQU(1000000)) /* 10ms */
#define TCACHE_GC_SMALL_NBINS_MAX ((SC_NBINS > 8) ? (SC_NBINS >> 3) : 1)
#define TCACHE_GC_LARGE_NBINS_MAX 1
#endif /* JEMALLOC_INTERNAL_TCACHE_TYPES_H */