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Experimental calloc implementation with using memset on larger sizes

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This commit is contained in:
Shirui Cheng 2024-04-03 13:27:11 -07:00 • committed by Qi Wang
parent 38056fea64
commit 5081c16bb4
3 changed files with 34 additions and 7 deletions
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5
src/jemalloc.c
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@ -160,6 +160,8 @@ unsigned ncpus;
unsigned opt_debug_double_free_max_scan =
SAFETY_CHECK_DOUBLE_FREE_MAX_SCAN_DEFAULT;
size_t opt_calloc_madvise_threshold = 0;
/* Protects arenas initialization. */
static malloc_mutex_t arenas_lock;
@ -1453,6 +1455,9 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
"debug_double_free_max_scan", 0, UINT_MAX,
CONF_DONT_CHECK_MIN, CONF_DONT_CHECK_MAX,
/* clip */ false)
CONF_HANDLE_SIZE_T(opt_calloc_madvise_threshold,
"calloc_madvise_threshold", 0, SC_LARGE_MAXCLASS,
CONF_DONT_CHECK_MIN, CONF_CHECK_MAX, /* clip */ false)
/*
* The runtime option of oversize_threshold remains