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Tcache: Add tcache gc delay option.

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This can reduce flushing frequency for small size classes.
This commit is contained in:
David Goldblatt
2020-05-11 16:24:17 -07:00
committed by David Goldblatt
parent d338dd45d7
commit ee72bf1cfd
4 changed files with 99 additions and 27 deletions
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4
src/jemalloc.c
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@@ -1393,6 +1393,10 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
"tcache_gc_incr_bytes", 1024, SIZE_T_MAX,
CONF_CHECK_MIN, CONF_DONT_CHECK_MAX,
/* clip */ true)
CONF_HANDLE_SIZE_T(opt_tcache_gc_delay_bytes,
"tcache_gc_delay_bytes", 0, SIZE_T_MAX,
CONF_DONT_CHECK_MIN, CONF_DONT_CHECK_MAX,
/* clip */ false)
/*
* The runtime option of oversize_threshold remains