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Tcache: Tweak nslots_max tuning parameter.

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In making these settings configurable, 634afc4124
unintentially changed a tuning parameter (reducing the "goal" max by a factor of
4).  This commit undoes that change.
This commit is contained in:
David Goldblatt 2020-07-08 15:50:23 -07:00 committed by Yinan Zhang
parent ae541d3fab
commit f1f4ec315a
1 changed files with 3 additions and 3 deletions
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6
src/tcache.c
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@ -25,12 +25,12 @@ unsigned opt_tcache_nslots_large = 20;
/* /*
* We attempt to make the number of slots in a tcache bin for a given size class * We attempt to make the number of slots in a tcache bin for a given size class
* equal to the number of objects in a slab times some multiplier. By default, * equal to the number of objects in a slab times some multiplier. By default,
* the multiplier is 1/2 (i.e. we set the maximum number of objects in the * the multiplier is 2 (i.e. we set the maximum number of objects in the tcache
* tcache to half the number of objects in a slab). * to twice the number of objects in a slab).
* This is bounded by some other constraints as well, like the fact that it * This is bounded by some other constraints as well, like the fact that it
* must be even, must be less than opt_tcache_nslots_small_max, etc.. * must be even, must be less than opt_tcache_nslots_small_max, etc..
*/ */
ssize_t opt_lg_tcache_nslots_mul = -1; ssize_t opt_lg_tcache_nslots_mul = 1;
/* /*
* Number of allocation bytes between tcache incremental GCs. Again, this * Number of allocation bytes between tcache incremental GCs. Again, this