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tweak incremental-GC parameters

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Based on experiments with a few programs.
This commit is contained in:
Matthew Flatt 2015-11-27 14:26:09 -07:00
parent ba8103bbde
commit 493eb1de7f
1 changed files with 3 additions and 3 deletions
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6
racket/src/racket/gc2/newgc.c
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@ -244,7 +244,7 @@ MAYBE_UNUSED static void GCVERBOSEprintf(NewGC *gc, const char *fmt, ...) {
/* Extra factor allowed before forcing a non-incremental full collection
when incremental model is started: */
#define INCREMENTAL_EXTRA_SIZE_RATIO 1.5
#define INCREMENTAL_EXTRA_SIZE_RATIO 2
/* Whether to use a little aging, moving gen-0 objects to a
gen-1/2 space; by default, enabled when memory use is high
@ -253,8 +253,8 @@ MAYBE_UNUSED static void GCVERBOSEprintf(NewGC *gc, const char *fmt, ...) {
/* Incremental mode */
static int always_collect_incremental_on_minor = 0;
#define INCREMENTAL_COLLECT_FUEL_PER_100M (24 * 1024)
#define INCREMENTAL_REPAIR_FUEL_PER_100M 512
#define INCREMENTAL_COLLECT_FUEL_PER_100M (32 * 1024)
#define INCREMENTAL_REPAIR_FUEL_PER_100M 256
/* Conservatively force a major GC after a certain number
of minor GCs. It should be ok to set this value