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incremental GC: split "incremental" finalization to single step

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Don't finalize after performing some marking work, since
finalization is in one chunk, so it's best to avoid combining
that delay with others.
This commit is contained in:
Matthew Flatt 2015-11-28 05:38:56 -07:00
parent 493eb1de7f
commit ad2dd24fb8
1 changed files with 5 additions and 4 deletions
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9
racket/src/racket/gc2/newgc.c
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@ -5918,11 +5918,12 @@ static void garbage_collect(NewGC *gc, int force_full, int no_full, int switchin
if (do_incremental) {
if (!gc->finishing_incremental) {
int fuel = INCREMENTAL_COLLECT_FUEL_PER_100M * ((gc->memory_in_use / (1024 * 1024 * 100)) + 1);
mark_finalizer_structs(gc, 1);
propagate_incremental_marks(gc, 1, fuel);
if (mark_stack_is_empty(gc->inc_mark_stack)) {
/* If we run out of incremental marking work,
if (!mark_stack_is_empty(gc->inc_mark_stack)) {
int fuel = INCREMENTAL_COLLECT_FUEL_PER_100M * ((gc->memory_in_use / (1024 * 1024 * 100)) + 1);
propagate_incremental_marks(gc, 1, fuel);
} else {
/* We ran out of incremental marking work, so
perform major-GC finalization in one go. */
mark_and_finalize_all_incremental(gc TIME_ARGS);
BTC_clean_up_gen1(gc);