diff options
Diffstat (limited to 'js/src/gc/Scheduling.h')
| -rw-r--r-- | js/src/gc/Scheduling.h | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/js/src/gc/Scheduling.h b/js/src/gc/Scheduling.h index 09a9f834eb..cbaeb1f353 100644 --- a/js/src/gc/Scheduling.h +++ b/js/src/gc/Scheduling.h @@ -447,23 +447,26 @@ NoCheck, 16 * 1024 * 1024) \ \ /* \ - * JSGC_NURSERY_FREE_THRESHOLD_FOR_IDLE_COLLECTION \ - * JSGC_NURSERY_FREE_THRESHOLD_FOR_IDLE_COLLECTION_FRACTION \ - * JSGC_NURSERY_TIMEOUT_FOR_IDLE_COLLECTION_MS \ + * JSGC_NURSERY_EAGER_COLLECTION_THRESHOLD_KB \ + * JSGC_NURSERY_EAGER_COLLECTION_THRESHOLD_PERCENT \ + * JSGC_NURSERY_EAGER_COLLECTION_TIMEOUT_MS \ * \ - * Attempt to run a minor GC in the idle time if the free space falls below \ - * this threshold or if it hasn't been collected for too long. The absolute \ - * threshold is used when the nursery is large and the percentage when it is \ - * small. See Nursery::shouldCollect(). \ + * JS::MaybeRunNurseryCollection will run a minor GC if the free space falls \ + * below a threshold or if it hasn't been collected for too long. \ + * \ + * To avoid making this too eager, two thresholds must be met. The free \ + * space must fall below a size threshold and the fraction of free space \ + * remaining must also fall below a threshold. \ + * \ + * See Nursery::wantEagerCollection() for more details. \ */ \ - _(JSGC_NURSERY_FREE_THRESHOLD_FOR_IDLE_COLLECTION, size_t, \ - nurseryFreeThresholdForIdleCollection, ConvertSize, NoCheck, \ - ChunkSize / 4) \ - _(JSGC_NURSERY_FREE_THRESHOLD_FOR_IDLE_COLLECTION_PERCENT, double, \ - nurseryFreeThresholdForIdleCollectionFraction, ConvertTimes100, \ + _(JSGC_NURSERY_EAGER_COLLECTION_THRESHOLD_KB, size_t, \ + nurseryEagerCollectionThresholdBytes, ConvertKB, NoCheck, ChunkSize / 4) \ + _(JSGC_NURSERY_EAGER_COLLECTION_THRESHOLD_PERCENT, double, \ + nurseryEagerCollectionThresholdPercent, ConvertTimes100, \ CheckNonZeroUnitRange, 0.25) \ - _(JSGC_NURSERY_TIMEOUT_FOR_IDLE_COLLECTION_MS, mozilla::TimeDuration, \ - nurseryTimeoutForIdleCollection, ConvertMillis, NoCheck, \ + _(JSGC_NURSERY_EAGER_COLLECTION_TIMEOUT_MS, mozilla::TimeDuration, \ + nurseryEagerCollectionTimeout, ConvertMillis, NoCheck, \ mozilla::TimeDuration::FromSeconds(5)) \ \ /* \ |