Version 3.10.8
Enabled MIPS cross-compilation.
Ensured reload of elements pointer in StoreFastDoubleElement stub. (Chromium issue 125515)
Fixed corner cases in truncation behavior when storing to TypedArrays. (issue 2110)
Fixed failure to properly recognize and report out-of-memory conditions when allocating code space pages. (Chromium issue 118625)
Fixed idle notifications to perform a round of incremental GCs after context disposal. (issue 2107)
Fixed preparser for try statement. (issue 2109)
Performance and stability improvements on all platforms.
git-svn-id: http://v8.googlecode.com/svn/trunk@11489 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
diff --git a/src/heap.cc b/src/heap.cc
index 023d99a..e2e0e9e 100644
--- a/src/heap.cc
+++ b/src/heap.cc
@@ -4991,8 +4991,10 @@
bool Heap::IdleNotification(int hint) {
const int kMaxHint = 1000;
- intptr_t size_factor = Min(Max(hint, 30), kMaxHint) / 10;
- // The size factor is in range [3..100].
+ intptr_t size_factor = Min(Max(hint, 20), kMaxHint) / 4;
+ // The size factor is in range [5..250]. The numbers here are chosen from
+ // experiments. If you changes them, make sure to test with
+ // chrome/performance_ui_tests --gtest_filter="GeneralMixMemoryTest.*
intptr_t step_size = size_factor * IncrementalMarking::kAllocatedThreshold;
if (contexts_disposed_ > 0) {
@@ -5016,11 +5018,14 @@
// Take into account that we might have decided to delay full collection
// because incremental marking is in progress.
ASSERT((contexts_disposed_ == 0) || !incremental_marking()->IsStopped());
+ // After context disposal there is likely a lot of garbage remaining, reset
+ // the idle notification counters in order to trigger more incremental GCs
+ // on subsequent idle notifications.
+ StartIdleRound();
return false;
}
- if (hint >= kMaxHint || !FLAG_incremental_marking ||
- FLAG_expose_gc || Serializer::enabled()) {
+ if (!FLAG_incremental_marking || FLAG_expose_gc || Serializer::enabled()) {
return IdleGlobalGC();
}
@@ -5059,10 +5064,6 @@
}
if (incremental_marking()->IsStopped()) {
- if (!WorthStartingGCWhenIdle()) {
- FinishIdleRound();
- return true;
- }
incremental_marking()->Start();
}