Title: [200097] trunk/Source/_javascript_Core
- Revision
- 200097
- Author
- [email protected]
- Date
- 2016-04-26 10:46:23 -0700 (Tue, 26 Apr 2016)
Log Message
2016-04-26 Oliver Hunt <[email protected]>
Enable separated heap by default on ios
https://bugs.webkit.org/show_bug.cgi?id=156720
Unreviewed roll-in of this change. There is only one
additional allocation involved in this logic, and that
is a duplicate mapping.
Either our tools are not report real memory usage
or this revision is not responsible for the regression.
* runtime/Options.cpp:
(JSC::recomputeDependentOptions):
Modified Paths
Diff
Modified: trunk/Source/_javascript_Core/ChangeLog (200096 => 200097)
--- trunk/Source/_javascript_Core/ChangeLog 2016-04-26 17:38:43 UTC (rev 200096)
+++ trunk/Source/_javascript_Core/ChangeLog 2016-04-26 17:46:23 UTC (rev 200097)
@@ -1,3 +1,18 @@
+2016-04-26 Oliver Hunt <[email protected]>
+
+ Enable separated heap by default on ios
+ https://bugs.webkit.org/show_bug.cgi?id=156720
+
+ Unreviewed roll-in of this change. There is only one
+ additional allocation involved in this logic, and that
+ is a duplicate mapping.
+
+ Either our tools are not report real memory usage
+ or this revision is not responsible for the regression.
+
+ * runtime/Options.cpp:
+ (JSC::recomputeDependentOptions):
+
2016-04-26 Filip Pizlo <[email protected]>
DFG backends shouldn't emit type checks at KnownBlah edges
Modified: trunk/Source/_javascript_Core/runtime/Options.cpp (200096 => 200097)
--- trunk/Source/_javascript_Core/runtime/Options.cpp 2016-04-26 17:38:43 UTC (rev 200096)
+++ trunk/Source/_javascript_Core/runtime/Options.cpp 2016-04-26 17:46:23 UTC (rev 200097)
@@ -341,6 +341,13 @@
Options::useOSREntryToFTL() = false;
}
+#if PLATFORM(IOS) && !PLATFORM(IOS_SIMULATOR) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 100000
+ // Override globally for now. Longer term we'll just make the default
+ // be to have this option enabled, and have platforms that don't support
+ // it just silently use a single mapping.
+ Options::useSeparatedWXHeap() = true;
+#endif
+
// Compute the maximum value of the reoptimization retry counter. This is simply
// the largest value at which we don't overflow the execute counter, when using it
// to left-shift the execution counter by this amount. Currently the value ends
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