Changeset 223222 in webkit for trunk/Source/JavaScriptCore/runtime/Options.h

Timestamp:

Oct 11, 2017, 5:53:45 PM (8 years ago)

Author:

[email protected]

Message:

Runtime disable poly proto because it may be a 3-4% Speedometer regression
​https://bugs.webkit.org/show_bug.cgi?id=178192

Reviewed by JF Bastien.

Source/JavaScriptCore:

• runtime/Options.h:
• runtime/StructureInlines.h:

(JSC::Structure::shouldConvertToPolyProto):

Tools:

• Scripts/run-jsc-stress-tests:

File:

• trunk/Source/JavaScriptCore/runtime/Options.h (modified) (1 diff)

trunk/Source/JavaScriptCore/runtime/Options.h

@@ -474 +474 @@
     v(bool, useObjectRestSpread, true, Normal, "If true, we will enable Object Rest/Spread feature.") \
     v(bool, useArrayAllocationProfiling, true, Normal, "If true, we will use our normal array allocation profiling. If false, the allocation profile will always claim to be undecided.")\
+    v(bool, usePolyProto, false, Normal, "If true, we may convert allocations to generate poly proto structures.") \
     v(bool, forcePolyProto, false, Normal, "If true, create_this will always create an object with a poly proto structure.")