[Webkit-unassigned] [Bug 86436] shrinkToFit() is often not called for Vectors in CodeBlock

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=86436


Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |simon.fraser at apple.com




--- Comment #11 from Simon Fraser (smfr) <simon.fraser at apple.com>  2012-05-15 19:39:07 PST ---
Even after this change I see a lot of wasted capacity under:


1   0x108813e54 WTF::SegmentedVector<JSC::RareCaseProfile, 8ul>::SegmentedVector()
2   0x10880c43d JSC::CodeBlock::CodeBlock(JSC::ScriptExecutable*, JSC::CodeType, JSC::JSGlobalObject*, WTF::PassRefPtr<JSC::SourceProvider>, unsigned int, WTF::HashMap<WTF::RefPtr<WTF::StringImpl>, JSC::SymbolTableEntry, JSC::IdentifierRepHash, WTF::HashTraits<WTF::RefPtr<WTF::StringImpl> >, JSC::SymbolTableIndexHashTraits>*, bool, WTF::PassOwnPtr<JSC::CodeBlock>)
3   0x108878757 JSC::FunctionCodeBlock::FunctionCodeBlock(JSC::FunctionExecutable*, JSC::CodeType, JSC::JSGlobalObject*, WTF::PassRefPtr<JSC::SourceProvider>, unsigned int, bool, WTF::PassOwnPtr<JSC::CodeBlock>)
4   0x108875c5b JSC::FunctionExecutable::produceCodeBlockFor(JSC::ScopeChainNode*, JSC::CompilationKind, JSC::CodeSpecializationKind, JSC::JSObject*&)
5   0x108875689 JSC::FunctionExecutable::compileForCallInternal(JSC::ExecState*, JSC::ScopeChainNode*, JSC::JITCode::JITType)

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