[Webkit-unassigned] [Bug 64863] New: Switch isPrimitiveValue() virtual function to inline one.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64863

           Summary: Switch isPrimitiveValue() virtual function to inline
                    one.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: Czene.Tamas at stud.u-szeged.hu


Removing the virtual functions - removing the calls - makes measurable performance progression on CSS.

We measured the following performance progressions on some very popular websites, for example:
msn.com: 33%
yandex.ru: 3,3%

The number of variables created during the test.
m_isPrimitiveValue 261596
The max number of variables in the memory during the test.
m_isPrimitiveValue 468

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