[Webkit-unassigned] [Bug 99118] JSC Should atomize constant strings before handing them to WebCore

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=99118





--- Comment #14 from Oliver Hunt <oliver at apple.com>  2012-10-12 15:24:58 PST ---
(In reply to comment #13)
> To be clear, the add(StringImpl*) case covers AtomicStrings which had been converted to String/StringImple somewhere else in the engine.
> 
> I chose this entry point to avoid counting strings which came from some other source (like constants in c++, or the HTML parser), or for strings which are created from a substring of other strings (add(StringImpl*, int start, int end) is a wholly separate beast).
> 
> I'm generating frequency count data for add(StringImpl*) from the web now.  (I don't think frequency count data from dom-query.html would be very interesting... and it's huge anyway.)

I don't care about the frequency of hit vs. non-hit, i want a histogram of what strings take the slow case

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