RESOLVED FIXED 17504
Speed up DOM lists array subscription syntax by using the fast getOwnPropertySlot and set paths
https://bugs.webkit.org/show_bug.cgi?id=17504
Summary Speed up DOM lists array subscription syntax by using the fast getOwnProperty...
Sam Weinig
Reported 2008-02-23 17:20:36 PST
We are needlessly converting from unsigned -> Identifier -> unsigned when doing indexGetting and setting for DOM lists like the NodeList or the new CanvasPixelArray. We can speed it up by using the fast getOwnPropertySlot and put methods that take an unsigned. This technique is already employed by ArrayInstance.
Attachments
patch (5.67 KB, patch)
2008-02-23 17:32 PST, Sam Weinig
oliver: review+
Sam Weinig
Comment 1 2008-02-23 17:32:20 PST
Created attachment 19308 [details] patch This speeds Oliver's CanvasPixelArray test up by 6x.
Sam Weinig
Comment 2 2008-02-23 17:37:05 PST
Landed in r30529.
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