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RESOLVED FIXED
42468
Fusing the bitmap get and set operations during GC marking improves performance
https://bugs.webkit.org/show_bug.cgi?id=42468
Summary
Fusing the bitmap get and set operations during GC marking improves performance
Nathan Lawrence
Reported
2010-07-16 10:40:34 PDT
Created
attachment 61824
[details]
Patch At collection time, we frequently want to mark a cell, while checking whether it was originally checked. Previously, this was a get operation follwed by a set operation. Fusing the two saves computation and gives a 0.5% sunspider speedup.
Attachments
Patch
(3.98 KB, patch)
2010-07-16 10:40 PDT
,
Nathan Lawrence
no flags
Details
Formatted Diff
Diff
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Add attachment
proposed patch, testcase, etc.
Geoffrey Garen
Comment 1
2010-07-16 11:01:30 PDT
Comment on
attachment 61824
[details]
Patch r=me
WebKit Commit Bot
Comment 2
2010-08-11 05:14:32 PDT
Comment on
attachment 61824
[details]
Patch Clearing flags on attachment: 61824 Committed
r65146
: <
http://trac.webkit.org/changeset/65146
>
WebKit Commit Bot
Comment 3
2010-08-11 05:14:36 PDT
All reviewed patches have been landed. Closing bug.
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