NEW 252612
shrink CSSSelector 
https://bugs.webkit.org/show_bug.cgi?id=252612
Summary shrink CSSSelector
Cameron McCormack (:heycam)
Reported 2023-02-20 14:24:21 PST
On 64 bit, CSSSelector is currently 16 bytes. By moving some of its data to the rare data object, we can pack the remaining bits with the data union to shrink it to 8 bytes. CSSSelector is a frequently allocated object, so this should have noticeable memory savings.
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Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2023-02-20 14:24:38 PST
<rdar://problem/105696499>
Cameron McCormack (:heycam)
Comment 2 2023-02-20 14:26:47 PST
Pull request: https://github.com/WebKit/WebKit/pull/10397
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