Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: aeba3155349ab6eb3998af4009a304dfb9613f01
https://github.com/WebKit/WebKit/commit/aeba3155349ab6eb3998af4009a304dfb9613f01
Author: Yusuke Suzuki <[email protected]>
Date: 2024-08-29 (Thu, 29 Aug 2024)
Changed paths:
M Source/JavaScriptCore/runtime/JSArray.cpp
Log Message:
-----------
[JSC] Squeeze JSArray::fastSlice fast path
https://bugs.webkit.org/show_bug.cgi?id=278844
rdar://134912070
Reviewed by Yijia Huang.
JSArray::fastSlice is one of the hottest code in various JS2 subtest. This
patch squeezes its fast path
by allocating Butterfly, copying things and creating JSArray carefully.
* Source/JavaScriptCore/runtime/JSArray.cpp:
(JSC::JSArray::fastSlice):
Canonical link: https://commits.webkit.org/282922@main
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