Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 5d4d979260eea6c0c2d55beef34a3ade47905f01
https://github.com/WebKit/WebKit/commit/5d4d979260eea6c0c2d55beef34a3ade47905f01
Author: Yijia Huang <[email protected]>
Date: 2024-10-15 (Tue, 15 Oct 2024)
Changed paths:
A JSTests/microbenchmarks/global-atom-substring-match-multi-chars.js
A JSTests/microbenchmarks/global-atom-substring-match-one-char.js
R JSTests/microbenchmarks/global-atom-substring-match.js
M Source/JavaScriptCore/dfg/DFGOperations.cpp
M Source/JavaScriptCore/runtime/RegExpObject.cpp
M Source/JavaScriptCore/runtime/RegExpSubstringGlobalAtomCache.cpp
Log Message:
-----------
[JSC] Apply string search for substring match global, atom, and one char
pattern
https://bugs.webkit.org/show_bug.cgi?id=281440
rdar://137891651
Reviewed by Yusuke Suzuki.
RegExp match is slow. This patch applies string search for
substring match with global, atom, and one char pattern.
before
after
global-atom-substring-match-multi-chars 1.6233+-0.0061 ?
1.6337+-0.0057 ?
global-atom-substring-match-one-char 4.8063+-0.0086 ^
1.9914+-0.0066 ^ definitely 2.4135x faster
* JSTests/microbenchmarks/global-atom-substring-match-multi-chars.js: Copied
from JSTests/microbenchmarks/global-atom-substring-match.js.
(test):
* JSTests/microbenchmarks/global-atom-substring-match-one-char.js: Renamed from
JSTests/microbenchmarks/global-atom-substring-match.js.
(test):
* Source/JavaScriptCore/dfg/DFGOperations.cpp:
(JSC::DFG::JSC_DEFINE_JIT_OPERATION):
* Source/JavaScriptCore/runtime/RegExpObject.cpp:
(JSC::RegExpObject::matchGlobal):
* Source/JavaScriptCore/runtime/RegExpSubstringGlobalAtomCache.cpp:
(JSC::RegExpSubstringGlobalAtomCache::collectMatches):
Canonical link: https://commits.webkit.org/285201@main
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