Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 78c71941cfa379247aec320400975fedb7f5ea63
https://github.com/WebKit/WebKit/commit/78c71941cfa379247aec320400975fedb7f5ea63
Author: Yusuke Suzuki <ysuz...@apple.com>
Date: 2025-08-05 (Tue, 05 Aug 2025)
Changed paths:
A JSTests/microbenchmarks/parse-line-comment.js
M Source/JavaScriptCore/parser/Lexer.cpp
Log Message:
-----------
[JSC] Scan line comment via SIMD
https://bugs.webkit.org/show_bug.cgi?id=296951
rdar://157594015
Reviewed by Yijia Huang.
This patch adds SIMD fast scan for line comment. It is just simply
looking for a line terminator.
ToT Patched
parse-line-comment 32.7271+-0.3263 ^ 27.5149+-0.0741 ^
definitely 1.1894x faster
* JSTests/microbenchmarks/parse-line-comment.js: Added.
(shouldBe):
(test):
* Source/JavaScriptCore/parser/Lexer.cpp:
(JSC::Lexer<T>::lexWithoutClearingLineTerminator):
Canonical link: https://commits.webkit.org/298266@main
To unsubscribe from these emails, change your notification settings at
https://github.com/WebKit/WebKit/settings/notifications
_______________________________________________
webkit-changes mailing list
webkit-changes@lists.webkit.org
https://lists.webkit.org/mailman/listinfo/webkit-changes
