Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 0ac3e5f3c4d0c91cfc3548c1a41b82cbb8735707
https://github.com/WebKit/WebKit/commit/0ac3e5f3c4d0c91cfc3548c1a41b82cbb8735707
Author: Yusuke Suzuki <[email protected]>
Date: 2023-06-21 (Wed, 21 Jun 2023)
Changed paths:
A JSTests/microbenchmarks/array-concat-double-and-int32.js
A JSTests/microbenchmarks/array-concat-int32-and-double.js
M Source/JavaScriptCore/runtime/ArrayPrototype.cpp
M Source/JavaScriptCore/runtime/JSArray.cpp
M Source/JavaScriptCore/runtime/JSArray.h
M Source/JavaScriptCore/runtime/JSArrayInlines.h
Log Message:
-----------
[JSC] Support ArrayWithInt32.concat(ArrayWithDouble) fast path
https://bugs.webkit.org/show_bug.cgi?id=258340
rdar://111085265
Reviewed by Michael Saboff.
This patch adds ArrayWithInt32.concat(ArrayWithDouble) fast path by promoting
from Int32 to Double array.
ToT Patched
array-concat-int32-and-double 1.6732+-0.0203 ^
1.2596+-0.0190 ^ definitely 1.3283x faster
array-concat-double-and-int32 1.5538+-0.0151 ^
1.2633+-0.0136 ^ definitely 1.2299x faster
* Source/JavaScriptCore/runtime/ArrayPrototype.cpp:
(JSC::concatAppendOne):
(JSC::copyElements):
(JSC::JSC_DEFINE_HOST_FUNCTION):
* Source/JavaScriptCore/runtime/JSArray.cpp:
(JSC::JSArray::appendMemcpy):
* Source/JavaScriptCore/runtime/JSArray.h:
* Source/JavaScriptCore/runtime/JSArrayInlines.h:
(JSC::JSArray::mergeIndexingTypeForCopying):
Canonical link: https://commits.webkit.org/265386@main
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