Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 33eeb781c9b5901be1d162e566d9f8bdc9bd7152
https://github.com/WebKit/WebKit/commit/33eeb781c9b5901be1d162e566d9f8bdc9bd7152
Author: Yusuke Suzuki <[email protected]>
Date: 2023-05-15 (Mon, 15 May 2023)
Changed paths:
M Source/JavaScriptCore/runtime/JSBigInt.h
M Source/JavaScriptCore/runtime/JSCellInlines.h
M Source/JavaScriptCore/runtime/JSString.h
M Source/JavaScriptCore/runtime/Structure.cpp
M Source/JavaScriptCore/runtime/Structure.h
M Source/JavaScriptCore/runtime/StructureInlines.h
M Source/JavaScriptCore/runtime/Symbol.h
Log Message:
-----------
[JSC] Further simplify Structure transitions
https://bugs.webkit.org/show_bug.cgi?id=256804
rdar://109371189
Reviewed by Mark Lam.
Micro-optimize Put operation.
1. Inline Structure::pin.
2. Leverage overridesPut flag.
ToT Patched
dictionary-addition 111.8379+-0.6996 ^ 106.8357+-0.6202
^ definitely 1.0468x faster
* Source/JavaScriptCore/runtime/JSCellInlines.h:
(JSC::JSCell::putInline):
* Source/JavaScriptCore/runtime/Structure.cpp:
(JSC::Structure::pin): Deleted.
* Source/JavaScriptCore/runtime/Structure.h:
* Source/JavaScriptCore/runtime/StructureInlines.h:
(JSC::Structure::pin):
Canonical link: https://commits.webkit.org/264106@main
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