Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 809790625dc81779661a1edd255dbb9f9daf2ebd
https://github.com/WebKit/WebKit/commit/809790625dc81779661a1edd255dbb9f9daf2ebd
Author: Yusuke Suzuki <[email protected]>
Date: 2023-11-09 (Thu, 09 Nov 2023)
Changed paths:
M Source/JavaScriptCore/heap/Heap.cpp
M Source/JavaScriptCore/heap/Heap.h
M Source/JavaScriptCore/runtime/VM.cpp
M Source/WebCore/page/Page.cpp
Log Message:
-----------
[JSC] Prefer full GC on opportunistic GC when navigation happens
https://bugs.webkit.org/show_bug.cgi?id=264492
rdar://118179290
Reviewed by Wenson Hsieh.
Previously, when navigation happens, opportunistic GC may perform full GC.
But this happens only when GC statistics says "we should do full GC instead of
eden GC
based on memory usage".
But this happens only when navigation happens, and if we have enough time, then
it is
nice if we can just do full GC instead of eden GC even though we are not
reaching to
full GC threshold since (1) there are out-living objects and they can be
collected only
in full GC and (2) it is likely that most of objects are already garbage when
navigation
happens regardless of allocation threshold.
This patch changes scheduleOpportunisticFullCollectionIfNeeded to attempt to
perform full
GC always when navigation happens.
* Source/JavaScriptCore/heap/Heap.cpp:
(JSC::Heap::scheduleOpportunisticFullCollectionIfNeeded):
Canonical link: https://commits.webkit.org/270502@main
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