Bug 186782

Summary: Investigate StringImpl memory use
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: Web Template FrameworkAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: ap, simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Simon Fraser (smfr)
Reported 2018-06-18 11:48:57 PDT
The data in bug 186422 show that the StringImpl heap uses about 20MB of dirty memory, but only contains about 6MB of data, so there's a potential memory saving here of up to 14MB. VIRTUAL RESIDENT DIRTY SWAPPED ALLOCATION BYTES DIRTY+SWAP REGION MALLOC ZONE SIZE SIZE SIZE SIZE COUNT ALLOCATED FRAG SIZE % FRAG COUNT =========== ======= ========= ========= ========= ========= ========= ========= ====== ====== WebKit StringImpl_0x10b4c0000 100.0M 23.2M 19.9M 0K 74493 6166K 13.9M 70% 27
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Radar WebKit Bug Importer
Comment 1 2018-06-18 11:49:22 PDT
<rdar://problem/41218701>
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