Bug 193949 - [JSC] CompleteSubpace is too large
Summary: [JSC] CompleteSubpace is too large
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Yusuke Suzuki
Depends on:
Blocks: 193606
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Reported: 2019-01-28 19:39 PST by Yusuke Suzuki
Modified: 2019-01-28 19:39 PST (History)
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Description Yusuke Suzuki 2019-01-28 19:39:36 PST
One CompleteSubspace takes 4152B! The large part of this is just m_allocatorForSizeStep (4024B), which holds 503 Allocators.
This is so wasting since our size class is not so many typically (in default configuration, it becomes 18).