Bug 245681 - Disable minimode scavenger for GPUProcess
Summary: Disable minimode scavenger for GPUProcess
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: bmalloc (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Ben Nham
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2022-09-26 09:43 PDT by Ben Nham
Modified: 2022-09-26 15:42 PDT (History)
3 users (show)

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Description Ben Nham 2022-09-26 09:43:09 PDT 
GPUProcess CPU usage during YouTube playback regressed by ~10% in the last major release. About 30% of that is coming from extra activity in the scavenger thread due to increased scavenger frequency (242195) and work (235347).

To work around this, disable the mini mode scavenger entirely in GPUProcess. This is neutral for both Membuster and RAMification.
Comment 1 Ben Nham 2022-09-26 09:44:14 PDT 
rdar://100286875
Comment 2 Ben Nham 2022-09-26 09:45:42 PDT 
Pull request: https://github.com/WebKit/WebKit/pull/4711
Comment 3 EWS 2022-09-26 15:42:35 PDT 
Committed 254880@main (da2a972847cb): <https://commits.webkit.org/254880@main>

Reviewed commits have been landed. Closing PR #4711 and removing active labels.