[Webkit-unassigned] [Bug 245681] New: Disable minimode scavenger for GPUProcess

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245681

            Bug ID: 245681
           Summary: Disable minimode scavenger for GPUProcess
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: bmalloc
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: nham at apple.com
                CC: ggaren at apple.com

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.

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