[Webkit-unassigned] [Bug 255226] New: [macOS] Tab Suspension ~8% Membuster MacBookAir8, 2 regression

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=255226

            Bug ID: 255226
           Summary: [macOS] Tab Suspension ~8% Membuster MacBookAir8,2
                    regression
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Mac (Intel)
                OS: macOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Process Model
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: miguel_salinas at apple.com

When running the membuster benchmark on MacBookAir8,2 with background tab suspension enabled, we are seeing a ~8% regression in performance. It appears to be due to the process having too low of a priority when responding to low memory OS signals.

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