RESOLVED FIXED286253
[SP3] Regression | 01/13 | 0.9% | 288829@main : M1 MacBook Air (MBA10,1) 
https://bugs.webkit.org/show_bug.cgi?id=286253
Summary [SP3] Regression | 01/13 | 0.9% | 288829@main : M1 MacBook Air (MBA10,1)
Antti Koivisto
Reported 2025-01-20 02:16:37 PST
https://commits.webkit.org/288829@main was a Speedometer regression: Speedometer-3 A: 32.63 pt ± 89 mpt B: 32.42 pt ± 74 mpt 0.65% worse (significant with 98% probability) + Speedometer-3 ∋ Charts-chartjs A: 37.74 ms ± 0.41 ms B: 37.89 ms ± 0.25 ms 0.40% worse (insignificant) + Speedometer-3 ∋ Charts-observable-plot A: 38.28 ms ± 0.16 ms B: 38.21 ms ± 0.24 ms 0.20% better (insignificant) + Speedometer-3 ∋ Editor-CodeMirror A: 22.06 ms ± 0.056 ms B: 22.15 ms ± 0.059 ms 0.42% worse (significant with 98% probability) + Speedometer-3 ∋ Editor-TipTap A: 55.82 ms ± 0.23 ms B: 55.87 ms ± 0.29 ms 0.10% worse (insignificant) + Speedometer-3 ∋ NewsSite-Next A: 57.18 ms ± 0.46 ms B: 57.60 ms ± 0.47 ms 0.73% worse (insignificant) + Speedometer-3 ∋ NewsSite-Nuxt A: 57.93 ms ± 0.18 ms B: 58.37 ms ± 0.24 ms 0.76% worse (significant with 98% probability) + Speedometer-3 ∋ Perf-Dashboard A: 32.08 ms ± 0.16 ms B: 32.45 ms ± 0.14 ms 1.14% worse (significant with 98% probability) + Speedometer-3 ∋ React-Stockcharts-SVG A: 72.46 ms ± 0.50 ms B: 73.26 ms ± 0.48 ms 1.10% worse (significant with 98% probability) + Speedometer-3 ∋ TodoMVC-Angular-Complex-DOM A: 31.14 ms ± 0.21 ms B: 31.54 ms ± 0.25 ms 1.29% worse (significant with 98% probability) + Speedometer-3 ∋ TodoMVC-Backbone A: 24.88 ms ± 0.15 ms B: 25.10 ms ± 0.14 ms 0.91% worse (significant with 95% probability) + Speedometer-3 ∋ TodoMVC-JavaScript-ES5 A: 32.33 ms ± 0.15 ms B: 32.58 ms ± 0.16 ms 0.79% worse (significant with 98% probability) + Speedometer-3 ∋ TodoMVC-JavaScript-ES6-Webpack-Complex-DOM A: 40.72 ms ± 0.27 ms B: 41.35 ms ± 0.29 ms 1.55% worse (significant with 98% probability) + Speedometer-3 ∋ TodoMVC-Lit-Complex-DOM A: 13.56 ms ± 0.16 ms B: 13.66 ms ± 0.085 ms 0.81% worse (insignificant) + Speedometer-3 ∋ TodoMVC-Preact-Complex-DOM A: 12.44 ms ± 0.18 ms B: 12.44 ms ± 0.15 ms 0.05% better (insignificant) + Speedometer-3 ∋ TodoMVC-React-Complex-DOM A: 30.19 ms ± 0.25 ms B: 30.30 ms ± 0.11 ms 0.36% worse (insignificant) + Speedometer-3 ∋ TodoMVC-React-Redux A: 30.90 ms ± 0.26 ms B: 31.22 ms ± 0.22 ms 1.02% worse (insignificant) + Speedometer-3 ∋ TodoMVC-Svelte-Complex-DOM A: 9.850 ms ± 0.11 ms B: 9.909 ms ± 0.054 ms 0.60% worse (insignificant) + Speedometer-3 ∋ TodoMVC-Vue A: 21.48 ms ± 0.22 ms B: 21.65 ms ± 0.21 ms 0.78% worse (insignificant) + Speedometer-3 ∋ TodoMVC-WebComponents A: 15.28 ms ± 0.24 ms B: 15.14 ms ± 0.19 ms 0.87% better (insignificant) + Speedometer-3 ∋ TodoMVC-jQuery A: 89.83 ms ± 0.34 ms B: 91.04 ms ± 0.29 ms 1.34% worse (significant with 98% probability)
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Add attachment proposed patch, testcase, etc.
Antti Koivisto
Comment 1 2025-01-20 02:20:36 PST
rdar://143048148
Sam Weinig
Comment 2 2025-01-20 18:30:46 PST
Pull request: https://github.com/WebKit/WebKit/pull/39308
EWS
Comment 3 2025-01-22 09:36:59 PST
Committed 289240@main (816b15c525b3): <https://commits.webkit.org/289240@main> Reviewed commits have been landed. Closing PR #39308 and removing active labels.
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