[regexp] Optimize regexp bytecode analysis [v8/v8 : main]

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Jakob Linke (Gerrit)

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Apr 3, 2026, 2:04:34 PM (3 days ago) Apr 3
to Patrick Thier, chrom...@appspot.gserviceaccount.com, V8 LUCI CQ, jgrube...@chromium.org, pthier...@chromium.org, v8-re...@googlegroups.com
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Jakob Linke . resolved

ptal. Nothing happening here other than refactoring.

Interesting that m1 shows such strong regressions with --regexp_bytecode_analysis. I don't see anything like that locally. BytecodeAnalysis in the 0.0X% range in profiles.

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Gerrit-Change-Id: Ibb357f6e315b8e1b770d4a2bf62fbae02b5680a4
Gerrit-Change-Number: 7626560
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chromeperf@appspot.gserviceaccount.com (Gerrit)

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Apr 3, 2026, 2:05:40 PM (3 days ago) Apr 3
to Jakob Linke, Patrick Thier, V8 LUCI CQ, jgrube...@chromium.org, pthier...@chromium.org, v8-re...@googlegroups.com
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Message from chrom...@appspot.gserviceaccount.com

📍 Job mac-m4-mini-perf/jetstream-main.crossbench complete.

  • prismjs-startup-es6: base median = 612.7084909193863 -> patched median = 565.1555496203478
  • validatorjs: base median = 750.9150114855296 -> patched median = 704.3381679286344


See results at: https://pinpoint-dot-chromeperf.appspot.com/job/1771f5f7090000

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Gerrit-Change-Number: 7626560
Gerrit-PatchSet: 5
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