Optimize processBoxShadow with pre-compiled regex patterns#55825
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sammy-SC wants to merge 1 commit intofacebook:mainfrom
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Optimize processBoxShadow with pre-compiled regex patterns#55825sammy-SC wants to merge 1 commit intofacebook:mainfrom
sammy-SC wants to merge 1 commit intofacebook:mainfrom
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…55825) Summary: changelog: [internal] Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler. Benchmark results show 6-7% improvement in "views with large props and styles" tests: - render 100 views with large props/styles: 9.48ms → 8.89ms (-6.2%) - render 1500 views with large props/styles: 137.2ms → 127.5ms (-7.0%) Reviewed By: javache, NickGerleman Differential Revision: D92153667
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…55825) Summary: changelog: [internal] Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler. Benchmark results show 6-7% improvement in "views with large props and styles" tests: - render 100 views with large props/styles: 9.48ms → 8.89ms (-6.2%) - render 1500 views with large props/styles: 137.2ms → 127.5ms (-7.0%) Reviewed By: javache, NickGerleman Differential Revision: D92153667
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Mar 2, 2026
…55825) Summary: changelog: [internal] Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler. Benchmark results show 6-7% improvement in "views with large props and styles" tests: - render 100 views with large props/styles: 9.48ms → 8.89ms (-6.2%) - render 1500 views with large props/styles: 137.2ms → 127.5ms (-7.0%) Reviewed By: javache, NickGerleman Differential Revision: D92153667
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…55825) Summary: Pull Request resolved: facebook#55825 changelog: [internal] Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler. Benchmark results show 6-7% improvement in "views with large props and styles" tests: - render 100 views with large props/styles: 9.48ms → 8.89ms (-6.2%) - render 1500 views with large props/styles: 137.2ms → 127.5ms (-7.0%) Reviewed By: javache, NickGerleman Differential Revision: D92153667
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…55825) Summary: Pull Request resolved: facebook#55825 changelog: [internal] Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler. Benchmark results show 6-7% improvement in "views with large props and styles" tests: - render 100 views with large props/styles: 9.48ms → 8.89ms (-6.2%) - render 1500 views with large props/styles: 137.2ms → 127.5ms (-7.0%) Reviewed By: javache, NickGerleman Differential Revision: D92153667
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This pull request was successfully merged by @sammy-SC in b5c815c When will my fix make it into a release? | How to file a pick request? |
zoontek
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Mar 9, 2026
…55825) Summary: Pull Request resolved: facebook#55825 changelog: [internal] Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler. Benchmark results show 6-7% improvement in "views with large props and styles" tests: - render 100 views with large props/styles: 9.48ms → 8.89ms (-6.2%) - render 1500 views with large props/styles: 137.2ms → 127.5ms (-7.0%) Reviewed By: javache, NickGerleman Differential Revision: D92153667 fbshipit-source-id: d4cd98d34e968b2cea5a491ede4ed727273708cd
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Summary:
changelog: [internal]
Hoist regex patterns to module-level constants to avoid recompiling them on every function call. This optimization targets a hotspot identified via JS sampling profiler.
Benchmark results show 6-7% improvement in "views with large props and styles" tests:
Reviewed By: javache, NickGerleman
Differential Revision: D92153667