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Ran 15 Jul 2026 11:29PM UTC

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Committed 15 Jul 2026 11:29PM UTC coverage: 91.899% (+0.02%) from 91.878%

Job # 29458672132.1

Build Type

Pull #12

github

Committed by

dunglas

Commit Message

perf: share precompiled regexps for common component patterns

Compiling a URLPattern compiles one regexp per URL component. In typical
patterns most components are the full wildcard (the default for username,
password, search and hash) or empty (a common port), whose generated
expressions are a small fixed set of constant strings. Reuse a shared
precompiled *regexp.Regexp for those (safe for concurrent use) instead of
calling regexp.Compile per component.

New geomean: -21% time, -25% B/op, -22% allocs (BenchmarkNew).

Pull Request Pull Request #12: perf: share precompiled regexps for common component patterns

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1486 of 1617 relevant lines covered (91.9%)

1130.98 hits per line

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