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The earlier measurements documented in the perf notes were taken with
--no-audit to keep the security-advisories request out of the timings,
but the flag never landed in the committed script. Add it so future
runs are comparable.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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regex::Regex::clone() does not share the underlying meta engine's
search-cache pool, so every fresh clone pays a ~10us warmup cost on
its first use. Two changes together eliminate this across nearly all
preg_* call sites:
- A php_regex! macro resolves PHP-style patterns to a per-call-site
&'static regex::Regex (via regex-macro's LazyLock), applied at the
majority of call sites throughout the codebase.
- Call sites still passing dynamic pattern strings go through
PATTERN_CACHE, which now stores Arc<(Regex, bool)> and hands out
Arc::clone()s instead of cloning the Regex itself.
PregPattern::resolve() returns a ResolvedPattern enum (Arc or
'static reference) rather than an owned Regex, so neither path ever
clones the Regex proper.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Lighter-weight companion to scripts/bench/create-project.sh: compares
shirabe vs composer on dependency resolution alone (require --no-install
--no-audit), skipping the download/install step that dominates
create-project's runtime.
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