From 91692846909ed191addb7ec1c34aad11392ab88b Mon Sep 17 00:00:00 2001 From: nsfisis Date: Sat, 18 Jul 2026 15:03:55 +0900 Subject: perf(regex): eliminate per-call clone overhead in preg_* dispatch 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 --- crates/shirabe/src/repository/vcs/vcs_driver.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'crates/shirabe/src/repository/vcs/vcs_driver.rs') diff --git a/crates/shirabe/src/repository/vcs/vcs_driver.rs b/crates/shirabe/src/repository/vcs/vcs_driver.rs index 1dce8567..5aa74959 100644 --- a/crates/shirabe/src/repository/vcs/vcs_driver.rs +++ b/crates/shirabe/src/repository/vcs/vcs_driver.rs @@ -13,7 +13,7 @@ use crate::util::http::Response; use chrono::{DateTime, FixedOffset}; use indexmap::IndexMap; use shirabe_external_packages::composer::pcre::Preg; -use shirabe_php_shim::{DATE_RFC3339, PhpMixed, extension_loaded}; +use shirabe_php_shim::{DATE_RFC3339, PhpMixed, extension_loaded, php_regex}; #[derive(Debug)] pub struct VcsDriverBase { @@ -56,7 +56,7 @@ impl VcsDriverBase { } pub fn should_cache(&self, identifier: &str) -> bool { - self.cache.is_some() && Preg::is_match("{^[a-f0-9]{40}$}iD", identifier) + self.cache.is_some() && Preg::is_match(php_regex!("{^[a-f0-9]{40}$}iD"), identifier) } pub fn get_scheme(&self) -> &str { @@ -199,7 +199,7 @@ pub trait VcsDriver: VcsDriverInterface { fn cache_mut(&mut self) -> Option<&mut Cache>; fn should_cache(&self, identifier: &str) -> bool { - self.cache().is_some() && Preg::is_match("{^[a-f0-9]{40}$}iD", identifier) + self.cache().is_some() && Preg::is_match(php_regex!("{^[a-f0-9]{40}$}iD"), identifier) } fn get_composer_information( -- cgit v1.3.1