From 452c68de199b3db8ab960785a70425c902b83721 Mon Sep 17 00:00:00 2001
From: pshu <pishu.spf@antfin.com>
Date: Mon, 17 Nov 2025 17:36:44 +0800
Subject: [PATCH 1/2] perf: base line

---
 benches/resolver.rs | 52 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/benches/resolver.rs b/benches/resolver.rs
index 55cd118..4b89165 100644
--- a/benches/resolver.rs
+++ b/benches/resolver.rs
@@ -8,6 +8,7 @@ use std::{
 };
 
 use criterion::{criterion_group, criterion_main, BenchmarkId, Criterion};
+use rspack_resolver::{ResolveOptions, Resolver};
 use serde_json::Value;
 use tokio::{
   runtime::{self, Builder},
@@ -91,6 +92,33 @@ fn rspack_resolver() -> rspack_resolver::Resolver {
   })
 }
 
+fn resolver_with_many_extensions() -> rspack_resolver::Resolver {
+  Resolver::new(ResolveOptions {
+    extensions: vec![
+      ".bad0".to_string(),
+      ".bad1".to_string(),
+      ".bad2".to_string(),
+      ".bad4".to_string(),
+      ".bad6".to_string(),
+      ".bad5".to_string(),
+      ".bad6".to_string(),
+      ".bad7".to_string(),
+      ".bad8".to_string(),
+      ".bad9".to_string(),
+      ".mtsx".to_string(),
+      ".mts".to_string(),
+      ".mjs".to_string(),
+      ".tsx".to_string(),
+      ".ts".to_string(),
+      ".jsx".to_string(),
+      ".js".to_string(),
+    ],
+    imports_fields: vec![],
+    exports_fields: vec![],
+    ..Default::default()
+  })
+}
+
 fn create_async_resolve_task(
   rspack_resolver: Arc<rspack_resolver::Resolver>,
   path: PathBuf,
@@ -183,6 +211,30 @@ fn bench_resolver(c: &mut Criterion) {
     },
   );
 
+  group.bench_with_input(
+    BenchmarkId::from_parameter("[single-threaded]resolve with many extensions"),
+    &data,
+    |b, data| {
+      let runner = runtime::Builder::new_current_thread()
+        .build()
+        .expect("failed to create tokio runtime");
+      let rspack_resolver = resolver_with_many_extensions();
+
+      b.to_async(runner).iter_with_setup(
+        || {
+          rspack_resolver.clear_cache();
+        },
+        |_| async {
+          for (path, request) in data {
+            _ = rspack_resolver
+              .resolve(path, &format!("{}/bad", request))
+              .await;
+          }
+        },
+      );
+    },
+  );
+
   group.bench_with_input(
     BenchmarkId::from_parameter("multi-thread"),
     &data,

From 2b5ef1e1595c3e01ec0dc3d5aa67cc15f1bc7a6a Mon Sep 17 00:00:00 2001
From: pshu <pishu.spf@antfin.com>
Date: Tue, 18 Nov 2025 09:04:40 +0800
Subject: [PATCH 2/2] refactor: sync bench code

---
 benches/resolver.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/benches/resolver.rs b/benches/resolver.rs
index 4b89165..9fe8762 100644
--- a/benches/resolver.rs
+++ b/benches/resolver.rs
@@ -98,8 +98,8 @@ fn resolver_with_many_extensions() -> rspack_resolver::Resolver {
       ".bad0".to_string(),
       ".bad1".to_string(),
       ".bad2".to_string(),
+      ".bad3".to_string(),
       ".bad4".to_string(),
-      ".bad6".to_string(),
       ".bad5".to_string(),
       ".bad6".to_string(),
       ".bad7".to_string(),