chore: limit threads for codspeed benchmark (#12763)

Limit threads

Author: CPunisher

.github/actions/codspeed/action.yaml

@@ -77,8 +77,11 @@ jobs:
         run: pnpm run build:js
 
       - name: Run benchmark
-        uses: ./.github/actions/codspeed
+        uses: CodSpeedHQ/action@0700edb451d0e9f2426f99bd6977027e550fb2a6 # https://github.com/CodSpeedHQ/action/releases/tag/v4.7.0
         timeout-minutes: 30
+        env:
+          RAYON_NUM_THREADS: 1
         with:
+          mode: 'simulation'
           run: pnpm run bench:ci
           token: ${{ secrets.CODSPEED_TOKEN }}

.github/workflows/reusable-build-bench.yml

@@ -22,7 +22,8 @@ fn bundle_benchmark(c: &mut Criterion) {
 
   // Codspeed can only handle to up to 500 threads by default
   let rt = runtime::Builder::new_multi_thread()
-    .max_blocking_threads(256)
+    .worker_threads(8)
+    .max_blocking_threads(8)
     .build()
     .unwrap();