From dd325362f9920102779a592e2e53fdcf21d27d2c Mon Sep 17 00:00:00 2001
From: harttle <yangjvn@126.com>
Date: Sun, 3 Oct 2021 19:07:51 +0800
Subject: [PATCH] chore: perf check, will fail if regression > 3%

---
 .github/workflows/check.yml | 5 ++++-
 benchmark/diff.js           | 3 +++
 bin/perf-diff.sh            | 2 +-
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index a69e17811..f08d07a65 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -24,4 +24,7 @@ jobs:
       - name: Coverage
         uses: coverallsapp/github-action@v1.1.2
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Performance
+        run: |
+          npm run perf:diff
\ No newline at end of file
diff --git a/benchmark/diff.js b/benchmark/diff.js
index 22c38b702..ac380f7f8 100755
--- a/benchmark/diff.js
+++ b/benchmark/diff.js
@@ -45,3 +45,6 @@ const diff = (localResult.perf - latestResult.perf) / latestResult.perf
 console.log(`Local: ${localResult.perf.toFixed(3)} ops/s (${localResult.cycles} cycles)`)
 console.log(`Latest: ${latestResult.perf.toFixed(3)} ops/s (${latestResult.cycles} cycles)`)
 console.log(`Diff: ${(diff * 100).toFixed(3)}%`)
+
+const THRESHOLD_PERCENT = -3
+process.exit(diff * 100 < THRESHOLD_PERCENT ? 1 : 0)
diff --git a/bin/perf-diff.sh b/bin/perf-diff.sh
index fbd1cb9aa..eae3fd28d 100755
--- a/bin/perf-diff.sh
+++ b/bin/perf-diff.sh
@@ -13,4 +13,4 @@ if [ ! -f $FILE_LOCAL ]; then
     BUNDLES=cjs npm run build:dist
 fi
 
-node benchmark/diff.js $FILE_LOCAL $FILE_LATEST
+exec node benchmark/diff.js $FILE_LOCAL $FILE_LATEST