diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
new file mode 100644
index 0000000..88cef99
--- /dev/null
+++ b/.github/workflows/bench.yml
@@ -0,0 +1,69 @@
+name: bench
+on:
+ push:
+ tags:
+ - v*
+ branches:
+ - master
+ - main
+ pull_request:
+env:
+ GO111MODULE: "on"
+jobs:
+ bench:
+ strategy:
+ matrix:
+ go-version: [ 1.16.x ]
+ runs-on: ubuntu-latest
+ steps:
+ - name: Install Go
+ uses: actions/setup-go@v2
+ with:
+ go-version: ${{ matrix.go-version }}
+ - name: Checkout code
+ uses: actions/checkout@v2
+ - name: Restore vendor
+ uses: actions/cache@v2
+ with:
+ path: |
+ vendor
+ key: ${{ runner.os }}-go${{ matrix.go-version }}-vendor-${{ hashFiles('**/go.mod') }}
+ - name: Populate dependencies
+ run: |
+ (test -d vendor && echo vendor found) || (go mod vendor && du -sh vendor && du -sh ~/go/pkg/mod)
+ - name: Restore benchstat
+ uses: actions/cache@v2
+ with:
+ path: ~/go/bin/benchstat
+ key: ${{ runner.os }}-benchstat
+ - name: Restore base benchmark result
+ uses: actions/cache@v2
+ with:
+ path: |
+ bench-master.txt
+ bench-main.txt
+ # Use base sha for PR or new commit hash for master/main push in benchmark result key.
+ key: ${{ runner.os }}-bench-${{ (github.event.pull_request.base.sha != github.event.after) && github.event.pull_request.base.sha || github.event.after }}
+ - name: Benchmark
+ id: bench
+ run: |
+ export REF_NAME=${GITHUB_REF##*/}
+ BENCH_COUNT=5 make bench-run bench-stat
+ OUTPUT=$(make bench-stat)
+ OUTPUT="${OUTPUT//'%'/'%25'}"
+ OUTPUT="${OUTPUT//$'\n'/'%0A'}"
+ OUTPUT="${OUTPUT//$'\r'/'%0D'}"
+ echo "::set-output name=result::$OUTPUT"
+ - name: Comment Benchmark Result
+ uses: marocchino/sticky-pull-request-comment@v2
+ with:
+ GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+ header: bench
+ message: |
+ ### Benchmark Result
+ Benchmark diff with base branch
+
+ ```
+ ${{ steps.bench.outputs.result }}
+ ```
+ Coverage diff with base branch
+
+ ```diff
+ ${{ steps.test.outputs.diff }}
+ ```
+