Do extra work #392
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name: diff | |
on: | |
pull_request: | |
branches: [ master ] | |
jobs: | |
benchmark: | |
runs-on: ubuntu-latest | |
strategy: | |
matrix: | |
include: | |
- ref: master | |
name: old | |
- ref: ${{ github.event.pull_request.head.sha }} | |
name: new | |
steps: | |
- name: Setup Go 1.18 | |
uses: actions/setup-go@v4 | |
with: | |
go-version: 1.18 | |
- name: Checkout code | |
uses: actions/checkout@v3 | |
with: | |
ref: ${{ matrix.ref }} | |
- name: Run benchmark | |
run: go test -bench=. -benchmem -run=^$ -count=10 -timeout=30m | tee /tmp/${{ matrix.name }}.txt | |
- name: Upload benchmark results | |
uses: actions/upload-artifact@v3 | |
with: | |
name: benchmark-${{ matrix.name }} | |
path: /tmp/${{ matrix.name }}.txt | |
compare: | |
needs: benchmark | |
runs-on: ubuntu-latest | |
steps: | |
- name: Setup Go 1.18 | |
uses: actions/setup-go@v4 | |
with: | |
go-version: 1.18 | |
- name: Install benchstat | |
# NOTE: benchstat@latest requires go 1.23 since 2025-02-14 - this is the last go 1.18 ref | |
# https://cs.opensource.google/go/x/perf/+/c95ad7d5b636f67d322a7e4832e83103d0fdd292 | |
run: go install golang.org/x/perf/cmd/benchstat@884df5810d2850d775c2cb4885a7ea339128a17d | |
- name: Download old benchmark results | |
uses: actions/download-artifact@v3 | |
with: | |
name: benchmark-old | |
path: /tmp/ | |
- name: Download new benchmark results | |
uses: actions/download-artifact@v3 | |
with: | |
name: benchmark-new | |
path: /tmp/ | |
- name: Compare benchmarks | |
run: benchstat /tmp/old.txt /tmp/new.txt |