gcscan.yml

name: gcscan

on:
  schedule:
    - cron: '0 0 * * *'
  push:
    branches:
      - master

jobs:
  gcscan:
    runs-on: ubuntu-latest
    steps:
      - name: Install packages
        run: sudo apt update -y && sudo apt-get install -y csvkit datamash
      - uses: actions/setup-go@v4
        with:
          go-version: '1.22'
          check-latest: true
      - uses: actions/checkout@v4
      - name: go mod tidy
        run: |
          mkdir bench
          cd bench
          awk '{if($0 ~ "// env GODEBUG=gctrace=1"){a=1;b=1};if($0 ~ "```" && b=1){b=0};if (a&&b) {print}}' ../README.md > gcscan.go
          go mod init bench
          go mod tidy
          go mod edit -replace github.com/phuslu/lru=../
          cat go.mod
      - name: GC Tests
        working-directory: ./bench
        run: |
          echo -e 'GCScan\tCacheSize\tScanTime' > gcscan.txt
          for name in nottl phuslu lxzan ristretto freelru ecache otter theine cloudflare ccache hashicorp; do
            for cachesize in 100000 200000 400000 1000000; do
              env GODEBUG=gctrace=1 repeat=40 go run gcscan.go $name $cachesize 2>&1 | tee gcscan-$name-$cachesize.txt
              echo -e "$name\t$cachesize\t$(grep ^gc gcscan-$name-$cachesize.txt | tail -30 | awk -F+ '{a+=$2}END{print int(a/30)}') ms" | tee -a gcscan.txt
            done
          done
          cat gcscan.txt
      - name: GC Results
        working-directory: ./bench
        run: |
          cat gcscan.txt | datamash --header-in crosstab 1,2 unique 3 | tee >(head -1) | tail -n +2 | sort -k12 -n | datamash transpose | tee >(head -1) | tail -n +2 | sort -n | datamash transpose | csvlook