tfhe-rs/.github/workflows/benchmark_tfhe_fft.yml

# Run FFT benchmarks on an AWS instance and return parsed results to Slab CI bot.
name: benchmark_tfhe_fft

env:
  CARGO_TERM_COLOR: always
  ACTION_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
  RESULTS_FILENAME: parsed_benchmark_results_${{ github.sha }}.json
  RUST_BACKTRACE: "full"
  SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
  SLACK_ICON: https://pbs.twimg.com/profile_images/1274014582265298945/OjBKP9kn_400x400.png
  SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
  SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}

on:
  workflow_dispatch:
  push:
    branches:
      - "main"
    paths:
      - tfhe-fft/**
      - .github/workflows/benchmark_tfhe_fft.yml
  schedule:
    # Job will be triggered each Thursday at 11p.m.
    - cron: '0 23 * * 4'


permissions: {}

# zizmor: ignore[concurrency-limits] concurrency is managed after instance setup to ensure safe provisioning

jobs:
  setup-instance:
    name: benchmark_tfhe_fft/setup-instance
    runs-on: ubuntu-latest
    outputs:
      runner-name: ${{ steps.start-instance.outputs.label }}
    steps:
      - name: Start instance
        id: start-instance
        uses: zama-ai/slab-github-runner@973c1d22702de8d0acd2b34e83404c96ed92c264 # v1.4.2
        with:
          mode: start
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          backend: aws
          profile: bench

  fft-benchmarks:
    name: benchmark_tfhe_fft/fft-benchmarks
    needs: setup-instance
    concurrency:
      group: ${{ github.workflow_ref }}${{ github.ref == 'refs/heads/main' && github.sha || '' }}
      cancel-in-progress: true
    runs-on: ${{ needs.setup-instance.outputs.runner-name }}
    steps:
      - name: Checkout tfhe-rs repo with tags
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
        with:
          fetch-depth: 0
          persist-credentials: 'false'
          token: ${{ secrets.REPO_CHECKOUT_TOKEN }}

      - name: Get benchmark details
        run: |
          COMMIT_DATE=$(git --no-pager show -s --format=%cd --date=iso8601-strict "${SHA}");
          {
            echo "BENCH_DATE=$(date --iso-8601=seconds)";
            echo "COMMIT_DATE=${COMMIT_DATE}";
            echo "COMMIT_HASH=$(git describe --tags --dirty)";
          } >> "${GITHUB_ENV}"
        env:
          SHA: ${{ github.sha }}

      - name: Install rust
        uses: actions-rs/toolchain@16499b5e05bf2e26879000db0c1d13f7e13fa3af
        with:
          toolchain: nightly
          override: true

      - name: Run benchmarks with AVX512
        run: |
          make bench_fft

      - name: Parse AVX512 results
        run: |
          python3 ./ci/fft_benchmark_parser.py target/criterion "${RESULTS_FILENAME}" \
          --database concrete_fft \
          --hardware "hpc7a.96xlarge" \
          --project-version "${COMMIT_HASH}" \
          --branch "${REF_NAME}" \
          --commit-date "${COMMIT_DATE}" \
          --bench-date "${BENCH_DATE}" \
          --name-suffix avx512
        env:
          REF_NAME: ${{ github.ref_name }}

      - name: Upload parsed results artifact
        uses: actions/upload-artifact@330a01c490aca151604b8cf639adc76d48f6c5d4
        with:
          name: ${{ github.sha }}_fft
          path: ${{ env.RESULTS_FILENAME }}

      - name: Checkout Slab repo
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
        with:
          repository: zama-ai/slab
          path: slab
          persist-credentials: 'false'
          token: ${{ secrets.REPO_CHECKOUT_TOKEN }}

      - name: Send data to Slab
        shell: bash
        run: |
          python3 slab/scripts/data_sender.py "${RESULTS_FILENAME}" "${JOB_SECRET}" \
          --slab-url "${SLAB_URL}"
        env:
          JOB_SECRET: ${{ secrets.JOB_SECRET }}
          SLAB_URL: ${{ secrets.SLAB_URL }}

      - name: Slack Notification
        if: ${{ failure() || (cancelled() && github.event_name != 'pull_request') }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@e31e87e03dd19038e411e38ae27cbad084a90661
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "tfhe-fft benchmarks failed. (${{ env.ACTION_RUN_URL }})"

  teardown-instance:
    name: benchmark_tfhe_fft/teardown-instance
    if: ${{ always() && needs.setup-instance.result != 'skipped' }}
    needs: [ setup-instance, fft-benchmarks ]
    runs-on: ubuntu-latest
    steps:
      - name: Stop instance
        id: stop-instance
        uses: zama-ai/slab-github-runner@973c1d22702de8d0acd2b34e83404c96ed92c264 # v1.4.2
        with:
          mode: stop
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          label: ${{ needs.setup-instance.outputs.runner-name }}

      - name: Slack Notification
        if: ${{ failure() }}
        uses: rtCamp/action-slack-notify@e31e87e03dd19038e411e38ae27cbad084a90661
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Instance teardown (fft-benchmarks) finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"