benchmark.yml

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

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"
  schedule:
    # Job will be triggered each Thursday at 11p.m.
    - cron: '0 23 * * 4'

jobs:
  setup-ec2:
    name: Setup EC2 instance (fft-benchmarks)
    runs-on: ubuntu-latest
    outputs:
      runner-name: ${{ steps.start-instance.outputs.label }}
      instance-id: ${{ steps.start-instance.outputs.ec2-instance-id }}
    steps:
      - name: Start instance
        id: start-instance
        uses: zama-ai/slab-github-runner@ab65ad70bb9f9e9251e4915ea5612bcad23cd9b1
        with:
          mode: start
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          profile: bench

  fft-benchmarks:
    name: Execute FFT benchmarks in EC2
    needs: setup-ec2
    concurrency:
      group: ${{ github.workflow }}_${{ github.ref }}
      cancel-in-progress: true
    runs-on: ${{ needs.setup-ec2.outputs.runner-name }}
    steps:
      - name: Get benchmark date
        run: |
          echo "BENCH_DATE=$(date --iso-8601=seconds)" >> "${GITHUB_ENV}"

      - name: Checkout tfhe-rs repo with tags
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
        with:
          fetch-depth: 0

      - name: Set up home
        # "Install rust" step require root user to have a HOME directory which is not set.
        run: |
          echo "HOME=/home/ubuntu" >> "${GITHUB_ENV}"

      - name: Install build dependencies
        run: |
          sudo apt update
          sudo apt install -y m4

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

      - name: Run benchmarks
        run: |
          make bench

      - name: Parse results
        run: |
          COMMIT_DATE="$(git --no-pager show -s --format=%cd --date=iso8601-strict ${{ github.sha }})"
          COMMIT_HASH="$(git describe --tags --dirty)"
          python3 ./ci/benchmark_parser.py target/criterion ${{ env.RESULTS_FILENAME }} \
          --database concrete_fft \
          --hardware "hpc7a.96xlarge" \
          --project-version "${COMMIT_HASH}" \
          --branch ${{ github.ref_name }} \
          --commit-date "${COMMIT_DATE}" \
          --bench-date "${{ env.BENCH_DATE }}"

          rm -rf target/criterion benchmarks_parameters/

      - name: Run benchmarks with AVX512
        run: |
          make AVX512_SUPPORT=ON bench

      - name: Parse AVX512 results
        run: |
          python3 ./ci/benchmark_parser.py target/criterion ${{ env.RESULTS_FILENAME }} \
          --name-suffix avx512 \
          --append-results

          rm -rf target/criterion benchmarks_parameters/

      - name: Run benchmarks with FFT128
        run: |
          make FFT128_SUPPORT=ON bench

      - name: Parse FFT128 results
        run: |
          python3 ./ci/benchmark_parser.py target/criterion ${{ env.RESULTS_FILENAME }} \
          --name-suffix fft128 \
          --append-results

          rm -rf target/criterion benchmarks_parameters/

      - name: Run benchmarks with FFT128 + AVX512
        run: |
          make AVX512_SUPPORT=ON FFT128_SUPPORT=ON bench

      - name: Parse FFT128 + AVX512 results
        run: |
          python3 ./ci/benchmark_parser.py target/criterion ${{ env.RESULTS_FILENAME }} \
          --name-suffix fft128_avx512 \
          --append-results

      - name: Upload parsed results artifact
        uses: actions/upload-artifact@0b7f8abb1508181956e8e162db84b466c27e18ce
        with:
          name: ${{ github.sha }}_fft
          path: ${{ env.RESULTS_FILENAME }}

      - name: Checkout Slab repo
        uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
        with:
          repository: zama-ai/slab
          path: slab
          token: ${{ secrets.CONCRETE_ACTIONS_TOKEN }}

      - name: Send data to Slab
        shell: bash
        run: |
          echo "Computing HMac on downloaded artifact"
          SIGNATURE="$(slab/scripts/hmac_calculator.sh ${{ env.RESULTS_FILENAME }} '${{ secrets.JOB_SECRET }}')"
          echo "Sending results to Slab..."
          curl -v -k \
          -H "Content-Type: application/json" \
          -H "X-Slab-Repository: ${{ github.repository }}" \
          -H "X-Slab-Command: store_data_v2" \
          -H "X-Hub-Signature-256: sha256=${SIGNATURE}" \
          -d @${{ env.RESULTS_FILENAME }} \
          ${{ secrets.SLAB_URL }}

      - name: Slack Notification
        if: ${{ failure() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@b24d75fe0e728a4bf9fc42ee217caa686d141ee8
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "concrete-fft benchmarks failed. (${{ env.ACTION_RUN_URL }})"

  teardown-ec2:
    name: Teardown EC2 instance (fft-benchmarks)
    if: ${{ always() && needs.setup-ec2.result != 'skipped' }}
    needs: [ setup-ec2, fft-benchmarks ]
    runs-on: ubuntu-latest
    steps:
      - name: Stop instance
        id: stop-instance
        uses: zama-ai/slab-github-runner@ab65ad70bb9f9e9251e4915ea5612bcad23cd9b1
        with:
          mode: stop
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          profile: bench
          label: ${{ needs.setup-ec2.outputs.runner-name }}

      - name: Slack Notification
        if: ${{ failure() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@b24d75fe0e728a4bf9fc42ee217caa686d141ee8
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "EC2 teardown (fft-benchmarks) failed. (${{ env.ACTION_RUN_URL }})"