Benchmark Trigger by Label workflow (napari/napari)

The Benchmark Trigger by Label workflow from napari/napari, explained and optimized by Latchkey.

What it does

This is the Benchmark Trigger by Label workflow from the napari/napari repository, a real project running GitHub Actions. It is shown here with attribution under its BSD-3-Clause license.

Below, Latchkey shows a faster, safer version produced by its optimization engine.

The workflow

name: Benchmark Trigger by Label

on:
  pull_request:
    types: [labeled]

permissions:
  contents: read
  issues: write

jobs:
  trigger-benchmarks:
    if: github.event.label.name == 'run-benchmarks'
    uses: ./.github/workflows/benchmarks.yml
    secrets: inherit

The same workflow, on Latchkey

Removes redundant runs and caps runaway jobs. Added and changed lines are highlighted.

name: Benchmark Trigger by Label
 
on:
  pull_request:
    types: [labeled]
 
permissions:
  contents: read
  issues: write
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  trigger-benchmarks:
    timeout-minutes: 30
    if: github.event.label.name == 'run-benchmarks'
    uses: ./.github/workflows/benchmarks.yml
    secrets: inherit
 

What changed

• Cancel superseded runs when a branch or PR gets a newer push.
• Add a job timeout so a hung step cannot burn hours of runner time.

This workflow runs 1 job per trigger. On Latchkey the same minutes cost up to 58% less than GitHub-hosted, with zero queue time.