Blacksmith's GitHub Actions runners finished the same job 3 to 4 times faster than GitHub hosted Actions, across 10 trials

Описание и применение

Blacksmith‑раннеры завершили те же задачи 3–4 раза быстрее, чем GitHub‑hosted, но требуют организации и могут автоматически создавать PR‑ы.

Задача

Benchmarking Blacksmith runners against GitHub-hosted ubuntu-latest to evaluate performance and identify operational constraints.

Результат

Blacksmith runners completed the same Node.js scripts 3.17x to 3.77x faster than GitHub-hosted ubuntu-latest, with tighter variance and no overlapping ranges.

Рабочий процесс

• Move repo to a GitHub organization
• Install Blacksmith GitHub App on the organization
• Verify runner image availability
• Modify workflow runs-on to Blacksmith image
• Run benchmark workflow with 10 trials per job
• Collect timing data using date +%s%N
• Analyze mean, range, and speedup

Доказательства

Blacksmith ran 3.17x to 3.77x faster with noticeably tighter variance

Источник

Blacksmith refuses to run on a personal repository at all

Источник

The Migration Wizard pull request opened automatically after app install

Источник