CI/CD

Posts on CI/CD performance, caching, observability, and shipping faster on GitHub Actions.

pricing landscape

Tatu Mäkijärvi

The Fastest GitHub Actions Runners in 2026: CPU Benchmarks Are Half the Story

The three fastest x64 runners sit within about 1% of each other on CPU benchmarks. The decisive gap is cache: with a colocated cache, warm builds beat GitHub's cold times by 5x to more than 140x.

Tatu Mäkijärvi

Guide to GitHub Actions Runners: Hosted, Self-Hosted, and Third-Party Options

Hosted, self-hosted, or third-party GitHub Actions runners? A practical breakdown of the tradeoffs, real costs, and how to choose, written for engineers.

Leo Lännenmäki

How we made GitHub Actions cache up to 6× faster

On GitHub Actions, a 1 GB actions/cache restore takes 14 seconds. On Avrea, the same workflow, same client: 2.9 seconds. Up to 6× faster across cache sizes from 1 KB to 1 GB, with 3× tighter variance.