CI for performance: Reliable benchmarking in noisy environments ↦
Benchmarking is often not done in CI because it’s so hard to get consistent results; there’s a lot of noise in cloud VMs, so you ideally want dedicated hardware. But, it turns out you can use a tool called Cachegrind to get consistent benchmarks results across different computers, allowing you to run benchmarks in GitHub Actions, GitLab CI, etc. and still get consistent results.
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