Lee Dogeon: Why glibc is faster on some Github Actions Runners https://codspeed.io/blog/unrelated-benchmark-regression (한국어)

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Lee Dogeon @moreal@hackers.pub

3/5/2026, 6:28:58 AM

Quiet public

Why glibc is faster on some Github Actions Runners

https://codspeed.io/blog/unrelated-benchmark-regression (한국어)

Why glibc is faster on some Github Actions Runners - CodSpeed

Discover how updating non-code files can cause regressions in benchmarks. We investigate how CPU differences, cache architecture, and instruction set extensions affect performance measurements in CI.

codspeed.io

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