https://www.pistack.xyz/tags/pytest/ Recent content in Pytest on Pi Stack Hugo en-us Thu, 02 Jul 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-07-02-python-benchmarking-pytest-benchmark-codspeed-pyperf-asv/ Thu, 02 Jul 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-07-02-python-benchmarking-pytest-benchmark-codspeed-pyperf-asv/ <h2 id="introduction">Introduction</h2> <p>Performance regressions are among the most painful bugs to diagnose. A function that was fast yesterday becomes slow today, and nobody knows why. Without systematic benchmarking integrated into your development workflow, performance degradation creeps in silently — one pull request at a time — until your application feels sluggish and your users notice before you do.</p>