HackerTube / Video
"Performance Matters" by Emery Berger
Strange Loop Conference
Emery Berger explains why performance is hard to measure and deliver on modern hardware, showing how code layout and alignment can swamp optimization effects. He presents Stabilizer for statistically sound evaluation and Coz, a causal profiler.
It is the standard recommendation for anyone puzzled by unexplained benchmark changes from tiny code edits, and for learning about causal profiling.
20 Hacker News mentions · 2019–2025