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"Performance Matters" by Emery Berger
Strange Loop Conference · 12 recommenders · 10 months
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.
Why Hacker News readers recommend it: It is the standard recommendation for anyone puzzled by unexplained benchmark changes from tiny code edits, and for learning about causal profiling.
Software performance & optimizationTesting, debugging & developer tools#causal profiling#coz#benchmarking#memory layout#emery berger#optimization
“this is the most amazing optimisation information I have seen”
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