If you want to know who's taller, you don't measure people hours apart with a precise ruler - you line them up side by side
Denis Bazhenov (JetBrains) applies the same logic to microbenchmarking: instead of running implementations separately and comparing results, run them simultaneously on the same machine. Background noise affects both equally, and you measure relative performance directly.
๐ https://oxidizeconf.com/sessions/just_stand_them_next_to_each_other
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