https://slow-is-smooth.io/tags/benchmarking/Recent content in Benchmarking on Shai AsherHugoen-gbSat, 12 Sep 2026 11:54:00 +0300https://slow-is-smooth.io/blog/your-profiler-said-dispatch/Sat, 12 Sep 2026 11:54:00 +0300https://slow-is-smooth.io/blog/your-profiler-said-dispatch/<p>A profile says <code>dispatch</code> is getting expensive at several million packets a second, and all four fixes the team proposes make the virtual call inside it cheaper. Measured, that call costs about 10 nanoseconds of a 333-nanosecond budget, and the fastest alternative saves 1.7 of them. Finding which of a hundred handlers to call costs 75. None of the four proposals touches it.</p>