Youssef SabriNeural networks, logic programming, and things I take apart to understand.https://youssefsabri.pages.dev/Backprop is just the chain rule with bookkeepinghttps://youssefsabri.pages.dev/posts/backprop-is-bookkeeping/https://youssefsabri.pages.dev/posts/backprop-is-bookkeeping/One idea, one data structure. The whole engine in forty lines.Thu, 22 Oct 2026 00:00:00 GMTUnification is pattern matching that works both wayshttps://youssefsabri.pages.dev/posts/unification-is-pattern-matching/https://youssefsabri.pages.dev/posts/unification-is-pattern-matching/Why Prolog runs a program backwards, and what it costs.Wed, 30 Sep 2026 00:00:00 GMTThe flamegraph is lying to you about widthhttps://youssefsabri.pages.dev/posts/reading-a-flamegraph/https://youssefsabri.pages.dev/posts/reading-a-flamegraph/Width is not work. A short note on self time.Fri, 14 Aug 2026 00:00:00 GMT