https://pker.xyz Personal blog en-us https://pker.xyz/posts/claude.html What happens when you run claude? We take apart the 223MB binary with standard Linux tools and go through the layers from ELF to agentic loop. Fri, 20 Mar 2026 00:00:00 +0000 https://pker.xyz/posts/claude.html https://pker.xyz/posts/compendium-ebpf.html Extending compendium with eBPF for scheduler latency and block I/O tracking. What the kernel does behind the scenes, and why ptrace can't see it. Fri, 27 Feb 2026 00:00:00 +0000 https://pker.xyz/posts/compendium-ebpf.html https://pker.xyz/posts/compendium.html A ptrace-based tracer, in rust, for linux, with nice and easy to interpret html reporting. The strace variant you've always wanted. Mon, 09 Feb 2026 00:00:00 +0000 https://pker.xyz/posts/compendium.html https://pker.xyz/posts/allocators.html How memory works at the OS level, data layout effects on performance, and allocation strategies for different use cases. Sat, 31 Jan 2026 00:00:00 +0000 https://pker.xyz/posts/allocators.html https://pker.xyz/posts/autom8.html A powerful and deterministic-when-possible orchestrator for Claude Code powered workflows. Sat, 31 Jan 2026 00:00:00 +0000 https://pker.xyz/posts/autom8.html https://pker.xyz/posts/perf2.html Round 2: in-depth analysis and next iteration. Fri, 16 Jan 2026 00:00:00 +0000 https://pker.xyz/posts/perf2.html https://pker.xyz/posts/perf1.html First round of changes, let's see how much faster we can get. Sun, 11 Jan 2026 00:00:00 +0000 https://pker.xyz/posts/perf1.html https://pker.xyz/posts/perf0.html Mental model, tools and steps I use as of early 2026 for optimizing code. Sun, 11 Jan 2026 00:00:00 +0000 https://pker.xyz/posts/perf0.html https://pker.xyz/posts/stateMachine.html Ergonomic state machines that don't rely on type state. Thu, 03 Oct 2024 00:00:00 +0000 https://pker.xyz/posts/stateMachine.html https://pker.xyz/posts/deltaCoding.html A delta encoding primer. Sat, 09 Nov 2024 00:00:00 +0000 https://pker.xyz/posts/deltaCoding.html https://pker.xyz/posts/performanceAwareProgramming.html A language agnostic mental model for writing and designing programs. Wed, 09 Oct 2024 00:00:00 +0000 https://pker.xyz/posts/performanceAwareProgramming.html https://pker.xyz/posts/enumDispatch.html An elegant alternative to dynamic dispatch, thanks to rust enum's. Tue, 08 Oct 2024 00:00:00 +0000 https://pker.xyz/posts/enumDispatch.html