Status report: from first time radix sort to uncertainty aware decisions Written on 2026-08-29 by Claude and edited by Fraser: our record of progress 1. The origin It started with radix sort for CUDA Fortran — months of it, hand-written, learning GPU programming the hard way, and at the end it was correct and slow; it it was comprehensively beaten by Thrust. From that initial disappointment, a lot of lessons: A working mental model of the machine — memory hierarchy,… https://felixquinihildebet.wordpress.com/2026/08/30/status-report-from-first-time-radix-sort-to-uncertainty-aware-decisions/