Posts

case study

Replaying 13 Commits Through Memo Cut Test Time From 228 to 79 Seconds and Turned Up Two Flaky Tests

BXM’s repository has two packages with their own test suites: Canon, tested with cargo test, and Memo, tested with go test. Most commits touch one of them, or …

October 22, 2026

case study

Why Did My Build Step Run Again, Six Cache Misses and What Memo Said About Each

A cache that misses without saying why is almost as annoying as no cache. Someone notices the step ran again, nobody knows why, and the cache key gets a random suffix …

October 22, 2026

name

Why the Project Is Called BXM

BXM started as a three-letter name looking for a project, and ended up with two projects that each claim it. Read one way, it’s Binary eXchange Messages: values …

October 22, 2026