Notes from
the work.

Software, systems, and the things I’m learning along the way. From first principles to AI in production.

All notes 2

A little theory. A lot of practice.

Trace LRU and FIFO on three array blocks, compare equal-capacity caches, and see why more ways can still leave conflicts or merge separate sets.

Foundation

Trace hits, recency changes and evictions in a three-entry Python cache, then check loader failures, cached None and a scan that misses every time.

Foundation