DEV-LOG.EXE

Replaced fixed-step RK4 with curvature-bounded stepping. Photon-sphere NaNs gone; FPS up 18% at 1080p.

Added 1/sqrt(d_k) scaling and Xavier init across projections. Loss dropped from 7.2 → 4.1 within an epoch.

Drafted the engineer-workspace pass: handbook, dev-log, stats, recruiter mode, per-project architecture + challenges.

Moved O(n²) force loop into shared-memory tiles. 32k bodies @ 60 FPS for the first time.

HashMap iteration order leaked into placement. Switched to LinkedHashMap; seeds now reproduce byte-for-byte.

fg/bg/Ctrl-Z now behave. Pipelines run in their own process group with tcsetpgrp handover.

Scrapped the global queue. Per-thread MLFQs removed contention and 4× throughput on the synthetic bench.

Spent three days on a pipeline deadlock. Lesson: dup2 without close == hang.

Tiny op-graph in NumPy. Forward + backward primitives composing cleanly. Next: encoder block.

A black circle, a warped accretion ring, a star field. Crude, but unmistakable.

Replaced the per-frame host copy with a mapped VBO. PCIe traffic dropped to ~zero in the steady state.

Eight rooms, L corridors, seeded loot. Friend got lost in it for an hour. Counts as success.

Generation counters on handles fixed the 'random crash after 10k switches' bug.

Locked in PSH, LOOM, NOVA, NOOR, CRYPTA, HORIZON. One systems, one runtime, one GPU, one ML, one game, one graphics.