Files
xtrain/docs
Gahow Wang a1370446fe docs: T21 — record DDP-dropout wiring gap + fix (known-issues / evolution / dropout doc)
- known-issues.md: new "DDP-dropout wiring" Fixed entry (gap + fix +
  regression test), with the meta-lesson that op/single-GPU unit tests can
  miss launcher-level integration gaps — only the V9-PILOT end-to-end run on
  the real launcher path exposed it.
- 17-dropout.md: annotate the DDP-combination note with the T18 wiring gap
  and its T21 fix.
- evolution.md: T21 row (Infra) recording the fix + meta-lesson.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-18 21:22:49 +08:00
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