[DO NOT MERGE] refactor(fsdp)(4.1/5): per-parameter weight-precision control by FSDP2 expansion patch - #98
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Compile model precision patterns into FSDP-local maps so numerically sensitive Wan parameters stay in FP32 without giving up BF16 compute. Co-authored-by: Cursor <cursoragent@cursor.com>
Exercise patch guards, packing paths, policy validation, scoped integration, and frozen FP32 parameters while keeping the feature independent of image rebuilds.
Validate the base PyTorch release and source hashes without tying the monkeypatch to one CUDA wheel suffix.
Make FSDP wrapping and precision policy model-owned so Diffusers and native backends share one explicit parallel-plan interface.
Rockdu
changed the title
Show each upstream block directly above its replacement and normalize empty dtype maps to the unpatched policy path.
Replace the prose summary with the original FSDPParam construction code so the monkeypatch remains directly reviewable.
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