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7a4403fa98
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feat: FP4 staging kernel - BF16 → E2M1 packed + UE4M3 block16 scales
mxf4nvf4 requires FP4×FP4, not FP8×FP4.
- New staging kernel: E2M1 nearest-neighbor quantization
- Output: uint8 packed (2 E2M1 per byte) + UE4M3 packed int32 scales
- Added CUDA sync diagnostics for error localization
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2026-05-11 20:29:36 +00:00 |
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