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Format-Aware Fusion for Fast FP4 Pretraining

Hu, Robert
arXiv (All) · Papers
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Four-bit floating-point (FP4) Tensor Cores accelerate matrix multiplication, but scale computation, operand packing, layout construction, and saved backward state can erase the gain. We present \emph{format-aware fusion}, which co-designs each quantization producer with its scale domain and consumer
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