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HiFA4: Training-Free 4-bit FlashAttention on Ascend HIF4 NPUs for LLM Inference
华为昇腾NPU上实现免训练4-bit FlashAttention,大幅降低LLM推理内存与计算开销。
arXiv:2607.04302v1 Announce Type: cross Abstract: We present HiFA4, a post-training operator-level design that executes both QK^T and PV in FlashAtten…