Shypd.aiThe largest open index of AI toolsSageAttention is an open-source coding & development tool that accelerates attention mechanisms in AI models. It achieves 2-5x speedup compared to FlashAttention without losing end-to-end metrics across language, image, and video models.
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SageAttention provides official implementations of SageAttention, SageAttention2, and SageAttention2++, offering significant speedups on various GPUs without sacrificing accuracy. This plug-and-play solution supports INT8 quantization for QKแต and FP8/FP16 for PV, with optimized kernels for Ampere, Ada, and Hopper GPUs. It includes features like two-level accumulation for PV to enhance accuracy, support for `torch.compile` in non-cudagraphs mode, and distributed inference. SageAttention is designed to be easily integrated into existing models, with examples provided for replacing `scaled_dot_product_attention` in frameworks like CogvideoX. The tool also offers sparse attention APIs for further acceleration without retraining models.
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