@MayankMish98
Blackwell has shifted the bottleneck for attention computation: It is no longer GEMM! Check out FA4 🚀🚀🚀
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Blackwell has shifted the bottleneck for attention computation: It is no longer GEMM! Check out FA4 🚀🚀🚀
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"text": "Blackwell has shifted the bottleneck for attention computation: It is no longer GEMM!\n\nCheck out FA4 🚀🚀🚀",
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"text": "Asymmetric hardware scaling is here. Blackwell tensor cores are now so fast, exp2 and shared memory are the wall. FlashAttention-4 changes the algorithm & pipeline so that softmax & SMEM bandwidth no longer dictate speed. Attn reaches ~1600 TFLOPs, pretty much at matmul speed!\n\njoint work w/ Markus Hoehnerbach, Jay Shah(@ultraproduct), Timmy Liu, Vijay Thakkar (@__tensorcore__ ), Tri Dao (@tri_dao)\n\n1/",
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