Flash Attention CUTE (CUDA Template Engine) implementation
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FlashAttention-4 (CuTeDSL)
FlashAttention-4 is a CuTeDSL-based implementation of FlashAttention for Hopper and Blackwell GPUs.
Installation
pip install flash-attn-4
Usage
from flash_attn.cute import flash_attn_func, flash_attn_varlen_func
out = flash_attn_func(q, k, v, causal=True)
Development
git clone https://github.com/Dao-AILab/flash-attention.git
cd flash-attention
pip install -e "flash_attn/cute[dev]"
pytest tests/cute/
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