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[!CAUTION] Starting from September 13, 2026, we will be removing the "model" type repositories of kernels (e.g., kernels-community/flash-attn3). Make sure you're using a latest version of kernels. If you face any disruption, please report them here: https://github.com/huggingface/kernels/issues/new.
kernels library. This card was automatically generated.1# make sure `kernels` is installed: `pip install -U kernels`
2from kernels import get_kernel
3
4kernel_module = get_kernel("kernels-community/flash-attn2", version=2)
5flash_attn_func = kernel_module.flash_attn_func
6
7flash_attn_func(...)flash_attn_funcflash_attn_kvpacked_funcflash_attn_qkvpacked_funcflash_attn_varlen_funcflash_attn_varlen_kvpacked_funcflash_attn_varlen_qkvpacked_funcflash_attn_with_kvcachefwdvarlen_fwdbwdvarlen_bwdfwd_kvcachekernels benchmark kernels-community/flash-attn2 --version 2.