Kernels:

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kernels-community

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flash-attn2

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Trusted publisher

This is the repository card of kernels-community/flash-attn2 that has been pushed on the Hub. It was built to be used with the kernels library. This card was automatically generated.

How to use

# make sure `kernels` is installed: `pip install -U kernels`
from kernels import get_kernel

kernel_module = get_kernel("kernels-community/flash-attn2", version=3)
flash_attn_func = kernel_module.flash_attn_func

flash_attn_func(...)

Available functions

• flash_attn_func
• flash_attn_kvpacked_func
• flash_attn_qkvpacked_func
• flash_attn_varlen_func
• flash_attn_varlen_kvpacked_func
• flash_attn_varlen_qkvpacked_func
• flash_attn_with_kvcache
• fwd
• varlen_fwd
• bwd
• varlen_bwd
• fwd_kvcache

Benchmarks

Benchmarking script is available for this kernel. Run kernels benchmark kernels-community/flash-attn2 --version 3.