---
library_name: kernels
license: bsd-3-clause
---

This is the repository card of kernels-community/flash-attn4 that has been pushed on the Hub. It was built to be used with the [`kernels` library](https://github.com/huggingface/kernels). This card was automatically generated.

## How to use

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

kernel_module = get_kernel("kernels-community/flash-attn4", version=1)
flash_attn_func = kernel_module.flash_attn_func

flash_attn_func(...)
```

## Available functions
- `flash_attn_func`
- `flash_attn_varlen_func`

## Benchmarks

No benchmark available yet.

## Source code

Source code of this kernel originally comes from https://github.com/Dao-AILab/flash-attention.git and it was repurposed for compatibility with `kernels`.