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stevhliu merged 1 commit into from
Dec 4, 2025
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Update attention_backends.md to format kernels #12757

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4 changes: 2 additions & 2 deletions docs/source/en/optimization/attention_backends.md
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Expand Up @@ -32,7 +32,7 @@ This guide will show you how to set and use the different attention backends.

The [`~ModelMixin.set_attention_backend`] method iterates through all the modules in the model and sets the appropriate attention backend to use. The attention backend setting persists until [`~ModelMixin.reset_attention_backend`] is called.

The example below demonstrates how to enable the `_flash_3_hub` implementation for FlashAttention-3 from the [kernel](https://github.com/huggingface/kernels) library, which allows you to instantly use optimized compute kernels from the Hub without requiring any setup.
The example below demonstrates how to enable the `_flash_3_hub` implementation for FlashAttention-3 from the [`kernels`](https://github.com/huggingface/kernels) library, which allows you to instantly use optimized compute kernels from the Hub without requiring any setup.

> [!NOTE]
> FlashAttention-3 is not supported for non-Hopper architectures, in which case, use FlashAttention with `set_attention_backend("flash")`.
Expand Down Expand Up @@ -154,4 +154,4 @@ Refer to the table below for a complete list of available attention backends and
| `_sage_qk_int8_pv_fp16_triton` | [SageAttention](https://github.com/thu-ml/SageAttention) | INT8 QK + FP16 PV (Triton) |
| `xformers` | [xFormers](https://github.com/facebookresearch/xformers) | Memory-efficient attention |

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