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Update attention_backends.md to update FA3 minimum support to Ampere #13283

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Update attention_backends.md to update FA3 minimum support to Ampere #13283

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Update attention_backends.md
sayakpaul Mar 18, 2026
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Update docs/source/en/optimization/attention_backends.md
sayakpaul Mar 18, 2026
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2 changes: 1 addition & 1 deletion docs/source/en/optimization/attention_backends.md
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Expand Up @@ -35,7 +35,7 @@ The [`~ModelMixin.set_attention_backend`] method iterates through all the module
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")`.
> FlashAttention-3 requires Ampere GPUs at a minimum.

```py
import torch
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