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How sparse is too sparse for H3?

This story is from 2026-08-28. It is preserved in the archive; the latest stories are on the live feed.

So me and various other people have implemented their own Sparse Attention nodes and you can see many people argue about what % you should actually run these nodes on to maintain prompt adherence etc. So to help come to the bottom of this, I extensively tested various settings. https://huggingface.…

Read the full story at r/StableDiffusion ↗

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  1. 2026-08-28 17:40 · r/StableDiffusion
    How sparse is too sparse for H3?

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