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Date: Wed, 11 Oct 2023 05:34:57 +0200 (CEST)
From: Lynne <dev@lynne.ee>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
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Subject: Re: [FFmpeg-devel] [PATCH 3/3] nlmeans_vulkan: parallelize
 workgroup invocations
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Oct 7, 2023, 17:08 by dev@lynne.ee:

> Removes the clever subgroup parallel prefix computation,
> and instead just computes the prefix inline.
> Cuts down the number of dispatches by a huge amount.
>
> Provides a ~12x speedup (2.5fps to 30fps on a 7900XTX,
> 2.1fps to 24fps on an Ada).
>
> Patch attached.
>

Going to push the patchset a bit later today.
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