Lavapipe performance
George Karpathios
gkarpa1 at gmail.com
Thu Jan 30 15:13:55 UTC 2025
Thank you all, for the tips. Using a smaller window doesn't change
anything, neither does tweaking LP_NUM_THREADS (between 8/12/16). I am also
not using MSAA. I'll have to dig some more regarding your other
suggestions. I've shared a screenshot of what is being rendered at
https://imgur.com/a/6P6OAWA , although based on your observations I'm
probably leaning towards being geometry bound.
On Thu, Jan 30, 2025 at 4:45 PM Erik Faye-Lund <erik.faye-lund at collabora.com>
wrote:
> On Thu, 2025-01-30 at 13:49 +0000, Jose Fonseca wrote:
> > At one point there was another SW renderer gallium driver by a team
> > at Intel that was specifically optimized for huge number of
> > primitives with no texturing (like the sort used by https://vtk.org/
> > ), but I can't remember its name or find it.
>
> Not super important, but for future reference: You're talking about
> OpenSWR, see these links for more info:
>
>
> https://gitlab.freedesktop.org/mesa/mesa/-/blob/amber/docs/drivers/openswr.rst
> https://www.openswr.org/
>
> It didn't really benchmark much better than Llvmpipe, though:
> https://www.phoronix.com/review/llvmpipe-swr-xeon
>
> In the end, I think it didn't add enough value to anyone willing to
> work on maintaining it.
>
>
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