Please consider Open-source OpenCL support in amdgpu/mesa

[Luís Mendes]

Thanks for the info!

There is also this Mesa candidate RustiCL which is already more
feature complete than the Mesa Clover:
https://www.phoronix.com/news/Mesa-OpenCL-3.0-CTS-Passes
https://www.phoronix.com/news/Rusticl-Darktable-Milestone
and it would be great if this OpenCL implementation materializes.

On Fri, Jul 29, 2022 at 1:37 PM Mike Lothian <mike at fireburn.co.uk> wrote:
>
> I've recently gotten ROCm 5.1.3 working on Gentoo with the open
> drivers and using upstream llvm 14.0.6, it's enough to get LuxMark 3
> running (well with fast math disabled)
>
> You might want to look for a distro that packages ROCm for you as
> Clover is nowhere near ready
>
> On Fri, 29 Jul 2022 at 11:06, Luís Mendes <luis.p.mendes at gmail.com> wrote:
> >
> > Hi,
> >
> > I am an Aparapi project developer that has been struggling for two
> > years to get an RX 5700 properly running OpenCL applications.
> >
> > First of all, as an end consumer, I would like to congratulate the
> > open-source amdgpu driver for its stability and performance, as well
> > as the team behind it! Unfortunately I cannot say the same for the
> > closed source, proprietary drivers which have been a nightmare in
> > terms of quality and stability and currently the only way to have
> > OpenCL... which in reality is not the case, because it does not have
> > any stability.
> >
> > The open-source driver has been superior in terms of OpenGL and Vulkan
> > stability and performance, it just misses OpenCL to be complete.
> >
> > I am not expecting any reply on this, nor that it will make the
> > Open-source OpenCL support for AMD graphics cards a reality... I just
> > want to share this reality that I am experiencing for two years, with
> > many amdgpu-pro driver versions tested and also the new deb based
> > amdgpu-install drivers. None of them provided a working solution,
> > neither legacy based, nor rocr based ones. The machine starts running
> > a few OpenCL jobs, which after a few seconds lead to a black screen,
> > followed by GPU reset and machine hanging. The same OpenCL jobs run
> > fine on a GT 1030. There is also a big issue when running the RX 5700
> > as a secondary GPU, aside with the GT 1030 as the primary card, which
> > causes the amdgpu driver to fail to load and renders the RX 5700
> > unusable. I just wanted to share my experience with this card and hope
> > for a better future.
> >
> > Please consider Open-source OpenCL support in amdgpu/mesa.
> >
> > Best regards,
> > Luís Mendes