[Bug 40891] New: OpenCL: Implementing an LLVM backend for GPGPU

[Bug 40891] New: OpenCL: Implementing an LLVM backend for GPGPU

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40891

           Summary: OpenCL: Implementing an LLVM backend for GPGPU
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Created an attachment (id=51218)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51218)
Tom Stellard's presentation 

At the XDC2011, we discussed how GPGPU should be handled and we kind of agreed
on what we should do. This can basically be summed up as using the LLVM IR for
compute. This means we need to implement LLVM backends for our GPUs. See the
Mesa_compilers.pdf attachment.

The OpenCL frontend has been implemented by Denis Steckelmacher during the GSoC
2011 (https://steckdenis.wordpress.com/2011/08/23/the-gsoc-is-over/) that
currently works on the CPU only.

This implementation work can be done by a newcomer, it requires knowledge (or
willing to get it) in compilers. Please contact Martin Peres(mupuf) to get
started. We'll see who can mentor your work.

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[Bug 40891] OpenCL: Implementing an LLVM backend for GPGPU

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=40891

Martin Peres <martin.peres-Iz16wY1oaNPLSKGbIzaifA@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |40888

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[Bug 40891] OpenCL: Implementing an LLVM backend for GPGPU

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=40891

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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