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CUDA-x86.

Accelerator code and MS remote desktop
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dholt



Joined: 30 Jul 2008
Posts: 15
Location: The Portland Group Inc.

PostPosted: Wed Aug 25, 2010 1:41 pm    Post subject: Reply with quote

Sorry for the late reply.

Unfortunately RemoteFX does not allow remote GPU access at the level required for CUDA or PGI Accelerator/CUDA Fortran. However there is certainly better access to physical hardware (I was even able to install the NVIDIA drivers over remote desktop).

You may be able to get more information from Microsoft's SP1 Beta forum:

http://social.technet.microsoft.com/Forums/en/w7itproSP/threads
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CasperK



Joined: 12 Dec 2006
Posts: 33

PostPosted: Fri Aug 27, 2010 12:31 am    Post subject: Reply with quote

Thanks ... I was really hoping for this to work though ...

I can live with using VNC or having to work locally while programming and debugging, but for executing the final binary remote desktop compatibility is a neccesity. I guess this would be the case for many other people as well ...

Would it be possible to make a windows service that can be called with the path to an accelerator executable which is then launched in local user space, preferably returning an exit code when done? I am just trying to think outside the box here ...

Casper
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CasperK



Joined: 12 Dec 2006
Posts: 33

PostPosted: Tue Sep 14, 2010 11:40 am    Post subject: Tesla Compute Cluster driver supported? Reply with quote

It just came to my attention that Nvidia released special Tesla Compute Cluster(TCC) drivers, which solves the remote desktop issue:

http://forums.nvidia.com/index.php?showtopic=159208

From what I can tell, support for TSS is improved in CUDA toolkit 3.2:

http://developer.nvidia.com/object/cuda_3_2_toolkit_rc.html
http://www.anandtech.com/show/3924/nvidia-announces-parallel-nsight-15-cuda-toolkit-32

Does this mean remote desktop will be supported in a future PVF release using the 3.2 toolkit?
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mkcolg



Joined: 30 Jun 2004
Posts: 5952
Location: The Portland Group Inc.

PostPosted: Tue Sep 14, 2010 2:08 pm    Post subject: Reply with quote

Quote:
It just came to my attention that Nvidia released special Tesla Compute Cluster(TCC) drivers, which solves the remote desktop issue:
Thanks Casper. I'll let Doug know once he's back from vacation.
Quote:

Does this mean remote desktop will be supported in a future PVF release using the 3.2 toolkit?
PVF can be run via a remote desktop now. What can't be run via remote desktop is GPU code due to a limitation in the NVIDIA driver. If the new TCC drivers do solve this problem, then I don't see any reason why you shouldn't be able to run GPU programs from current versions of PVF.

As for new CUDA tool-kits, we generally add them to the first PGI release after they are officially released (i.e. non-beta).

Thanks again for the information.
Mat
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