[Paraview] pvserver -display on windows

[Kumar, Shree]

On Fri, May 28, 2010 at 4:17 PM, Berk Geveci <berk.geveci at kitware.com> wrote:

> I am very interested in knowing this too. How does Windows control
> what goes to which GPU? I am guessing that each GPU is driving a
> different monitor? When it is offscreen rendering, how do you control
> which card does the rendering?

For offscreen rendering, an application can redirect rendering to a specific GPU
by setting the GPU affinity (e.g. the WGL_NV_gpu_affinity extension).

I don't know if ParaView provides mechanisms to specify GPU affinity.
Hopefully, it will not be much work to add it.

HTH
-- Shree

VizStack : http://vizstack.sourceforge.net/
Personal Blog : http://www.shreekumar.in/

On Thu, May 27, 2010 at 10:17 PM, Dr. X <xunlei at renci.org> wrote:
> Thanks, Ken.
> You are right, the pop up message box shows no -display option in windows.
> So for my case, 4 cpu cores and 2 gpus, how shall I set up the pvserver to
> use all the resources?
> thanks a lot.
>
> Best,
> x
>
> On 5/27/2010 5:52 PM, Moreland, Kenneth wrote:
>
> The -display argument is only available for X windows.  It has no meaning
> for the native displays on Windows or Mac.  If you try to use it on Windows,
> you should get an error message that the -display argument is unknown and it
> should list all the arguments available.  As I recall, on windows it
> actually pops up a dialog box listing the arguments rather than printing
> them to stdout or stderr.  Perhaps pvserver is hanging because it is waiting
> for you to hit the OK button on all these dialog boxes which, for some
> reason, you are not seeing.
>
> -Ken
>
>
> On 5/27/10 2:10 PM, "Dr. X" <xunlei at renci.org> wrote:
>
> Hi All,
> I am trying to setup a pvserver on a workstation with 4 cores and 2
> gpus. The workstation is running windows 7 64bit, MPICH2 1.2.1p1,  and
> ParaView 3.8.0-RC2. Here is my local pvserver command
>
> mpiexec -channel nemesis -n 2 .\pvserver.exe -display :0.0
> --use-offscreen-rendering : -n 2 .\pvserver.exe -display :0.1
> --use-offscreen-rendering
>
> Somehow the command hangs. Is -display option available in windows? If
> so, what is the right way to use it? I was trying to put 2 core + 1 gpu
> together. If there is another way to optimize the use of cpu and gpu,
> please let me know. Thanks a lot.
>
> Best,
> x
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