So before
vtkWin32OpenGLRenderWindow
comes online, what is the best practice handling multiple cpu cores and
multiple gpus on windows?
Thanks a lot.
Best,
x
On 5/28/2010 8:47 AM, Francois Bertel wrote:
Paraview cannot provide this mechanism because VTK does not.
It will requires some non trivial work on the vtk OpenGL extension
manager and vtkWin32OpenGLRenderWindow part.
This is something I would like the VTK ARB to put on the TODO list.
On Fri, May 28, 2010 at 7:31 AM, Kumar, Shree<[email protected]> wrote:
On Fri, May 28, 2010 at 4:17 PM, Berk Geveci<[email protected]> 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<[email protected]> 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"<[email protected]> 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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