<div dir="ltr"><div>On Mon, Nov 14, 2016 at 11:45 PM, Khayam Gondal <span dir="ltr"><<a href="mailto:khayam.gondal@gmail.com" target="_blank">khayam.gondal@gmail.com</a>></span> wrote:<br></div><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi.<div>I have two NVIDIA K40m GPUs installed on server (48 CPU cores). I have compiled and installed Paraview server with MPI support and using NVIDIA Drivers.</div><div><br></div><div>I use following command to start pvserver</div><div><br></div><div><div>mpirun -bynode -np 24 bin/pvserver --disable-xdisplay-test --egl-device-index=1 : -np 24 bin/pvserver --disable-xdisplay-test --egl-device-index=0</div></div><div><br></div></div></blockquote><div><br></div><div><br></div><div>I think the connection information reported is only for node 0.<br></div><div>You can try changing the source code vtkEGLRenderWindow::SetDeviceAsDisplay and printing the device index from there. You should get a printout with the device index for every node.</div><div><br></div><div>Maybe we should have a way to report the opengl info for evey node, including the device index.</div><div> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div></div><div>But I don't now how to check that pvserver is actually using <b>both </b>of the GPUs not just one.. Actually If I change the --egl-device-index value to a random number like 8 or 9, server still starts up and client got connected to it.</div></div></blockquote><div><br></div><div>This is because if the device index is bigger than the number of devices it uses device 0.</div><div><br></div><div>Dan</div><div><br></div><div><br></div><div><br></div><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div><b>Output of nvidia-smi</b></div><div> </div><div><div>khayam@node-0:~$ nvidia-smi</div><div>Mon Nov 14 23:41:08 2016</div><div>+-----------------------------<wbr>------------------------------<wbr>------------------+</div><div>| NVIDIA-SMI 367.57         Driver Version: 367.57           |</div><div>|-----------------------------<wbr>--+----------------------+----<wbr>------------------+</div><div>| GPU  Name     Persistence-M| Bus-Id     Disp.A | Volatile Uncorr. ECC |</div><div>| Fan  Temp  Perf  Pwr:Usage/Cap|     Memory-Usage | GPU-Util  Compute M. |</div><div>|=============================<wbr>==+======================+====<wbr>==================|</div><div>|  0  Tesla K40m      Off  | 0000:02:00.0   Off |           0 |</div><div>| N/A  19C   P0   63W / 235W |    0MiB / 11439MiB |    0%    Default |</div><div>+-----------------------------<wbr>--+----------------------+----<wbr>------------------+</div><div>|  1  Tesla K40m      Off  | 0000:82:00.0   Off |           0 |</div><div>| N/A  20C   P0   65W / 235W |    0MiB / 11439MiB |   100%    Default |</div><div>+-----------------------------<wbr>--+----------------------+----<wbr>------------------+</div><div><br></div><div>+-----------------------------<wbr>------------------------------<wbr>------------------+</div><div>| Processes:                            GPU Memory |</div><div>|  GPU    PID  Type  Process name                Usage    |</div><div>|=============================<wbr>==============================<wbr>==================|</div><div>|  No running processes found                         |</div></div><div><br></div><div><b>Snapshot of Paraview About (</b>It is showing K40m as remote renderer but is it using both GPUs or just one?)</div><div><b><br></b></div><div><b><img src="cid:ii_158664cedd4005a5" alt="Inline image 1" width="304" height="428"><br></b></div></div>
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