[eq-dev] question about parallel rendering

[陈]

Dear Sir,

 I  installed the GPU-SD 1.0.3 binaries version of Windows 64 bit ,my OS is also 64 bit(win7).when I run the gpu_sd.exe in file ...\gpu-sd 1.0.3\bin, the command line flashed with "DNSServices Discovery returned:-65563", and when I run the gpu_sd_list.exe,  the command line close with "DNSServices Discovery error:-65563".  Whether the parallel rendering problem is because of this and how could I solve this problem?

    Thanks a lot and hope to get your reply.

                Best Wishes,

                        Chen

[Stefan Eilemann]

On 28. May 2012, at 6:40, 陈 [via Software] wrote:

> I installed the GPU-SD 1.0.3 binaries version of Windows 64 bit ,my OS is also 64 bit(win7).when I run the gpu_sd.exe in file ...\gpu-sd 1.0.3\bin, the command line flashed with "DNSServices Discovery returned:-65563", and when I run the gpu_sd_list.exe, the command line close with "DNSServices Discovery error:-65563".

You haven't installed Bonjour properly:
kDNSServiceErr_ServiceNotRunning = -65563, /* Background daemon not running */

GPU-SD is only used for auto-diiscovery and has nothing to do with your parallel rendering problem. You can't really do multi-GPU stuff on Windows with Geforce cards, they lack the necessary WGL_NV_gpu_affinity extension (see Parallel OpenGL FAQ).

HTH,

Stefan.

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[陈]

Dear Sir,
Thanks for your reply.
Follow what you said, I have installed the Bonjour, now I installed the Bonjour,GPU-SD,Equalizer on the computer with two video cards(both Nvidia Quadro FX 5800). ALL the examples in the Equalizer Can run collectly,but the parallel rending problem still exists.

Here are the two pictures of the two video cards.When I run the osgScaleViewer.sln using VS2008,the two cards' GPU load tested by GPU-Z..Only one vedio card is working.

 

How can i solve the parallel rending problem. Hope to get your help.

 

            Best Wishes

                  Chen

[Stefan Eilemann]

Hi,

On 31. May 2012, at 4:51, 陈 wrote:

> How can i solve the parallel rending problem. Hope to get your help.

Please read up on configuring Eq applications, then check the configuration file used (local.auto.eqc?) to see what configuration you're using, and understand the statistics to see what's going on. All that stuff is outlined in the Programming and User Guide.

Note that the shipped models are way to light-weight to load two modern GPUs.

HTH,

Stefan.