Graphics Card not used for rendering

brownedave2

Hi, so my situation is that all my renders seem to be using my CPU only.

My card is a GTX 1080, I have the most recent driver - specifically version 430.39.  Although I will note that I have the same issue with the previous version, 419.xx

I have tried both Daz Studio 4.10, as well as the beta, 4.11.

I have checked the Compute_0 graph in my task manager, it has 0 activity during a render.

I have the devices selected within the render settings in DAZ studio - the cpu and the gpu are checked.

I have tried rendering both complex and simple scenes to see if that makes any difference, it does not.  I have 8GB VRAM.

I believe I have tried much of what is recommended in other threads, and am not sure where to proceed further.  Is my card simply incompattible?

 

edit:

the CUDA graph shows activity, so it is working maybe?  

Switched off GPU in Daz studio, cuda graph no longer shows activity.  I suppose it is using the gpu after all.  Seems to have no appreciable impact on render time though.  Not sure what I expected I guess.

kenshaw011267

Turn off CPU rendering and rerun your renders. I have a 1080ti and enabling CPU rendering alongside GPU slows down renders.

Richard Haseltine

You can check the end of the log file after rendering (Help>Troubleshooting>View Log File) to see which device contributed how much to the render.

Tugpsx

kenshaw011267 said:

Turn off CPU rendering and rerun your renders. I have a 1080ti and enabling CPU rendering alongside GPU slows down renders.

How do you turn off CPU rendering I have similar problem with desktop and laptop. 

Richard Haseltine

Tugpsx said:

kenshaw011267 said:

Turn off CPU rendering and rerun your renders. I have a 1080ti and enabling CPU rendering alongside GPU slows down renders.

How do you turn off CPU rendering I have similar problem with desktop and laptop. 

Uncheck it in the Advanced tab of render Settings - note that if the GPU fails Iray will fall back to CPU, but it won't be used at the same tiem as the GPU.

Tugpsx

Thanks, now it shows GPU rendering

2019-05-05 13:14:56.965 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Updating environment.
2019-05-05 13:14:57.186 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Rendering...
2019-05-05 13:14:57.398 Iray VERBOSE - module:category(IRAY:RENDER):   1.2   IRAY   rend progr: CUDA device 0 (GeForce GPU): Processing scene...
2019-05-05 13:14:57.945 Iray INFO - module:category(IRAY:RENDER):   1.2   IRAY   rend info : CUDA device 0 (GeForce GPU): Scene processed in 0.759s
2019-05-05 13:14:57.998 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Received update to 00001 iterations after 0.808s.
2019-05-05 13:14:57.999 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Rendering...
2019-05-05 13:14:58.155 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Received update to 00003 iterations after 0.965s.
2019-05-05 13:14:58.326 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Received update to 00005 iterations after 1.135s.
2019-05-05 13:14:58.412 Iray INFO - module:category(IRAY:RENDER):   1.2   IRAY   rend info : CUDA device 0 (GeForce GPU): Allocated 386.113 MiB of work space (466k active samples in 0.034s)
2019-05-05 13:14:58.721 Iray INFO - module:category(IRAY:RENDER):   1.0   IRAY   rend info : Received update to 00009 iterations after 1.531s.

 

 

Doc Acme

Richard Haseltine said:

You can check the end of the log file after rendering (Help>Troubleshooting>View Log File) to see which device contributed how much to the render.

So THAT's where/how you find the elusive log file ...