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I had it working at one point but now this seems to come back. Even with a simple scene with few low poly objects and the octane running with sample environment mode moving around the scene seems to create a serious slowdown.

Any help to reduce this is appreciated.

Windows 7 64bit
3dsmax2011 64bit

I have always the problem.
When Octane is rendering, the GPU is at full load, there is only a small time to refresh the viewport.
Try PMC which has a greater latency...

face

Try to add one more card dedicated for Your screen only (don't do rendering with it).

Somehow building a rig with APU insted of CPU looks quite tempting too. It would be useful to have an ability to set affinity (like we can do on multicore CPUs) but I think this will not be available soon so we left to solve reaponsiveness issues in other ways.

Actually, would be cool if there would be function like a priority, or just percentage of GPU usage!

face wrote:I have always the problem.
When Octane is rendering, the GPU is at full load, there is only a small time to refresh the viewport.
Try PMC which has a greater latency...

face

I will give this a try.
Thanks

MaTtY631990 wrote:I had it working at one point but now this seems to come back. Even with a simple scene with few low poly objects and the octane running with sample environment mode moving around the scene seems to create a serious slowdown.

Any help to reduce this is appreciated.

Windows 7 64bit
3dsmax2011 64bit

I had the same problem and it was unberable BUT before proceeding to update my CPU and Motherboard see spec on my sign..(going for i5-3450 on Asrock Z77 Pro3 - 8Gb DDR3) I wanted to rise the memory to 8GB from 4 I had AND found out that Autodesk had many complains about the viewport latency with the Gtx 4xx series, now everything is better using the 2013 version with an updated Nitrous viewport driver..still I would love to use the forthcoming On-board video for viewport while rendering using my GTX470 but don't know if that is possible

ok. I think I found a fix for this problem. I have disabled the GPU uses for various sources such as google chrome and windows media player, but maybe if thats just with those open as well. Also disabling windows aero might fix it. After I did these the viewports never lag on simple GI modes.

On the bright side. If your interface is sluggish then this means that the render engine is working flat out.

try use h67 chipset to use sandybrige gpu in cpucore to display and use pci-e card to compute image by octane.

I fixed this issue, inadvertently.