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Wed, Feb 20, 2013 at 11:11:35 AM | Revit GPU Utilization

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This BOXX article got me looking into new workstation specs for my office. This led me to download GPU-Z to monitor just how much of my 1GB, 192-bit graphics card (nvidia GTX 550) I was really using. In Revit my GPU usage percentage spikes to 4%... SPIKES to 4%... over arounds 1-2% when orbitting around a 130mb project in 3D. So just to double check i went to options and I do have "Use Hardware Acceleration" checked.

I performed the same test on a simiarly sized project in Sketchup orbitting around in 3D (obviously with sketchup) yielded 30-50% GPU usage.

So Revit really does not use the GPU AT ALL in rendering any of its views? 

Should I buy a basic video card (2gb/192bit range) and pour all the cash into CPU/Memory (thinking i7 3770 oc'd into the low 4ghz area, water cooled, and 32gb of memory)?

 

[EDIT] I should mention these machines are 90-95% of the time used to build the model, and hardly ever used to actually render scenes. So creating the best machine to edit/build large work-shared models is the goal of this machine[/EDIT]



Edited on: Wed, Feb 20, 2013 at 11:35:34 AM

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Wed, Feb 20, 2013 at 11:25:55 AM | Revit GPU Utilization

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Some additional information, on a sheet with 35 Views (int. elevations / det. sheet) merely moving my mouse over the views causing revit to highlight them causes 15% GPU load so I know hardware acceleration is working...


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Wed, Feb 20, 2013 at 2:48:36 PM | Revit GPU Utilization

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hardware acceleration does improve performance, however it does not maximize it thats for sure. for my revit boxes (no rendering) i focus on processor clock speed (not cores, could care less if it has 2 or 1000 cores), RAM clock speed, IOPS around 100k for a solid state.

 

 


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Mon, Jul 8, 2013 at 3:32:53 PM | Revit GPU Utilization

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SRMiller


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I know this thread is a bit old but I have been looking closely at the GPU usage while using revit 2013. I am working a housing scheme with 135 units of about 10 house types. When in an individual unit the GPU usage is good when orbiting (using upto 500mb out of the 2gb available). Now when I link those files into the site model the GPU usage drops to less than 100mb! I would have thought it should be using more in a larger project rather than less! I'm confident that the workstations are more than capable given the spec: i7 2600k @ 4.4ghz, 16gb ram, ssd, 2gb quadro 4000. I also took the model home and the same thing happens, fine in an individual house but hardly any gpu usage in the site plan :-( Home spec is: i7 3930k, 8gb ram, ssd (in raid 0), 2gb gtx 660ti. There just seems to be something that revit does with the linked files for some reason that limits the gpu?! If anyone can shed some light on this I would be grateful!!!

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