September 5, 2019 at 4:09 pmsahsonasSubscriber
Can anyone tell me how to enable or activate GPU acceleration on Ansys Mechanical APDL 18.2 ?
I have the following specs:
Operating System: Windows 7 Professional x64
Processor: Intel(R) Core(TM) i7-4930K CPU @ 3.40 GHz 3.40 GHz
Installed Memory (RAM): 32 GB
GPU: NVIDIA Tesla C2075 and NVIDIA Quadro 2000
CUDA version: 6.0
CUDA runtime: 6.0
Graphics Driver: NVIDIA 332.88 (checked with GPU-Z)
Note that I have already applied these methods.
Method 1. In Mechanical APDL, Tools > Solve Process Settings > My Computer > Advanced>
Max number of Utilized cores: 4 Use GPU acceleration: NVIDIA Number of utilized GPU devices 1 (also checked with 2)
Method 2: In System variables, Add new variable>
Variable Name: ANSGPU_OVERRIDE Value = 1.
However, I am still getting an error saying that:
*** FATAL ***
An error has occured when trying to check for any GPU devices on machine. Error code = 35 which translated to: CUDA driver version is insufficient for CUDA runtime version. Please check your GPU device driver level and verify that a supported GPU device has been installed correctly.
Note that I tried to install CUDA 10, 8, 7.5, and 6.5. I got the same error on every version of CUDA. Now CUDA 6.0 is installed in the system
NOTE: I checked on Ansys Fluent, using /parallel/gpgpu/show. Both of the GPUs are shown and starred.
Please guide me about how to activate and utilize the GPU on my workstation.
September 7, 2019 at 4:02 pmsahsonasSubscriber
Is there anyone who can share his expertise on the discussion started here?
September 9, 2019 at 2:00 pmRobAnsys Employee
First thing to check is whether the graphics card is compatible: https://www.ansys.com/solutions/solutions-by-role/it-professionals/platform-support
I'll also move to the Installation section as it's hardware related. This section is for software interaction eg FSI.
September 9, 2019 at 3:08 pmsahsonasSubscriber
Thanks for your response.
The graphics card is listed to be compatible and tested on Windows x64. Tesla C2075 is listed in TESTED cards.
September 9, 2019 at 4:24 pmtsiriaksAnsys Employee
What if you disable your NVIDIA Quadro 2000 or upgrade its driver to
while leaving your Tesla as-is.
If those don't work, try both of the above again and upgrade your Tesla CUDA runtime/driver version to 8.0
September 16, 2019 at 1:01 pmsahsonasSubscriber
Thanks for your guidance. The first option has solved the problem.
Installed driver is now NVIDIA 377.83 with CUDA Toolkit 8.0.
September 17, 2019 at 6:32 pmtsiriaksAnsys Employee
That's great !
Thank you for the update. I'm glad it's working for you.
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