QA00000062253_Solving SIMULIA CST GPU Compatibility Issues on Windows

QA00000062253_Solving SIMULIA CST GPU Compatibility Issues on Windows

Question:
How do I solve compatibility issues in CST between Tesla P100 GPUs and Quadro GPUs on Windows?

Answer:
If a computer is equipped with both Tesla P100 GPUs and Quadro GPUs, compatibility issues may occur on the Windows operating system.

If the CST GPU diagnosis tool <CST-INSTALLPATH>/AMD64/HWAccDiagnostics_AMD64.exe crashes on a computer equipped with the aforementioned combination of GPU hardware, this is most likely caused by this compatibility problem. The following workaround is known to solve this problem:

  1. Find out how many Tesla and Quadro GPUs the computer has by running the command nvidia-smi -L from a terminal (cmd). The nvidia-smi tool is typically found in the C:\Program Files\Nvidia Corporation\NVSMI directory.
  2. Set the environment variable CUDA_VISIBLE_DEVICES as a global system environment variable such that it contains a comma separated list of the CUDA device IDs of the Tesla P100 cards. Unfortunately, the GPU IDs reported by the nvidia-smi tool are not identical to the CUDA device IDs. However, on computers which have a single Quadro GPU and one or more Tesla P100 GPUs the CUDA device IDs are typically assigned such that the Quadro GPU has ID "1"; i.e., on a computer with four Tesla P100 GPUs and a single Quadro GPU the correct value for the CUDA_VISIBLE_DEVICES environment variable is typically "0,2,3,4" (excludes the Quadro card).
  3. Restart CST STUDIO SUITE after the environment variable has been set.
 

    • Related Articles

    • QA00000061135_Accessing the CST GPU Computing Guide

      Question: How do I access the CST GPU Computing Guide? Answer: The CST GPU computing installation guide can be found here: http://updates.cst.com/downloads/GPU_Computing_Guide_$version$.pdf Please replace $version$ by the version number of CST STUDIO ...

    • QA00000063549_CST Studio Suite - Linux installation Guide

      Question: How to install CST Studio Suite on Linux? Answer: To install CST Studio Suite in the Linux environment, refer the attached Linux installation guide. Disclaimer: The attachments to this article are subject to certain usage conditions. Please ...

    • QA00000062498_Unattended Installation of CST STUDIO SUITE and Service Packs

      Question: Unattended Installation of CST STUDIO SUITE and Service Packs Answer: On Windows The installation is performed via the Setup.exe file, which is located for CST Studio Suite 2020 and newer at the top level directory of the installation media ...

    • QA00000062692_Steps to check when CST Studio Suite does not start properly

      Question: Possible reasons for an abnormal abort of CST Studio Suite when it starts Why does not CST Studio Suite start properly? Possible reasons for CST Answer: 1. Unsupported operating system Startup problems might be caused by an unsupported ...

    • Abaqus Installation Guide (DSLS)

      The installation process of Abaqus now includes the other SIMULIA products which includes fe-safe, TOSCA & iSight. The following steps will guide through the general process of installing Abaqus 2023 on a Windows system. The standard Abaqus license ...