Difference between revisions of "GPU Setup"

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== What to do if GPU utilisation = 0% when running TUFLOW HPC (when using the GPU Module) ==
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== Updating NVIDIA Drivers ==
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Windows 10 includes a Quick Edit mode option in the DOS window that can artificially pause TUFLOW simulations. The Quick edit mode is initiated if the curser clicks somewhere on the DOS window while a TUFLOW simulation is running. Quick Edit mode can be deactivated to avoid this issue.
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It is likely that the NVIDIA drivers will need to be updated to the latest version as the drivers shipped with the computers are usually outdated. To update, open the NVIDA Control Panel (by right clicking
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on the desktop and selecting NVIDIA Control Panel or NVIDIA Display). Once the control panel has loaded, select Help >> Updates from the menu items. If new drivers are available, please download and install these by following the prompts. <br>
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<li> Right click the DOS window header. Select Properties. <br>
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[[File: GPU_Setup_003.png|400px]]<br>
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[[File: Nvidia-smi_005.png|700px]]<br>
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<li> Uncheck Quick Edit Mode. This will turn it off for the current session. <br>
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''NOTE: Even if not prompted by the system, a restart is recommended to ensure the new drivers are correctly detected prior to running any simulations.''
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[[File: Nvidia-smi_006.png|400px]]<br>
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<li> Update the default DOS window properties so this becomes the default mode. Right click the DOS window header. Select Defaults. <br>
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''NOTE: In case the driver cannot be update using the above method, please visit <u>http://www.nvidia.com/Download/index.aspx</u> to download the latest driver.''
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[[File: Nvidia-smi_007.png|700px]]<br>
 
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<li> Uncheck Quick Edit Mode, just like in the "Properties" dialog box . This will turn Quick Edit Mode off for all future sessions. <br>
 
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Revision as of 15:31, 14 November 2017

This page introduces how to check whether your NVIDIA GPU card is a CUDA enabled, and whether the latest NVIDIA drivers are installed.

CUDA Compatible Graphics

TUFLOW GPU requires an NVIDIA CUDA enabled GPU. To check if your computer has an NVIDA GPU and if it is CUDA enabled:

  1. Right click on the Windows desktop.
    GPU Setup 001.png
  2. If you see “NVIDIA Control Panel” or “NVIDIA Display” in the pop up dialogue, the computer has an NVIDIA GPU.
  3. Click on “NVIDIA Control Panel” or “NVIDIA Display” in the pop up dialogue.
  4. The GPU model should be displayed in the graphics card information.
    GPU Setup 002.png
  5. Check to see if the graphics card is listed on the following website: https://developer.nvidia.com/cuda-gpus

Updating NVIDIA Drivers

It is likely that the NVIDIA drivers will need to be updated to the latest version as the drivers shipped with the computers are usually outdated. To update, open the NVIDA Control Panel (by right clicking on the desktop and selecting NVIDIA Control Panel or NVIDIA Display). Once the control panel has loaded, select Help >> Updates from the menu items. If new drivers are available, please download and install these by following the prompts.
400px

NOTE: Even if not prompted by the system, a restart is recommended to ensure the new drivers are correctly detected prior to running any simulations.

NOTE: In case the driver cannot be update using the above method, please visit http://www.nvidia.com/Download/index.aspx to download the latest driver.

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