Console Window GPU Usage: Difference between revisions
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== What to do if GPU utilisation = 0% when running TUFLOW HPC (when using the GPU Module) ==
A common cause of 0% utilisation is if the calculations have accidentally been paused by activating 'Quick Edit' mode in the console. Quick edit mode was introduced in Windows 10 (in Windows not TUFLOW) and is initiated if the curser clicks somewhere on the console window while a TUFLOW simulation is running. Quick Edit mode can be deactivated to avoid this issue.
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Other troubleshooting tips:
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* Check TUFLOW is running on a GPU device by checking the console title includes the <b>GPU Devices</b> text. If this text is not included, then the command "<tt><font color="blue">Hardware </font><font color="red">==</font> GPU</tt>" was most likely not found in the TCF
: [[File: DOS_GPU_Usage_GPU_Device_count_01a.png]]
== How to reliably select the correct GPU on systems with multiple GPUs ==
The following issues might be encountered:
* The order of GPUs in Task Manager does not match the order of GPUs for TUFLOW.
* The order of GPUs in the `nvidia-smi` tool does not match the order of GPUs for TUFLOW.
* Non-NVIDIA GPUs or GPUs not intended for use interfere with GPU selection.
See <u>[[configure_CUDA_device_selection | specifying the exact CUDA-capable GPUs]]</u> for CUDA-enabled applications like TUFLOW.
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