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Line 148: =Troubleshooting= This section contains links to some possible issue that may occur when progressing through the second tutorial module. ~~If you experience an issue that is not detailed please detail the issue on the <u>[[Talk%3ATutorial_Module01_Archive \| discussion page.]]</u>~~<br> If you are unsure of why the model has failed to start, check the TUFLOW Log File (this is in the '''TUFLOW\runs\log\''' folder and has the name '''M02_5m_001.tlf'''. This can be opened in a text editor, the error is generally at the end of the file, however you can search for "Error" if you can not see the error. Line 154: [[Unsnapped_SX_Error_Archive \|Error 2024 - Could not find a 1D node snapped to CN line]]<br> [[Unsnapped_SX_Error_Archive \|Error 2028 - Could not find a CN object or 1D node snapped to 2D SX object.]]<br> [[~~Only_TUFLOW_DOS_Window_Archive~~Only_TUFLOW_Console_Window_Archive \| Why does the TUFLOW ~~DOS~~Console Window open, though the TCF isn’t read and the simulation doesn’t execute?]]<br> = Advanced - HPC Solver (Optional) = In this optional section we will run the model using the TUFLOW HPC (Heavily Parallelised Compute) solver. ~~TUFLOW~~Please ~~HPC~~see ~~can~~[[HPC_Features_Archive ~~run~~\| ~~between~~HPC 10Features ~~and~~Archive]] ~~100~~for ~~times~~more ~~faster~~information ~~than~~on TUFLOW ~~Classic~~HPC ~~using~~features ~~NVidia~~supported ~~Graphics Processing Units (GPU)(depending on~~in the ~~model configuration and hardware performance). We will review relevant log messages and~~2017 ~~results~~release. TUFLOW HPC can run between 10 and 100 times faster than TUFLOW Classic using NVidia Graphics Processing Units (GPU)(depending on the model configuration and hardware performance). We will review relevant log messages and results. ==Model Setup== Line 172 ⟶ 174: ==Results== Using the methods described in the <u>[[Tutorial_Module02_Archive#Review_the_Results \| Review the Results]]</u> section above: Check the simulation logs in the ~~DOS~~console window, .tlf and .hpc.tlf log files. What proportion of the compute effort was spent on the 0D (initialisation, input / output communication between CPU and GPU, etc.), 1D modelling (CPU) and the 2D modelling (GPU)? Example compute percentage output is highlight below from the ~~DOS~~console window. <br> [[File:Tute M02 HPC 001.png\|frame\|none]] * View the results in your preferred package. How do they compare to the TUFLOW Classic results?