Hardware Selection Advice: Difference between revisions
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* For GPU simulations, the number of CUDA cores, the core speed, GPU card architecture, memory speed and interfacing with the motherboard PCI lanes and CPU are all important.
* The system must be well cooled to avoid throttling.<br>
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=The TUFLOW Software Suite=
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* TUFLOW FV - Run on GPU Hardware: A single model run uses the GPU(s) for computation. In general terms: The maximum model size is dependent on the available GPU and CPU RAM and the runtime is driven by the CUDA core speed, the number of CUDA cores available and the GPU architecture. GPU performance is complex and is not easily inferred from GPU clock speed and number of cores, it is also very dependent on the ‘generation’ or architecture of GPU. As TUFLOW FV requires some data exchange between GPU and CPU, the motherboard bus speeds and CPU speeds also play a role but typically a much lesser role compared to the GPU CUDA compute.<br>
On our <u>[[Hardware_Benchmarking_-_Results#CPU_Results | Hardware Benchmarking]]</u> page you can compare recently run combinations of GPU, CPU and RAM with the system you are planning to purchase. We recommend that if building a computer that you seek advise from an appropriate computer hardware vendor who can advise on the compatibility and optimisation of your setup.<br>
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===GPU Performance Comparison===
Extensive GPU hardware speed comparison testing has been completed using TUFLOW's standardised hardware benchmarking dataset. Details for the benchmarking are available via the <u>[[Hardware_Benchmarking_(2018-03-AA)| Hardware Benchmarking]]</u> page of the Wiki. Review the GPU benchmarking runtime results table to compare the speed performance of different cards. If your GPU card is not listed in the result dataset please download and run the benchmarking dataset, and provide the result summary to support@tuflow.com. We will add the details to the runtime results table.<br>
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=CPU Advice=
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===CPU Performance Comparison===
Extensive CPU hardware speed comparison testing has been completed using TUFLOW's standardised hardware benchmarking dataset. Details for the benchmarking are available via the <u>[[Hardware_Benchmarking_(2018-03-AA)| Hardware Benchmarking]]</u> page of the Wiki. Review the CPU benchmarking runtime results table to compare the speed performance of different chips. If your chip is not listed in the result dataset please download and run the benchmarking dataset, and provide the result summary to support@tuflow.com. We will add the details to the runtime results table.<br>
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=Storage Advice=
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