When you configure detection tools, select Nvidia GPUs one by one.
- If only one Nvidia GPU is installed, select Nvidia GPU 0.
- If several Nvidia GPUs are installed, select the graphics card on which you want to perform the detection process.
- If you select an uninstalled Nvidia GPU, detection isn't performed.
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The table lists the parameter names and detection tools, configuring which you can select the required Nvidia GPU:
You can change the order of the Nvidia GPU display using the CUDA_DEVICE_ORDER system variable (see Appendix 9. Creating system variable) by specifying the required value:
- The FASTEST_FIRST value numbers the GPUs from the most powerful card to the less powerful ones, that is, Nvidia GPU 0 is the most powerful card.
- The PCI_BUS_ID value numbers the GPUs according to the physical location of the cards in the PCI-E slots on the motherboard, that is, Nvidia GPU 0 is the card in the highest slot.
To find out information about the availability, quantity and numbering of Nvidia GPUs, do the following:
- Run the command prompt as administrator.
- In the command prompt, enter the Nvidia-smi query.
- Press Enter.
The command prompt window displays the information about the installed Nvidia GPUs.
