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160

answers:

1
+6  Q: 

How does NVAPI device IDs relate to CUDA device IDs?

I'm working on getting a CUDA application to also monitor the GPU's core temp. That information is accessible via NVAPI.

A problem is that I want to make sure I'm monitoring the same GPU as I'm running my code on.

However, there seems to be information suggesting that the device IDs I get from NvAPI_EnumPhysicalGPUs does not correspond to the ones used with SetDeviceId.

Could anyone clarify?

+1  A: 

I saw an interesting discussion about it here.

As far as I can tell, these numbers don't have a direct correlation.

karlphillip  2010-08-03 15:58:11

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