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Bus Interface Load Accuracy?

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May 28, 2011
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All,

I've been asked about PCIe BW when running some GPU game/benchmark. I see that GPU-z has a "Bus Interface Load [%]" column. How accurate is that %? Since I would think that GPU-z was reading some PCIe interface counter from GPU driver, I think this could be pretty accurate. Is that correct?
 

W1zzard

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I have no idea, it's a number provided by the NVIDIA driver, but I would assume it would be reasonably accurate.

If you decide to do some research, share it please. Some Xeons have PCIe perfcounters, nothing on desktop afaik
 
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