- Aug 20, 2010
I don't think so, I think that audio playback is often times where dpc latency is most clearly noticed but that's not primarily where it comes from.
I did see the Nvidia driver spiking with my 780 before I did the fresh install of windows 10, but this didn't really noticeably affect benchmarks or game performance for me.How many of the people who have seen this are still using the upgraded version of windows 10 as opposed to a fresh install? The upgrade will use older drivers (designed for win 7 or whatever) in compatibility mode which induces latency much like the results seen on screenshots.
Another time I've seen high latencies like this is due to a bug in the intel.inf motherboard drivers installer on x64 bit systems not actually installing all the necessary drivers. The same installer package will install drivers properly on x32 systems, but leaves loads out with x64 which does lead to timing instabilities, highe latencies and less performance which can affect the WEI score.
Installing the package with the -overall switch usually results in better performance and latencies.
I'm not saying that there isn't a problem with the Nvidia drivers, but it would be much easier to isolate if these other issues were ruled out of the equation.
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