Update: i have now tested every single driver version that has been released up to now.
Each and every one has the same DPC latency issues.
The only version that is still available and doesn’t suffer from that, is 512.95 (edit: 512.96 also works)
And now the crazy thing: if i start Unreal Engine 5.1 editor on my machine, it tells me this:
That leads me to the thought that Microsoft might have something to do with the problem.
However, it would be amazing to get at least a small statement from some NVIDIA professional on this.