Which goes against Hurricanpilots theory that it's CPU overclocking which gets him more FPS.
As I mentioned in my post before, my CPU is pretty much idle with ED - I don't think CPU makes a difference. My experience is I'm totally GPU bound. I need to test O/Cing my GPU to see what effect it has though.
I wouldn't have thought it would either, and based on those graphs it doesn't seem like it's hitting SlackR's CPU that hard at all. I was just throwing it out there really as I'm surprised that a non-ti 780 is giving a better experience than a ti version, and that was the obvious difference.
It's clocked way higher than a stock 780, but it's missing several hundred cores compared to the ti version.
The only other things that spring to mind immediately are that my main monitor is only 1080p, if you guys are running 1440p, maybe there's some extra strain coming from that?
Couple of experiments I might be inclined to try:
Reduce your main monitor res to, say, 720p and see if the rift framerate is affected.
See what happens when you hit WindowsKey+P (projector mode) as I think that will disable the main display entirely (I think it's a toggle).
In fact, that second one might even solve the mouse capture issue.