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reprojection rates - constant stutter


nobackup

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Posted

There is a constant small stutter with my vive that is driving me nuts.  It looks like my reprojecting is causing it....for example it's at about 18-20 percent just standing around steam VR home.  I have a good rig, i76700K, 1080 gtx, 32 GB RAM, i shoudl be getting a solid 90fps, so I don't understand where this lag is coming from.  Latest drivers, minimal background tasks.  Running the Steam VR beta, I tried with non-beta and it was the same.  Also tried rolling back gpu drivers, but no effect.   If I turn off reprojection it's a stuttery mess.   Any ideas? 

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Posted

 

 

Are you running asynchronous reprojection or interleaved reprojection? You shouldn't be running both at the same time, so if you are, please disable one.

Thanks,

-John C

Posted

Yep, no difference. I noticed NVIDIA had some new drivers out, so I just installed them - and the re projection rate dropped to about 10%. So maybe it's a driver issue. It still seems high though, and I notice it when I turn my head. Any other ideas?

Posted

Yeah...I've tried multiple different older drivers, but the most recent on gives the best performance.  And when I say best, I'm sitting at 10-12 percent reprojection. =(

Posted

 

Weird idea: Try turning off the camera. Sometimes that can interfere with it, but your system should be more than capable of handling Vive. It wasn't always this bad right?

Thanks,

-John C

Posted

camera is off.  

 and it

I just checked my GPU in task manager and it's sitting at 40% in steam vr.....seems quite low.  Is there a log file or something I can send you to take a look at?

Posted

 

Yes, you can create a system log through SteamVR, but I don't know if the data it records will be useful for this purpose. Worth a shot though.

Thanks,

-John C

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