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Thread: VR (VIVE) performance issues mostly in corners

  1. #1
    Superkart Pilot
    Join Date
    May 2016
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    192
    Platform
    PC

    VR (VIVE) performance issues mostly in corners

    I read this a couple of times. People are getting low FPS while driving through corners - Performance on straights is OK. After reinstalling everything due to hardware[1] changes yesterday, I experienced the same issue.
    The problem is "interleaved reprojection" in the SteamVR settings (VIVE). I used the same settings[2] in pcars2 as before the reinstall and suddenly had these FPS drops. After fiddling around for a while i recognized that "interleaved reprojection" was on by default and was causing these problems. After turning it off, I had stable 90 FPS again.

    1 (hardware): i7 7700K, 16GB DDR4 RAM, GTX 1080
    2 (settings): High textures, high car details, medium track details, 8x anisotropic filtering, low shadows, medium reflections, 1.0 SS ingame and 2.0 SS in SteamVR

    I couldnt find the thread where people posted this issue. If a mod remembers where it was, please merge.
    Last edited by m00lean; 11-10-2017 at 22:28.

  2. #2
    Superkart Pilot
    Join Date
    Sep 2017
    Location
    Rocky Mountains
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    138
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    PC
    And do you have Async Reprojection in SteamVR? Or do you have it Always On as suggested somewhere else?

  3. #3
    Superkart Pilot
    Join Date
    May 2016
    Posts
    192
    Platform
    PC
    "Always on" usually is a bad idea. I do have the "allow asynchronous reprojection on" but it rarely kicks in.

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