Windows 10: host proces for windows sync high GPU usage

Discus and support host proces for windows sync high GPU usage in Windows 10 Software and Apps to solve the problem; Hello i have problem that when i start pc host proces for windows sync start using 93% of my gpu any fix??... Discussion in 'Windows 10 Software and Apps' started by Vikter Petko, Feb 3, 2022.

  1. host proces for windows sync high GPU usage


    Hello i have problem that when i start pc host proces for windows sync start using 93% of my gpu any fix??

    :)
     
    Vikter Petko, Feb 3, 2022
    #1
  2. brain829 Win User

    Desktop Windows Manager high GPU usage persists

    Several individuals have reported Desktop Window Manager (dwm.exe) using unrealistic amounts of GPU for video playback, gaming, or any high graphics intensive activity. Here is a list of just a few of the many requests for support on this issue:

    Example 1

    Example 2

    Example 3

    Example 4

    Example 5

    It has been a few years now that this problem has been reported, are there any accepted fixes. From what I gather, even those individuals with serious graphics cards are vulnerable to dwm.exe dominating their available GPU. I myself report this issue, even
    on games and design software with the settings at a minimum. For example, Java will be using ~45% of the available GPU, whereas dwm.exe takes up the remaining ~55%. As stated previously, the result is the entire system halting, not just the game. The mouse
    will take a few seconds to stutter across the screen, and task manager will take 5+ seconds to even appear.

    There have been many suggestions and no results. Is that Microsoft's consensus then? Thank you ahead of time.
     
    brain829, Feb 3, 2022
    #2
  3. jolynes Win User
    High GPU Usage When Idle

    In task manager it says that "Service Host: BcastDVRUserService" is randomly hopping around anywhere from 20-50% GPU usage while idle, and "Desktop Windows Manager" jumps around anywhere from 5-30% usage. My GPU is an RTX 2070 Super if that makes any difference.
    This never was the case until recently, I have no idea if it was something I downloaded but I always make sure I download trusted things. I've tried looking this issue up but it seems people have a problem with high CPU and memory usage instead of GPU, but
    my CPU and memory have been acting perfectly normal. Would really appreciate any help as this is a new pc and it's been giving me a ton of anxiety. Thanks
     
    jolynes, Feb 3, 2022
    #3
  4. host proces for windows sync high GPU usage

    Low GPU Usage with SLI Titan X & G-SYNC

    When in Full Screen mode I have lower GPU usage (80%/75%) compared to when in Windowed Mode (87%/98%). I made the video below that shows the difference. I've included my systems specs below. Anyone got any ideas on how to fix this? Below is a list of things I've tried and system specs.

    Thanks
    BB
    • Reinstall Nvidia Drivers using Clean Install
    • Disabled G-SYNC
    • Tried old 60Hz monitor, same lower GPU usage in Full Screen
    • Tried different Refresh rates, currently set to 144Hz.
    • Tried turning off all but 1 of my monitors
    • With SLI off using only 1 Titan X GPU Usage is all good at 99%, regardless of Full Screen or Windowed.
    Windows 10 Pro
    3 ROG Swift PG278Q 27" 2560x1440 144Hz
    Skylake i7-6700k @ 4.4Ghz with NZXT Kraken X61 Liquid Cooler
    SLI GTX Titan X @ 1354Ghz
    Asus Maximus VIII Hero Mobo
    Samsung 850 EVO 500GB SSD
    Crucial Ballistix Sport LT DDR4 2400 16GB
    GeForce Driver 361.43


    -----UPDATE-----
    Thanks for the suggestions I've determined the problem has to do with with G-SYNC SLI, it's possible it is limited to the Asus ROG PG278Q. If someone has another G-SYNC monitor and SLI cards please let me know if you have poor GPU usage in Witcher 3.
     
    Agentbb007, Feb 3, 2022
    #4
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host proces for windows sync high GPU usage

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