Windows 10: Lag spikes / glitches affecting performance

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  1.    30 Sep 2015 #1

    Lag spikes / glitches affecting performance

    I've been having a problem for the last week or so, basically I keep getting lag spikes / glitches that affect the performance of my machine. This manifests itself in the most obvious way as what can best be described as occasional "gzzzfchzz" sounds (much like a BSoD sound while playing video, but only for a fraction of a second). I first noticed it on YouTube and thought it may be a browser issue, but I've since experienced it playing literally any video or sound, and less obviously while doing anything whatsoever on my machine (although since they're only for a fraction of a second they're less obvious when doing anything without sound).

    Someone else seems to have had the same problem as me:
    Occasional micro-stuttering / lag-spikes - Windows 10 Forums
    Although they don't say exactly how they fixed it...

    I've had Windows 10 installed since the public release day, I have all drivers updated to the latest versions, and I'm running on an Intel i7-4770K (not overclocked) with 32GB of DDR3 RAM and a Samsung 840 EVO SSD so it's a system that really shouldn't be encountering any lag, especially just playing Netflix or an MP3.

    Any help would be appreciated since it's driving me mad.

    Here's a little clip of what happens, the glitch is half way through at 5 seconds:

      My ComputerSystem Spec

  2.    30 Sep 2015 #2

    I have the same glitch since i started being a insider, upgrading from build to build didn't fix it. I tried reinstalling audio, video, sata, chipset drivers, upgraded bios to the latest version but nothing worked so i gave up.
    This bug only happens 3-4 times/day so it isn't a big deal for me.
      My ComputerSystem Spec

  3.    30 Sep 2015 #3

    This wasn't happening at all until 1-2 weeks ago, and even rolling back drivers didn't help. Sometimes it doesn't happen for 30 minutes, sometimes it happens 10-20 times in 1 minute. Super annoying, I could definitely deal with it if it was only 3-4 times per day.
      My ComputerSystem Spec

  4.    02 Oct 2015 #4

    Anyone have any ideas? :)
      My ComputerSystem Spec

  5.    05 Oct 2015 #5

    Bump bump bump. Someone must have an idea of where to start?

    I have the latest graphics drivers, the latest sound drivers, the latest everything drivers, I'm up-to-date on Windows Update, I've done the whole resource monitor checking to see if there are any spikes (which there aren't), I've got the latest HD drivers, latest bios updates...
      My ComputerSystem Spec

  6.    07 Oct 2015 #6

    I basically have the same shit. I call it shit because it feels like being in a heap of that stuff .

    Which I obviously have done many many times in my life, e.g. by using linux .

    With me it is more severe perhaps but I get incredible lag from some applications and this should never happen - that an application cause the entire system to start to stutter.

    Even when it is dosbox....?

    Currently also running a virtual machine guest and this too can cause these issues. The weird thing is that CPU is never above like 40-60%, there is plenty of RAM, and there doesn't seem to be big harddrive activity.

    I have drivers that are just stock from Windows 7 but that still work. It is an older laptop (2010). Nevertheless, I do not remember these issues from Windows 7?
      My ComputerSystem Spec

  7.    09 Oct 2015 #7

    I think this is known as microstuttering. I have the same problem but it is more obvious. I've not been able to video record it.

    Try here to start with.
    Last edited by nevica; 09 Oct 2015 at 07:38.
      My ComputerSystem Spec

  8.    09 Oct 2015 #8

    For me it's really more like the whole system grinds to a halt after a while. I was doing a file copy and it started at 13MB/s (the harddrive itself is only 30-35MB/s, so that is not too weird) but it grew less and less and eventually was doing only 1MB/s with apparently nothing else in the system going on. It is terrifically weird and outstandingly stupid. I hate it.
      My ComputerSystem Spec

  9.    09 Oct 2015 #9


    How long do these slow grinds last for?
      My ComputerSystem Spec

  10.    09 Oct 2015 #10

    Usually it is unfixable, I don't know. Perhaps one time I sat it out and eventually it recovered, could be. I have it most with a dosbox game but a virtual box virtual machine eventually also causes it. And when such a file copy is going on, the scheduling seems to be such that, or in any case, other program stop responding entirely in the sense of having to wait a long time for harddisk access.

    For example, opening a webpage may take a minute or so because (probably) it has to read cache files and all.

    I have never experienced this anywhere, neither with this laptop, and in Linux (native) it performs really well for what that goes. When I had this laptop (second hand) with a standard Windows 7 pro install they give you, after a few weeks it also started doing weird stuff. But those were BSODs not performance slowdowns. After that I reinstalled Win 7 and had no issues apart from Windows Update not working (which seems to be a very common problem). For that reason alone mostly I went with Windows 10 at that time.

    Win 10 seems to have worked well for a while but around the time I started the Dosbox games it really started to slow down or something. Dosbox performance is terrible. When I was in my VM, hdparm gave 15MB/s. After reboot, it gave 35MB/s.

    I have not really seen the system recover except for keeping the dosbox game paused and eventually it ran faster again.
      My ComputerSystem Spec

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