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For a while now my SC2 has been stuttering during games. The stutter lasts for 0.5-1 seconds and afterwards the game plays in fast-motion for a small period of time. Some games I may not stutter at all, but in some games I can stutter 10+ times in a short game, I haven't been able to find any particular units or maps that cause the problem.
I am running on a GTX 580, i7 875k and 4GB of RAM, I don't get any similar stuttering on any other games (including maxed Crysis 2 / Witcher 2).
Normally I play with most things on medium/low, but no matter my settings I get the same issue despite having a very high framerate (the in-game FPS counter doesn't drop either when I stutter).
I have ruled out internet issues because other PCs on my network can play SC2 fine, and the problem still existed when playing on a different network. I have also defragged my HDD, reinstalled SC2, 'repaired' SC2 and done a few other things I've read, but the problem still persists.
It'd be great if someone could help me micro in PvPs  .
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Sounds like potentially RAM issues. Try running memtest86 for a few passes, see if anything comes up. Is your memory manually set up to spec in BIOS, or on auto? Auto settings can be a little wonky from time to time.
My memory, for example, defaults to 1066 7 7 7 18 at 1.7v. It actually runs best at 7 9 7 30 1600Mhz @1.67v. (Those are OCZ's CL7 timings for that kit, no idea why.)
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On July 06 2011 02:42 JingleHell wrote:
Sounds like potentially RAM issues. Try running memtest86 for a few passes, see if anything comes up. Is your memory manually set up to spec in BIOS, or on auto? Auto settings can be a little wonky from time to time.
My memory, for example, defaults to 1066 7 7 7 18 at 1.7v. It actually runs best at 7 9 7 30 1600Mhz @1.67v. (Those are OCZ's CL7 timings for that kit, no idea why.)
Ok thanks. My RAM is currently set to default, and I'll run memtest when I'm at school tomorrow.
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Very unlikely it's a RAM issue. Does it happen mostly during the first time you play? Sounds like it could be stalling while reading data from your HD (+ antivirus scan?), or a driver or other hardware is causing a long interrupt.
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On July 06 2011 05:06 R1CH wrote:
Very unlikely it's a RAM issue. Does it happen mostly during the first time you play? Sounds like it could be stalling while reading data from your HD (+ antivirus scan?), or a driver or other hardware is causing a long interrupt.
Well, this will sound like an excuse, but that was where I was going to head next if the RAM wasn't at fault.
I just tend to end up starting in the wrong place every time, if I start at HDD, it tends to end up being RAM, and vice versa.
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United Kingdom20332 Posts
I have the exact same problem, i7 950 @4ghz, 6gb RAM, gtx580, have game installed on both a crucial c300 128gb SSD and a seagate 1tb HDD, internet connection gives stable 40ms ping to paris with no packets dropped ever, i also dont use any active virus scanners etc.
can move the mouse during the "freeze", can also issue commands (individually split workers if it happens to freeze as game starts for example), this is also the exact same freeze that happens just before the "waiting for player" screen pops up from battlenet if somebody lags, i think it is server side somehow
Edit: Oh also, it doenst happen at any specific time, seems to be completely random, aside from in the first 2-3 seconds of large games (3v3 4v4) where it consistently happens.
Im on EU server.
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Sounds look either CPU or GPU is at the edge of overheating, actually at the point where it clocks down to prevent damage (then after the lag it's fine for some seconds but then the same thing happens again) - especially since it only seems to happen on some (probably warmer) days.
Check them temps. If they're critical, you should clean the inside of the PC/the fans from dust.
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On July 06 2011 05:34 FeiLing wrote:
Sounds look either CPU or GPU is at the edge of overheating, actually at the point where it clocks down to prevent damage (then after the lag it's fine for some seconds but then the same thing happens again) - especially since it only seems to happen on some (probably warmer) days.
Check them temps. If they're critical, you should clean the inside of the PC/the fans from dust.
If he's describing it well, it doesn't sound consistent enough to be heat. It's always a possibility, but the way he's describing it, it doesn't seem like it.
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Seems like those with problems have i7 processors.
Try disabling the "Speedboost" technology, or any tech that will underclock your CPU during times when it doesn't need it. Apparently this can cause micro stutters while the CPU raises and lowers it's clockspeeds.
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On July 06 2011 05:40 Projekt21 wrote:
Seems like those with problems have i7 processors.
Try disabling the "Speedboost" technology, or any tech that will underclock your CPU during times when it doesn't need it. Apparently this can cause micro stutters while the CPU raises and lowers it's clockspeeds.
I think you mean Speedstep.
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i had this problem too and it's because the internet, dunno if it's the same.
it was because the respond times were to long and the units had to react 5 sec till they move etc.
maybe that's the same as my problem, check you internet!
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On July 06 2011 05:49 Denda Reloaded wrote:
i had this problem too and it's because the internet, dunno if it's the same.
it was because the respond times were to long and the units had to react 5 sec till they move etc.
maybe that's the same as my problem, check you internet!
Lol, did you read like half of the OP and stopped reading?
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On July 06 2011 05:58 jacosajh wrote:Show nested quote +On July 06 2011 05:49 Denda Reloaded wrote:
i had this problem too and it's because the internet, dunno if it's the same.
it was because the respond times were to long and the units had to react 5 sec till they move etc.
maybe that's the same as my problem, check you internet! Lol, did you read like half of the OP and stopped reading?
That's 50% more than a lot of people read...
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On July 06 2011 05:06 R1CH wrote:
Very unlikely it's a RAM issue. Does it happen mostly during the first time you play? Sounds like it could be stalling while reading data from your HD (+ antivirus scan?), or a driver or other hardware is causing a long interrupt.
It may do, I'll have to play a bit more and see if it happens at the beginning of my ladder sessions. I never let antivirus actively scan while playing SC2, but I do leave MSE running in the background. I guess tomorrow I'll move SC2 to a different HDD to see if it helps (I have 2 Samsung F3 and a Crucial C300 64GB).
On July 06 2011 05:34 FeiLing wrote:
Sounds look either CPU or GPU is at the edge of overheating, actually at the point where it clocks down to prevent damage (then after the lag it's fine for some seconds but then the same thing happens again) - especially since it only seems to happen on some (probably warmer) days.
Check them temps. If they're critical, you should clean the inside of the PC/the fans from dust.
Temperatures are fine.
On July 06 2011 05:40 Projekt21 wrote:
Seems like those with problems have i7 processors.
Try disabling the "Speedboost" technology, or any tech that will underclock your CPU during times when it doesn't need it. Apparently this can cause micro stutters while the CPU raises and lowers it's clockspeeds.
I'll try this tomorrow too ^_^.
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United Kingdom20332 Posts
My CPU sits around 72c maxed out (prime95) and sc2 doesnt utilise threads 3 through 8 at all, gtx580 wont pass 50c with fans maxed, all the speedstep stuff is disabled. The stutter is not in framerate etc, doesnt affect performance at all, its just the "game time" stops for a second or so, sometimes more, sometimes less. You can actuly micro around etc during the freezes, and all of the commands are processed the moment time starts up again, as i said in previous post it is just like before the "waiting for player" screen pops up, only that screen never pops up and we just get odd time stops pretty frequently... not 100% sure this is the same issue as OP, but from what he said it seems to be.
"I guess tomorrow I'll move SC2 to a different HDD to see if it helps (I have 2 Samsung F3 and a Crucial C300 64GB)."
Im also running from a crucial c300, 128gb, but i get the same issue from my HDD, dont think that is the cause either
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72C maxed out CPU temp, or Cores?
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United Kingdom20332 Posts
![[image loading]](http://www.pingtest.net/result/43118197.png)
my ping is usually some 5-10ms lower, and i had the same issue with sky broadband a little while back
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United Kingdom20332 Posts
On July 06 2011 06:38 JingleHell wrote:
72C maxed out CPU temp, or Cores?
cores
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If your card is in power saving state then you will experience stutter.
nvidia control panel ->set 3d management - power management mode->prefer maximum performance
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United Kingdom20332 Posts
On July 06 2011 06:52 Baarn wrote:
If your card is in power saving state then you will experience stutter.
nvidia control panel ->set 3d management - power management mode->prefer maximum performance
It is not. I dont get framerate stutter or lag, game time just freezes completely.
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EPT
