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| Performance threads All discussions about CoD performnce |
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#1
08-07-2012, 01:36 PM
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NVIDIA 6 series stuttering
This is a little old now but still current and thought some of you might want know if you hadn't seen it and are on old drivers with a 6 series Nvidia card.
So please dont blame everything on the developers and the game! There are still reportedly issues even with current drivers on some games so it wouldnt surprise me if some of the stutter issues with COD are related because I get zero stutters on 5 series hardware and some users are still reporting issues on 6 series hardware. The thread on the Nvidia forums is almost 95 pages. At first, this issue was passed off as some minor bug, and presently , has several Nvidia engineers whose sole purpose is this bug and working to fix it, so far 3 different causes of frame hitching have been fixed. This is still not completely resolved. Game and tech forums globally are full of threads about this issue across many games including BF3 that people love to compare to COD! :O Games confirmed effected that ive found in a quick search.. There are sure to be others... BF3 Rage Titan Quest Dirt 3 Sniper Elite V2 Diablo 3 Here's an extract from Toms Hardware. http://www.tomshardware.com/news/GeF...Fix,15670.html "Tom's Hardware has received several requests to look into a v-sync issue that a number of owners are seeing with Nvidia's new GeForce GTX 600-series graphics cards. A number of readers have pointed us in the direction of a very long forum thread where multiple customers express concern over stuttering problems with their Kepler-based graphics cards." NVIDIA's Official Response... We have received reports of an intermittent v-sync stuttering issue from some of our customers. We’ve root caused the issue to a driver bug and identified a fix for it. The fix requires extensive testing though, and will not be available until our next major driver release targeted for June (post-R300). For users experiencing this issue, the interim workaround is to disable v-sync via the Nvidia Control Panel or in-game graphics settings menu. Thought it might help some of you still experiencing stutters on newer cards to make sure you disable vsync which is the opposite of what you would logically think! Vsync normally smooths games out.... The frame limiters that people have been using also seems to be another work around for this. And lastly an interesting post at Guru3d about the issue across multiple platforms and hardware combinations..... Quote: "Just like to add that I had this issue with 3 different cpu/mobo builds. X58 & i7 920, x79 & 3820, and z77 & i52550k. I got rid of it prior to moving over to my now current ivybridge. The problem was also with 2 different 680's, a Gainward Phantom and iirc a standard Gainward. The 2 680's having different clock speeds and power phasing. I did however manage to reduce the issue signifcantly to the point of making it appear non existant during gaming. On a game by game basis, I often resolved by combination of max frames to 60, pre rendered to 1, power management to always max etc etc. Deep diving driver config could resolve those games of which it presented itself for me usually. Going back to my current 580, resolved the need for any driver tweaks to work around the stutter I had with the 680's. I just found the driver/680 to be a load of hassle on every other game to get working as I wanted. iirc correctly the latest driver at the time though was the 301.42, of which I personally found the 300.83 to greatly improve the situation. So I cant comment on the situation post those drivers today. "If this issue is so "minority" associated, as is being alleged on this thread. Then I for one think its strange that I had the issue across so many different set ups and using 2 different 680's. Also if the issue didnt exist for a large number of users, why did the 95 page thread at Nvidia have over 1 million hits before forums went down. And lastly if the issue does not exist, why did Nvidia confirm that it did/does?" end quote Naughty Nvidia! 
Last edited by FS~Phat; 08-07-2012 at 01:43 PM. 
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#2
08-07-2012, 01:49 PM
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This is not only a 600 series problem. It was introduced by one of the drivers. I had this too on the 590. I think the problems is still present in the latest driver, but I already disabled the vsinc.
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#3
08-07-2012, 01:52 PM
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Quote:
 Also heres an extract from the Nvidia release notes for R304 but it hasnt completely fixed the issue. I think you will find your stutter issues are a result of your dual GPU card. Key Fixes from R304 Fixes an intermittent vsync stuttering issue with GeForce GTX 600-series GPUs. Fixes an issue where some manufacturer’s factory overclocked cards default to and run at lower clocks. Fixes a performance issue in Total War: Shogun 2 with the latest game patch. Last edited by FS~Phat; 08-07-2012 at 02:03 PM.
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#4
08-07-2012, 02:17 PM
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I think it is also worth mentioning that there is another bug with Nvidia cards that I suffered from that can cause real problems with gaming and is difficult to pin down. I wasn't sure about sharing the last half of the fix as it can cause irreparable damage to your GPU and is not recommended unless you cannot fix it. It worked for me but I wouldn't easily tell other people to do it- use at your own risk.
Symptoms: You sometimes get good fps when running applications but then other times get poor fps until reboot. This happens seemingly randomly. I noticed this when playing league of legends. I would get major FPS issues, down from 60fps to a stuttery 28, this continued in other games- including RO2 and CLoD. It can be a problem in the GTX460 but I have heard of it in other cards, different fixes seem to be required based on the card. It is caused by the card not triggering into the full 3d power mode and staying in 2d/powerful 2d mode which gives half the clock speed, testable by (for example) MSI afterburner in game. Fixes: 1- Update drivers (most usually fixes it). This fixes the bug with the power states for some people. Completely uninstalling the old ones first can make a difference. If it persists: 2- Set power management mode to prefer maximum performance in NVIDIA control panel. The final fix is dangerous and I would not recommend doing it unless you are very comfortable with making system changes. I have only heard of this fix needing to be done on specific cards (like mine): the Gigabyte GTX460 (1gb, overclocked version). IF you don't have this card, dont try it as I dont want people to get angry with me for sharing this fix. Gigabyte have released a new BIOS for the GPU (not mb) which fixes problems in power states. This was the only fix that would stop the GPU from clocking down after having switched to 2D rendering back to 3D. I will not link to it, but it is available on their website if you look for your model. Always make a backup of your GPU bios and do not attempt if you have fears about your PSU, power surges, internet corruption etc. Replacing the BIOS can brick your card if anything goes wrong. As I said, this last option is only for specific cases. My friend only had to update drivers so don't forge ahead and do it anyway. This problem had been affecting me for months and was making gaming pretty bad. Sometimes I flew CLoD at 40fps, other times 15. Last edited by GraveyardJimmy; 08-07-2012 at 02:21 PM.
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#6
08-07-2012, 02:40 PM
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If you're running an Intel RST (Rapid Storage Technology) check what version you are running... if it is anything higher than the 11.2.0.1006 release, you may have been boned by an unintentional (yet WHQL signed driver - go figure) memory leak associated with it.
It also appears to be a bit of a mess to uninstall. Another to try is to set (nVidia cpl) setting Threaded Optimisation to OFF
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#7
08-07-2012, 03:12 PM
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Quote:
hmm , I have the same problem with my EVGA gtx460 and noticed that after a reboot the problem mostly goes away.I am still using the 103 beta driver.maybe i should get a newer driver? amd dual core 5400 gtx460se 6gb ram Win7 ultimate (performance mode)
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#8
08-07-2012, 03:50 PM
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I know that problem caused by vram on nvidia cards at arma 2, but this should already be fixed by nvidia. There was a key combination or work around, how to unload the vram on the fly without rebooting. But I don't know, if this fault perhaps came back in some ways???
590 = live with stutters as it is your dual card causing it in close work to the vram. Again I have to say my opinion: Bad technique causes bad and unefficient work! This power setting issue sounds like the problem with ati cards, which are running only at 500mhz video mode, when watching tracks. Perhaps, this problem is now also arising for imprved power settings of the nvidia cards? Did you already delete the ubi teaser file? This forces ati's to run only in video mode. And again: stutters with a 680 should happen, because they again have insufficient vram! See phat's testings!
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