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7970 crossfire - BF3 microstutter issue (resolved)

post #1 of 53
Thread Starter 
I am a bit hesitant to post an issue here on OCN, but here it goes.

I am experiencing microstutter in BF3. I am running crossfire and eyefinity (5760x1080) on 60hz monitors. When I only use one card, and turn the settings way down, everything is fluid. When using crossfire, however, anything below 75-80fps feels like 45, and it's quite unbearable. Issue is on sig rig. Cards are at 1100/1500 +20%, only using CCC to overclock at the moment until I get this issue resolved.

Before anyone says it's a driver issue with not cleaning past drivers, this remained even after a fresh Windows 7 install, so let's please skip all that. Exists in 12.2/3, and currently is showing the same issue in RC11.

I did a bit of trial and error yesterday, and noticed that it is really bad when the GPUs are 100%, but when I turn the settings down in BF3 to lets say, medium across the board (MSAA disabled), and my FPS stays 90 - 100 +, the microstutter seems to go away (at least enough for me to not notice it), and it feels much like a single card did on one monitor.

Going to go through and making sure mobo BIOS is up-to-date this evening. I am running 8x/8x. Tried triplebuffering and renderahead in BF3, but the issue remained. Vertical Sync doesn't fix the issue. I am quite certain it is a config issue somewhere, but am having trouble tracking it down.

Ideas?
Edited by svthomas - 3/30/12 at 5:11pm
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post #2 of 53
Ouchy that sucks dude! Hopefully someone can help u out Good luck!
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post #3 of 53

Welcome to multi-GPU downside. Micro-shuttering is a known issue in multi-GPU setup in most cases. Perhaps with VirtuMVP might help if support.

 
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post #4 of 53
Thread Starter 
Things I am going to try so far:

Update motherboard BIOS.
Disable Creative Soundcard for testing purposes, just to eliminate it from the equation.
Try a FPS limiter to limit FPS below the minimum.
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post #5 of 53
Quote:
Originally Posted by svthomas View Post

Things I am going to try so far:
Update motherboard BIOS.
Disable Creative Soundcard for testing purposes, just to eliminate it from the equation.
Try a FPS limiter to limit FPS below the minimum.


By the way, disable your Windows 7 theme. Set it to basic mode without any transparent effect.

 

Give a shot if it helps the FPS.

 
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post #6 of 53
Nothing will help.

I've tried every single driver release since the 10th January and none of them helped.

The FPS limit thing is the only option for me to play the game, even then it's still not smooth.
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post #7 of 53
Lol, I even got stuttering on my single 6850, not in BF3 thou, usually happens if fps is around 120, specifically going above 120 and below. You have disabled Windows Defender and Firewall right ? That helped me a bit in the past and you need to restart pc after disabling them, you can even disable windows firewall service. Or AV, Antimalware or anything protection related background.
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post #8 of 53
Thread Starter 
Quote:
Originally Posted by djriful View Post



By the way, disable your Windows 7 theme. Set it to basic mode without any transparent effect.

Give a shot if it helps the FPS.

Will try this

Quote:
Originally Posted by Outcasst View Post

Nothing will help.
I've tried every single driver release since the 10th January and none of them helped.
The FPS limit thing is the only option for me to play the game, even then it's still not smooth.

This is what worries me.
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post #9 of 53
Thread Starter 
oops, sorry for the double post.
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PowerColor 7970 ref. (Backup card...) 16 GB Corsair Vengeance PC3 12800 Seagate Barracuda 1TB 7200RPM Crucial 128GB M4 SSD 6Gb/s 
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None PrimoChill PrimoFlex PRO LRT Tubing 1/1" ID 3/4... Swiftech MCP655 Koolance VID-NX680 
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Koolance VID-NX680 Danger Den Monsoon D5 Bay Reservoir Enzotech Compression Fittings Scythe Gentle Typhoon AP-15 x4 
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EK-Supreme HF XSPC RX480 Win 7 Ultimate 64bit Acer 23" 1080p S232HL #1 
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Sennheiser HD555 Headphones 
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Hard DriveOptical DriveCoolingOS
Seagate Barracuda 1TB 7200RPM None NZXT havik Win 7 Ultimate 64bit 
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Samsung 19" LCD Razer BlackWidow Ultimate Mechanical Keyboard  CORSAIR TX650 Antec 902 
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post #10 of 53
Thread Starter 
Okay, still working on this, and I just want to verify my solution before I say that I have gotten rid of the stutter.

So in short:

Limited the FPS to 59 fps last night, and when I opened up BF3 I noticed something immediately: GPU2 was working a lot harder than GPU1, like 10% harder. For example, when GPU1 was at 80% load, GPU2 would be at 90%. So out of curiosity, I tried a few things, and now I just want to verify that what resolved it on my system is able to be reproduced on a fresh windows/driver install, because I am a bit reluctant to post what fixed it, or at least 'bandaided it,' because it could be a fluke.
Edited by svthomas - 3/27/12 at 9:23am
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(29 items)
 
AMD PII Rig
(15 items)
 
 
CPUMotherboardGraphicsGraphics
AMD FX 8120 @ 4.8Ghz ASUS Sabertooth 990FX MSI Geforce GTX680 #1 MSI Geforce GTX680 #2 
GraphicsRAMHard DriveHard Drive
PowerColor 7970 ref. (Backup card...) 16 GB Corsair Vengeance PC3 12800 Seagate Barracuda 1TB 7200RPM Crucial 128GB M4 SSD 6Gb/s 
Optical DriveCoolingCoolingCooling
None PrimoChill PrimoFlex PRO LRT Tubing 1/1" ID 3/4... Swiftech MCP655 Koolance VID-NX680 
CoolingCoolingCoolingCooling
Koolance VID-NX680 Danger Den Monsoon D5 Bay Reservoir Enzotech Compression Fittings Scythe Gentle Typhoon AP-15 x4 
CoolingCoolingOSMonitor
EK-Supreme HF XSPC RX480 Win 7 Ultimate 64bit Acer 23" 1080p S232HL #1 
MonitorMonitorKeyboardPower
Acer 23" 1080p S232HL #2 Acer 23" 1080p S232HL #3 Razer BlackWidow Ultimate Mechanical Keyboard Seasonic X750 Gold 
CaseMouseMouse PadAudio
Danger Den 26  Razer Deathadder My cat, or other small, furry creatures. Creative Sound Blaster X-Fi Titanium 
Audio
Sennheiser HD555 Headphones 
CPUMotherboardGraphicsRAM
AMD Phenom II 955 Black Edition ASUS Crosshair iv Formula SAPPHIRE Radeon HD 6950 2GB (unlocked) - ref Corsair Vengeance 8GB (2 x 4GB) 
Hard DriveOptical DriveCoolingOS
Seagate Barracuda 1TB 7200RPM None NZXT havik Win 7 Ultimate 64bit 
MonitorKeyboardPowerCase
Samsung 19" LCD Razer BlackWidow Ultimate Mechanical Keyboard  CORSAIR TX650 Antec 902 
MouseAudio
Razer Naga M-Audio Studiophile AV40 Powered Monitor Speakers 
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Uncensored
(29 items)
 
AMD PII Rig
(15 items)
 
 
CPUMotherboardGraphicsGraphics
AMD FX 8120 @ 4.8Ghz ASUS Sabertooth 990FX MSI Geforce GTX680 #1 MSI Geforce GTX680 #2 
GraphicsRAMHard DriveHard Drive
PowerColor 7970 ref. (Backup card...) 16 GB Corsair Vengeance PC3 12800 Seagate Barracuda 1TB 7200RPM Crucial 128GB M4 SSD 6Gb/s 
Optical DriveCoolingCoolingCooling
None PrimoChill PrimoFlex PRO LRT Tubing 1/1" ID 3/4... Swiftech MCP655 Koolance VID-NX680 
CoolingCoolingCoolingCooling
Koolance VID-NX680 Danger Den Monsoon D5 Bay Reservoir Enzotech Compression Fittings Scythe Gentle Typhoon AP-15 x4 
CoolingCoolingOSMonitor
EK-Supreme HF XSPC RX480 Win 7 Ultimate 64bit Acer 23" 1080p S232HL #1 
MonitorMonitorKeyboardPower
Acer 23" 1080p S232HL #2 Acer 23" 1080p S232HL #3 Razer BlackWidow Ultimate Mechanical Keyboard Seasonic X750 Gold 
CaseMouseMouse PadAudio
Danger Den 26  Razer Deathadder My cat, or other small, furry creatures. Creative Sound Blaster X-Fi Titanium 
Audio
Sennheiser HD555 Headphones 
CPUMotherboardGraphicsRAM
AMD Phenom II 955 Black Edition ASUS Crosshair iv Formula SAPPHIRE Radeon HD 6950 2GB (unlocked) - ref Corsair Vengeance 8GB (2 x 4GB) 
Hard DriveOptical DriveCoolingOS
Seagate Barracuda 1TB 7200RPM None NZXT havik Win 7 Ultimate 64bit 
MonitorKeyboardPowerCase
Samsung 19" LCD Razer BlackWidow Ultimate Mechanical Keyboard  CORSAIR TX650 Antec 902 
MouseAudio
Razer Naga M-Audio Studiophile AV40 Powered Monitor Speakers 
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