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8800GT SLI Config Question

post #1 of 7
Thread Starter 
I went into the nvidia control panel a minute ago to see what other options I could set for SLI, and I found one that says SLI Performance Mode. It gives me four options:

Single GPU
Force split-frame rendering
Force alternate frame rendering 1
Force alternate frame rendering 2

Which of these would give me the best performance? The nvidia control panel settings automatically set it to single gpu regardless of performance, balanced, or quality settings.
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post #2 of 7
Just use single gpu.
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post #3 of 7
Its Single GPU = SLI disabled? As I understand it you should be using Force alternate frame rendering 1
post #4 of 7
Quote:
Originally Posted by tomaskir View Post
Its Single GPU = SLI disabled? As I understand it you should be using Force alternate frame rendering 1
No, single gpu is SLi.
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post #5 of 7
Quote:
Originally Posted by Marin View Post
No, single gpu is SLi.
Some explanaition pls? Im not trying to say you are wrong or anything, I dont have SLI But as i understand it, the best results should be attained from Alternate Frame Rendering, as each card renders one frame, and the performance should be up to a 1.9x of the one card.
post #6 of 7
Quote:
Originally Posted by tomaskir View Post
Some explanaition pls? Im not trying to say you are wrong or anything, I dont have SLI But as i understand it, the best results should be attained from Alternate Frame Rendering, as each card renders one frame, and the performance should be up to a 1.9x of the one card.
You only get around 40 points more with AFR in 3DMark06. And in games theres no difference.

I am pretty sure single gpu uses the second card to help with the extra work.
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CPUMotherboardGraphicsRAM
i7 930 @ 3.7 HT Gigabyte X58A-UD3R VisionTek 4870x2 3x4GB's G.Skill Ripjaws 1600 
Hard DriveOptical DriveOSMonitor
500GB AAKS, 2x 640GB AAKS, 2x 1TB Samsung SH-S203B Windows 7 Ultimate 64-bit Samsung 245BW 
KeyboardPowerCaseMouse
Happy Hacking Keyboard 2 Silverstone OP850 Antec 1200 [Three Nanoxia FX12] [Two San Ace 1011] Logitech G500 
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i7 3615QM GT 650M 16GB DDR3 256GB SSD 
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Rig
(15 items)
 
   
CPUMotherboardGraphicsRAM
i7 5820K MSI X99A SLI PLUS EVGA GTX 1070 FTW 4x8GB G.Skill Ripjaws  
Hard DriveHard DriveCoolingOS
Samsung 850 Pro Samsung 850 Evo Noctua NH-D15 Windows 10 
MonitorKeyboardPowerCase
Dell U2515H Happy Hacking Keyboard 2  EVGA Supernova 750 G2 Corsair 600Q 
MouseMouse PadAudio
Logitech G403 Steelseries QcK Mass M-Audio AV40 
CPUMotherboardGraphicsRAM
i7 930 @ 3.7 HT Gigabyte X58A-UD3R VisionTek 4870x2 3x4GB's G.Skill Ripjaws 1600 
Hard DriveOptical DriveOSMonitor
500GB AAKS, 2x 640GB AAKS, 2x 1TB Samsung SH-S203B Windows 7 Ultimate 64-bit Samsung 245BW 
KeyboardPowerCaseMouse
Happy Hacking Keyboard 2 Silverstone OP850 Antec 1200 [Three Nanoxia FX12] [Two San Ace 1011] Logitech G500 
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Razer eXactMat 
CPUGraphicsRAMHard Drive
i7 3615QM GT 650M 16GB DDR3 256GB SSD 
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OS X Mountain Lion 
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post #7 of 7
Well, after digging around wikipedia and nvidia webside and some other forums i see how it works now The general setting there only determines the configuration on desktop, so Single GPU would be best there, as second one is not needed. After a game is launcher nVidia drivers automatically activate AFR 1 because thats the default setting in the pre-defined profiles for 3d applications, unless something is changed in the profiles, or forced in global options.
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