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Old 02-06-05, 12:49 PM   #13
Sazar
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Default Re: Nvidia SLI Investigation.

nice stuff chris

did you notice the max fps on the games shoot up as well by a lot?
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Old 02-06-05, 01:08 PM   #14
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Default Re: Nvidia SLI Investigation.

Great post Chris. Thanks for the effort.
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Old 02-06-05, 01:33 PM   #15
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Default Re: Nvidia SLI Investigation.

Wow, nice job. Bet that took awhile to put together.
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Old 02-06-05, 02:56 PM   #16
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Default Re: Nvidia SLI Investigation.

Very good work Chris ! .. its good to see someone finally managed to scoop on the Min FPS results in SLI mode .
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Old 02-06-05, 07:37 PM   #17
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Default Re: Nvidia SLI Investigation.

Quote:
Originally Posted by Sazar
nice stuff chris

did you notice the max fps on the games shoot up as well by a lot?
Yes Max FPS also went up. But I dont pay much heed to max FPS. Just AVG/Min usually because I feel its most important.
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Old 02-08-05, 04:14 AM   #18
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Default Re: Nvidia SLI Investigation.

Attention UT2004 users. I managed to get around the performance barrier of UT2004 SLI. By default Nvidia has it set to an optimised AFR profile. When you'd enable SLI you'd see zero performance or worse. Lose it.. Obviously I was completely unsatisfied with this result. So I toyed around with it. And Viola. The most basic Split Frame Rendering mode produces a nice performance enhancement for UT2004.


*Edit* Removed as I have found problems with this game.
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Last edited by ChrisRay; 02-20-05 at 11:02 PM.
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Old 02-08-05, 07:39 AM   #19
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Default Re: Nvidia SLI Investigation.

wow, excellent information, good job chris...
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Old 02-08-05, 08:05 AM   #20
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Default Re: Nvidia SLI Investigation.

Great work cris.
1 question, I take it that it is possible to hand write the profiles? And that the cutesy app is just for ease?
I am a linux user and we are still waiting for SLI drivers, and the whole profiles thing has had me worried.
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Old 02-08-05, 08:09 AM   #21
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Default Re: Nvidia SLI Investigation.

Quote:
Originally Posted by ChrisRay
Attention UT2004 users. I managed to get around the performance barrier of UT2004 SLI. By default Nvidia has it set to an optimised AFR profile. When you'd enable SLI you'd see zero performance or worse. Lose it.. Obviously I was completely unsatisfied with this result. So I toyed around with it. And Viola. The most basic Split Frame Rendering mode produces a nice performance enhancement for UT2004.



Excellent work Chris. Now if you can get it working for Doom1, I'll be set!
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Old 02-08-05, 09:43 AM   #22
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Default Re: Nvidia SLI Investigation.

Good info in there Chris!!!
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Old 02-08-05, 11:31 AM   #23
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Default Re: Nvidia SLI Investigation.

may interest some folks

Just reinstalled FarCry and ran some benchmarks at stock cpu, card speeds in SLI mode with 71.25 drivers

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71.25 drivers
4xAA/16xAF


HOC Volcano
Quote:
Resolution: 1024768
Maximum quality option, Direct3D renderer
Level: Volcano, demo: hocvolcano.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 107.78 FPS (Run 1)
Score = 106.02 FPS (Run 2)
Score = 108.39 FPS (Run 3)
Score = 107.23 FPS (Run 4)
Average score = 107.35 FPS


Resolution: 12801024
Maximum quality option, Direct3D renderer
Level: Volcano, demo: hocvolcano.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 94.67 FPS (Run 1)
Score = 91.52 FPS (Run 2)
Score = 95.16 FPS (Run 3)
Score = 94.08 FPS (Run 4)
Average score = 93.85 FPS


Resolution: 16001200
Maximum quality option, Direct3D renderer
Level: Volcano, demo: hocvolcano.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 72.14 FPS (Run 1)
Score = 70.60 FPS (Run 2)
Score = 73.46 FPS (Run 3)
Score = 72.95 FPS (Run 4)
Average score = 72.28 FPS
HOC Archive
Quote:
Resolution: 1024768
Maximum quality option, Direct3D renderer
Level: Archive, demo: Archive1.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 98.28 FPS (Run 1)
Score = 110.53 FPS (Run 2)
Score = 113.70 FPS (Run 3)
Score = 113.84 FPS (Run 4)
Average score = 109.08 FPS


Resolution: 12801024
Maximum quality option, Direct3D renderer
Level: Archive, demo: Archive1.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 95.73 FPS (Run 1)
Score = 109.25 FPS (Run 2)
Score = 108.92 FPS (Run 3)
Score = 108.23 FPS (Run 4)
Average score = 105.53 FPS


Resolution: 16001200
Maximum quality option, Direct3D renderer
Level: Archive, demo: Archive1.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 78.09 FPS (Run 1)
Score = 82.36 FPS (Run 2)
Score = 83.01 FPS (Run 3)
Score = 82.20 FPS (Run 4)
Average score = 81.41 FPS
TechReport Regulator
Quote:
Resolution: 1024768
Maximum quality option, Direct3D renderer
Level: Regulator, demo: tr1-regulator.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 54.05 FPS (Run 1)
Score = 62.03 FPS (Run 2)
Score = 62.10 FPS (Run 3)
Score = 61.91 FPS (Run 4)
Average score = 60.02 FPS


Resolution: 12801024
Maximum quality option, Direct3D renderer
Level: Regulator, demo: tr1-regulator.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 52.85 FPS (Run 1)
Score = 60.45 FPS (Run 2)
Score = 60.29 FPS (Run 3)
Score = 60.05 FPS (Run 4)
Average score = 58.40 FPS


Resolution: 16001200
Maximum quality option, Direct3D renderer
Level: Regulator, demo: tr1-regulator.tmd
Pixel shader: default model
Antialising: 4
Anisotrophic filtering: 16
HDR: disabled
Geometry Instancing: disabled
Normal-maps compression: disabled

Score = 47.95 FPS (Run 1)
Score = 54.38 FPS (Run 2)
Score = 54.39 FPS (Run 3)
Score = 54.42 FPS (Run 4)
Average score = 52.78 FPS
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Old 02-08-05, 12:03 PM   #24
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Default Re: Nvidia SLI Investigation.

Great job Chris, as usual. You are often, IMO, the board MVP.

eva2000's frames at 1600x1200 with 4xAA/16xAF illustrate precisely why I want SLI. The SLI min/average frames with GTs or Ultras are just too impressive.

Soon as I break down and get that new monitor it's all over for me I'll have zero resistance left.
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