Author Topic: FluidMark 1.1.1 Slower with SLI enabled.  (Read 4344 times)

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bbf

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FluidMark 1.1.1 Slower with SLI enabled.
« on: February 05, 2010, 05:33:50 PM »
Hello,

I got some strange results on my machine when running Fluidmark with SLI enabled/disabled:

Enabled:


Disabled:


Anyone have a clue why with with SLI disabled it's faster ? That would only make sense if when SLI was enabled, it wasn't using both cards for PhysX, and with it disabled, it was using a card dedicated to PhysX.

GPU-Z info (SLI Disabled):


Nvidia Settings:

JeGX

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Re: FluidMark 1.1.1 Slower with SLI enabled.
« Reply #1 on: April 19, 2010, 02:33:39 PM »
Did you enable post-FX ?

bbf

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Re: FluidMark 1.1.1 Slower with SLI enabled.
« Reply #2 on: April 22, 2010, 12:20:44 AM »
I ran it in benchmark mode, so Post-Processing can't even be enabled.

JeGX

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Re: FluidMark 1.1.1 Slower with SLI enabled.
« Reply #3 on: April 23, 2010, 02:25:38 PM »
Actually, when SLI is disabled, you must have one GPU for the graphics and the other for PhysX. That may explain why the benchmark gives better score when SLI is disabled.

I will do some tests with a GTX 295.