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Old 07-08-08, 08:55 AM   #13
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Default Re: PhysX Benchmarks for 280GTX

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Originally Posted by slaWter View Post
at least you don't need an additional card anymore!
Agr33d.
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Old 07-08-08, 09:28 AM   #14
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Default Re: PhysX Benchmarks for 280GTX

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Check out the one below that, once the GPU is strained the CPU version runs at the same rate.
but the real question is , IS the physX effects identivally with gpu & cpu accel ?
if number of particle and object is devided by 50 , so , it's not the same performance.
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Old 07-08-08, 10:10 AM   #15
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Default Re: PhysX Benchmarks for 280GTX

Well, i think that nobody was expecting a higher framerate with Physx on the GPU. If you waste shading power in the PhysX calculations, your framerate will be lower. Anyway, with the many-cores architecture that intel is developing, i would prefer to keep the physics on the CPU & the gfx tasks on the GPU. Dividi et Venci
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Old 07-08-08, 10:26 AM   #16
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Default Re: PhysX Benchmarks for 280GTX

I'd still prefer the whole-in-one approach specifically for this case (i.e. Graphics + Physics in one solution).
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Old 07-08-08, 02:19 PM   #17
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Default Re: PhysX Benchmarks for 280GTX

Like it or not its the future , its not like Nvidia gonna start selling PhysX add-in cards.
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Old 07-08-08, 02:26 PM   #18
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Default Re: PhysX Benchmarks for 280GTX

I'd like to see the same tests done with the GTX280/260, i'm really not that supprised that a 9800GTX can't handle both at the same speed as a dedicated PPU with high settings.
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Old 07-08-08, 02:31 PM   #19
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Default Re: PhysX Benchmarks for 280GTX

Nvidia could sell separate Physics card for ATI users
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Old 07-08-08, 06:23 PM   #20
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Default Re: PhysX Benchmarks for 280GTX

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Nvidia could sell separate Physics card for ATI users
That would be mean
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Old 07-08-08, 07:50 PM   #21
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Default Re: PhysX Benchmarks for 280GTX

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Nvidia could sell separate Physics card for ATI users
Perhaps you missed the article where ATI's cards with a Physx driver conversion are considerably faster than Nvidias? Yeah, I thought so.
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Old 07-08-08, 07:56 PM   #22
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Default Re: PhysX Benchmarks for 280GTX

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Well, i think that nobody was expecting a higher framerate with Physx on the GPU. If you waste shading power in the PhysX calculations, your framerate will be lower. Anyway, with the many-cores architecture that intel is developing, i would prefer to keep the physics on the CPU & the gfx tasks on the GPU. Dividi et Venci
I suspect GPU physics is only temporary. When a CPU comes out that can handle it just fine they'll probably move back to the CPU to keep GPU performance up. I'd imagine that the successor to Nehalem with 512 bit vector instructions could do enough physics calculations on a single core, with easier programming than on a GPU. Thats two years away though, with larrabee they might just have a single x86 code for physics that can run on either the CPU or a larrabee GPU as needed.
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Old 07-10-08, 02:59 PM   #23
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Default Re: PhysX Benchmarks for 280GTX

http://www.extremetech.com/article2/...2324322,00.asp

This was an insteresting article about what the future may hold for how physics and multiple GPUs are handled. Seems like we are probably 2 years off where we need to be. Open CL, DX 11, Intel's next gen cpu offering
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