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The arms race for physics processing has begun

post #1 of 12
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http://www.dailytech.com/article.aspx?newsid=1414

Quote:
ATI Says It Can Do Physics Better Than AGEIA and NVIDIA
Quote:
Hot on the heels of NVIDIA announcing its partnership with Havok for GPU-level physics implementations, ATI is saying it too is capable of performing heavy physics computations on its GPUs. There is currently a great deal of focus being placed on how to speed up and implement better physics in games and interestingly AGEIA has been preaching that physics processing belongs on a discrete processor designed to handle just physics and nothing else. This approach is very much similar to the way 3dfx designed its first few successful 3D processors, which didn't do anything except accelerate 3D.
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post #2 of 12
It will be interesting to see how this plays out....
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post #3 of 12
Read that article, ATI is saying that you can use 2 ATI cards and one of them can do physics processing EVEN IF THEY AREN'T IN CrossFire, they can even be different cards. So for instance if you have an X1600XT right now and want to upgrade to an X1900XT, you can keep that X1600XT in your PC (in the second PCIe slot of you CrossFire mobo) and have it do all of the physics work! neato!
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post #4 of 12
Thread Starter 
^Now that is nice...
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post #5 of 12
Great... another thing we'll have to buy.

Wait... so if we have all got these physics processors, what's our CPU going to be doing while we are gaming? Twiddeling its thumbs?
post #6 of 12
Why would you waste the money though and not use Crossfire. It'll be better to buy 2 of the same cards anyway becasue the 2nd processor isn't going to be dedicated only toward physics but rather the processor will by doing that along with computing graphics.

This is what nvidia is doing with the second core of either the 512MB 7900GTX or any SLI setup. Economically it's dumb for a user to buy 2 different cards becasuse the person should sell their other card to get a better one, not keep it, and if they decide to keep it they should sell it anyway to get another card for crossfire.

I think the best setup is 2 cards in SLI or 2 cards in Crossfire since you get better performance and physics processing all in one, and the add-on card is good for those who dont have SLI or Crossfire boards or dont want to spend the money for an identical card
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post #7 of 12
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This is going to be very interesting. Nvidia and ATI will set this up however makes them the most money... Unless one does it cheaper, and forces the other to as well.
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post #8 of 12
it would be cool if Nvidia and ATI made seperate Phiysic cards that would work with the existing single or dual card configuration. Such as the PCIx 1x slot that is usually not used. So the Vid cards can focus on drawing, the physics card can calculate, and the CPU can go out to the Bar (i dunno). But i bet that they might just add a physics core into their cards.

Ha, i just bought a 7900gt. O-well.
    
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post #9 of 12
And by physics, I am guessing that they are talking about calculating gravity, and mass, and all that stuff for games right?
(BTW never heard of physics processing before, yeah I am a noob)
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post #10 of 12
but the thing is when you have 2 cards in SLI they still have extra processing power that is not being used at certain resolutions. Obviously the higher the resolution the more processing power and haveing hte physics driver working it will take a hit on framerates but most upper level SLI systems can handle higher resolutions at a phenominal framerate @ 1280x1024 (standard for gaming).

I would not use the physics driver on anything less than a 7800GT SLI system but for anything higher it's a great solution to not having to spend nearly $200 more to allow your system to breathe
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