GeForce 8 To Get Software PhysX Engine
February 15, 2008 10:33 AM
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The physics-intensive Cell Factor: Revolution demo will soon be "No PhysX Card Required"
NVIDIA's purchase of AGEIA leads to a PhysX-on-CUDA port
With the announcement
earlier this month of NVIDIA's acquisition of AGEIA
, rumours began to fly immediately surrounding the future of dedicated physics hardware -- and it now appears that the PhysX name will live on as a checkbox beside the capabilities of some current and most future NVIDIA GPUs.
NVIDIA's fourth-quarter financial results conference call
, CEO Jen-Hsun Huang responded to several questions about the plans for technology obtained in the AGEIA purchase, revealing that the plan is to port the AGEIA PhysX engine to
(Compute Unified Device Architecture) C-like programming language.
"We're working toward the physics-engine-to-CUDA port as we speak. And we intend to throw a lot of resources at it." said Huang. "[PhysX on CUDA] is just going to be a software download. Every single GPU that is CUDA-enabled will be able to run the physics engine when it comes."
NVIDIA's choice to run a physics engine on a GPU runs in stark contrast to
AMD's assertion in late 2007
that "GPU based physics is dead until DirectX 11." Every NVIDIA 8-series GPU is currently capable of running CUDA applications, and future GPUs will no doubt retain this feature.
The idea of
using SLI for more than graphics has been brought up by NVIDIA in the past
, so it was no surprise to hear Huang endorsing its further use again. "It might - and probably will - encourage people to buy a second GPU for their SLI slot. And for the highest-end gamer, it will encourage them to buy three GPUs." No mention was made of the use of the upcoming "Hybrid SLI" technology
showcased at CES 2008
, but an onboard GPU supporting CUDA could theoretically be used as a physics processor while discrete GPUs handle the rendering.
No timeframe for the release of the PhysX-on-CUDA software was specified, but with the PhysX engine to be available to a larger audience, it will no doubt encourage the development of more accelerated physics engines in upcoming titles.
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RE: Needs an standard API
2/15/2008 1:08:16 PM
Actually AGEIA had a number of in game enhancements and some add on levels so this already has a game base or instant effect on some of todays games. The difference though is you could have gotten these enhancements with a $99.00 Ageia card instead of purchasing a second 8800gt for $205.00.
The ones to benefit would be those who have SLI rigs already but dont need SLI for a paticular game and can have one card render the graphics while the second one adds the physics eye candy.
Pretty smart NVIDIA. Now if we look at Intel's purchase of Physics software we find that NVIDIA made the smarter move. One with an existing game base that can be seen immediately rendering the Intel purchase a poor one. Which in the end will just make Intel more mad with NVIDIA. Expect more rife between these two.
RE: Needs an standard API
2/16/2008 3:45:08 PM
I never comment but I had to after this, I figured AGEIA going to die considering their card was way too expensive for the what? Like 3 games that had its physics on it, then the framerates got lower so it really didn't do all that much.
Havok on the other hand is used in over a hundred games and is even used in movies as well as applications....
AGEIA was a bargain bin buy, NVIDIA has a lot of cashm but which one was smarter again?
RE: Needs an standard API
2/17/2008 6:28:38 PM
Plus didn't the PhysX card launch at $299...that really hurt the player base by launching at such a high price and with only 3 or so titles at the time that had physx support.
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