ATI Gets Its Turn on GPU Physics @ PC Perspective
Linc
OwnerDetroit Icrontian
PCPer spoke with ATI about the status of GPU-based physics. After discovering that ATI’s GPUs would function with the same Havok FX engine that NVIDIA announced a partnership with, they pegged ATI about their take on physics processing, how it would perform on their GPUs and how they might be able to compete with AGEIA’s dedicated hardware solution.
Source: PC PerspectiveFirst, the R580 has a tremendous amount of floating point capability with its 48 pixel shaders. ATI estimates that 375 GFlops for a single card and 750 GFlops for a CrossFire system are open for different processing models. Compared to a blazing fast modern CPU that has 10 GFlops of total floating point calculation capability, the GPU has tremendous opportunity. Interestingly, though no one outside AGEIA knows for sure how much power their PhysX chip actually has, ATI feels that even if they have 25 GFlops of performance running at 100% efficiency, they can more than make up for their slightly lower efficiency with higher GFlops to spend.
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