Red Fox Warriors! - News: Nvidia finishes porting PhysX to CUDA

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Nvidia finishes porting PhysX to CUDA

PhysX demonstrated working in CUDA with impressive performance results

Nvidia only acquired Ageia in February, but the company has already got the company's PhysX API working on GeForce cards and demonstrated it in action.

Nvidia told the audience at its recent analysts day that the conversion of the PhysX API into CUDA (Nvidia's technology for programming a GPU with C) had been completed, and also showed off a particle demo that was apparently similar to Intel's Nehalem physics demo from IDF 2008. However, Tom's Hardware claims that while the Nehalem demo managed 50,000 - 60,000 particles at 15-20fps, Nvidia's demo on a GeForce 9800 card achieved the same level of particles at an amazing 300fps.

Ageia's co-founder, Manju Hegde, presented the case for GPU physics against using a Core 2 Quad CPU, with a slide claiming that a GeForce 9800 GPU could process 20 times as many particles, six times as many fluid calculations, five times as many cloth simulations and five times as many soft body calculations. Nvidia was also keen to point out that it's taken the company just a month to complete the port of PhysX into CUDA. The PhysX API supports every gaming platform out today, including the PC, Xbox 360, PlayStation 3 and Wii.

Nvidia's director of product PR for Europe, Luciano Alibrandi, told Custom PC last month that owners of GeForce 8-series cards and above would 'simply need to download the CUDA PhysX drivers' when work on the port was finished. 'Hardware acceleration will then be transparently supported for applications making use of the PhysX SDK,' said Alibrandi, meaning that owners of GeForce 8 and 9-series card could soon be able to play CellFactor Revolution with all the cloth and oil simulations enabled.

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