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Just watching avatar in sky HD, I've seen it before but nothing's on yet. Everytime I see the effects and graphics I'm totally amazed. What kind of powerful system must you need for making that film?
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Wonder which GPU makes such wonderful images
- Thread starter JasonKnights
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Soldato
Most CGI is still done with banks of CPUs, rather than using a GPU. Different and more sophisticated rendering is used (mostly based around ray-tracing). It can take many hours to render each frame, even using a huge CPU cluster.
Supposing that thr floating point performance of a GPU could be used to full.effect for ray tracing, it would still take a good couple of hundred times more horsepower than present GPUs offer, in order for it to be rendered in real-time at smooth framerates.
Supposing that thr floating point performance of a GPU could be used to full.effect for ray tracing, it would still take a good couple of hundred times more horsepower than present GPUs offer, in order for it to be rendered in real-time at smooth framerates.
It's certainly a visual treat 
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I read an excellent article in Byte Magazine a number of years ago that explained in detail how a Silicon Graphics workstation worked, and its 16 or so Reality Engines could ray-trace a scene in real time. And it took just as much effort to display simple text only, as there was no simple bitmap graphics mode. I know scenes then would likely have fewer pixels than scenes today, but I am sure that the most recent workstations (before they stopped producing them) would do a much better job.