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Unread 24-08-2006, 19:50
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Re: Mac G4 render farm

Quote:
Originally Posted by 6600gt
Clock does not determin performance. That is why AMD beat Intel until now. the new Xeons are far more advanced and do more per clock than those G4s ever could. The Xeons can do more instructions per clock than those G4s ever could.
The old 3GHz P4s could do 10,000 MIPS.
Clock speed tells nothing about its MIPS or the performance of the processor
No they don't, the clock speed determines how many instructions per second. Period. Just because the new Xeons are more "advanced" doesn't change the definition of megahertz. The farm of G4s do more instructions per clock (not considering other system specs, just processor) than the Xeon's does, even if you take into consideration the four logical processors...

The average studio quality scene takes an hour per frame to render.If the Xeon takes an hour to render it, and the G4s take 3 hours each, then they still win... because in 3 hours the Xeon will have rendered 3 frames, and the G4s will have rendered 36.

In standard rendering programs (like the default scan-line renderer for 3dSmax), three of the four cores in a quad-core processor are wasted, because the renderer only uses one. I have no Idea about the standard renderers for Maya, but I wouldn't imagine they could be much different.

The Xeon computer would have to be more than 36 times faster than its G4 predecessor to have better rendering capabilities, and that just isn't plausible.
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