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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

MacBook - Quartz with shared memory


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anef

 
Member Since: Nov 07, 2007
Posts: 1
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Hello everyone,
I am new to the Mac world.

I have a technical question about the graphic pipeline in Mac OS and the chipsets with shared video memory.

I have read the following article:
http://arstechnica.com/reviews/os/macosx-10-4.ars/13

It clearly explains how the Quartz architecture has evolved in the past years and how performance has been increased by moving central procedures on the GPUs, where faster VRAMs do not create a bottleneck.

My question is: how does that work on macbooks, where video cards do not have a fast, private video memory?

Since the VRAM and its virtualization seem to represent the key to the exceptional Quartz performance, I cannot understand why macbooks and macbooks pro are told to be fairly similar when not using intensive-3D processes, like games. How can Quartz acceleration work on macbooks?

I have performed several searches on google and did not find anything.

Thanks,
anef
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