Linked by Thom Holwerda on Fri 8th Mar 2013 22:01 UTC
Apple John Siracusa: "On paper, the Mac Pro may no longer be a viable product, but it would be a mistake for Apple to abandon the concept that it embodies. Like the Power Mac before it, the Mac Pro was designed to be the most powerful personal computer Apple knows how to make. That goal should be maintained, even as the individual products that aim to achieve it evolve." I agree wholeheartedly. The Mac Pro - and the PowerMac before it - are amazing products, and I would be quite sad to see them go. They may not always lead the pack in performance, but when it comes to sheer engineering and interior design, they are among the very best. I have zero need for a Mac Pro, but to this day, I always take a few minutes to admire it whenever I pay a visit to my Apple retailer.
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RE[2]: Mac Pro is actually cheap
by wigry on Mon 11th Mar 2013 20:10 UTC in reply to "RE: Mac Pro is actually cheap"
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The problem comes down to the fact that multiple CPU-s must communicate with each other and that brings the performance down. They must wait after each other. Only very careful program tuning and specific algorithms can allocate both CPU-s and keep them busy without any need for them to communicate with each other. Nothing to do with platform nor operating system. This is basic multi-CPU issue.

Cores on a single CPU can communicate much much faster than different CPU-s

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