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Intel taking 6-core route for broken 8-core CPUs Intel taking 6-core route for broken 8-core CPUs
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Intel taking 6-core route for broken 8-core CPUs
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Old 13th February 2009, 11:17   #1
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Default Intel taking 6-core route for broken 8-core CPUs

One major part of the Xeon presentation is Intel's "cache and core recovery" scheme, which lets the company salvage a usable part from a defective chip by disabling the defective regions and selling the chip with a lower core count or cache amount.

So for instance, if testing and validation finds a defect in a cache slice on a chip, then Intel can disable that slice and sell the chip with lower cache. And likewise with cores, so that you might buy a six-core chip from Intel that was originally produced as an 8-core Xeon but had two defective cores.

http://arstechnica.com/hardware/news...e-recovery.ars
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Old 13th February 2009, 11:17   #2
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September 2007:

Quote:
Asked in a press conference following his Intel Developer Forum keynote how Intel might respond to AMD's recent announcement of a planned three-core processor for early 2008, Otellini offered a brief but savage response: "We see a distinct advantage in having all the cores on our die work."
http://www.itwire.com/content/view/14512/1154/
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Old 13th February 2009, 12:59   #3
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It seems to be a consequence when you put all cores on one die the yields suffer and you have to resort to this method.

Maybe all cores on one die is a stupid move.
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Old 13th February 2009, 14:06   #4
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stupid move in respect to product yields; intelligent move in respect to performance and power usage
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