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13th February 2009, 10:17 | #1 |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| 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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13th February 2009, 10:17 | #2 | |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| September 2007: Quote:
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13th February 2009, 11:59 | #3 |
Posts: n/a
| 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. |
13th February 2009, 13:06 | #4 |
Madshrimp Join Date: May 2002 Location: 7090/Belgium
Posts: 79,021
| stupid move in respect to product yields; intelligent move in respect to performance and power usage
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