Linked by Thom Holwerda on Fri 28th Oct 2005 11:17 UTC
Hardware, Embedded Systems Herb Sutter, a software architect from Microsoft, gave a speech yesterday at In-Stat/MDR's Fall Processor Forum. Addressing a crowd mostly consisting of hardware engineers, he talked about how the software world was ill-prepared to make use of the new multicore CPUs coming from Intel and AMD.
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NT has the most mature implementation of SMP out of Linux, XNU, and NT. XNU would be in the least-mature slot, despite any hardware configuration decisions on the part of Apple.

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rayiner Member since:

NT's implementation is the most mature, true, but I'd wager Linux's is slightly to significantly more sophisticated and more scalable. While Linux's is much newer, they've also got some code/design in there from AIX's very mature SMP implementation. They also seem to have NUMA covered more throughly than NT, at least from what I garner reading tech notes regarding NUMA for Windows software.

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