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A comment on Ask HN: What kinds of kernel designs are best for multicore processors?. Parent comment

Re:Ask HN: What kinds of kernel designs are best for multico... by astroguy on Sunday October 03, 2010 @08:37PM (#1754108)
I am behind crop of cache-coherent designs. Why scaling is an issue?
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Re:Ask HN: What kinds of kernel designs are best for multico... by rphlx on Sunday October 03, 2010 @10:15PM (#1754331)
The cache coherency protocols do not scale as nicely as explicit message passing protocols, in terms of area/power.
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