Author: Tom Kerrigan
Date: 20:01:37 04/25/02
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On April 25, 2002 at 13:29:34, Robert Hyatt wrote: >On April 25, 2002 at 04:12:26, Dan Andersson wrote: > >>You are correct. I read that first order NUMA optimizations where unneccessary. >>But a memory access might make the other CPU wait for a while. And the overhead >>for running a SMP driver is anyones guess. >> >>MvH Dan Andersson > > >As you said, it _must_ make a difference. NUMA _always_ does... > >programming for NUMA machines requires additional analysis and planning to >stay off the low-performance memory accesses whenever possible. It requires nothing of the sort. Sure, you'll get better performance if you do. -Tom
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