Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 1/5] cpuset memory spread basic implementation | Date | Tue, 7 Feb 2006 18:28:48 +0100 |
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On Tuesday 07 February 2006 18:10, Christoph Lameter wrote: > On Tue, 7 Feb 2006, Andi Kleen wrote: > > > On Tuesday 07 February 2006 13:30, Ingo Molnar wrote: > > > > > you are a bit biased towards low-latency NUMA setups i guess (read: > > > Opterons) :-) > > > > Well they are the vast majority of NUMA systems Linux runs on. > > The opterons are some strange mix of SMP and NUMA system. The NUMA "nodes" > are on the same motherboard
Actually it's not true - 8 socket systems are built out of two boards. And there are much bigger systems upcomming.
> and therefore there are only small latencies > involved. NUMA only gives small benefits.
That's also not true. Everytime I get memory placement for process memory wrong users complain _very_ loudly and there are clear benefits in benchmarks too.
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