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DateSun, 3 Apr 2005 23:38:16 -0700
FromPaul Jackson <>
SubjectRe: [patch] sched: auto-tune migration costs [was: Re: Industry db benchmark result on recent 2.6 kernels]
Nick wrote:
> In a sense, the information *is* already there - in node_distance.
> What I think should be done is probably to use node_distance when
> calculating costs, ...

Hmmm ... perhaps I'm confused, but this sure sounds like the alternative
implementation of cpu_distance using node_distance that I submitted to
this thread about 16 hours ago.  It was using this alternative that
got me the more varied matrix:

---------------------
          [00]    [01]    [02]    [03]    [04]    [05]    [06]    [07]
[00]:     -     4.0(0) 21.7(1) 21.7(1) 25.2(2) 25.2(2) 25.3(3) 25.3(3)
[01]:   4.0(0)    -    21.7(1) 21.7(1) 25.2(2) 25.2(2) 25.3(3) 25.3(3)
[02]:  21.7(1) 21.7(1)    -     4.0(0) 25.3(3) 25.3(3) 25.2(2) 25.2(2)
[03]:  21.7(1) 21.7(1)  4.0(0)    -    25.3(3) 25.3(3) 25.2(2) 25.2(2)
[04]:  25.2(2) 25.2(2) 25.3(3) 25.3(3)    -     4.0(0) 21.7(1) 21.7(1)
[05]:  25.2(2) 25.2(2) 25.3(3) 25.3(3)  4.0(0)    -    21.7(1) 21.7(1)
[06]:  25.3(3) 25.3(3) 25.2(2) 25.2(2) 21.7(1) 21.7(1)    -     4.0(0)
[07]:  25.3(3) 25.3(3) 25.2(2) 25.2(2) 21.7(1) 21.7(1)  4.0(0)    -
---------------------
-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@engr.sgi.com> 1.650.933.1373, 1.925.600.0401
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