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Subject: Re: SMP variability

Author: martin fierz

Date: 21:47:17 09/04/02

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On September 05, 2002 at 00:03:37, Robert Hyatt wrote:

>Since you seem to like this kind of data, here is another run.  Kopec 4.
>It is at the _other_ end of the bad behavior spectrum...
>
>log.001:              time=2:15  cpu=99%  mat=0  n=45269425
>log.002:              time=1:07  cpu=199%  mat=0  n=45786559
>log.003:              time=1:06  cpu=199%  mat=0  n=45177069
>log.004:              time=1:05  cpu=199%  mat=0  n=45911977
>log.005:              time=1:08  cpu=199%  mat=0  n=46238262
>
>Again, first line is 1 cpu, rest are 2.  Hate to let Vincent see that as it
>is "right close" to 2.0 of course.  :)
>
>As you can see, some vary wildly, some are rock-solid.  Most lie somewhere
>in between those two extremes...
>
>More data coming...

thanks, this is really interesting. i never realized that SMP searches could be
so variable in some positions and very stable in others.
actually, vincent might like this, because it's >2 speedup :-)

aloha
  martin




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