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Subject: Re: FIND THE DIFFERENCE IN BOOK:

Author: Eugene Nalimov

Date: 17:09:55 10/27/03

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On October 27, 2003 at 20:00:54, Robert Hyatt wrote:

>On October 27, 2003 at 19:57:12, Eugene Nalimov wrote:
>
>>On October 27, 2003 at 19:24:10, Peter Skinner wrote:
>>
>>>On October 27, 2003 at 19:06:51, Eugene Nalimov wrote:
>>>
>>>>
>>>>I don't think you should be afraid. 500 CPUs is not enough -- you need
>>>>reasonable good program to run on them.
>>>>
>>>>Thanks,
>>>>Eugene
>>>
>>>I would bet on Crafty with 500 processors. That is for sure. I know it is quite
>>>a capable program :)
>>>
>>>Peter.
>>
>>Efficiently utilizing 500 CPUs is *very* non-trivial task. I believe Bob can do
>>it, but it will be nor quick nor easy.
>>
>>Thanks,
>>Eugene
>
>
>If the NUMA stuff doesn't swamp me.  And if your continual updates to the
>endgame tables doesn't swamp me.  We _might_ see some progress here.  :)
>
>If I can just figure out how to malloc() the hash tables reasonably on your
>NUMA platform, without wrecking everything, that will be a step...

Ok, just call the memory allocation function exactly where you are calling it
now, and then let the user issue "mt" command before "hash" and "hashp" if (s)he
want good scaling.

Thanks,
Eugene



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