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Subject: Re: Crafty and NUMA

Author: Jeremiah Penery

Date: 15:38:37 09/02/03

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On September 02, 2003 at 17:52:33, Vincent Diepeveen wrote:

>calculating nps:
>8 way opteron: 8 * 200k nps = 1.6 MLN - 2GB hashtable
>
>64 way SGI altix 3000 (latency 2-3 us to 50% of processors):
>64 * 100k nps = 6.4 MLN - 128GB hashtable
>
>Give me the 64 way itanium in that case :)

And what kind of efficiency do you get on that 64-CPU machine compared to the
8-CPU one?  That's really the important thing.  I'm sure you know that, for all
your ranting about Deep Blue's parallel effiency over the years.



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