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Subject: Re: Question for Bob Hyatt

Author: Pavel Blokhine

Date: 19:16:33 02/19/03

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On February 19, 2003 at 18:27:49, Robert Hyatt wrote:

>On February 19, 2003 at 17:42:53, Pavel Blokhine wrote:
>
>>On February 19, 2003 at 12:53:30, Robert Hyatt wrote:
>>
>>>On February 19, 2003 at 11:32:21, Pavel Blokhine wrote:
>>>
>>>>You seem to know about computer more than anyone here, so i would like to know
>>>>how well this computer will do using Deep Junior 7 or Deep Fritz 7 and Frizt 8?
>>>>
>>>>From IBM
>>>>
>>>>pSeries 690
>>>>
>>>>8- to 32-way SMP server utilizing the first ever POWER4 dual processor on a chip
>>>>using IBM advanced silicon-on-insulator and copper technologies.
>>>
>>>The problem is that this is not a SMP server as the world defines SMP.  I have
>>>not looked
>>>at it closely, but in the past, such machines from IBM were based on a
>>>message-passing
>>>architecture rather than shared memory.  Whether this machine fits that
>>>description or
>>>whether it is another NUMA system is something I'll try to look into and post a
>>>follow-up
>>>here...
>>>
>>>
>>>>
>>>>
>>>>Processor
>>>>64-bit POWER4
>>>>
>>>>Clock rates (Min/Max)
>>>>1.1GHz / 1.3GHz
>>>>
>>>>System memory (Std/Max)
>>>>8GB / 256GB
>>>>
>>>>Internal storage (Std/Max)
>>>>36.4GB / 18.7TB
>>>>
>>>>Performance (rPerf range)***
>>
>>>>12.72 to 50.56
>>
>>
>>I found them in the IBM website. I just wanted to know how well a computer using
>>32 processors and 256 GB of ram will perform against a GM or a Dual.
>
>
>If it is a NUMA machine, the dual will probably kill it until the program is
>modified to
>work on that kind of architecture.  In a classic NUMA machine, it is possible
>for 32 processors
>to run slower than one processor, if memory usage is not very carefully
>controlled.


Ok thank you. But what sort of computer you would say is considerably more
powerful than your dual?



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