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Subject: Re: Deep Sjeng testers wanted

Author: Robert Hyatt

Date: 19:43:09 08/29/02

Go up one level in this thread


On August 29, 2002 at 22:23:43, Will Singleton wrote:

>On August 29, 2002 at 20:05:59, Dann Corbit wrote:
>
>>On August 29, 2002 at 06:15:19, Gian-Carlo Pascutto wrote:
>>
>>>On August 28, 2002 at 15:20:25, Georg v. Zimmermann wrote:
>>>
>>>>Hey GCP,
>>>>
>>>>how is Deep Sjeng going ? What did you use to understand the parallel >algorithms you are using (which ones) ?
>>>
>>>I started out with ABDADA (described in ICCA journal article and used
>>>in Amy), which got me a speedup of +- 1.2. I went on to try PVS (Crafty
>>>15.0 and described in several articles about parallel search) which got
>>>me a speedup of 1.2-1.3.
>>>
>>>1.3 wasn't enough, so I 'bit the bullent' and started looking at DTS (Cray
>>>Blitz). Unfortunately, DTS is both hideously complicated and requires a
>>>nonrecursive search and a p2p design.
>>>
>>>I spent some time working on a variant of DTS that can work with a recursive
>>>search function and a master-slave design and that is what I am using now.
>>>
>>>It still needs a lot of test work, but current results indicate a speedup
>>>of about 1.6
>>
>>I have a dual Xeon here at 2.4 GHz (1 gig ram).  Might be worth a bench call to
>>see how it can perform.
>
>I saw that system at the Dell website.  How does it perform?
>
>Will


An even better question.  Someone on the linux kernel mailing list said that
they have a quad 2.2ghz xeon machine.

Anybody seen that advertised anywhere???



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