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Subject: Re: starting to feel a little let down

Author: Dann Corbit

Date: 12:20:34 08/23/05

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On August 23, 2005 at 15:13:18, Tord Romstad wrote:

>On August 22, 2005 at 12:59:58, Robert Hyatt wrote:
>
>>Remember 7-8 years ago when everyone was saying "Bob, you are wasting your time
>>on that parallel search stuff, that is for expensive computers, not for PCs.  We
>>are designing for PCs."
>
>Yes.  Most programmers develop for the computers they have now, and not for
>computers a decade into the future.
>
>>Flash forward.  By the end of 2006, most any new computer will have at least two
>>cores (two processors).  And AMD at least will be offering a quad-core processor
>>early in 06.
>>
>>This "SMP stuff" doesn't seem so useless any longer, does it?  Anyone that
>>ignores it, is just ignoring free performance that will be on _every_ machine
>>within a couple of years...
>
>I don't believe this at all.  It will take *much* longer than a couple of years
>before the majority of computers have multiple CPUs.  People in this forum
>vastly overestimate how often people replace their computers.  Even if no
>single CPU computer is ever sold after the end of this year, I expect that we
>will have to wait at least five years before every machine has more than one
>CPU (even for very weak values of "every").
>
>I also don't think it is true that most chess programmers ignore SMP
>stuff.  We just can't start working on it yet because our computers have only
>one CPU.  When I get a dual CPU computer, I will probably start working on
>an SMP version of my program immediately.  Unforunately this isn't likely
>to happen until some time in 2007.  My current computer is less than a
>year old, and won't be replaced any time soon.

I know someone who wrote an SMP version of his program without a multiple CPU
machine (had me test it).




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