Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: The Problem With Microprocessors

Author: Dann Corbit

Date: 18:48:27 02/19/04

Go up one level in this thread


On February 19, 2004 at 21:25:47, Bob Durrett wrote:

>On February 19, 2004 at 21:19:02, Dann Corbit wrote:
>
>>On February 19, 2004 at 20:03:29, Bob Durrett wrote:
>>
>>>
>>>Microprocessors are lovable little creatures which are ADORED by all
>>>programmers, both male and female, because they are so easy [ : ) ] to program.
>>>[That, in fact, is part of the problem.]  There is even a new breed of digital
>>>engineers who have wrapped their entire careers around the little cuties.  Many
>>>programmers owe their very professional existence to microprocessors.
>>
>>Micro/Mainframe/Embedded processor are all irrelevant.  It is the programming
>>language layer that we target.  If I write a chess program in C or C++ (or
>>whatever) then I can run my program on any system that has a compiler for it.
>>You will find (for instance) that GCC targets many, many architectures.
>>
>>>It's all an evil deception intended to make programmers and engineers alike go
>>>astray.
>>>
>>>When microprocessors first became widely available, about thirty years ago, they
>>>hit the technical world like an atom bomb.  People jumped on the microprocessor
>>>bandwagon like they were the best thing since sex and now some even worship
>>>microprocessors!
>>
>>Inigo replied, "You keep using that word.  I don't think it means what you think
>>it means."
>>
>>>The new programmers, scientists, and engineers just coming out
>>>of college think that microprocessors [and EPROMS] have been around forever,
>>>since before creation, and that it is a SIN to design anything which does not
>>>contain at least one microprocessor.
>>
>>Strawmen are not as fun as the real ones.  You're just being silly now.
>>
>>>It is the speed and sequential nature of microprocessors which is both their
>>>strength and their weakness, depending on the application.
>>>
>>>A chess programmer sees a microprocessor as being a gift from Heaven, along with
>>>the alpha/beta algorithm.  [Shannon is seen as being a Saint.]
>>
>>They are both seen as tools.
>>
>>>If a chess engine were functionally decomposed into simple functional elements
>>>and if it were decided to provide hardware to perform those simple functions,
>>>then you can be sure that the modern designer would, without hesitation, reach
>>>for a microprocessor.  Why?  Because "That's the way things are done."  Each
>>>functional element would have it's own dedicated microprocessor.
>>
>>You have no idea what you are talking about.
>>
>>>Suppose the overall function of a chess engine were accomplished, mainly, by
>>>performing the various functions sequentially, one after the other.  Suppose
>>>also that each function is performed by hardware elements each containing a
>>>microprocessor.  What would happen?  Since the functions would be performed one
>>>after the other [i.e. sequentially] and since each individual simple function
>>>would be performed by the sequential process within the microprocessor for that
>>>simple functional element, then the net result would be no faster or better than
>>>doing the entire chess engine function on a single microprocessor.  To make this
>>>completely evident, note that I am postulating that only one microprocessor is
>>>working at any given time and that after one finishes the next starts.
>>>
>>>It should be evident that trying to create a hardware version of a chess engine
>>>should involve few if any microprocessors.  Only those tasks which cannot
>>>possibly be performed non-sequentially should have a microprocessor.  If more
>>>than one microprocessor must be used, then a way should be found for them to run
>>>in parallel.  Better would be no microprocessors at all.
>>
>>Hardware solutions always include CPUs.
>
>It's a sad thing to read that.  It implies that "digital design without CPUs" is
>not only a lost art but also completely forgotten.  Maybe taboo!

You could make an analog solution.

>Maybe it's too late.  I feel like a Prophet shouting in a desert with no one to
>listen.

I think you are making the sound of one hand clapping.  Soon, there will be no
ear to hear it.

>P.S.  There surely MUST be a place here at CCC for humor.  Or, is that lost
>too????
>
>: )

Humerus is a bone.  There is humor in the eye of the beholder.  Vitreous humor.




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.