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Subject: Re: How To Fairly Allocate Resources Between 2 multitasking Chess Programs

Author: Mark Young

Date: 08:46:18 08/12/98

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On August 12, 1998 at 11:13:06, fca wrote:

>This has arisen from a post by Mr Langrath elsewhere.
>
>If multitasking two chess programs on one PC, and playing a game between
>them, how does one "fairly" allocate resources between them?
>
>I accept there is no question of properly deducing playing strength in such a
>scenario.  That is NOT the objective, therefore.
>
>0. What does "fairly" mean?
>
>1. RAM?
>
>2. CPU %?
>
>3. Idle / background priority?
>
>4, Thinking Time set on program?
>
>and especially
>
>5. Should permanent brain be switched off on one or both programs?
>
>Ideas on how to arrive at the answers, please, or better still - the answers
>themselves. :-)
>
>Kind regards
>
>fca
>
>PS: This is I believe one of the more interesting questions for newbies and
>others.  So please confine trolling answers to the other place.

When I test programs on one computer I used a CPU meter, so I would know if one
of the programs was taking any cpu. Some programs will, even with permanent
brain off. Or some programs like Nimzo98 do not have permanent brain option. In
either case what you need to do is open up an option box in the program like
level or database or something like that. Check the cpu meter till you find
something that stops the program for taking any cpu. Then have the other program
think while the option box is still opened in the other. It can be a pain to do
this, but it is the only way to spot some programs from taking some cpu time all
of the time.



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