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Subject: Re: Tablebases on 2 Hard Disks??

Author: Ray Banks

Date: 11:26:50 11/07/05

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On November 07, 2005 at 08:44:04, Chuck wrote:
>I think you will have some contention between the two engines unless you put the
>tablebases on two hard drives on separate disk controllers. This would minimize
>the contention as much as I can imagine, but won't eliminate it completely. The
>engine not on move would thus interfere with the engine to move. Better to use
>two separate computers IMO, but personally, I don't see what's wrong with
>running ponder off matches. You want to know the strength of the engines and it
>seems to me that ponder off will give you a pretty reliable result.
>
>Cheers,
>
>Chuck

I've run thosands of ponder-on games with tablebases in a single location, and
haven't noticed anything unsusual. But I don't know exactly what to look for
that would constitute a problem. Sure there will be some contention, but with
fast hard drives today I just don't think it is a significant issue.
One suggestion here was to use two hard disks in a raid configuration. That
appears as a single disk but physicaly two, hopefully the tablebases would
physically be spread across the 2 disks when you copied them on, thereby
avoiding some of the access issues








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