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Subject: Re: A good deal.

Author: Slater Wold

Date: 22:32:05 12/22/01

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On December 23, 2001 at 00:11:33, K. Burcham wrote:

>
>
>cool let us know how this turns out slate.
>i looked at a scsi controller,  and a 15000 cheetah with large cache
>today, it was about $500 for both at gamepc.
>
>also a question slate.  i can see where this hd speed increase will help when
>using tablebases for the endgame. but if we have large ram, 1 gig or more,
>it seems the program will not even use this hard drive access speed increase,
>that the scsi offers.  for example, for a midgame position. once the hash fills,
>do you think the program starts to read/write to the balance of the ram that is
>available, or do you think once the hash fills the program starts a file swap to
>the hard drive. or do you think with direct memory access on, the program will
>read/write directly to the hard drive. please explain how you think all this
>data swaps, and reads and writes.
>
>kburcham

You should never swap in a chess game.  It's very bad.  Even with the hash is
full.  Check perfmon to make sure you aren't.

The SCSI drives I bought this week are _TWICE_ as fast as my old IDE.  I don't
expect a huge gain from anything, I've just been meaning to go to SCSI for a
long time.  And now I have, for very cheap.



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