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Subject: Re: Fast hard-drive for endgames and game databases

Author: Robert Hyatt

Date: 07:51:04 04/24/03

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On April 24, 2003 at 06:25:12, Gordon Rattray wrote:

>Hi
>
>I'm considering buying a fast hard-drive.  Probably a Seagate Cheetah or Maxtor
>Atlas.  Both SCSI, 15k rpm and 8 Mb caches.  I'm currently using a standard 7200
>rpm drive.
>
>- can I expect to see a significant performance gain while any of my chess
>programs are hitting endgame tablebases?

Yes.

15K rpm drives cut the rotational latency by 1/3, dropping it to an average
of 2ms.

15K rpm drives to not transfer data any faster than 10K drives, and you will
find that 15K drives are not as "dense" as 10K drives, with respect to max
capacity.  The largest 15K drives I have seen are about 72 gigs.  I have 8 36
gig 15K drives in my dual xeon (36 gig was the biggest when I bought them.)




>
>- I also frequently search across a 2 million game database.  Can I expect to
>see a significant reduction in these search times.  Currently they average a
>minute or so.

If you use U320 15K scsi drives, they _scream_ and nothing wwill come close
to them.




>
>Gordon



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