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Subject: Re: Hard disk thrashing with Shredder9 Big hash size; currious

Author: Komputer Korner

Date: 19:38:25 05/22/05

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On May 22, 2005 at 17:47:35, Henrik Dinesen wrote:

>On May 22, 2005 at 13:47:15, Komputer Korner wrote:
>
>>On May 22, 2005 at 12:08:32, chandler yergin wrote:
>>
>>>
>>>What you are describing if I understand, is what you consider to be long
>>>disc accessing time when first starting up.
>>>Chessbase 9 is a much more sophisticated Program than Chessbase 7.
>>>Shredder 9 is a much more sophisticated Program than Fritz 5.32
>>>
>>>It takes them a lot longer to fully Load!
>>>Especially if you have writtten the Player Encyclopedia and EGTB's to your
>>>Hard drive.
>>>This is not a Unique Problem!
>>> It is not a problem.
>>>It's the normal time it takes to load all the information.
>>>Go grab a beer and wait it out.
>>
>>I am not describing a startup situation with Shredder9. It is a situation caused
>>by other programs. Sometimes depending on what other programs you run at the
>>same time, unless you shut down Shredder9 and restart it will crawl because of
>>hard disk access for the hash table. There is one other choice. Resize the hash
>>table but this takes almost as long as shutting down and restarting and is a
>>ridiculous choice because you are then left with a lower hash size. My technique
>>of shutting down and restarting solves the problem and has the advantage of
>>maintaining the large hash table without hard disk access.
>
>Out of curriocity: Why do you need that HT-size?
>
>The only situation I can imagine, would be when running 'infinite' for some
>reason, like someone apparantly does for corr-games.
>
>Regards,
>Henrik

I use infinite analysis for analyzing positions. The larger hash table size the
better. You can never have enough hash table if the engine is calculating for
long periods of time.



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