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Subject: Re: Hash Table Size Impact on Crafty v18.11 Benchmark

Author: Aaron Gordon

Date: 00:47:40 12/20/02

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On December 19, 2002 at 21:30:00, Bob Durrett wrote:

>On December 19, 2002 at 19:28:24, Bob Durrett wrote:
>
>>
>>Recently, there was a chart titled "Crafty v18.11 Benchmark" presented here.  It
>>showed Kn/s [what Hyatt calls "raw Kn/s"?] for various computers.  The absolute
>>worst computer, a P4-1.5GHz, had more than 500 Kn/s.
>
>><snip>
>
>>Bob D.
>
>It appears that the size of the hash table has a big impact on Kn/s in the case
>of Fritz 8.  What about Crafty v18.11?  What hash table size is used to obtain
>the data for the Crafty v18.11 Benchmark testing?
>
>We already talked about the impact of the choice of position.  The way that
>problem is addressed in the test was explained by Bob Hyatt.  But no information
>yet on the hash table size used in that test.  Are several different hash table
>sizes used and then an average Kn/s calculated?
>
>Bob D.

When I ran the Crafty v18.11 tests I used no RC file, default hash size for
Crafty. Hash = 3mb & pawnhash = 640k.



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