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Subject: Re: Bratko-Kopec Test - Node Counts

Author: Ernst A. Heinz

Date: 13:02:43 06/17/98

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On June 17, 1998 at 15:34:25, Robert Hyatt wrote:

>How about this:
>
>Pick a position from the first 12 test cases, ignoring number one which
>should never have been in the test, and then run the test position for
>depth=1, then 2, then 3, then 4, and so forth, and publish the node counts
>here.  I'm fixing to do the same...    in fact, here are my numbers for
>position #5, from 1 to 10 plies deep:
>
>   depth       total nodes
>     1                61
>     2               299
>     3             1,939
>     4             9.052
>     5            41,606
>     6           121,430
>     7           459,585
>     8         1,244,527
>     9         2,935,151
>    10         6,494,133
>
>those are using a 12mb hash table (crafty) and a 3m pawn hash
>table. the 10 ply search took 1:16 (all were run with one cpu).
>these node counts are the *total* node counts, so the 10 ply
>count includes all the ones before it, plus the nodes added by
>the 10 ply iteration...

"DarkThought" on 600MHz Alpha-21164a (numbers are nearly the same
for hash sizes from 4MB to 128MB):

      9         3,029,170    (11 sec)
     10         4,960,696    (18 sec)
     11        10,007,017    (36 sec)
     12        25,739,833    (90 sec)

=Ernst=



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