Author: Christophe Theron
Date: 10:29:51 04/01/98
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On April 01, 1998 at 03:21:58, Andreas De Troy wrote:
>[I wrote a similar post a few days ago in rec.games.chess.computer, but
>it did not show up there (at least I did not see it), so I repost it
>now.]
>
>I am working on My First ChessProgram and I wonder how you people count
>these nps (nodes per second). I see that Nimzo98 claims 200 000 nps on a
>Pentium 200 and when I compare this to *my* current program I cannot
>imagine how I could ever reach, say, half of this number. I got
>typically between 45 000 and 70 000 nps with material evaluation only.
>
>So how do you count this? I saw in Crafty the "nodes++"-statement at the
>beginning of the ab-search and the q-search, and that's how I count too.
>But maybe you should count the number of generated moves instead? (The
>number would be much higher then.)
>
>And a few days ago I saw in a message from KK that hashing influenced
>this number too so my second question is: are the hits counted, or
>aren't they?
>
>Thanks for any info on this,
>
>Andreas De Troy.
I increment my node count each time I make a move on my internal board.
That's all. I think I get the same node count as Bob gets.
Christophe
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