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Subject: Re: Slow EGTBs - test position

Author: David Rasmussen

Date: 15:28:31 01/16/03

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On January 16, 2003 at 18:24:05, Dieter Buerssner wrote:

>On January 16, 2003 at 18:15:01, David Rasmussen wrote:
>
>>Didn't I show one of 7:1 rather?
>
>Perhaps, I was not looking carefully enough. What I saw (now citing from your
>post):
>
>----
>In a position such as this, this is Chezzz _without_ EGTBs:
>[...]
>        nps: 718426     nodes: 21559976 Q-nodes: 707976 (3%)
>             ^^^^^^
>[...]
>This is Chezzz _with_ EGTBs:
>[...]
>        nps: 234538     nodes: 7038510  Q-nodes: 196510 (2%)
>             ^^^^^^
>----
>
>This looks more like 3:1 than like 7:1 to me. But probably I missed something
>else ...
>

You are right. But that's when doing it once, and then clearing the hash and
doing it again, so everthing is "warmed up" and ready. When just doing it with a
newly started engine, nps is 113000 or so, instead of 234000.

/David



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