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Subject: Re: Differences between 0x88 ,10x12 and Bitboards!?

Author: Gian-Carlo Pascutto

Date: 11:56:27 11/19/02

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On November 19, 2002 at 14:53:45, Russell Reagan wrote:

>On November 19, 2002 at 14:33:53, Gian-Carlo Pascutto wrote:
>>A factor 2? I don't know about you, but I think a factor 2 is _big_.
>Surely a factor of two in move generation is not that significant. Even if you
>had an effective branching factor of 2 (which no one has consistently) you still
>wouldn't gain even an extra ply.
>And a 2x speedup in move generation or make/unmake doesn't indicate that the
>engine is any faster at all. It might do things elsewhere that someone else does
>in make/unmake for example.
>A factor of 2 in move generation or make/unmake says that they're in the same
>ballpark to me.

Then what's the point in mentioning this as a proof that bitboards
are not inferior on 32-bit hardware?


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