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Subject: Re: DEEP BLUES AVERAGE PLY?

Author: Robert Hyatt

Date: 20:04:11 08/21/02

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On August 21, 2002 at 12:07:49, Gian-Carlo Pascutto wrote:

>On August 21, 2002 at 11:36:02, Bas Hamstra wrote:
>
>>As far as I know (and have tested) the treesize for PVS is 15-20% smaller at
>>best and mostly less. I don't call that a tremendous difference.
>
>This is curious. When I tried it, I got a reduction in bf from 6 to 4.5 or
>something similar. I didn't measure percentages,but I would expect it to
>be much more than 20% then of course.
>
>I also tried a Sjeng with PVS against Sjeng without PVS once and the
>PVS version won by a large margin. I wouldn't expect that from only 20%
>speedup.
>
>Stuff to investigate...
>
>--
>GCP


I'm with Bas here.  PVS (for me) was 10-20% max.  But I already used aspiration
search so my root window was not +/- infinity...  Maybe that accounts for your
bigger gain?

PVS is easy to turn off in Crafty so I can check it again if you think it
should be more...



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