Author: Bas Hamstra
Date: 11:32:29 08/06/04
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On August 06, 2004 at 08:44:32, Tord Romstad wrote: >A basic question from a PVS newbie: > >How much of an improvement should I expect to see when I introduce aspiration >windows in a PVS search? When using an aspiration window of +- 0.5 pawns, >I don't see any improvement at all compared to a window of +- INFINITY. In >most positions, the node counts differ by just a couple of % (and the version >with aspiration is not always the fastest). > >Is this what I should expect, or should I start looking for a bug? > >Tord I faile to see ANY improvement with aspiration window and therefore have stopped using it years ago. I remember Tony Werten confirming my experiences back then. It simply doesn't help me. Bas.
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