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Subject: Re: Clearing the hashtables before the search

Author: Gian-Carlo Pascutto

Date: 06:50:57 12/30/01

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On December 30, 2001 at 09:44:41, José Carlos wrote:

>  And about aging hash entries, I do something 'original'. I save the total
>material with the hash entry. As long as the material in there is smaller or
>equal than the root position, I think the hashed position is interesting,
>because it is still possible to reach it. When it is bigger, it is immediately
>replaced.

a) this takes more bits than a simple age entry

b) the tree explores so many nodes that even nodes with same
material can be very very different

c) your table will get full in a blocked position

This does not look like a very good idea at first sight.

--
GCP



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