Author: Robert Hyatt
Date: 10:51:36 08/22/02
Go up one level in this thread
On August 22, 2002 at 11:20:50, Gian-Carlo Pascutto wrote: >On August 22, 2002 at 11:02:11, Robert Hyatt wrote: > >>I don't see anything that says that DB did more extensions than Deep Thought. >>In fact the paper you have says exactly the opposite, that late deep thought >>versions used the _identical_ search algorithm that ended up in deep blue. > >It doesn't say that at all. > >Quote: > >The search software was rewritten entirely for Deep Thought 2, and was designed >to deal better with the parallel search, as well as implement anumber of new >search extension ideas. This code would later form the initial basis for the >Deep Blue search software. > >initial basis != indentical > >They used identical algorithms from Deep Blue 1 to Deep Blue 2, not for >DT2->DB1. > >-- >GCP Try this: Page 2: Deep thought II... "this code would later form the basis for the deep blue search..." clear enough??? That was actually why they changed the name from deep thought to "deep blue prototype" in 1995, which led to the Hong Kong confusion. Old hardware, new search extension rules, tested on old hardware while waiting on the new chips to come back from fab...
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