Author: Roy Eassa
Date: 08:59:58 04/10/02
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Dr. Hyatt, I think this part of what you said is the big factor that is most often overlooked: Deep Blue was _hardware_. In a software chess engine, every bit of evaluation "knowledge" you add costs you in terms of speed. So it is a series of compromises... gaining this bit of knowledge is more than offset by the tactical loss of skill due to the engine running slower... for example. DB was different, because they designed the evaluation in hardware, and they could pipeline the whole thing so that many parts of the evaluation could proceed in parallel. Which means that they could add "knowledge" with no cost in speed at all. That gives them a great advantage in that any knowledge can be added without regard to reducing the tactical skill of the machine, something that the rest of us have to deal with daily... I don't think everybody realizes this fact, whereas they DO realize that DB was dozens of times faster than today's PCs, etc.
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