Author: Torstein Hall
Date: 15:36:20 11/30/00
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On November 30, 2000 at 17:45:55, Dann Corbit wrote: >On November 30, 2000 at 17:33:17, Laurence Chen wrote: > >>On November 30, 2000 at 16:03:02, Garry Evans wrote: >> >>> >>> Looks like already the k62-450 is hopelessly outdated, isn't it time for the >>>ssdf to upgrade? I assume that most people have atleast a 700mhz computer these >>>days. Or am I mistaken? >>They would if they could afford, unless anyone can make hardware donation to the >>SSDF. > >Actually, using the older hardware is much smarter than using new hardware. You >would have to completely recalibrate all the programs, taking tens of thousands >of hours to get an accurate figure. > >Besides, it is quite likely that the programs scale approximately linearly with >hardware speed compared to each other, but that's another experiment. > >Consider: >You have a magic opponent who has played literally millions of games. His ELO >is known within 1/2 of a point. You have a steady stable of these opponents, >all with the same rock-solid calibration. > >You have another list of opponents you can use. They might be able to beat >Kasparov, but they might be 300 ELO below him. They are probably stronger than >the first group, but you can't really even be sure of that. You really don't >know all that well. > >Which pool of talent will you use to find out how strong a new engine is? If >you are smart, or know anything about mathematics, you will use the first pool. > >For those who would like to use high speed hardware to calibrate chess programs >-- have at it. There is nothing to stop you from doing so except, perhaps, the >tens of thousands of hours of efforts between the start time and the time you >have good, reliable numbers. If you start with a new program, you can just as well play it on new hardware. Just let it play games against known programs on old hardware. You will get a reliable rating for the new combination of software and hardware, as you got with a new program running on old hardware! Torstein
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