Author: Vincent Diepeveen
Date: 05:29:26 07/15/03
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On July 15, 2003 at 08:21:33, Vincent Diepeveen wrote: >On July 14, 2003 at 18:59:33, Dave Gomboc wrote: > >>On July 14, 2003 at 10:13:58, Vincent Diepeveen wrote: >> >>>So brutus is dangerous because it is going to score a big number of points in >>>its home competition. Shredder is simply very good. And the junior team is >>>always mercilous getting somehow points, but i don't fear them. You can't win >>>world titles continuesly by just being mercilous and having a well debugged >>>engine. >> >>But Junior has won world titles before... :-) >> >>>The only unsure thing always in world champs is the role of the openingsbooks. >>>In that sense Shredder is the program to beat there. >> >>It sounded from your description that you had problems with configuration issues >>last year, and also some testing oversights. I guess the question is if you >>have solved that this year, and if so, how much difference it will make. Most >>competitors are not standing still either! >> >>Dave >> >>P.S. So do you have a prediction for what place you will finish in? :-) > >A supercomputer system time is too expensive to go for the second spot. To answer your question before you ask: "how expensive". I have 90000 cpu hours. The paper supports everything, so a price of 40 euro a PNU (processor node hour which is either using the memory of a processor or using the system time of a processor). So divide by 40 euro an hour or so. If my time is added to that 90000 hours it's way more as i had to write 400 pages of paper to get the system time too. So that's about 3.6 million euro. Of course on paper. the money to buy the machine was already invested in 1999/2000. However keeping running such a machine is pretty expensive. Routers from Cray/SGI aren't known to be the most power saving routers :) I wouldn't be amazed if the machine eats well over 1 megawatt up to 2 megawatt. The new machine i do not know. What i do know is that the processors eat more power. 107 watt for madisons * 416 cpu's = 40KW added already only for the cpu's. Usually those eat 10% of the total power. So i guess another 0.4MW or something for the new machine, if not more. So the electricity bill each year is many millions of dollars. power more than 2 times more expensive here than in USA (do not know about Japan). Netherlands cannot produce its own power. therefore we import power from other nations. Usually that is nuclear power of course from France or some eastern nation. Best regards, Vincent
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