Author: Joe McCarro
Date: 18:39:00 04/12/02
Go up one level in this thread
On April 12, 2002 at 20:44:38, martin fierz wrote: >On April 12, 2002 at 17:05:45, Mark Young wrote: > >>On April 12, 2002 at 14:28:13, martin fierz wrote: >> >>>>On April 12, 2002 at 03:43:16, Mark Young wrote: >>>> >>>>Sorry,Fritz 7 could be stronger,NPS means nothing between 2 programs >>> >>>NPS does not mean everything, but it does not mean nothing either. >> >>I did not say that it means nothing, I said NPS means nothing between 2 programs >>that are not the same. >> >> >> typically, >>>NPS is a "design choice" of the programmer - smart but slow or less smart but >>>faster. >> >>This is clearly wrong here, are you selling us that you can tell how smart a >>program is by NPS? Your understanding is limited, if this is your bias. > >my understanding is quite all right, thank you :-) >NPS is very much a function of how smart a program is. of course, if you write a >program in basic, and get low NPS, this does not mean that your program is >smart! i never said that. if you compare well-optimized engines (take some of >the top commercials, fritz, junior, shredder, hiarcs, whatever), THEN NPS is a >measure of how much work the program does on every node. in my checkers program, >for example, i can turn on or off several features like enhanced transposition >cutoffs, evaluation-based forward pruning and arbitrary parts of my move >ordering. i can also add or remove parts of the evaluation function. everything >i turn off makes my program faster in NPS, but it plays worse. the difference >between smart and dumb is a factor 2 in NPS for my program. >this is the design choice i was talking about, and it is the reason why people >here always say "NPS means nothing". if you are talking about this kind of >difference in NPS, it *does* mean nothing. talking about a factor 50, without >the penalty of being dumb in return is another matter entirely. > > >>How strong was Deep Blue 1997? How strong are todays micros? If you look at the >>facts based on games played....It is clear your argument does not hold water. >>What is Clear based on the data. Todays top micros are playing better then 2700 >>elo chess. And playing very close if not better then DEEP BLUE of 1997. > >facts based on what? like rebel-van wely 2-2 or huebner-fritz 3-3? i don't think >that these results are "very close" to defeating kasparov by 3.5-2.5! look at >what kasparov does to these 2 guys: >searching the big2000 database for kasparov - van wely gives me 4 games at >standard time control - 4-0 for kasparov. in a match against huebner in '85 >kasparov won 4.5-1.5. in matches at STC, where humans prepare and learn, i have >yet to see "better than 2700"... i know no other serious results than the 2 >above. What about Gulko??
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