Author: Robert Hyatt
Date: 07:55:08 12/31/03
Go up one level in this thread
On December 31, 2003 at 03:52:03, Sandro Necchi wrote: >On December 30, 2003 at 01:33:52, Slater Wold wrote: > >>On December 29, 2003 at 23:03:50, Robert Hyatt wrote: >> >>>On December 29, 2003 at 14:14:03, Slater Wold wrote: >>> >>>>There is a lot of talk that the HW experiment(s) Peter & I have run are no good, >>>>because the commercial is getting 'crappy' hardware. That a Celeron vs a P4 is >>>>not the same as a 2x2.8Ghz vs a 4x2.0Ghz Opteron. >>>> >>>>I don't want to get into this discussion. I just want to see who is right. ;) >>>> >>>>Here is what I propose: >>>> >>>>Crafty = Crafty 19.8 on a P4 3.0Ghz with 8h/G. >>>>Shredder = Shredder 7.04 on a P4 2.0Ghz with 2h/G. > >The best thing you can do to get close to the real tournament is to run Shredder >7.04 under UCI and with tournament book option on. >This will not be the same as in tournaments the book selection has not so many >alternatives. > >The commercial version needs to have many alternatives not to be boring as it is >made for the users to get fun with it. >This means that you cannot create exactly the same, but it could be similar. > >Also here you are running a version which is about one year old, since the new >Shredder 8 will be available soon, while Crafty is with the latest version and >may include also some lines specifically prepared against Shredder 7.04. >This needs to be taken into consideration as well. > >About Crafty ask Robert. My book (as distributed) has _no_ prepared lines against anybody. It is made from a PGN game collection with about 2 million games, condensed into something small enough to be reasonably trustworthy. In fact, most build their own book for Crafty since it is very fast to do this. > >Sandro >>> >>>My advice is to run crafty on both machines, and compare the NPS. Then play >>>with shredder at 2h/G and crafty at the appropriate multiplier to achieve the >>>time advantage you are trying to test. IE if you want to do an opteron >>>comparison, I could give you a bench run to give an NPS value for the quad >>>2.0ghz opteron I was running on... You could use that to scale the Piv/3 to >>>that speed if that is the point here... However, I am not quite sure what you >>>are trying to show? IE I have run on an 8-cpu opteron and know what it looks >>>like speed-wise as well. I've not run on any opteron beyond 8-way yet... >> >>The P4 3.0Ghz is 66% faster than the 2.0Ghz. It benches 1.23M nps. Crafty had >>a 4x time odds (8h vs 2h). >> >>The 4-way did more NPS than that. Way more. (1.23*4=4.92M). Even at 5x time >>odds it'd be tough. That's only 6.15M nps. >> >>>>The games will be played on ICC. >>>> >>>>Bob, feel free to send me learning files, books, special instructions, whatever. >>>> This will be just like a championship. >>> >>>I would use the same books on the ftp. Re-grab the to clear any learning >>>if you have run any with learning enabled. Then run both engines with >>>learning enabled... let 'er rip... >>> >>> >>> >>>> >>>>Same with you Sandro.
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