Author: Dann Corbit
Date: 12:45:20 12/17/04
Go up one level in this thread
On December 17, 2004 at 14:08:02, Uri Blass wrote: >On December 17, 2004 at 13:56:30, Dann Corbit wrote: > >>On December 17, 2004 at 06:07:53, Uri Blass wrote: >> >>>On December 17, 2004 at 05:55:47, Joachim Rang wrote: >>> >>>>On December 17, 2004 at 05:48:56, Uri Blass wrote: >>>> >>>>>Looking at the first game I also find depth 2 moves. >>>>> >>>>>Uri >>>> >>>>As a betatester I can confirm, that Fruit is still no match for Shredder. It is >>>>probably at least 150 elopoints weaker. the upcoming Fruit 2.0 (around >>>>christmas) will be stronger than 1.5 but still far behind the commercial ones. >>>> >>>>regards Joachim >>> >>>It is clear that it is too early for it to be better than shredder7.04 >>>I expected it to be better than shredder7.04 and even better than shredder8 but >>>my prediction was for 2007 and not for today. >> >>I watched the first three games. Most of the time, Shredder thought for quite a >>while, just like Fruit did. > >In most of the moves it could search more than 2 plies but some consecutive >moves at depth 2 are enough to decide the game. >> >>Perhaps there is some Shredder/Arena related bug. One thing is sure, that Fruit >>2 will be strong. My other programs do not perform so well against Shredder >>under Arena. > >I do not know >If you play with ponder off then the bug may be also a bug of fruit that does >not let shredder to use processor time. > >Another possibility is that shredder is slowed down because of using too much >hash[I think that it may be a good idea to use only 2/8 of the memory for hash >(1/8 for every program) to avoid problems and it means that if you have 256 >mbyte Shredder should use 32 mbytes for hash like fruit and if you have 512 >mbytes use 64 mbytes for shredder and 64 mbytes for fruit]. I have a gigabyte on this machine, and both programs get 95% of the CPU or so when running. I think there is some kind of a problem with Shredder on this machine, because I have security settings very high, and I occasionally get an error message that says, "Can't write that file" --> it does not tell me what the file is. The machine is 2.2 GHz 64 bit Athlon running Windows 2003 Server. I have the original Shredder CD in the drive. Mostly, I use Shredder for EPD analysis, so maybe that is why I did not notice a problem before. Even at that, Shredder usually clobbers any other opponent I run it against on this machine. I did report the "Can't write that file" problem to the Shredder home site (or maybe it was Chessbase -- I forget) some time ago and have not received any reply.
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