Author: Vincent Diepeveen
Date: 10:02:54 12/28/99
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On December 28, 1999 at 11:44:54, Djordje Vidanovic wrote: >On December 28, 1999 at 11:41:14, Vincent Diepeveen wrote: > >>On December 28, 1999 at 11:34:49, Djordje Vidanovic wrote: >> >>>On December 28, 1999 at 10:59:03, Vincent Diepeveen wrote: >>> >>>>On December 28, 1999 at 10:20:42, Djordje Vidanovic wrote: >>>> >>>>>I got Deep Junior 6 several days ago and decided to find out more about it by >>>>>staging a tournament with my currently strongest engines under the Deep Junior >>>>>GUI. I decided on a round robin with programs playing 4 games against each >>>>>other. Time controls were G/25 (game in 25 minutes, sudden death), which is the >>>>>level most commonly used in rapid chess and the one quite likely to be used by >>>>>computer chess fans when playing their programs. >>>>> >>>>>The roster included two SMP programs -- Deep Junior and Crafty 16.15, and two >>>>>other super strong programs, Fritz (test version 6.66) and Hiarcs 7.32. The >>>>>venue was my dualboard PII/400 machine. Each program used 32MB hash, and the >>>>>Nimzo 7.32 opening book. Pondering and learning were off. >>>> >>>>Are you telling here that you are running 2 programs at 2 cpu's, >>>>so junior at 2 processors and crafty at 2 processors sometimes have >>>>a big problem that another program is eating up cpu time, thereby >>>>locking the whole process? >>>> >>>>Or did you use the right method involving 2 computers: >>>> - dual PII400 >>>> - single cpu computer >>>> >>>>How did you do the test? >>>> >>>>If you run a parallel program at 2 cpu's >>>>against another program at the same cpu's, then >>>>the dual version of that program is having major problems, >>>>as it cannot search on as a processor sometimes gets blocked by another >>>>process. Thereby reducing the nodes a second and plydepths a program >>>>running parallel gets. >>>> >>> >>>I tested the programs on a single computer, using a very simple method to ensure >>>that they can play in a more or less fair manner. Pondering was off and I >>>checked the CPU utilization via the Task Manager in Win 2000. There was no CPU >>>hogging, nor were the processes blocked. The nodes were evenly distributed, and >>>reached the same heights as when I used only one SMP program. Of course, you >>>have a point that this is not the best way to test programs. However, my other >>>computer is a single CPU comp and I could not test the SMP programs there. >> >>You can use AUTO232 >> >>>*** Djordje > >I would if I could. My wife is using it for writing her doctoral dissertation. >Perhaps you could try to persuade her that testing chess programs on both >computers is normal? :)) I'm sure you can run the programs for a game or 2 during the night :)
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