Author: Chessfun
Date: 20:17:32 05/03/00
Go up one level in this thread
On May 03, 2000 at 17:01:06, Chessfun wrote: >On May 03, 2000 at 08:35:39, Chessfun wrote: > >>On May 03, 2000 at 03:36:45, pavel wrote: >> >>>Hi, >>> there have been a recent debate like "thingie" about crafty "does better >>>utilization of computer" then fritz (or most program). In reply to that Bob >>>posted that it is not true , however the utilization should be allmost the same. >>>And i believed that too. But wasnt sure about it. I downloaded this program >>>called "taskinfo", (shareware) and i did a test on crafty and fritz running on >>>one cpu under fritz interface. As Bob said the utilization was more or less the >>>same, it didnt differ more than 3 to 4% for both programs. It wasnt stable once >>>it was 4% better on fritz the other time it was 3% better on crafty. But also >>>this differances was also very rare. the most frequent differances was .50%. So >>>you can see (Christophe) that crafty_doesnt_utilize_more >>>_of_the_computer_resources ;0. To be sure that its the same in all circumstances >>>i tried it under winboard (crafty and goliath) and also used other programs >>>(exchess,comet,TCB,chessmaster7000). and they are more or less the same. >>>just sharing info, >>>thanks >>>pavel >>> >>>ps, thus it mean that comp vs comp games are accurate in single cpu. If we >>>provide the same hash size, and everything else, wont it be the same for both >>>the programs? the only differance would be that in seperate CPU, programs would >>>play stronger, but in single cpu they might play comperably weaker. >> >> >>Pavel, >> I have this same program. >> >>When running an engine v engine match the list don't show both >>engines just the main program. The only way to see the effect is >>to run each seperately and compare and this obviously isn't correct. >> >>You can right click and view all threads but assuming that in my >>case my two engines are at the last two threads since the eng files >>are NOT identified. >> >>I get a difference in cpu usage of the 3% but get spikes over 20%. >>These spikes are particularly noticable as soon as both programs >>leave book. Then during the game it settles down a bit but can spike at 10%. >> >>This is running F6...F6 and Crafty 17-10 eng v eng match >>at 10 mins with ponder=on on both engines. >> >>Can you explain exactly how and where you are looking?. >> >>Thanks. > > >Under Winboard it may be easier to see the differences as >both engines are shown in Taskinfo2000. > >But running Comet v Crafty 1 hour match I get differences of >12% in % CPU and 5% for LT % CPU. With Comet (white) taking the most. > >I just reversed them Crafty white and see smaller differences >8% CPU. > >Though I like this Taskinfo2000 it's pretty cool. > >Thanks. The above posts refer to my Cel 433 running win 98. In my Cel win 95 it is much worse. The fluctuations here can be 72% CPU to 19% CPU and the average spread is much worse. What OS are you using?. Thanks.
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