Author: Joseph Anthony Merolle
Date: 10:26:34 08/21/05
Go up one level in this thread
On August 21, 2005 at 13:14:24, Joseph Anthony Merolle wrote: >On August 21, 2005 at 12:28:21, Günther Simon wrote: > >>On August 21, 2005 at 12:08:35, Joseph Anthony Merolle wrote: >> >>>On August 21, 2005 at 11:08:09, Joseph Anthony Merolle wrote: >>> >>>>On August 21, 2005 at 06:53:20, Günther Simon wrote: >>>> >>>>>On August 21, 2005 at 06:20:04, Joseph Anthony Merolle wrote: >>>>> >>>>>>On August 21, 2005 at 06:13:18, Leo Dijksman wrote: >>>>>> >>>>>>>On August 21, 2005 at 05:47:18, Joseph Anthony Merolle wrote: >>>>>>> >>>>>>>> >>>>>>>> >>>>>>>>It seem that when running chess applications such as S9 uci and S9 CB there >>>>>>>>seems to be a leak of some kind. When playing a game my KNS seems to be running >>>>>>>>optimally however as the game goes on my KNS tanks dramatically. For example I >>>>>>>>can start off 400 kns hitting plys of 18 for about 5 moves or so then as the >>>>>>>>game goes on it tanks to 27kns with plys of 8-10. Some times it picks up again >>>>>>>>only to tank. I ran extensive diagnostics and nothing failed. I also ran AVG >>>>>>>>virus protection nothing was found and there is no throttling with throttle >>>>>>>>watch. Is there a problem with my computer, my install or applications (Shredder >>>>>>>>9, Chessbase and UCI)?. Any help in correcting this problem/s would be must >>>>>>>>appreciated. Below is my system config. >>>>>>>> >>>>>>>> >>>>>>>>Processor Mobile Intel(R) Pentium(R) 4 CPU 3.06GHz >>>>>>>>Processor Speed 1.56 GHz >>>>>>>>Memory (RAM) 256 MB >>>>>>>>Operating System Microsoft Windows XP Home Edition >>>>>>>>Operating System Version 5.1.2600 >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>>Regards >>>>>>>> >>>>>>>>Jospeh >>>>>>> >>>>>>>You did not say how much you use for hashtables and egtbs, probably you have set >>>>>>>it to high!? (Use 64MB or less) >>>>>>>Is 256MB RAM not a bit low for this PC? >>>>>>> >>>>>>>Leo. >>>>>> >>>>>> >>>>>>Leo , >>>>>> >>>>>> >>>>>>Sorry to say my hash is set low (44) and this still this happens. My tb is set >>>>>>to factory setting. With nothing running in back ground ether.. Thanks for your >>>>>>reply >>>>>> >>>>>>Joseph >>>>> >>>>>Disable XPs' automatical system recovery feature during the matches, >>>>>that should help, if not please ask again. >>>>>(when saying you run nothing in background, I guess you mean you also >>>>>have disabled AVG?) >>>>> >>>>>Guenther >>>> >>>> >>>>Guenther , >>>> >>>>Thanks for the advise however can you tell me how to disable the system >>>>recoverly feature. In the mean time I will get some test positions and will post >>>>as aked for. >>>> >>>> >>>>Joseph >>> >>> >>>Ok here is an example with a test position >>> >>> >>> >>>6rk/1NR2p1p/8/3Qq3/3p4/PP1n1pPP/5P2/6K1 w - - >>> >>>Here Rook C7 is the rt move which my system finds however at 5 min of analisis >>>look at how the kns tanks. The hash is set to 96 mb if I dont set it that high >>>the system never finds Rook C7 because it tanks to fast. However the same >>>tanking happens with lower hash (44.) I know it s not a hash problem (set to >>>high) because the position would never get off the ground (486 k/ns)(in the >>>first place if it was. Again there is nothing running in back ground in addition >>>I made sure to start with a fresh rebut. >>> >>> >>> >>>13/24 0:01 +2.55 1.Rc6 Qf4 (446.782) 357 >>> 14/29 0:01 +2.55 1.Rc6 Qf4 (749.100) 396 >>> 15/46 0:17 +2.30-- 1.Rc6 Qf4 (8.472.320) 478 >>> 15/46 0:24 +1.81 1.Rc6 Rg5 2.Qd8+ Qxd8 3.Nxd8 Kg7 4.Rd6 Rc5 5.Rd7 Rc1+ >>>(11.779.622) 487 >>> 15/46 0:27 +1.82++ 1.Rc7 (13.325.340) 485 >>> 15/46 0:29 +2.17++ 1.Rc7 (14.435.217) 486 >>> 15/46 0:35 +2.42 1.Rc7 Nf4 2.Qxf3 Nxh3+ 3.Kg2 (17.162.410) 486 >>> 16/42 0:58 +2.67++ 1.Rc7 Nf4 (25.562.221) 438 >>> 16/42 5:18 +2.68 1.Rc7 Qe5 2.Qxe5+ Nxe5 3.Re7 (32.512.932) 102 >>> >>> >>>as you can see after 5 min analisis a horible 102 k/ns and droping at that.... >>> >>> >>>Thank s for any additional help >>> >>> >>>Joseph >> >> >>Hi Joseph, >> >>For deactivating the system recovery: >> >>-> system control -> system -> system recovery >>-> check option deactivate >> >>You did not say though, that you were talking about position analysis >>(not games)and here especially late middle game, early endgame analysis. >>It may be that your slow down is a normal one, because of tablebases >>kicking in! Your last main line probably hits already a lot of tablebases >>and tbs probing can slow down kn/s to 25% sometimes, depends on the engine! >>I guess you probably have installed all 5 men and use them in your >>example? >>You can try to disable all tablebases for your test position above and >>it should not show such a slow down, _if_ all is ok with your machine >>setup. >> >>Regards, >>Guenther > > >No, not just position analysis I first noticed the problem playing engine >matches on Play.com. I started droping games (all) to people with 1/2 the >processor speed so I started to investigate. Then I noticed the dramatic K/ns >droping even with most men stll on the board so I know its not a TB issus. > > >:-( Guenther , Even after turning off TBs the same thing happens really what is happening is my CPU is not maintaining Clock speed. Joe
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