Author: Günther Simon
Date: 09:28:21 08/21/05
Go up one level in this thread
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
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