Author: Stephen A. Boak
Date: 16:36:57 11/24/05
Go up one level in this thread
On November 24, 2005 at 04:40:30, Eelco de Groot wrote:
>On November 24, 2005 at 00:41:41, Stephen A. Boak wrote:
>
>>
>>Thanks, but I think I need official help from the programmer or programming
>>team.
>>
>>When I run Fruit/Toga type engines in overnight analysis (Full game analysis -
>>relatively long time controls, perhaps 3 - 10 min / move), Chessbase8 gui often
>>shows a runtime error which apparently stops the analysis mid-game.
>>
>>I want to know if this is caused by HT being set too high in the GUI (beyond the
>>engine limit). Don't know, since I don't know that engine limit.
>>
>>Prior postings seemed to indicate that Fruit was limited (at least at one time)
>>to only 200MB HT, so I figure that Fruit-Toga versions may also have same or
>>similar limitations.
>>
>>My computer has 1GB ram, so I often give up to 512MB HT size to my programs, for
>>overnight analysis.
>>
>>I don't know how to experiment to resolve this, so I will not.
>>
>>Can't tell if the GUI HT size setting interferes in some how with a limit in the
>>engine for handling/using HT.
>>
>>Can't tell if the GUI HT size actually changes the HT used by the engine to the
>>selected GUI size, or if that is cosmetic and not functional at the lower
>>(engine) level.
>>
>>Regards,
>>--Steve
>
>Hi Stephen,
>
>Glancing through Toga's sourcefiles, in option.cpp I see following line:
>
>
>static option_t Option[] = {
>
> { "Hash", true, "16", "spin", "min 4 max 1024", NULL },
>
>So similarly to Fruit the limit would be 1024 Mb HT. See also Günther Simon's
>post http://www.talkchess.com/forums/1/message.html?463913
>I don't believe a higher hashsetting could crash an engine, it simply would not
>accept it, maybe in combination with Chessbase 8 your memory usage would be
>possibly too high but that also seems unlikely, it would in theory only cause
>diskswapping. Probably some other small bug! How about trying another interface?
>CP? Shredder?
>
>Just a small test Toga 1.1 running at the moment with 512 Mb Ht, seems to work
>okay after 15 minutes but of course that is not overnight analysis
>
>Have you tried different settings already with Toga or Fruit? Especially for
>analysis I think that other settings might be tried for better analysis results?
>
>
>Groeten, Eelco
Thanks for the tips, Eelco!
I'll keep working on it (will try Shredder Classic GUI & see how that does).
Best regards,
--Steve
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