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Up Topic Rybka Support & Discussion / Rybka Discussion / rybka version Deep options
- - By karmazen_robert (**) Date 2007-12-20 18:44
hi,

one question. I like use the chess engines on second plane, I like use the PC for other things... I like that engine ONLY use ONE CORE CPU... I think that analisys game I don´t need TOP speed... for two, four cores for deep engines... and the betters are smalls... The CPU do a lot of noise on FULL load...

the question IS: ( I like buy deep version because in some moments I can use 100 % load of CPU, but don´t always )

is posible that Versions DEEP of rybka "only" use ONE core cpu... I don´t have any deep version to test that... some persons say me that deep versions can run on single CPU, and single CORE, ok that is correct... but if engines see that you hace a "dual core" ( on ONE CPU )... is it use the more powerfull option ? or is posible programer in option use ONLY one theath...

bye. and  I very surprise that rybka have a lot of TIME on TOP positions ... very good job.

bye from spain. oliver
Parent - - By turbojuice1122 (Gold) Date 2007-12-20 18:49
I think that there is an option in the MP version for how many cores you want used: this would be under the parameter settings of the engine.
Parent - By Felix Kling (Gold) Date 2007-12-20 19:14
Indeed. From the FAQ:
"13) Max CPUs: This puts an upper bound on the number of cores used by Rybka. If it is left at the default value, Rybka will start exactly one process for each core in your system.
Users can use this option to keep CPU time available for other, non-Rybka processes."
Parent - By Lukas Cimiotti (Bronze) Date 2007-12-20 19:32
There are 2 ways of restricting Rybka's cpu usage: set "MaxCPUs" to the number of cores you want to use or set "CPU Usage" to anything lower than 100%

Regards,
Lukas
Parent - By karmazen_robert (**) Date 2007-12-25 10:14
thans for all answerds

I will wait of the version 3 rbka with GUI
Up Topic Rybka Support & Discussion / Rybka Discussion / rybka version Deep options

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