UEMS 15.89.3 using only 1 core

Ryan_Sutton · Post by **Ryan_Sutton** » Thu Nov 10, 2016 11:11 pm

New stock install UEMS on Redhat 7.2 workstation i7 16GB (no hyperthreading). When UEMS is crunching and chewing data for run_wrfm, it runs on a single core at 100%. Should it be using multiple cores or can it be configured to do so?

Thanks,

Ryan

meteosciez · Post by **meteosciez** » Wed Nov 16, 2016 2:04 pm

Hello,
You may have to verify the configuration file /conf/ems_run/run_ncpus.conf in your domain main directory, and update if necessary the lines REAL_NODECPUS and WRFM_NODECPUS with the number of cores to be used.

Ryan_Sutton · Post by **Ryan_Sutton** » Wed Nov 16, 2016 5:27 pm

Meteosciez,

Thanks for the response. Not 24 hours after posting the question, a EMS user student was able to configure the domain variables to use more than a single core. I jumped the gun asking the question.

mrmacchina · Post by **mrmacchina** » Thu Aug 10, 2017 4:19 pm

Hi, I have the same problem with my AMD 8-core. Default values are REAL_NODECPUS = local:1 and WRFM_NODECPUS = local:1, may you say me the values you put in these variables?

Thanks

meteoadriatic · Post by **meteoadriatic** » Thu Aug 10, 2017 4:31 pm

Whatever gives best speed to you. Try and see. Probably =8 will but sometimes lower number than maximum wins.

mrmacchina · Post by **mrmacchina** » Thu Aug 10, 2017 6:35 pm

Thank you for your help, I'll do some tests.

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UEMS 15.89.3 using only 1 core

UEMS 15.89.3 using only 1 core

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Re: UEMS 15.89.3 using only 1 core