There is a difference between cores and threads. Think of cores as physical and threads, always 2x cores, as virtual. Some cores are not hyperthreading. Some linux report cores in use, not threads. 2400 x 2 is 48 threads.
Get Outlook for Android<https://aka.ms/ghei36> ________________________________ From: Mailing list for users of COOT Crystallographic Software <[email protected]> on behalf of Clemens Grimm <[email protected]> Sent: Tuesday, June 9, 2020 7:30:17 AM To: [email protected] <[email protected]> Subject: Re: Multithreading in 0.9 Zitat von Paul Emsley <[email protected]>: > > By default, coot will try to use as many cores as you have. I have > not been able to get the refinement past about 60% occupancy however > (I have seen 2400% in a 48 core machine). Indeed, doing a chain refine, I see 1500% ... > With 80 cores, you should be able to move around (i.e. quickly > recontour) multiple large maps with ease. ... and 2500% when spinning a bunch of large maps > >> I wonder if this is a configurable limit? > > It is. The environment variable COOT_N_THREADS can be used to set > the maxium number of threads. COOT_N_THREADS was not set for this test, setting it to 80 does not change anything. Clemens > > Paul. > > ######################################################################## > > To unsubscribe from the COOT list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=COOT&A=1 > > This message was issued to members of > www.jiscmail.ac.uk/COOT<http://www.jiscmail.ac.uk/COOT>, a > mailing list hosted by www.jiscmail.ac.uk<http://www.jiscmail.ac.uk>, terms & > conditions are > available at https://www.jiscmail.ac.uk/policyandsecurity/ -------------------------------------------------- Dr. Clemens Grimm Institut für Biochemie Biozentrum der Universität Würzburg Am Hubland D-97074 Würzburg Germany e-mail: [email protected] phone : +49 0931 31 84031 ------------------------------------------------- ######################################################################## To unsubscribe from the COOT list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=COOT&A=1 This message was issued to members of www.jiscmail.ac.uk/COOT<http://www.jiscmail.ac.uk/COOT>, a mailing list hosted by www.jiscmail.ac.uk<http://www.jiscmail.ac.uk>, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/ ######################################################################## To unsubscribe from the COOT list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=COOT&A=1 This message was issued to members of www.jiscmail.ac.uk/COOT, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/
