Checkout the man page “OMPI_Affinity_str” for an MPI extension that might help
> On Sep 13, 2015, at 7:28 AM, Saliya Ekanayake <esal...@gmail.com> wrote: > > Thank you, I'll try this. Also, is there a way to know which core a process > is bound to within the program other than executing something like taskset > <PID> from program? > > On Sun, Sep 13, 2015 at 10:05 AM, Ralph Castain <r...@open-mpi.org > <mailto:r...@open-mpi.org>> wrote: > Actually, the error was correct - it was me that was incorrect. The correct > set of options would be: > > —map-by ppr:12_node —bind-to core —cpu-set=0,2,4,… > > Sorry about the confusion > > >> On Sep 13, 2015, at 2:43 AM, Ralph Castain <r...@open-mpi.org >> <mailto:r...@open-mpi.org>> wrote: >> >> The rankfile will certainly do it, but that error is a bug and I’ll have to >> fix it. >> >> >>> On Sep 13, 2015, at 1:10 AM, Saliya Ekanayake <esal...@gmail.com >>> <mailto:esal...@gmail.com>> wrote: >>> >>> I could get it working by manually generating a rankfile all the ranks and >>> not using any --map-by options. >>> >>> I'll try the --map-by core as well >>> >>> On Sun, Sep 13, 2015 at 3:59 AM, Tobias Kloeffel <tobias.kloef...@fau.de >>> <mailto:tobias.kloef...@fau.de>> wrote: >>> Hi, >>> use: --map-by core >>> >>> regards, >>> Tobias >>> >>> >>> On 09/13/2015 09:41 AM, Saliya Ekanayake wrote: >>>> I tried, >>>> >>>> --map-by ppr:12:node --slot-list 0,2,4,6,8,10,12,14,16,18,20,22 --bind-to >>>> core -np 12 >>>> >>>> but it complains, >>>> >>>> "Conflicting directives for binding policy are causing the policy >>>> to be redefined: >>>> >>>> New policy: socket >>>> Prior policy: CORE >>>> >>>> Please check that only one policy is defined. >>>> " >>>> >>>> On Sun, Sep 13, 2015 at 2:57 AM, Ralph Castain <r...@open-mpi.org >>>> <mailto:r...@open-mpi.org>> wrote: >>>> Try something like this instead: >>>> >>>> —map-by ppr:12:node —bind-to core —slot-list=0,2,4,6,8,… >>>> >>>> You’ll have to play a bit with the core numbers in the slot-list to get >>>> the numbering right as I don’t know how your machine numbers them, and I >>>> can’t guarantee it will work - but it’s worth a shot. If it doesn’t, then >>>> I may have to add an option for such purposes >>>> >>>> Ralph >>>> >>>>> On Sep 12, 2015, at 7:39 PM, Saliya Ekanayake <esal...@gmail.com >>>>> <mailto:esal...@gmail.com>> wrote: >>>>> >>>>> Hi, >>>>> >>>>> We've a machine as in the following picture. I'd like to run 12 MPI procs >>>>> per node each bound to 1 core, but like shown in blue dots in the >>>>> pictures. I can use the following command to run 12 procs per node, but >>>>> PE=1 makes all the 12 processes will run in just 1 socket. PE=2 will make >>>>> a process bind to 2 cores, which is not what I want. >>>>> >>>>> --map-by ppr:12:node:PE=1,SPAN >>>>> >>>>> Thank you, >>>>> Saliya >>>>> >>>>> <image.png> >>>>> >>>>> -- >>>>> Saliya Ekanayake >>>>> Ph.D. Candidate | Research Assistant >>>>> School of Informatics and Computing | Digital Science Center >>>>> Indiana University, Bloomington >>>>> Cell 812-391-4914 <tel:812-391-4914> >>>>> <http://saliya.org/>http://saliya.org >>>>> <http://saliya.org/>_______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> <http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>>> Link to this post: >>>>> http://www.open-mpi.org/community/lists/users/2015/09/27558.php >>>>> <http://www.open-mpi.org/community/lists/users/2015/09/27558.php> >>>> >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> <http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>> Link to this post: >>>> http://www.open-mpi.org/community/lists/users/2015/09/27559.php >>>> <http://www.open-mpi.org/community/lists/users/2015/09/27559.php> >>>> >>>> >>>> >>>> -- >>>> Saliya Ekanayake >>>> Ph.D. Candidate | Research Assistant >>>> School of Informatics and Computing | Digital Science Center >>>> Indiana University, Bloomington >>>> Cell 812-391-4914 <tel:812-391-4914> >>>> http://saliya.org <http://saliya.org/> >>>> >>>> _______________________________________________ >>>> users mailing list >>>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>>> <http://www.open-mpi.org/mailman/listinfo.cgi/users> >>>> Link to this post: >>>> http://www.open-mpi.org/community/lists/users/2015/09/27560.php >>>> <http://www.open-mpi.org/community/lists/users/2015/09/27560.php> >>> -- >>> M.Sc. Tobias Klöffel >>> ======================================================= >>> Interdisciplinary Center for Molecular Materials (ICMM) >>> and Computer-Chemistry-Center (CCC) >>> Department Chemie und Pharmazie >>> Friedrich-Alexander-Universität Erlangen-Nürnberg >>> Nägelsbachstr. 25 >>> D-91052 Erlangen, Germany >>> >>> Room: 2.307 >>> Phone: +49 (0) 9131 / 85 - 20421 >>> <tel:%2B49%20%280%29%209131%20%2F%2085%20-%2020421> >>> Fax: +49 (0) 9131 / 85 - 26565 >>> <tel:%2B49%20%280%29%209131%20%2F%2085%20-%2026565> >>> >>> ======================================================= >>> >>> >>> E-mail: tobias.kloef...@fau.de <mailto:tobias.kloef...@fau.de> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>> <http://www.open-mpi.org/mailman/listinfo.cgi/users> >>> Link to this post: >>> http://www.open-mpi.org/community/lists/users/2015/09/27561.php >>> <http://www.open-mpi.org/community/lists/users/2015/09/27561.php> >>> >>> >>> >>> -- >>> Saliya Ekanayake >>> Ph.D. Candidate | Research Assistant >>> School of Informatics and Computing | Digital Science Center >>> Indiana University, Bloomington >>> Cell 812-391-4914 <tel:812-391-4914> >>> http://saliya.org >>> <http://saliya.org/>_______________________________________________ >>> users mailing list >>> us...@open-mpi.org <mailto:us...@open-mpi.org> >>> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >>> <http://www.open-mpi.org/mailman/listinfo.cgi/users> >>> Link to this post: >>> http://www.open-mpi.org/community/lists/users/2015/09/27562.php >>> <http://www.open-mpi.org/community/lists/users/2015/09/27562.php> > > > _______________________________________________ > users mailing list > us...@open-mpi.org <mailto:us...@open-mpi.org> > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > <http://www.open-mpi.org/mailman/listinfo.cgi/users> > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/09/27564.php > <http://www.open-mpi.org/community/lists/users/2015/09/27564.php> > > > > -- > Saliya Ekanayake > Ph.D. Candidate | Research Assistant > School of Informatics and Computing | Digital Science Center > Indiana University, Bloomington > Cell 812-391-4914 > http://saliya.org > <http://saliya.org/>_______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/09/27565.php
