Skip to content
Prev 262852 / 398502 Next

Rmpi installation

Another update: I ditched the pre-installed version of openmpi and
installed openmpi from source (./configure --without-openib).

Compiling and running your test programme gives me the following error:

unger at zytosrv01dmi:~/R_projects/OS> ./mtest
[zytosrv01dmi:6094] *** An error occurred in MPI_Send
[zytosrv01dmi:6094] *** on communicator MPI_COMM_WORLD
[zytosrv01dmi:6094] *** MPI_ERR_RANK: invalid rank
[zytosrv01dmi:6094] *** MPI_ERRORS_ARE_FATAL (your MPI job will now abort)


However, Rmpi installs happily and it is also possible to call the package
in R. When it comes to running a job under snowfall

sfInit( parallel=TRUE,type="MPI", cpus=8) the job is split into eight
separate processes which all run on the same CPU. So it seems that the
processes are not distributed across the 8 CPUs available.

Best wishes

Kristian








Am 15.06.11 19:25 schrieb "Hugo Mildenberger" unter
<Hugo.Mildenberger at web.de>:
Helmholtz Zentrum M?nchen
Deutsches Forschungszentrum f?r Gesundheit und Umwelt (GmbH)
Ingolst?dter Landstr. 1
85764 Neuherberg
www.helmholtz-muenchen.de
Aufsichtsratsvorsitzende: MinDir?in B?rbel Brumme-Bothe
Gesch?ftsf?hrer: Prof. Dr. G?nther Wess und Dr. Nikolaus Blum
Registergericht: Amtsgericht M?nchen HRB 6466
USt-IdNr: DE 129521671