en-mpi.org" <r...@open-mpi.org>
> To: Arham Amouie <erham...@yahoo.com>; Open MPI Users
> <users@lists.open-mpi.org>
> Sent: Friday, June 9, 2017 5:40 PM
> Subject: Re: [OMPI users] "undefined reference to `MPI_Comm_create_group'"
> error messag
g" <r...@open-mpi.org>
To: Arham Amouie <erham...@yahoo.com>; Open MPI Users
<users@lists.open-mpi.org>
Sent: Friday, June 9, 2017 5:40 PM
Subject: Re: [OMPI users] "undefined reference to `MPI_Comm_create_group'"
error message when using Open MPI 1.6.2
Sur
.@gmail.com>
> To: Arham Amouie <erham...@yahoo.com>; Open MPI Users
> <users@lists.open-mpi.org>
> Sent: Thursday, June 8, 2017 2:41 PM
> Subject: Re: [OMPI users] "undefined reference to `MPI_Comm_create_group'"
> error message when using Open MPI 1.6.2
in advance,
Arham
From: Gilles Gouaillardet <gilles.gouaillar...@gmail.com>
To: Arham Amouie <erham...@yahoo.com>; Open MPI Users
<users@lists.open-mpi.org>
Sent: Thursday, June 8, 2017 2:41 PM
Subject: Re: [OMPI users] "undefined reference to `MPI_Comm_create_grou
"I can't upgrade Open MPI on the computing nodes of this system" is false.
Open-MPI can be installed entirely in userspace in your home directory.
If you read the MPI_Comm_create_group paper, there should be instructions
on how to implement this using MPI-2 features. Jim Dinan wrote a working
MPI_Comm_create_groups is an MPI-3.0+ function. 1.6.x is MPI-2.1. You can use
the macros MPI_VERSION and MPI_SUBVERSION to check the MPI version.
You will have to modify your code if you want it to work with older versions of
Open MPI.
-Nathan
On Jun 08, 2017, at 03:59 AM, Arham Amouie via
MPI_Comm_create_group was not available in Open MPI v1.6.
so unless you are willing to create your own subroutine in your
application, you'd rather upgrade to Open MPI v2
i recomment you configure Open MPI with
--disable-dlopen --prefix=
unless you plan to scale on thousands of nodes, you should
Hello. Open MPI 1.6.2 is installed on the cluster I'm using. At the moment I
can't upgrade Open MPI on the computing nodes of this system. My C code
contains many calls to MPI functions. When I try to 'make' this code on the
cluster, the only error that I get is "undefined reference to
