Hi. I had tried this. It still looks for ORTE file(s) on the hard disks of
compute nodes.
Now I know that I can install Open MPI in a shared directory. But is it
possible to make executable files that don't look for any Open MPI's files on
disk?
Arham
From: "r...@open-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 message when using Open MPI 1.6.2
Sure - just configure OMPI with “--enable-static --disable-shared”
On Jun 9, 2017, at 5:50 AM, Arham Amouie via users <users@lists.open-mpi.org>
wrote:
Thank you very much. Could you please answer another somewhat related question?
I'd like to know if ORTE could be linked statically like a library in order to
have a completely stand-alone executable file. As you may have noticed I don't
have a good knowledge of how Open MPI works.
Thanks 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_group'"
error message when using Open MPI 1.6.2
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=<a shared filesystem available on frontend
and compute nodes>
unless you plan to scale on thousands of nodes, you should be just
fine with that.
Cheers,
Gilles
On Thu, Jun 8, 2017 at 6:58 PM, Arham Amouie via users
<users@lists.open-mpi.org> wrote:
> 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
> `MPI_Comm_create_group'".
>
> I'm able to install a newer version (like 2.1.1) of Open MPI only on the
> frontend of this cluster. Using newer version, the code is compiled and
> linked successfully. But in this case I face problem in running the program,
> since the newer version of Open MPI is not installed on the computing nodes.
>
> Is there any way that I can compile and link the code using Open MPI 1.6.2?
>
> Thanks,
> Arham Amouei
>
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