foam-extend using intel mpi

ramrebol · October 20, 2020, 12:55

Hello.

I' trying to install foam-extend 4.0 using these instructions.

When I run 'fe40' appears the following:

Warning in ~foam/foam-extend-4.0/etc/config/settings.sh:
MPI_ROOT not a valid mpt installation directory or ending in a '/'.
Please set MPI_ROOT to the mpt installation directory.
MPI_ROOT currently set to ''

I suppose that is because I have installed the intel compiler. Where and what I must to change to compile foam-extend?

bluebase · October 31, 2020, 19:59

H ranrebol,

I am not an experienced use regarding foam-extend.

However, i believe your executable asks for an environment variable set inside your shell/bash.

In case of bash, you could add the following command to your .bashrc file located in your home directory:

Code:

export MPI_ROOT=/path/to/mpiroot

where path/to/mpiroot should contain the executable mpirun in the subdirectory bin - or as absolute path: /path/to/mpiroot/bin/mpirun
At least according to: https://www.ibm.com/support/pages/me...riable-mpiroot

Then run: source ~/.bashrc or open a new terminal

To replace /path/to/mpiroot with the correct path you must identify which mpi libraries you have available on your system. Maybe contact your sysadmin, if it applies.

Best regards,
Sebastian

ramrebol · November 2, 2020, 15:13

Thanks Sebastian.

It seems that it was only a warning, because until now everything works without problems. But I will do the modification you suggest.

October 20, 2020, 12:55	foam-extend using intel mpi	#1
ramrebol New Member Ra Miro Join Date: Aug 2020 Posts: 21 Rep Power: 6	Hello. I' trying to install foam-extend 4.0 using these instructions. When I run 'fe40' appears the following: Warning in ~foam/foam-extend-4.0/etc/config/settings.sh: MPI_ROOT not a valid mpt installation directory or ending in a '/'. Please set MPI_ROOT to the mpt installation directory. MPI_ROOT currently set to '' I suppose that is because I have installed the intel compiler. Where and what I must to change to compile foam-extend?

October 31, 2020, 19:59		#2
bluebase Senior Member Sebastian Engel Join Date: Jun 2011 Location: Germany Posts: 567 Rep Power: 21	H ranrebol, I am not an experienced use regarding foam-extend. However, i believe your executable asks for an environment variable set inside your shell/bash. In case of bash, you could add the following command to your .bashrc file located in your home directory: Code: export MPI_ROOT=/path/to/mpiroot where path/to/mpiroot should contain the executable mpirun in the subdirectory bin - or as absolute path: /path/to/mpiroot/bin/mpirun At least according to: https://www.ibm.com/support/pages/me...riable-mpiroot Then run: source ~/.bashrc or open a new terminal To replace /path/to/mpiroot with the correct path you must identify which mpi libraries you have available on your system. Maybe contact your sysadmin, if it applies. Best regards, Sebastian

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November 2, 2020, 15:13		#3
ramrebol New Member Ra Miro Join Date: Aug 2020 Posts: 21 Rep Power: 6	Thanks Sebastian. It seems that it was only a warning, because until now everything works without problems. But I will do the modification you suggest.