plumed mpi installation problem

[Nidhi Katyal]

Hello all

I am new to plumed. I would like to install mpi version of plumed. I have installed openmpi in the following directory:

$HOME/opt/openmpi

and in .bashrc file, I  have added it using:

echo "export PATH=\$PATH:\$HOME/opt/openmpi/bin" >> $HOME/.bashrc

echo "export LD_LIBRARY_PATH=\$LD_LIBRARY_PATH:\$HOME/opt/openmpi/lib" >> $HOME/.bashrc

My system has both gcc and icc compiler installed. 

In the plumed directory when I type:

./configure.sh

and choose 3) linux.mpi.gcc

I get following error: core/../../core/tools/../../tools/Communicator.h:25:17: fatal error: mpi.h: No such file or directory compilation terminated.

Please help me rectify the problem.

Thanks in advance.

Nidhi

[Giovanni Bussi]

Hi,

edit the file Makefile.conf and replace

CXX=g++

with

CXX=mpic++

Let us know if this fixes your problem,

Giovanni

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[Nidhi Katyal]

Hi Giovanni,

No, it doesn't fixes the problem. I am getting following error:
mpic++: error while loading shared libraries: libopen-pal.so.4: cannot open shared object file: No such file or directory.
Please help me solve the problem.

Nidhi

[Andrea Spitaleri]

Hi,

what gives you back this:

ldd `which mpic++`

?

and

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[Nidhi Katyal]

I am getting :
ldd: ./which mpic++: No such file or directory

Nidhi

On Tuesday, February 18, 2014 5:48:33 PM UTC+5:30, Nidhi Katyal wrote:

[Giovanni Bussi]

Hi,

did you check first if your mpi compiler works?

I guess the problem is with your environment variables. You should also set

export LIBRARY_PATH="$LIBRARY_PATH:$HOME/opt/openmpi/lib"

Let us know if this fixes compilation.

Giovanni

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[Nidhi Katyal]

Hi,

My mpi compiler was working previously when I have installed in some local directory. But then I have reinstalled openmpi in default directory (without any prefix). Now it is not working although the installation was successful. Also, I am unable to figure out the default directory even though I can see mpirun, mpic++ etc in /usr/local/bin directory.
Please help me figure out the problem.

Thanks in advance.
Nidhi

On Tuesday, February 18, 2014 5:48:33 PM UTC+5:30, Nidhi Katyal wrote:

[Giovanni Bussi]

If it is a problem with mpi installation you could find better help on the mailing list related to the mpi library you installed.

Giovanni

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[Nidhi Katyal]

Direct mpirun command is not working but by specifying its full local path as $HOME/opt/openmpi/bin/mpirun mpirun works.
 Also as suggested by you in previous mail, I have set
export LIBRARY_PATH="$LIBRARY_PATH:$HOME/opt/openmpi/lib"
still I am getting same error:

mpic++: error while loading shared libraries: libopen-pal.so.4: cannot open shared object file:No such file or directory.

Any suggestions from your side (since I believe mpirun is working)?

Nidhi

On Tuesday, February 18, 2014 5:48:33 PM UTC+5:30, Nidhi Katyal wrote:

[Carlo Camilloni]

http://www.open-mpi.org/community/lists/users/2011/08/17074.php

[e.jjo...@gmail.com]

I was having some similar issues and I was able to fix the problem by exporting to LD_LIBRARY_PATH and LIBRARY_PATH. Try this and see if it works.

[Jignesh Prajapati]

Hi,

I think you have installed openmpi with static library and that's why " libopen-pal.so.4" file is missing. Try to install openmpi with shared library.

Command,
./configure   --enable-shared

Set required paths and try again.

Thanks,
Jignesh

[Nidhi Katyal]

Thanks Carlo, e.jjordan and Jignesh. It was the problem of setting of path. Now, it is working.

Thank you all for the help.

Nidhi

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