The OPAL Discussion Forum

["Kim, Seongyeol" <seongyeol.kim AT anl.gov>]

Dear all,

I would like to do the parallel computing of the OPAL simulation using mpirun command.

However, when I activate anaconda by sourcing the bash (.bashrc) and try to run the simulation with "mpirun -np 4 opal input.in,"

I found that it does not use 4 cores for the parallel computing, but same simulation is performed 4 times.

When the anaconda is deactivated, mpirun works well.

I would like to use the python at the same time (for MOGA and AI/ML libraries), and I am wondering how to solve this issue.

Thank you very much!

Below is some lines for sourcing opal and anaconda inside .bashrc file.

====================================================================================

# Sourcing OPAL simulation

source "/home/sykim12/OPAL/OPAL-2021.1/etc/profile.d/opal.sh"

# >>> conda initialize >>>

# !! Contents within this block are managed by 'conda init' !!

__conda_setup="$('/home/sykim12/anaconda3/bin/conda' 'shell.bash' 'hook' 2> /dev/null)"

if [ $? -eq 0 ]; then

    eval "$__conda_setup"

else

    if [ -f "/home/sykim12/anaconda3/etc/profile.d/conda.sh" ]; then

        . "/home/sykim12/anaconda3/etc/profile.d/conda.sh"

    else

        export PATH="/home/sykim12/anaconda3/bin:$PATH"

    fi

fi

unset __conda_setup

 ====================================================================================

Best regards,

Seongyeol