Difference between revisions of "HOWTO use AmpTools on the JLab farm with MPI"
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(Created page with "=== Load MPI module === On the ifarm you can load the MPI module with > module load mpi/openmpi-4.0.1 providing the binaries below to compile (mpicxx) and run (mpirun) MPI...") |
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On the ifarm you can load the MPI module with | On the ifarm you can load the MPI module with | ||
| − | > module load mpi/openmpi-4.0.1 | + | > module load mpi/openmpi-4.0.1 |
providing the binaries below to compile (mpicxx) and run (mpirun) MPI commands | providing the binaries below to compile (mpicxx) and run (mpirun) MPI commands | ||
| − | > which mpicxx | + | > which mpicxx |
| − | > which mpirun | + | > which mpirun |
=== AmpTools Compilation MPI === | === AmpTools Compilation MPI === | ||
Revision as of 15:14, 12 January 2022
Contents
Load MPI module
On the ifarm you can load the MPI module with
> module load mpi/openmpi-4.0.1
providing the binaries below to compile (mpicxx) and run (mpirun) MPI commands
> which mpicxx > which mpirun
AmpTools Compilation MPI
This example was done in csh on ifarm1901
1) Download latest AmpTools release
git clone git@github.com:mashephe/AmpTools.git
2) Set AMPTOOLS directory
setenv AMPTOOLS_HOME $PWD/AmpTools/ setenv AMPTOOLS $AMPTOOLS_HOME/AmpTools/
3) Put root-config in your path (assumes ROOTSYS set by some other setup script)
setenv PATH $ROOTSYS/bin:$PATH
4) Build main AmpTools library with MPI support (temporary branch to support openmpi version 4 on ifarm)
cd $AMPTOOLS/AmpTools git checkout jrs_fixamp make MPI=1
5) Build fitMPI executable with MPI support (currently on branch)
cd $HALLD_SIM_HOME/src/programs/AmplitudeAnalysis/fitMPI/ scons -u install
Performing Fits Interactively
The fitMPI executable is run with mpirun
> mpirun N fitMPI -c YOURCONFIG.cfg
where N is the number of parallel processes to use in the fit and YOURCONFIG.cfg is your usual config file. Note: additional command line parameters can be used as well, as needed.
