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Programming Environment

Compilers

The Lawrence HPC programming environment has the choice of two compilers: Intel and Gnu 4.8.5 (gcc).

OpenMP

Two options in Lawrence are available for OpenMP: OpenMP Intel and Gnu.
To choose a version of OpenMP, add the version number and "/intel" or "/gcc" to the module command.
# For the OpenMPI module with Gnu:
[[email protected]@login ~]$ module load openmpi-1.6/gcc
############## or ################
#For the OpenMPI module with OpenMP Intel:
[[email protected]@login ~]$ module load openmpi-1.6/intel

MPI

MPI's available with Lawrence: open MPI, mpich (ethernet), and mvapich (infinaband), intel impi
MPI Platform
Module Name
Module Name
Open MPI
openmpi-1.6/gcc
openmpi-1.6/intel
openmpi-1.8/gcc
openmpi-1.8/intel
openmpi-2.0/gcc
openmpi-2.0/intel
mpich
mpich/gcc
mpich/intel
mvapich
mvapich2-2.2/gcc
mvapich2-2.2/intel
[[email protected]@login ~]$ module avail
------------------------------------------- /usr/share/Modules/modulefiles --------------------------------------------
dot module-git module-info modules null use.own
-------------------------------------------------- /act/modulefiles ---------------------------------------------------
cuda-9.1 intel mvapich2-2.2/gcc openmpi-1.6/intel openmpi-2.0/gcc
gaussian/16 mpich/gcc mvapich2-2.2/intel openmpi-1.8/gcc openmpi-2.0/intel
impi mpich/intel openmpi-1.6/gcc openmpi-1.8/intel

To load/unload an MPI module:

############## Load ################
[[email protected]@login ~]$ module load openmpi-2.0/gcc
############# Unload ###############
[[email protected]@login ~]$ module unload openmpi-2.0/gcc

To view the version of MPI in use:

[[email protected]@login ~]$ mpirun --version
[[email protected]@login ~]$ mpirun --version
mpirun (Open MPI) 2.0.1
Report bugs to http://www.open-mpi.org/community/help/