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/

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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