![]() to create a B-scan with 60 traces and use MPI to farm out each trace: (gprMax)$ python -m gprMax user_models/cylinder_Bscan_2D.in -n 60 -mpi 61. This option is most usefully combined with -n to allow individual models to be farmed out using a MPI task farm, e.g. It can be used with the -mpi command line option, which specifies the total number of MPI tasks, i.e. ![]() Overall this creates what is know as a mixed mode OpenMP/MPI job.īy default the MPI task farm functionality is turned off. Within each independent model OpenMP threading will continue to be used (as described above). Each A-scan can be task-farmed as a independent model. This can be useful in many GPR simulations where a B-scan (composed of multiple A-scans) is required. The Message Passing Interface (MPI) has been utilised to implement a simple task farm that can be used to distribute a series of models as independent tasks.
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