Talk given in Narvik, November 2017
$ gcc serial.c -o serial.x
$ time ./serial.x
$ gcc -fopenmp omp.c -o omp.x
$ time OMP_NUM_THREADS=4 ./omp.x
$ mpicc mpi_domain.c -o mpi_domain.x
$ time mpirun -np 4 ./mpi_domain.x
$ mpicc mpi_master_slave.c -o mpi_master_slave.x
$ time mpirun -np 4 ./mpi_master_slave.x