215 vi array_sum.c
216 mpicc -o array_sum array_sum.c
217 mpirun -np 4 ./array_sum

225 vi factorial.c
226 mpicc -o factorial factorial.c
227 mpirun -np 4 ./factorial

228 vi bank.c
229 mpicc -o bank bank.c
230 mpirun -np 4 ./bank

231 vi merge_sort.c
232 mpicc -o merge merge_sort.c
233 mpirun -np 4 ./merge

234 vi mutex.c
235 mpicc -o mutex mutex.c
236 mpirun -np 4 ./mutex

237 vi prod_consum.c
238 mpicc -o prod_consum prod_consum.c
239 mpirun -np 4 ./

246 vi parallel.c
247 gcc -fopenmp parallel.c -o parallel
248 ./parallel
249 mpicc -fopenmp parallel.c -o parallel
250 mpirun -np 4 ./parallel

Troubleshooting:

mpirun --report-pid --display-allocation -np 1 hostname
mpirun -np 1 --display-map hostname