$ $MPIEXEC  -n 6 -m 1  -H linuxbmc0191,linuxbmc0037,linuxbmc0105,linuxbmc0219,linuxbmc0221,linuxbmc0246  a.out  2080000000 2080000001
 MPI_Reduce in einem!
Elapsed time: 281.862924
$ $MPIEXEC  -n 6 -m 1  -H linuxbmc0191,linuxbmc0037,linuxbmc0105,linuxbmc0219,linuxbmc0221,linuxbmc0246  a.out  2080000000 208000000
Elapsed time: 137.281245
$ $MPIEXEC  -n 6 -m 1  -H linuxbmc0191,linuxbmc0037,linuxbmc0105,linuxbmc0219,linuxbmc0221,linuxbmc0246  a.out  2080000000 20800000
Elapsed time: 124.584747
$ $MPIEXEC  -n 6 -m 1  -H linuxbmc0191,linuxbmc0037,linuxbmc0105,linuxbmc0219,linuxbmc0221,linuxbmc0246  a.out  2080000000 2080000
Elapsed time: 124.167813