58 down vote favorite 14 I'm trying to broadcast a message from the root node to all other nodes using MPI_Bcast. However, whenever I run this program it always hangs at the beginning

Filename	Size	Update
my_MPI_Bcast.c	3874	2017-12-18
__MACOSX
__MACOSX\._my_MPI_Bcast.c	381	2017-12-18
MPI_Bcast.c	590	2017-12-18
__MACOSX\._MPI_Bcast.c	381	2017-12-18
Hybrid-omp-mpi.ppt	1014784	2017-12-17
__MACOSX\._Hybrid-omp-mpi.ppt	525	2017-12-17

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