geometry.py 文件源码

def bcast(self, obj=None, root=None):
        """Same with the Broadcast but, it handles for unknown root among 
        the nodes.

        """
        size = self.cart_comm.Get_size()
        if size == 1:
            return obj

        if root is None:
            obj = self.cart_comm.recv(source = MPI.ANY_SOURCE)
        else:
            for dest in xrange(size):
                if dest != root:
                    self.cart_comm.send(obj, dest)

        return obj