MPI_Allreduce Subroutine

subroutine MPI_Allreduce(field_in, field_out, dim, fieldtype, operation, comm, mpierr)

Arguments

Type	Intent	Optional	Attributes		Name
real				::	field_in(dim)
real				::	field_out(dim)
integer				::	dim
integer				::	fieldtype
integer				::	operation
integer				::	comm
integer				::	mpierr