MPI_Allreduce Subroutine

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

Arguments

Type IntentOptional Attributes Name
real, intent(in) :: field_in(dim)
real, intent(out) :: field_out(dim)
integer, intent(in) :: dim
integer, intent(in) :: fieldtype
integer, intent(in) :: operation
integer, intent(in) :: comm
integer, intent(out) :: mpierr