scatter_field_from_root Subroutine

public subroutine scatter_field_from_root(gather_buf, decomp, local_field, n_local)

Scatter (neq, n_global) on rank 0 into per-rank (neq, n_local) slices via MPI_Scatterv. On non-root ranks gather_buf is not accessed; pass a (neq, 0) sentinel allocation.

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=wp),	intent(in)			::	gather_buf(:,:)
type(decomp_t),	intent(in)			::	decomp
real(kind=wp),	intent(inout)			::	local_field(:,:)
integer,	intent(in)			::	n_local