gather_field_to_root Subroutine

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

Gather (neq, n_local) slices from every rank into (neq, n_global) on rank 0 via MPI_Gatherv. 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)			::	local_field(:,:)
integer,	intent(in)			::	n_local
type(decomp_t),	intent(in)			::	decomp
real(kind=wp),	intent(inout)			::	gather_buf(:,:)