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SCC26: Use nonblocking MPI for halo exchange #2090

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SCC26: Use nonblocking MPI for halo exchange #2090

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6 changes: 6 additions & 0 deletions src/common/m_boundary_common.fpp
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Original file line number Diff line number Diff line change
Expand Up @@ -136,6 +136,8 @@ contains

! BC type codes defined in m_constants.fpp; non-negative values are MPI boundaries
if (bc_edge >= 0) then
! Contract (see s_mpi_sendrecv_variables_buffers): call with bc_loc = -1 first, then with bc_loc = +1 and identical
! arguments, without changing the fields in between; both-sides-paired exchange is done by the -1 call.
call s_mpi_sendrecv_variables_buffers(q_prim_vf, bc_dir, bc_loc, sys_size, pb_in, mv_in, q_T_sf)
return
end if
Expand Down Expand Up @@ -229,6 +231,8 @@ contains
end if

if (bc_edge >= 0) then
! Contract (see s_mpi_sendrecv_variables_buffers): call with bc_loc = -1 first, then with bc_loc = +1 and identical
! arguments, without changing the fields in between; both-sides-paired exchange is done by the -1 call.
call s_mpi_sendrecv_variables_buffers(c_divs, bc_dir, bc_loc, num_dims + 1)
return
end if
Expand Down Expand Up @@ -308,6 +312,8 @@ contains
end if

if (bc_edge >= 0) then
! Contract (see s_mpi_sendrecv_variables_buffers): call with bc_loc = -1 first, then with bc_loc = +1 and identical
! arguments, without changing the fields in between; both-sides-paired exchange is done by the -1 call.
call s_mpi_sendrecv_variables_buffers(jac_sf, bc_dir, bc_loc, 1)
return
end if
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