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SC26 SCC: Parallelize the cell loops inside each IB patch's gang #2097

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SC26 SCC: Parallelize the cell loops inside each IB patch's gang #2097

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8 changes: 6 additions & 2 deletions src/simulation/m_ib_patches.fpp
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Original file line number Diff line number Diff line change
Expand Up @@ -217,7 +217,7 @@ contains
do yp = yp_lower, yp_upper
do zp = zp_lower, zp_upper
$:GPU_PARALLEL_LOOP(private='[i, il, ir, j, jl, jr, k, kl, kr, xyz_local, length, radius, patch_id, &
& airfoil_id, model_id, encoded_patch_id, center, eta]', copyin='[xp, yp, zp]')
& airfoil_id, model_id, encoded_patch_id, center, eta]', copyin='[xp, yp, zp]', parallelism='[gang]')
do patch_id = 1, num_ibs
center(1) = patch_ib(patch_id)%x_centroid + real(xp, wp)*(glb_bounds(1)%end - glb_bounds(1)%beg)
center(2) = patch_ib(patch_id)%y_centroid + real(yp, wp)*(glb_bounds(2)%end - glb_bounds(2)%beg)
Expand All @@ -229,6 +229,8 @@ contains
! find the indices to the left and right of the IB in i, j, k
call s_get_bounding_indices(patch_ib(patch_id), center, il, ir, jl, jr, kl, kr)

$:GPU_LOOP(collapse=3, parallelism='[vector]', private='[xyz_local, length, radius, airfoil_id, &
& model_id, eta]')
do k = kl, kr
do j = jl, jr
do i = il, ir
Expand Down Expand Up @@ -301,7 +303,7 @@ contains
do xp = xp_lower, xp_upper
do yp = yp_lower, yp_upper
$:GPU_PARALLEL_LOOP(private='[i, il, ir, j, jl, jr, xyz_local, length, radius, patch_id, airfoil_id, &
& model_id, encoded_patch_id, center, eta]', copyin='[xp, yp]')
& model_id, encoded_patch_id, center, eta]', copyin='[xp, yp]', parallelism='[gang]')
do patch_id = 1, num_ibs
center(1) = patch_ib(patch_id)%x_centroid + real(xp, wp)*(glb_bounds(1)%end - glb_bounds(1)%beg)
center(2) = patch_ib(patch_id)%y_centroid + real(yp, wp)*(glb_bounds(2)%end - glb_bounds(2)%beg)
Expand All @@ -313,6 +315,8 @@ contains
! find the indices to the left and right of the IB in i, j, k
call s_get_bounding_indices(patch_ib(patch_id), center, il, ir, jl, jr, kl, kr)

$:GPU_LOOP(collapse=2, parallelism='[vector]', &
& private='[xyz_local, length, radius, airfoil_id, model_id, eta]')
do j = jl, jr
do i = il, ir
! get coordinate frame centered on IB
Expand Down
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