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Use appropriate edge src and dst properties based on is_multi_gpu flag #4319

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Merged
merged 3 commits into from
Apr 16, 2024
Merged

Use appropriate edge src and dst properties based on is_multi_gpu flag #4319

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6e54e44
Use appropriate edge src and dst properties based on is_multi_gpu flag
Apr 5, 2024
0d61b5c
Merge branch 'branch-24.06' into update_vertex_coloring_impl
naimnv Apr 5, 2024
833f116
Merge branch 'branch-24.06' into update_vertex_coloring_impl
naimnv Apr 16, 2024
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35 changes: 25 additions & 10 deletions cpp/src/components/vertex_coloring_impl.cuh
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Original file line number Diff line number Diff line change
Expand Up @@ -89,21 +89,32 @@ rmm::device_uvector<vertex_t> vertex_coloring(

if (current_graph_view.compute_number_of_edges(handle) == 0) { break; }

cugraph::edge_src_property_t<graph_view_t, flag_t> src_mis_flags(handle, current_graph_view);
cugraph::edge_dst_property_t<graph_view_t, flag_t> dst_mis_flags(handle, current_graph_view);
cugraph::edge_src_property_t<graph_view_t, flag_t> src_mis_flags(handle);
cugraph::edge_dst_property_t<graph_view_t, flag_t> dst_mis_flags(handle);

cugraph::update_edge_src_property(
handle, current_graph_view, is_vertex_in_mis.begin(), src_mis_flags);
if constexpr (graph_view_t::is_multi_gpu) {
src_mis_flags =
cugraph::edge_src_property_t<graph_view_t, flag_t>(handle, current_graph_view);
dst_mis_flags =
cugraph::edge_dst_property_t<graph_view_t, flag_t>(handle, current_graph_view);

cugraph::update_edge_dst_property(
handle, current_graph_view, is_vertex_in_mis.begin(), dst_mis_flags);
cugraph::update_edge_src_property(
handle, current_graph_view, is_vertex_in_mis.begin(), src_mis_flags);

cugraph::update_edge_dst_property(
handle, current_graph_view, is_vertex_in_mis.begin(), dst_mis_flags);
}

if (color_id % 2 == 0) {
cugraph::transform_e(
handle,
current_graph_view,
src_mis_flags.view(),
dst_mis_flags.view(),
graph_view_t::is_multi_gpu
? src_mis_flags.view()
: detail::edge_major_property_view_t<vertex_t, flag_t const*>(is_vertex_in_mis.begin()),
graph_view_t::is_multi_gpu ? dst_mis_flags.view()
: detail::edge_minor_property_view_t<vertex_t, flag_t const*>(
is_vertex_in_mis.begin(), vertex_t{0}),
cugraph::edge_dummy_property_t{}.view(),
[color_id] __device__(
auto src, auto dst, auto is_src_in_mis, auto is_dst_in_mis, thrust::nullopt_t) {
Expand All @@ -118,8 +129,12 @@ rmm::device_uvector<vertex_t> vertex_coloring(
cugraph::transform_e(
handle,
current_graph_view,
src_mis_flags.view(),
dst_mis_flags.view(),
graph_view_t::is_multi_gpu
? src_mis_flags.view()
: detail::edge_major_property_view_t<vertex_t, flag_t const*>(is_vertex_in_mis.begin()),
graph_view_t::is_multi_gpu ? dst_mis_flags.view()
: detail::edge_minor_property_view_t<vertex_t, flag_t const*>(
is_vertex_in_mis.begin(), vertex_t{0}),
cugraph::edge_dummy_property_t{}.view(),
[color_id] __device__(
auto src, auto dst, auto is_src_in_mis, auto is_dst_in_mis, thrust::nullopt_t) {
Expand Down