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Use TeamVectorRange for filling tiles in BruteForce implementation #616

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Jan 21, 2022
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Use TeamVectorRange for filling tiles in BruteForce implementation #616

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30 changes: 13 additions & 17 deletions src/details/ArborX_DetailsBruteForceImpl.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -108,23 +108,19 @@ struct BruteForceImpl
predicates_per_team);
ScratchPrimitiveType scratch_primitives(teamMember.team_scratch(0),
primitives_per_team);
// rank 0 in each team fills the scratch space with the
// predicates / primitives in the tile
if (teamMember.team_rank() == 0)
{
Kokkos::parallel_for(
Kokkos::ThreadVectorRange(teamMember, predicates_in_this_team),
[&](const int q) {
scratch_predicates(q) =
AccessPredicates::get(predicates, predicate_start + q);
});
Kokkos::parallel_for(
Kokkos::ThreadVectorRange(teamMember, primitives_in_this_team),
[&](const int j) {
scratch_primitives(j) =
AccessPrimitives::get(primitives, primitive_start + j);
});
}
// fill the scratch space with the predicates / primitives in the tile
Kokkos::parallel_for(
Kokkos::TeamVectorRange(teamMember, predicates_in_this_team),
[&](const int q) {
scratch_predicates(q) =
AccessPredicates::get(predicates, predicate_start + q);
});
Kokkos::parallel_for(
Kokkos::TeamVectorRange(teamMember, primitives_in_this_team),
[&](const int j) {
scratch_primitives(j) =
AccessPrimitives::get(primitives, primitive_start + j);
});
teamMember.team_barrier();

// start threads for every predicate / primitive combination
Expand Down