message: ENH: use stable_sort to preserve order of BVH bins
diff: @@ -374,7 +374,7 @@ void custom_sort( ExecSpace, uint32*& mcodes, int32 size, int32* iter )
  {
  array_counting< ExecSpace >(iter, size, 0, 1);
  - std::sort(iter,
  + std::stable_sort( iter,
  iter + size,
  [=](int32 i1, int32 i2)
  {
  