asserts to prevent overlapping allocations

CExA-project · Jun 26, 2024 · c56c130 · c56c130
1 parent 406228f
commit c56c130
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/include/ddc/kernels/splines/splines_linear_problem_3x3_blocks.hpp b/include/ddc/kernels/splines/splines_linear_problem_3x3_blocks.hpp
@@ -106,6 +106,9 @@ class SplinesLinearProblem3x3Blocks : public SplinesLinearProblem2x2Blocks<ExecS
     {
         std::size_t const nq = m_top_left_block->size(); // size of the center block
 
+        // prevent Kokkos::deep_copy(b_top_dst, b_top) to be a deep_copy between overlapping allocations
+        assert(nq >= m_top_size);
+
         MultiRHS const b_top = Kokkos::
                 subview(b, std::pair<std::size_t, std::size_t> {0, m_top_size}, Kokkos::ALL);
         MultiRHS const b_center = Kokkos::
@@ -138,6 +141,9 @@ class SplinesLinearProblem3x3Blocks : public SplinesLinearProblem2x2Blocks<ExecS
     {
         std::size_t const nq = m_top_left_block->size(); // size of the center block
 
+        // prevent Kokkos::deep_copy(b_top, b_top_src) to be a deep_copy between overlapping allocations
+        assert(nq >= m_top_size);
+
         MultiRHS const b_center_src
                 = Kokkos::subview(b, std::pair<std::size_t, std::size_t> {0, nq}, Kokkos::ALL);
         MultiRHS const b_top_src = Kokkos::