fix severe perf bug: coeff-based matrix products were not considered aligned, typically preventing vectorization.

added unit test.
2026-04-10 11:34:33 +08:00 · 2011-01-02 12:07:39 -05:00
parent 47a9d2ed54
commit fd4e366d7e
2 changed files with 3 additions and 0 deletions
--- a/test/vectorization_logic.cpp
+++ b/test/vectorization_logic.cpp
@@ -186,6 +186,8 @@ template<typename Scalar, bool Enable = internal::packet_traits<Scalar>::Vectori
            Matrix22
            >(DefaultTraversal,CompleteUnrolling)));

+    VERIFY((test_assign(Matrix11(), Matrix11()*Matrix11(), InnerVectorizedTraversal, CompleteUnrolling)));
+
    VERIFY(test_redux(VectorX(10),
      LinearVectorizedTraversal,NoUnrolling));