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| author |  Gael Guennebaud <g.gael@free.fr> | 2016-11-30 17:59:13 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2016-11-30 17:59:13 +0100 |
| commit | c927af60edbf7dd859fc8057151e40b0fe2de661 (patch) | |
| tree | 2be21cf94a2a3ae83242d651d5900ec303f7ced6 /test/product_notemporary.cpp | |
| parent | ab4ef5e66e33dd585bed2207c7c53948e30b2875 (diff) | |
Fix a performance regression in (mat*mat)*vec for which mat*mat was evaluated multiple times.
Diffstat (limited to 'test/product_notemporary.cpp')
| -rw-r--r-- | test/product_notemporary.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/product_notemporary.cpp b/test/product_notemporary.cpp index 2bb19a681..8bf71b4f2 100644 --- a/test/product_notemporary.cpp +++ b/test/product_notemporary.cpp @@ -136,6 +136,10 @@ template<typename MatrixType> void product_notemporary(const MatrixType& m) VERIFY_EVALUATION_COUNT( rm3.noalias() -= (cv1) * (rv1 * m1), 1 ); VERIFY_EVALUATION_COUNT( rm3.noalias() = (m1*cv1) * (rv1 * m1), 2 ); VERIFY_EVALUATION_COUNT( rm3.noalias() += (m1*cv1) * (rv1 * m1), 2 ); + + // Check nested products + VERIFY_EVALUATION_COUNT( cvres.noalias() = m1.adjoint() * m1 * cv1, 1 ); + VERIFY_EVALUATION_COUNT( rvres.noalias() = rv1 * (m1 * m2.adjoint()), 1 ); } void test_product_notemporary() |