in BTL: a specific bench/action can be selected at runtime, e.g.:

  BTL_CONFIG="-a ata" ctest -V -R eigen
  run the all benchmarks having "ata" in their name for all
  libraries matching the regexp "eigen"

1 files changed, 1 insertions, 1 deletions

diff --git a/bench/btl/libs/eigen2/eigen2_interface.hh b/bench/btl/libs/eigen2/eigen2_interface.hh
index 5d8ad9466..8c4270e8c 100644
--- a/bench/btl/libs/eigen2/eigen2_interface.hh
+++ b/bench/btl/libs/eigen2/eigen2_interface.hh
@@ -108,7 +108,7 @@ public :
   }
 
   static inline void atv_product(gene_matrix & A, gene_vector & B, gene_vector & X, int N){
-    X = (A*B).lazy();
+    X = (A.transpose()*B).lazy();
   }
 
   static inline void axpy(const real coef, const gene_vector & X, gene_vector & Y, int N){