added benchmark for test vectorization in geometry package
added benchmark for test vectorization in geometry package

madlib/eigen_backup,rotorliu/eigen,rotorliu/eigen,rotorliu/eigen,rotorliu/eigen,mjbshaw/Eigen,mjbshaw/Eigen,madlib/eigen_backup,mjbshaw/Eigen,mjbshaw/Eigen,madlib/eigen_backup,madlib/eigen_backup