#define MPIR_Gather_MV2_Direct smpi_coll_tuned_gather_ompi_basic_linear
-#define MPIR_Gather_MV2_two_level_Direct smpi_coll_tuned_gather_ompi_basic_linear
+#define MPIR_Gather_MV2_two_level_Direct smpi_coll_tuned_gather_mvapich2_two_level
#define MPIR_Gather_intra smpi_coll_tuned_gather_mpich