gr2               546 ompi/mca/topo/treematch/treematch/tm_bucket.c   double gr1, gr2, gr3;
gr2               606 ompi/mca/topo/treematch/treematch/tm_bucket.c   gr2=TOC;
gr2               608 ompi/mca/topo/treematch/treematch/tm_bucket.c     printf("Grouping phase 2=%fs\n",gr2);