Add more Rome models (#434)

* Add more Rome models

* Update models and tuning

* Update tuning

tools/topo_expl/utils.cpp

@@ -672,6 +672,8 @@ ncclResult_t initTransportsRank_1(struct ncclComm* comm, struct allGather1Data_t
     allGather3Data[rank].nc = 4;
   if (comm->topo->nodes[GPU].count == comm->topo->nRanks && comm->topo->nodes[GPU].nodes[idx].gpu.gcn == 910)
     allGather3Data[rank].nc = 4;
+  if (comm->topo->nodes[GPU].nodes[idx].gpu.gcn == 910)
+    allGather3Data[rank].nc = std::max(allGather3Data[rank].nc, 4/ringGraph.nChannels);
   allGather3Data[rank].tree.pattern = treeGraph.pattern;
   allGather3Data[rank].tree.nChannels = treeGraph.nChannels;
   allGather3Data[rank].tree.sameChannels = treeGraph.sameChannels;