Match NBIO only when GPUs and NICs are directly connected to CPU

src/graph/rome_models.h

@@ -254,7 +254,7 @@ static struct rcclRomeModel rome_model_49 = {
   .nicNuma = { 0, 1, 2, 3, },
   .connMatrix = { 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, },
   .pattern = "21212121",
-  .ringBase = "N0 0 1 2 3 4 5 6 7 N3|N3 7 6 5 4 3 2 1 0 N0",
+  .ringBase = "N0 0 1 2 3 4 5 6 7 N3|N3 7 6 5 4 3 2 1 0 N0|N1 2 3 0 1 6 7 4 5 N2|N2 5 4 7 6 1 0 3 2 N1",
 };
 
 static struct rcclRomeModel romeTopoModels[] = {