Raised the weight to push all contacts on the terminals

lclayout/router.py

@@ -621,7 +621,8 @@ class DefaultRouter():
 def _set_terminal_costs(
     graph: nx.Graph,
     shapes: Dict[str, db.Shape],
-    terminals_by_net: Dict[str, List]
+    terminals_by_net: Dict[str, List],
+    tech
 ):
     """
     Set via weights based on terminal costs.
@@ -643,12 +644,14 @@ def _set_terminal_costs(
                     regions_by_layer[layer],
                     tech
                 )
+                logger.debug("via cost: {} ({},{}) {}".format(via_cost,x,y,via_layer))
 
                 other_node = via_layer, (x, y) # Node on the other side of the via.
 
                 if terminal_node in graph and other_node in graph:
                     # Scale the via cost
-                    graph[terminal_node][other_node]['weight'] *= via_cost + 1
+                    logger.debug("Old cost: {} via_cost: {}".format(graph[terminal_node][other_node]['weight'],via_cost))
+                    graph[terminal_node][other_node]['weight'] += via_cost * 1500000
             
 def _report_track_usage(xs: List[int], ys: List[int], routing_trees: Dict[Any, nx.Graph]):
     """