fix fatal bug in output routing

hal-lab-u-tokyo · Oct 14, 2021 · d563b7a · d563b7a
1 parent 129503a
commit d563b7a
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/AStarRouter.py b/AStarRouter.py
@@ -169,6 +169,9 @@ def output_routing(CGRA, out_DFG, mapping, routed_graph, preg_conf = None,  dont
             # remove high cost of alu out
             for suc_element in routed_graph.successors(alu):
                 e = alu, suc_element
+                if CGRA.isALU(suc_element) and \
+                    routed_graph.edges[e]["weight"] == PENALTY_CONST:
+                    continue
                 if routed_graph.edges[e]["free"]:
                     routed_graph.edges[e]["weight"] = \
                         CGRA.getLinkWeight((alu, suc_element))