From dbb88550211d59b5e568e96757f452a3d5f109fd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20G=C3=BChring?= <pg@futureware.at>
Date: Fri, 24 Feb 2023 23:25:16 +0100
Subject: [PATCH] Raised the weight to push all contacts on the terminals
---
lclayout/router.py | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/lclayout/router.py b/lclayout/router.py
index c43aa67..b577692 100644
--- a/lclayout/router.py
+++ b/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]):
"""
--
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