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prjxray
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simpleroute: better stack overflow message, dont remember previous route 

Signed-off-by: John McMaster <johndmcmaster@gmail.com>
This commit is contained in:
John McMaster 2018-01-30 14:36:02 -08:00
parent 8148cd0d71
commit 9849e537a5
1 changed files with 7 additions and 3 deletions
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10
tools/simpleroute.py
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@ -68,8 +68,6 @@ print("Processing PIPs..")
node_node_pip = dict()
reverse_node_node = dict()
blocked_nodes = set()
active_pips = set()
for tile_type in ["int_l", "int_r"]:
with open("%s/%s/segbits_%s.db" % (os.getenv("XRAY_DATABASE_DIR"),
@ -90,6 +88,9 @@ for tile_type in ["int_l", "int_r"]:
def route(args):
active_pips = set()
blocked_nodes = set()
for argidx in range((len(args)) // 2):
src_tile, src_wire = args[2 * argidx].split("/")
dst_tile, dst_wire = args[2 * argidx + 1].split("/")
@ -115,7 +116,10 @@ def route(args):
next_nodes.add(nn)
write_scores(next_nodes, count + 1)
write_scores(set([dst_node]), 1)
try:
write_scores(set([dst_node]), 1)
except RecursionError as e:
raise Exception("Could not find route for node %s" % (dst_node,)) from None
print(" route length: %d" % node_scores[src_node])
count = 0