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-rw-r--r--icebox/icebox.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/icebox/icebox.py b/icebox/icebox.py
index a6852fc..6445699 100644
--- a/icebox/icebox.py
+++ b/icebox/icebox.py
@@ -16,7 +16,7 @@
#
import iceboxdb
-import re, sys
+import re, sys, functools
class iceconfig:
def __init__(self):
@@ -36,6 +36,7 @@ class iceconfig:
self.ram_data = dict()
self.extra_bits = set()
self.symbols = dict()
+ self.tile_has_net.cache_clear()
def setup_empty_384(self):
self.clear()
@@ -456,6 +457,7 @@ class iceconfig:
return self.tile_has_net(x, y, entry[2]) and self.tile_has_net(x, y, entry[3])
return True
+ @functools.lru_cache(maxsize=2**16)
def tile_has_net(self, x, y, netname):
if netname.startswith("logic_op_"):
if netname.startswith("logic_op_bot_"):