eliminate reference cycle in IndexVar

opennars · May 11, 2024 · 74b2a3f · 74b2a3f
1 parent 23339c9
commit 74b2a3f
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Showing 3 changed files with 5 additions and 5 deletions.
diff --git a/Tests/utils_for_test.py b/Tests/utils_for_test.py
@@ -18,7 +18,7 @@
 nars = Reasoner(100, 100)
 engine: GeneralEngine = nars.inference
 
-NUM_CYCLES_MULTIPLIER = 10
+NUM_CYCLES_MULTIPLIER = 20
 def process_two_premises(premise1: str, premise2: str, n_cycle: int = 0) -> List[Task]:
     ''''''
     time_before = Global.time

diff --git a/pynars/Narsese/_py/Term.py b/pynars/Narsese/_py/Term.py
@@ -217,8 +217,8 @@ def _build_vars(self):
 
 
     def clone(self):
-        clone = deepcopy(self)
-        return clone
+        # clone = copy(self)
+        return self
 
     def _normalize_variables(self):
         ''''''

diff --git a/pynars/utils/IndexVar.py b/pynars/utils/IndexVar.py
@@ -124,7 +124,7 @@ def __init__(self) -> None:
         self.positions = [] # the positions of each dependent variable
         self.indices = [] # the dependent variable in each position.
 
-        self.predecessor: IndexVar = None
+        # self.predecessor: IndexVar = None
         self.successors: List[IndexVar] = []
 
         self._is_built = False
@@ -165,7 +165,7 @@ def clone(self):
     def connect(self, successor: 'IndexVar', generate_pos=False):
         ''''''
         self.successors.append(successor)
-        successor.predecessor = self
+        # successor.predecessor = self
 
         if not generate_pos: return