Fixed Memory leak in Population due to dangling views (anyoptimizatio…

…n#455)
Skylake37 · Jul 9, 2023 · 6e0f97c · 6e0f97c
1 parent 54ad49d
commit 6e0f97c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pymoo/core/population.py b/pymoo/core/population.py
@@ -42,6 +42,11 @@ def set(self, *args, **kwargs):
 
             for i in range(len(self)):
                 val = values[i] if is_iterable else values
+
+                # check for view and make copy to prevent memory leakage (#455)
+                if isinstance(val, np.ndarray) and not val.flags["OWNDATA"]:
+                    val = val.copy()
+
                 self[i].set(key, val)
 
         return self