RefPort's sometimes handled a time step late

src/lava/magma/core/model/py/ports.py

@@ -513,6 +513,14 @@ def write(
         """
         pass
 
+    # TODO: (PP) This should be optimized by a proper CSPSendPort wait
+    def wait(self):
+        """Method which block execution until (all) previous write requests have
+         been placed at the receiver. Currently, achieved by a simple read(),
+         which ensures the writes have been finished. """
+
+        self.read()
+
 
 class PyRefPortVectorDense(PyRefPort):
     """Python implementation of RefPort for dense vector data."""

src/lava/proc/io/reset.py

@@ -59,6 +59,7 @@ def post_guard(self) -> None:
 
     def run_post_mgmt(self) -> None:
         self.state.write(0 * self.state.read() + self.reset_value)
+        self.state.wait()
 
 
 @implements(proc=Reset, protocol=LoihiProtocol)