merged in master

Author: Christian-B

spynnaker/pyNN/data/spynnaker_data_view.py

@@ -50,8 +50,7 @@ class _SpynnakerDataModel(object):
         "_min_delay",
         "_neurons_per_core_set",
         "_populations",
-        "_projections",
-        "_segment_counter")
+        "_projections")
 
     def __new__(cls) -> '_SpynnakerDataModel':
         if cls.__singleton is not None:
@@ -72,7 +71,6 @@ def _clear(self) -> None:
         self._neurons_per_core_set: Set[Type[AbstractPyNNModel]] = set()
         self._populations: Set[Population] = set()
         self._projections: Set[Projection] = set()
-        self._segment_counter = 0
 
     def _hard_reset(self) -> None:
         """
@@ -255,16 +253,6 @@ def set_number_of_neurons_per_dimension_per_core(
         neuron_type.set_model_max_atoms_per_dimension_per_core(max_permitted)
         cls.__spy_data._neurons_per_core_set.add(neuron_type)
 
-    @classmethod
-    def get_segment_counter(cls) -> int:
-        """
-        The number of the current recording segment being generated.
-
-        :return: the segment counter
-        :rtype: int
-        """
-        return cls.__spy_data._segment_counter
-
     @classmethod
     def get_sim_name(cls) -> str:
         """

spynnaker/pyNN/data/spynnaker_data_writer.py

@@ -47,15 +47,11 @@ def _mock(self) -> None:
 
     @overrides(FecDataWriter._hard_reset)
     def _hard_reset(self) -> None:
-        if not self.is_soft_reset():
-            # Only increase it if this is a hard not following a soft
-            self.__spy_data._segment_counter += 1
         FecDataWriter._hard_reset(self)
         self.__spy_data._hard_reset()
 
     @overrides(FecDataWriter._soft_reset)
     def _soft_reset(self) -> None:
-        self.__spy_data._segment_counter += 1
         FecDataWriter._soft_reset(self)
         self.__spy_data._soft_reset()
 

spynnaker/pyNN/models/recorder.py

@@ -236,7 +236,7 @@ def extract_neo_block(
         SpynnakerDataView.check_user_can_act()
 
         block: Optional[neo.Block] = None
-        for previous in range(SpynnakerDataView.get_segment_counter()):
+        for previous in range(SpynnakerDataView.get_reset_number()):
             block = self.__append_previous_segment(
                 block, previous, variables, view_indexes, clear, annotations)
 
@@ -265,7 +265,7 @@ def csv_neo_block(
         pop_label = self.__population.label
 
         wrote_metadata = False
-        for segment in range(SpynnakerDataView.get_segment_counter()):
+        for segment in range(SpynnakerDataView.get_reset_number()):
             with NeoBufferDatabase.segement_db(segment) as db:
                 if not wrote_metadata:
                     wrote_metadata = db.csv_block_metadata(
@@ -279,7 +279,7 @@ def csv_neo_block(
                 logger.warning(
                     "Due to the call directly after reset, "
                     "the data will only contain {} segments",
-                    SpynnakerDataView.get_segment_counter() - 1)
+                    SpynnakerDataView.get_reset_number() - 1)
                 return
             else:
                 raise ConfigurationException(
@@ -316,7 +316,7 @@ def __append_current_segment(
                 logger.warning(
                     "Due to the call directly after reset, "
                     "the data will only contain {} segments",
-                    SpynnakerDataView.get_segment_counter() - 1)
+                    SpynnakerDataView.get_reset_number() - 1)
             else:
                 db.add_segment(
                     block, self.__population.label, variables, view_indexes,

spynnaker/pyNN/spinnaker.py

@@ -181,20 +181,6 @@ def clear(self) -> None:
         # Stop any currently running SpiNNaker application
         self.stop()
 
-    def reset(self) -> None:
-        """
-        Reset the state of the current network to time t = 0.
-        """
-        if not self.__writer.is_ran_last():
-            if not self.__writer.is_ran_ever():
-                logger.error("Ignoring the reset before the run")
-            else:
-                logger.error("Ignoring the repeated reset call")
-            return
-
-        # Call superclass implementation
-        AbstractSpinnakerBase.reset(self)
-
     @property
     def state(self) -> 'SpiNNaker':
         """
@@ -285,7 +271,7 @@ def segment_counter(self) -> int:
         :return: the segment counter
         :rtype: int
         """
-        return self.__writer.get_segment_counter()
+        return self.__writer.get_reset_number()
 
     @segment_counter.setter
     def segment_counter(self, _):

spynnaker/pyNN/utilities/neo_buffer_database.py

@@ -118,7 +118,7 @@ def __init__(self, database_file: Optional[str] = None,
 
         super().__init__(database_file, read_only=read_only)
 
-        segment = SpynnakerDataView.get_segment_counter()
+        segment = SpynnakerDataView.get_reset_number()
         if (segment not in segment_cache or
                 segment_cache[segment] != database_file):
             with open(self.__NEO_DDL_FILE, encoding="utf-8") as f:
@@ -154,7 +154,7 @@ def write_segment_metadata(self) -> None:
                 dt, simulator)
             VALUES (?, ?, ?, ?, ?)
             """, (SpynnakerDataView.get_simulation_time_step_ms(),
-                  SpynnakerDataView.get_segment_counter(),
+                  SpynnakerDataView.get_reset_number(),
                   datetime.now(),
                   SpynnakerDataView.get_simulation_time_step_ms(),
                   SpynnakerDataView.get_sim_name()))

unittests/data/test_simulator_data.py

@@ -139,58 +139,6 @@ def test_populations_and_projections(self):
         with self.assertRaises(TypeError):
             writer.add_projection("bacon")
 
-    def test_segment_counter(self):
-        writer = SpynnakerDataWriter.setup()
-        self.assertEqual(0, SpynnakerDataView.get_segment_counter())
-
-        # Not changed by running
-        writer.start_run()
-        self.assertEqual(0, SpynnakerDataView.get_segment_counter())
-        writer.finish_run()
-        self.assertEqual(0, SpynnakerDataView.get_segment_counter())
-
-        # Not changed by running again
-        writer.start_run()
-        writer.finish_run()
-        self.assertEqual(0, SpynnakerDataView.get_segment_counter())
-
-        # Changed by a soft reset
-        writer.soft_reset()
-        self.assertEqual(1, SpynnakerDataView.get_segment_counter())
-        writer.start_run()
-        writer.finish_run()
-        self.assertEqual(1, SpynnakerDataView.get_segment_counter())
-
-        # Changed by a hard reset
-        writer.hard_reset()
-        self.assertEqual(2, SpynnakerDataView.get_segment_counter())
-        writer.start_run()
-        writer.finish_run()
-
-        # Changed once by a soft than not by the hard reset before run
-        writer.soft_reset()
-        self.assertEqual(3, SpynnakerDataView.get_segment_counter())
-        writer.hard_reset()
-        self.assertEqual(3, SpynnakerDataView.get_segment_counter())
-        writer.start_run()
-        writer.finish_run()
-        self.assertEqual(3, SpynnakerDataView.get_segment_counter())
-
-        # Changed once by a soft than not by the hard reset in run
-        writer.soft_reset()
-        self.assertEqual(4, SpynnakerDataView.get_segment_counter())
-        writer.start_run()
-        writer.hard_reset()
-        self.assertEqual(4, SpynnakerDataView.get_segment_counter())
-        writer.finish_run()
-        self.assertEqual(4, SpynnakerDataView.get_segment_counter())
-
-        # shutting down does not change the value
-        writer.stopping()
-        self.assertEqual(4, SpynnakerDataView.get_segment_counter())
-        writer.shut_down()
-        self.assertEqual(4, SpynnakerDataView.get_segment_counter())
-
     def test_sim_name(self):
         self.assertEqual(SpynnakerDataView.get_sim_name(), sim.name())
         self.assertIn("sPyNNaker", SpynnakerDataView.get_sim_name())