def test_trivial_spec(self):
        temp_spec = mktemp()
        spec = DataSpecificationGenerator(io.FileIO(temp_spec, "w"))
        spec.end_specification()

        executor = DataSpecificationExecutor(io.FileIO(temp_spec, "r"), 400)
        executor.execute()
        for r in range(constants.MAX_MEM_REGIONS):
            self.assertIsNone(executor.get_region(r))
    def test_overwrite(self):
        # Create a sdram just to set max chip size
        SDRAM(1000)
        temp_spec = mktemp()
        spec = DataSpecificationGenerator(io.FileIO(temp_spec, "w"))
        spec.reserve_memory_region(0, 4)
        spec.switch_write_focus(0)
        spec.write_value(1)
        spec.write_value(2)
        spec.end_specification()

        executor = DataSpecificationExecutor(io.FileIO(temp_spec, "r"), 400)
        self.assertRaises(NoMoreException, executor.execute)
def test_range_list_as_list():
    MockSimulator.setup()

    spec_writer = FileDataWriter("test.dat")
    spec = DataSpecificationGenerator(spec_writer, None)
    try:
        value = SpynnakerRangedList(size=10, value=_generator(10), key="test")
        param = NeuronParameter(value, DataType.S1615)
        iterator = param.iterator_by_slice(0, 5, spec)
        values = _iterate_parameter_values(iterator, DataType.S1615)
        assert list(value[0:5]) == values
        assert isinstance(iterator, _Range_Iterator)
    finally:
        spec.end_specification()
        os.remove("test.dat")
示例#4
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def test_single_value():
    MockSimulator.setup()

    spec_writer = FileDataWriter("test.dat")
    spec = DataSpecificationGenerator(spec_writer, None)
    try:
        value = 1.0
        param = NeuronParameter(value, DataType.S1615)
        iterator = param.iterator_by_slice(0, 5, spec)
        values = _iterate_parameter_values(iterator, DataType.S1615)
        assert [value] * 5 == values
        assert isinstance(iterator, _SingleValue_Iterator)
    finally:
        spec.end_specification()
        os.remove("test.dat")
示例#5
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def test_real_list():
    MockSimulator.setup()

    spec_writer = FileDataWriter("test.dat")
    spec = DataSpecificationGenerator(spec_writer, None)
    try:
        value = range(10)
        param = NeuronParameter(value, DataType.S1615)
        iterator = param.iterator_by_slice(0, 5, spec)
        values = _iterate_parameter_values(iterator, DataType.S1615)
        assert list(value[0:5]) == values
        assert isinstance(iterator, _Get_Iterator)
    finally:
        spec.end_specification()
        os.remove("test.dat")
def test_real_list():
    MockSimulator.setup()

    spec_writer = FileDataWriter("test.dat")
    spec = DataSpecificationGenerator(spec_writer, None)
    try:
        value = range(10)
        param = NeuronParameter(value, DataType.S1615)
        iterator = param.iterator_by_slice(0, 5, spec)
        values = _iterate_parameter_values(iterator, DataType.S1615)
        assert list(value[0:5]) == values
        assert isinstance(iterator, _Get_Iterator)
    finally:
        spec.end_specification()
        os.remove("test.dat")
示例#7
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def test_range_list_as_list():
    MockSimulator.setup()

    spec_writer = FileDataWriter("test.dat")
    spec = DataSpecificationGenerator(spec_writer, None)
    try:
        value = SpynnakerRangedList(size=10, value=_generator(10), key="test")
        param = NeuronParameter(value, DataType.S1615)
        iterator = param.iterator_by_slice(0, 5, spec)
        values = _iterate_parameter_values(iterator, DataType.S1615)
        assert list(value[0:5]) == values
        assert isinstance(iterator, _Range_Iterator)
    finally:
        spec.end_specification()
        os.remove("test.dat")
def test_single_value():
    MockSimulator.setup()

    spec_writer = FileDataWriter("test.dat")
    spec = DataSpecificationGenerator(spec_writer, None)
    try:
        value = 1.0
        param = NeuronParameter(value, DataType.S1615)
        iterator = param.iterator_by_slice(0, 5, spec)
        values = _iterate_parameter_values(iterator, DataType.S1615)
        assert [value] * 5 == values
        assert isinstance(iterator, _SingleValue_Iterator)
    finally:
        spec.end_specification()
        os.remove("test.dat")
示例#9
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def run_spec_check(method):
    if platform.system() == "Windows":
        spec_writer = io.FileIO("test.dat", "wb")
        spec = DataSpecificationGenerator(spec_writer, None)
        try:
            method(spec)
        finally:
            spec.end_specification()
            os.remove("test.dat")
    else:
        with tempfile.NamedTemporaryFile() as temp:
            spec = DataSpecificationGenerator(io.FileIO(temp.name, "wb"), None)
            try:
                method(spec)
            finally:
                spec.end_specification()
    def test_complex_spec(self):
        # Create a sdram just to set max chip size
        SDRAM(1000)
        temp_spec = mktemp()
        spec = DataSpecificationGenerator(io.FileIO(temp_spec, "w"))
        spec.reserve_memory_region(0, 44)
        spec.switch_write_focus(0)
        spec.set_register_value(3, 0x31323341)
        spec.write_value_from_register(3)
        spec.set_register_value(3, 0x31323342)
        spec.write_value_from_register(3)
        spec.set_register_value(3, 0x31323344)
        spec.write_value_from_register(3)
        spec.set_register_value(3, 0x31323347)
        spec.write_value_from_register(3)
        spec.set_register_value(3, 0x3132334B)
        spec.write_value_from_register(3)
        spec.set_register_value(2, 24)
        spec.set_write_pointer(2, address_is_register=True)
        spec.write_array([0x61, 0x62, 0x63, 0x64], data_type=DataType.UINT8)
        spec.set_register_value(5, 4)
        spec.write_repeated_value(0x70,
                                  5,
                                  repeats_is_register=True,
                                  data_type=DataType.UINT8)
        spec.write_value(0x7d, data_type=DataType.INT64)
        spec.end_specification()

        executor = DataSpecificationExecutor(io.FileIO(temp_spec, "r"), 400)
        executor.execute()
        r = executor.get_region(0)
        self.assertEqual(r.allocated_size, 44)
        self.assertEqual(r.max_write_pointer, 40)
        self.assertFalse(r.unfilled)
        self.assertEqual(
            r.region_data,
            bytearray("A321"
                      "B321"
                      "D321"
                      "G321"
                      "K321"
                      "\0\0\0\0"
                      "abcd"
                      "pppp"
                      "}\0\0\0"
                      "\0\0\0\0"
                      "\0\0\0\0".encode("ISO 8859-1")))
示例#11
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def run_spec_check(method):
    MockSimulator.setup()
    if platform.system() == "Windows":
        spec_writer = FileDataWriter("test.dat")
        spec = DataSpecificationGenerator(spec_writer, None)
        try:
            method(spec)
        finally:
            spec.end_specification()
            os.remove("test.dat")
    else:
        with tempfile.NamedTemporaryFile() as temp:
            spec = DataSpecificationGenerator(FileDataWriter(temp.name), None)
            try:
                method(spec)
            finally:
                spec.end_specification()
示例#12
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def test_write_data_spec():
    unittest_setup()
    # UGLY but the mock transceiver NEED generate_on_machine to be False
    AbstractGenerateConnectorOnMachine.generate_on_machine = say_false
    machine = virtual_machine(2, 2)

    p.setup(1.0)
    load_config()
    p.set_number_of_neurons_per_core(p.IF_curr_exp, 100)
    pre_pop = p.Population(
        10, p.IF_curr_exp(), label="Pre",
        additional_parameters={
            "splitter": SplitterAbstractPopulationVertexSlice()})
    post_pop = p.Population(
        10, p.IF_curr_exp(), label="Post",
        additional_parameters={
            "splitter": SplitterAbstractPopulationVertexSlice()})
    proj_one_to_one_1 = p.Projection(
        pre_pop, post_pop, p.OneToOneConnector(),
        p.StaticSynapse(weight=1.5, delay=1.0))
    proj_one_to_one_2 = p.Projection(
        pre_pop, post_pop, p.OneToOneConnector(),
        p.StaticSynapse(weight=2.5, delay=2.0))
    proj_all_to_all = p.Projection(
        pre_pop, post_pop, p.AllToAllConnector(allow_self_connections=False),
        p.StaticSynapse(weight=4.5, delay=4.0))

    # spynnaker8.setup(timestep=1)
    # # Add an sdram so max SDRAM is high enough
    # SDRAM(10000)
    #
    # set_config("Simulation", "one_to_one_connection_dtcm_max_bytes", 40)
    #
    # placements = Placements()
    # pre_app_population = MockPopulation(10, "mock pop pre")
    # pre_app_vertex = SimpleTestVertex(10, label="pre")
    # pre_app_vertex.splitter = MockSplitter()
    # pre_app_vertex.splitter._called = True
    # pre_vertex_slice = Slice(0, 9)
    #
    # post_app_population = MockPopulation(10, "mock pop post")
    # pre_vertex = pre_app_vertex.create_machine_vertex(
    #     pre_vertex_slice, None)
    # placements.add_placement(Placement(pre_vertex, 0, 0, 1))
    # post_app_vertex = SimpleTestVertex(10, label="post")
    # post_app_vertex.splitter = MockSplitter()
    # post_app_vertex.splitter._called = True
    # post_vertex_slice = Slice(0, 9)
    # post_vertex = post_app_vertex.create_machine_vertex(
    #     post_vertex_slice, None)
    # post_vertex_placement = Placement(post_vertex, 0, 0, 2)
    # placements.add_placement(post_vertex_placement)
    # delay_app_vertex = DelayExtensionVertex(
    #     10, 16, 51, pre_app_vertex, label="delay")
    # delay_app_vertex.set_new_n_delay_stages_and_delay_per_stage(
    #     16, 51)
    # delay_app_vertex.splitter = SplitterDelayVertexSlice(
    #     pre_app_vertex.splitter)
    # delay_vertex = DelayExtensionMachineVertex(
    #     resources_required=None, label="", constraints=[],
    #     app_vertex=delay_app_vertex, vertex_slice=post_vertex_slice)
    # placements.add_placement(Placement(delay_vertex, 0, 0, 3))
    # one_to_one_connector_1 = OneToOneConnector(None)
    # direct_synapse_information_1 = SynapseInformation(
    #     one_to_one_connector_1, pre_app_population, post_app_population,
    #     False, False, None, SynapseDynamicsStatic(), 0, True, 1.5, 1.0)
    # one_to_one_connector_1.set_projection_information(
    #     direct_synapse_information_1)
    # one_to_one_connector_2 = OneToOneConnector(None)
    # direct_synapse_information_2 = SynapseInformation(
    #     one_to_one_connector_2, pre_app_population, post_app_population,
    #     False, False, None, SynapseDynamicsStatic(), 1, True, 2.5, 2.0)
    # one_to_one_connector_2.set_projection_information(
    #     direct_synapse_information_2)
    # all_to_all_connector = AllToAllConnector(False)
    # all_to_all_synapse_information = SynapseInformation(
    #     all_to_all_connector, pre_app_population, post_app_population,
    #     False, False, None, SynapseDynamicsStatic(), 0, True, 4.5, 4.0)
    # all_to_all_connector.set_projection_information(
    #     all_to_all_synapse_information)
    from_list_list = [(i, i, i, (i * 5) + 1) for i in range(10)]
    proj_from_list = p.Projection(
        pre_pop, post_pop, p.FromListConnector(from_list_list),
        p.StaticSynapse())

    app_graph = globals_variables.get_simulator().original_application_graph
    context = {
        "ApplicationGraph": app_graph
    }
    with (injection_context(context)):
        delay_adder = DelaySupportAdder()
        delay_adder.__call__(app_graph)
        partitioner = SpynnakerSplitterPartitioner()
        machine_graph, _ = partitioner.__call__(app_graph, machine, 100)
        allocator = ZonedRoutingInfoAllocator()
        n_keys_mapper = EdgeToNKeysMapper()
        n_keys_map = n_keys_mapper.__call__(machine_graph)
        routing_info = allocator.__call__(
            machine_graph, n_keys_map, flexible=False)

    post_vertex = next(iter(post_pop._vertex.machine_vertices))
    post_vertex_slice = post_vertex.vertex_slice
    post_vertex_placement = Placement(post_vertex, 0, 0, 3)

    temp_spec = tempfile.mktemp()
    spec = DataSpecificationGenerator(io.FileIO(temp_spec, "wb"), None)

    synaptic_matrices = SynapticMatrices(
        post_vertex_slice, n_synapse_types=2, all_single_syn_sz=10000,
        synaptic_matrix_region=1, direct_matrix_region=2, poptable_region=3,
        connection_builder_region=4)
    synaptic_matrices.write_synaptic_data(
        spec, post_pop._vertex.incoming_projections, all_syn_block_sz=10000,
        weight_scales=[32, 32], routing_info=routing_info)
    spec.end_specification()

    with io.FileIO(temp_spec, "rb") as spec_reader:
        executor = DataSpecificationExecutor(spec_reader, 20000)
        executor.execute()

    all_data = bytearray()
    all_data.extend(bytearray(executor.get_header()))
    all_data.extend(bytearray(executor.get_pointer_table(0)))
    for r in range(MAX_MEM_REGIONS):
        region = executor.get_region(r)
        if region is not None:
            all_data.extend(region.region_data)
    transceiver = MockTransceiverRawData(all_data)
    report_folder = mkdtemp()
    try:
        connections_1 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_one_to_one_1._projection_edge,
                proj_one_to_one_1._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_1) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 1.5 for conn in connections_1])
        assert all([conn["delay"] == 1.0 for conn in connections_1])

        connections_2 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_one_to_one_2._projection_edge,
                proj_one_to_one_2._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_2) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 2.5 for conn in connections_2])
        assert all([conn["delay"] == 2.0 for conn in connections_2])

        connections_3 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_all_to_all._projection_edge,
                proj_all_to_all._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_3) == 100
        assert all([conn["weight"] == 4.5 for conn in connections_3])
        assert all([conn["delay"] == 4.0 for conn in connections_3])

        connections_4 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_from_list._projection_edge,
                proj_from_list._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_4) == len(from_list_list)
        list_weights = [values[2] for values in from_list_list]
        list_delays = [values[3] for values in from_list_list]
        assert all(list_weights == connections_4["weight"])
        assert all(list_delays == connections_4["delay"])
    finally:
        shutil.rmtree(report_folder, ignore_errors=True)
示例#13
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    def test_write_synaptic_matrix_and_master_population_table(self):
        MockSimulator.setup()

        default_config_paths = os.path.join(
            os.path.dirname(abstract_spinnaker_common.__file__),
            AbstractSpiNNakerCommon.CONFIG_FILE_NAME)

        config = conf_loader.load_config(
            AbstractSpiNNakerCommon.CONFIG_FILE_NAME, default_config_paths)
        config.set("Simulation", "one_to_one_connection_dtcm_max_bytes", 40)

        machine_time_step = 1000.0

        pre_app_vertex = SimpleApplicationVertex(10)
        pre_vertex = SimpleMachineVertex(resources=None)
        pre_vertex_slice = Slice(0, 9)
        post_app_vertex = SimpleApplicationVertex(10)
        post_vertex = SimpleMachineVertex(resources=None)
        post_vertex_slice = Slice(0, 9)
        post_slice_index = 0
        one_to_one_connector_1 = OneToOneConnector(None)
        one_to_one_connector_1.set_projection_information(
            pre_app_vertex, post_app_vertex, None, machine_time_step)
        one_to_one_connector_1.set_weights_and_delays(1.5, 1.0)
        one_to_one_connector_2 = OneToOneConnector(None)
        one_to_one_connector_2.set_projection_information(
            pre_app_vertex, post_app_vertex, None, machine_time_step)
        one_to_one_connector_2.set_weights_and_delays(2.5, 2.0)
        all_to_all_connector = AllToAllConnector(None)
        all_to_all_connector.set_projection_information(
            pre_app_vertex, post_app_vertex, None, machine_time_step)
        all_to_all_connector.set_weights_and_delays(4.5, 4.0)
        direct_synapse_information_1 = SynapseInformation(
            one_to_one_connector_1, SynapseDynamicsStatic(), 0)
        direct_synapse_information_2 = SynapseInformation(
            one_to_one_connector_2, SynapseDynamicsStatic(), 1)
        all_to_all_synapse_information = SynapseInformation(
            all_to_all_connector, SynapseDynamicsStatic(), 0)
        app_edge = ProjectionApplicationEdge(pre_app_vertex, post_app_vertex,
                                             direct_synapse_information_1)
        app_edge.add_synapse_information(direct_synapse_information_2)
        app_edge.add_synapse_information(all_to_all_synapse_information)
        machine_edge = ProjectionMachineEdge(app_edge.synapse_information,
                                             pre_vertex, post_vertex)
        partition_name = "TestPartition"

        graph = MachineGraph("Test")
        graph.add_vertex(pre_vertex)
        graph.add_vertex(post_vertex)
        graph.add_edge(machine_edge, partition_name)

        graph_mapper = GraphMapper()
        graph_mapper.add_vertex_mapping(pre_vertex, pre_vertex_slice,
                                        pre_app_vertex)
        graph_mapper.add_vertex_mapping(post_vertex, post_vertex_slice,
                                        post_app_vertex)
        graph_mapper.add_edge_mapping(machine_edge, app_edge)

        weight_scales = [4096.0, 4096.0]

        key = 0
        routing_info = RoutingInfo()
        routing_info.add_partition_info(
            PartitionRoutingInfo(
                [BaseKeyAndMask(key, 0xFFFFFFF0)],
                graph.get_outgoing_edge_partition_starting_at_vertex(
                    pre_vertex, partition_name)))

        temp_spec = tempfile.mktemp()
        spec_writer = FileDataWriter(temp_spec)
        spec = DataSpecificationGenerator(spec_writer, None)
        master_pop_sz = 1000
        master_pop_region = 0
        all_syn_block_sz = 2000
        synapse_region = 1
        spec.reserve_memory_region(master_pop_region, master_pop_sz)
        spec.reserve_memory_region(synapse_region, all_syn_block_sz)

        synapse_type = MockSynapseType()

        synaptic_manager = SynapticManager(synapse_type=synapse_type,
                                           ring_buffer_sigma=5.0,
                                           spikes_per_second=100.0,
                                           config=config)
        synaptic_manager._write_synaptic_matrix_and_master_population_table(
            spec, [post_vertex_slice], post_slice_index, post_vertex,
            post_vertex_slice, all_syn_block_sz, weight_scales,
            master_pop_region, synapse_region, routing_info, graph_mapper,
            graph, machine_time_step)
        spec.end_specification()
        spec_writer.close()

        spec_reader = FileDataReader(temp_spec)
        executor = DataSpecificationExecutor(spec_reader,
                                             master_pop_sz + all_syn_block_sz)
        executor.execute()

        master_pop_table = executor.get_region(0)
        synaptic_matrix = executor.get_region(1)

        all_data = bytearray()
        all_data.extend(
            master_pop_table.region_data[:master_pop_table.max_write_pointer])
        all_data.extend(
            synaptic_matrix.region_data[:synaptic_matrix.max_write_pointer])
        master_pop_table_address = 0
        synaptic_matrix_address = master_pop_table.max_write_pointer
        direct_synapses_address = struct.unpack_from(
            "<I", synaptic_matrix.region_data)[0]
        direct_synapses_address += synaptic_matrix_address + 8
        indirect_synapses_address = synaptic_matrix_address + 4
        placement = Placement(None, 0, 0, 1)
        transceiver = MockTransceiverRawData(all_data)

        # Get the master population table details
        items = synaptic_manager._poptable_type\
            .extract_synaptic_matrix_data_location(
                key, master_pop_table_address, transceiver,
                placement.x, placement.y)

        # The first entry should be direct, but the rest should be indirect;
        # the second is potentially direct, but has been restricted by the
        # restriction on the size of the direct matrix
        assert len(items) == 3

        # TODO: This has been changed because direct matrices are disabled!
        assert not items[0][2]
        assert not items[1][2]
        assert not items[2][2]

        data_1, row_len_1 = synaptic_manager._retrieve_synaptic_block(
            transceiver=transceiver,
            placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address,
            key=key,
            n_rows=pre_vertex_slice.n_atoms,
            index=0,
            using_extra_monitor_cores=False)
        connections_1 = synaptic_manager._synapse_io.read_synapses(
            direct_synapse_information_1, pre_vertex_slice, post_vertex_slice,
            row_len_1, 0, 2, weight_scales, data_1, None,
            app_edge.n_delay_stages, machine_time_step)

        # The first matrix is a 1-1 matrix, so row length is 1
        assert row_len_1 == 1

        # Check that all the connections have the right weight and delay
        assert len(connections_1) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 1.5 for conn in connections_1])
        assert all([conn["delay"] == 1.0 for conn in connections_1])

        data_2, row_len_2 = synaptic_manager._retrieve_synaptic_block(
            transceiver=transceiver,
            placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address,
            key=key,
            n_rows=pre_vertex_slice.n_atoms,
            index=1,
            using_extra_monitor_cores=False)
        connections_2 = synaptic_manager._synapse_io.read_synapses(
            direct_synapse_information_2, pre_vertex_slice, post_vertex_slice,
            row_len_2, 0, 2, weight_scales, data_2, None,
            app_edge.n_delay_stages, machine_time_step)

        # The second matrix is a 1-1 matrix, so row length is 1
        assert row_len_2 == 1

        # Check that all the connections have the right weight and delay
        assert len(connections_2) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 2.5 for conn in connections_2])
        assert all([conn["delay"] == 2.0 for conn in connections_2])

        data_3, row_len_3 = synaptic_manager._retrieve_synaptic_block(
            transceiver=transceiver,
            placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address,
            key=key,
            n_rows=pre_vertex_slice.n_atoms,
            index=2,
            using_extra_monitor_cores=False)
        connections_3 = synaptic_manager._synapse_io.read_synapses(
            all_to_all_synapse_information, pre_vertex_slice,
            post_vertex_slice, row_len_3, 0, 2, weight_scales, data_3, None,
            app_edge.n_delay_stages, machine_time_step)

        # The third matrix is an all-to-all matrix, so length is n_atoms
        assert row_len_3 == post_vertex_slice.n_atoms

        # Check that all the connections have the right weight and delay
        assert len(connections_3) == \
            post_vertex_slice.n_atoms * pre_vertex_slice.n_atoms
        assert all([conn["weight"] == 4.5 for conn in connections_3])
        assert all([conn["delay"] == 4.0 for conn in connections_3])
示例#14
0
    def test_write_synaptic_matrix_and_master_population_table(self):
        MockSimulator.setup()
        # Add an sdram so max SDRAM is high enough
        SDRAM(10000)

        # UGLY but the mock transceiver NEED generate_on_machine to be False
        AbstractGenerateConnectorOnMachine.generate_on_machine = self.say_false
        default_config_paths = os.path.join(
            os.path.dirname(abstract_spinnaker_common.__file__),
            AbstractSpiNNakerCommon.CONFIG_FILE_NAME)

        config = conf_loader.load_config(
            AbstractSpiNNakerCommon.CONFIG_FILE_NAME, default_config_paths)
        config.set("Simulation", "one_to_one_connection_dtcm_max_bytes", 40)

        machine_time_step = 1000.0

        pre_app_vertex = SimpleApplicationVertex(10)
        pre_vertex_slice = Slice(0, 9)
        pre_vertex = pre_app_vertex.create_machine_vertex(
            pre_vertex_slice, None)
        post_app_vertex = SimpleApplicationVertex(10)
        post_vertex_slice = Slice(0, 9)
        post_vertex = post_app_vertex.create_machine_vertex(
            post_vertex_slice, None)
        post_slice_index = 0

        one_to_one_connector_1 = OneToOneConnector(None)
        direct_synapse_information_1 = SynapseInformation(
            one_to_one_connector_1, pre_app_vertex, post_app_vertex, False,
            False, None, SynapseDynamicsStatic(), 0, 1.5, 1.0)
        one_to_one_connector_1.set_projection_information(
            machine_time_step, direct_synapse_information_1)
        one_to_one_connector_2 = OneToOneConnector(None)
        direct_synapse_information_2 = SynapseInformation(
            one_to_one_connector_2, pre_app_vertex, post_app_vertex, False,
            False, None, SynapseDynamicsStatic(), 1, 2.5, 2.0)
        one_to_one_connector_2.set_projection_information(
            machine_time_step, direct_synapse_information_2)
        all_to_all_connector = AllToAllConnector(None)
        all_to_all_synapse_information = SynapseInformation(
            all_to_all_connector, pre_app_vertex, post_app_vertex, False,
            False, None, SynapseDynamicsStatic(), 0, 4.5, 4.0)
        all_to_all_connector.set_projection_information(
            machine_time_step, all_to_all_synapse_information)

        app_edge = ProjectionApplicationEdge(pre_app_vertex, post_app_vertex,
                                             direct_synapse_information_1)
        app_edge.add_synapse_information(direct_synapse_information_2)
        app_edge.add_synapse_information(all_to_all_synapse_information)
        machine_edge = app_edge.create_machine_edge(pre_vertex,
                                                    post_vertex,
                                                    label=None)
        partition_name = "TestPartition"

        graph = MachineGraph("Test")
        graph.add_vertex(pre_vertex)
        graph.add_vertex(post_vertex)
        graph.add_edge(machine_edge, partition_name)

        weight_scales = [4096.0, 4096.0]

        key = 0
        routing_info = RoutingInfo()
        routing_info.add_partition_info(
            PartitionRoutingInfo(
                [BaseKeyAndMask(key, 0xFFFFFFF0)],
                graph.get_outgoing_edge_partition_starting_at_vertex(
                    pre_vertex, partition_name)))

        temp_spec = tempfile.mktemp()
        spec_writer = FileDataWriter(temp_spec)
        spec = DataSpecificationGenerator(spec_writer, None)
        master_pop_sz = 1000
        all_syn_block_sz = 2000
        master_pop_region = 0
        synapse_region = 1
        direct_region = 2
        spec.reserve_memory_region(master_pop_region, master_pop_sz)
        spec.reserve_memory_region(synapse_region, all_syn_block_sz)

        synaptic_manager = SynapticManager(n_synapse_types=2,
                                           ring_buffer_sigma=5.0,
                                           spikes_per_second=100.0,
                                           config=config)
        # Poke in our testing region IDs
        synaptic_manager._pop_table_region = master_pop_region
        synaptic_manager._synaptic_matrix_region = synapse_region
        synaptic_manager._direct_matrix_region = direct_region

        synaptic_manager._write_synaptic_matrix_and_master_population_table(
            spec, [post_vertex_slice], post_slice_index, post_vertex,
            post_vertex_slice, all_syn_block_sz, weight_scales, routing_info,
            graph, machine_time_step)
        spec.end_specification()
        spec_writer.close()

        spec_reader = FileDataReader(temp_spec)
        executor = DataSpecificationExecutor(spec_reader,
                                             master_pop_sz + all_syn_block_sz)
        executor.execute()

        master_pop_table = executor.get_region(0)
        synaptic_matrix = executor.get_region(1)
        direct_matrix = executor.get_region(2)

        all_data = bytearray()
        all_data.extend(
            master_pop_table.region_data[:master_pop_table.max_write_pointer])
        all_data.extend(
            synaptic_matrix.region_data[:synaptic_matrix.max_write_pointer])
        all_data.extend(
            direct_matrix.region_data[:direct_matrix.max_write_pointer])
        master_pop_table_address = 0
        synaptic_matrix_address = master_pop_table.max_write_pointer
        direct_synapses_address = (synaptic_matrix_address +
                                   synaptic_matrix.max_write_pointer)
        direct_synapses_address += 4
        indirect_synapses_address = synaptic_matrix_address
        placement = Placement(None, 0, 0, 1)
        transceiver = MockTransceiverRawData(all_data)

        # Get the master population table details
        items = synaptic_manager._extract_synaptic_matrix_data_location(
            key, master_pop_table_address, transceiver, placement)

        # The first entry should be direct, but the rest should be indirect;
        # the second is potentially direct, but has been restricted by the
        # restriction on the size of the direct matrix
        assert len(items) == 3
        assert items[0][2]
        assert not items[1][2]
        assert not items[2][2]

        data_1, row_len_1 = synaptic_manager._retrieve_synaptic_block(
            txrx=transceiver,
            placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address,
            key=key,
            n_rows=pre_vertex_slice.n_atoms,
            index=0,
            using_monitors=False)
        connections_1 = synaptic_manager._read_synapses(
            direct_synapse_information_1, pre_vertex_slice, post_vertex_slice,
            row_len_1, 0, weight_scales, data_1, None, machine_time_step)

        # The first matrix is a 1-1 matrix, so row length is 1
        assert row_len_1 == 1

        # Check that all the connections have the right weight and delay
        assert len(connections_1) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 1.5 for conn in connections_1])
        assert all([conn["delay"] == 1.0 for conn in connections_1])

        data_2, row_len_2 = synaptic_manager._retrieve_synaptic_block(
            txrx=transceiver,
            placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address,
            key=key,
            n_rows=pre_vertex_slice.n_atoms,
            index=1,
            using_monitors=False)
        connections_2 = synaptic_manager._read_synapses(
            direct_synapse_information_2, pre_vertex_slice, post_vertex_slice,
            row_len_2, 0, weight_scales, data_2, None, machine_time_step)

        # The second matrix is a 1-1 matrix, so row length is 1
        assert row_len_2 == 1

        # Check that all the connections have the right weight and delay
        assert len(connections_2) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 2.5 for conn in connections_2])
        assert all([conn["delay"] == 2.0 for conn in connections_2])

        data_3, row_len_3 = synaptic_manager._retrieve_synaptic_block(
            txrx=transceiver,
            placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address,
            key=key,
            n_rows=pre_vertex_slice.n_atoms,
            index=2,
            using_monitors=False)
        connections_3 = synaptic_manager._read_synapses(
            all_to_all_synapse_information, pre_vertex_slice,
            post_vertex_slice, row_len_3, 0, weight_scales, data_3, None,
            machine_time_step)

        # The third matrix is an all-to-all matrix, so length is n_atoms
        assert row_len_3 == post_vertex_slice.n_atoms

        # Check that all the connections have the right weight and delay
        assert len(connections_3) == \
            post_vertex_slice.n_atoms * pre_vertex_slice.n_atoms
        assert all([conn["weight"] == 4.5 for conn in connections_3])
        assert all([conn["delay"] == 4.0 for conn in connections_3])
    def test_simple_spec(self):

        # Create a sdram just to set max chip size
        SDRAM(1000)
        # Write a data spec to execute
        temp_spec = mktemp()
        spec_writer = io.FileIO(temp_spec, "w")
        spec = DataSpecificationGenerator(spec_writer)
        spec.reserve_memory_region(0, 100)
        spec.reserve_memory_region(1, 200, empty=True)
        spec.reserve_memory_region(2, 4)
        spec.reserve_memory_region(3, 12, reference=1)
        spec.reference_memory_region(4, 2)
        spec.switch_write_focus(0)
        spec.write_array([0, 1, 2])
        spec.set_write_pointer(20)
        spec.write_value(4)
        spec.switch_write_focus(2)
        spec.write_value(3)
        spec.set_write_pointer(0)
        spec.write_value(10)
        spec.end_specification()

        # Execute the spec
        spec_reader = io.FileIO(temp_spec, "r")
        executor = DataSpecificationExecutor(spec_reader, 400)
        executor.execute()

        # Test the size
        header_and_table_size = (constants.MAX_MEM_REGIONS + 2) * 4
        self.assertEqual(executor.get_constructed_data_size(),
                         header_and_table_size + 100 + 200 + 4 + 12)

        # Test the unused regions
        for region in range(5, constants.MAX_MEM_REGIONS):
            self.assertIsNone(executor.get_region(region))

        # Test region 0
        region_0 = executor.get_region(0)
        self.assertEqual(region_0.allocated_size, 100)
        self.assertEqual(region_0.max_write_pointer, 24)
        self.assertFalse(region_0.unfilled)
        self.assertIsNone(region_0.reference)
        self.assertEqual(region_0.region_data[:region_0.max_write_pointer],
                         struct.pack("<IIIIII", 0, 1, 2, 0, 0, 4))

        # Test region 1
        region_1 = executor.get_region(1)
        self.assertIsInstance(region_1, MemoryRegionReal)
        self.assertEqual(region_1.allocated_size, 200)
        self.assertTrue(region_1.unfilled)
        self.assertIsNone(region_1.reference)

        # Test region 2
        region_2 = executor.get_region(2)
        self.assertIsInstance(region_2, MemoryRegionReal)
        self.assertEqual(region_2.allocated_size, 4)
        self.assertIsNone(region_2.reference)
        self.assertEqual(region_2.region_data, struct.pack("<I", 10))

        # Test region 3
        region_3 = executor.get_region(3)
        self.assertIsInstance(region_3, MemoryRegionReal)
        self.assertEqual(region_3.allocated_size, 12)
        self.assertEqual(region_3.reference, 1)
        self.assertEqual(executor.referenceable_regions, [3])

        # Test region 4
        region_4 = executor.get_region(4)
        self.assertIsInstance(region_4, MemoryRegionReference)
        self.assertEqual(region_4.ref, 2)
        self.assertEqual(executor.references_to_fill, [4])

        # Test the pointer table
        table = executor.get_pointer_table(0)
        self.assertEqual(len(table), constants.MAX_MEM_REGIONS)
        self.assertEqual(table[0], header_and_table_size)
        self.assertEqual(table[1], header_and_table_size + 100)
        self.assertEqual(table[2], header_and_table_size + 300)
        self.assertEqual(table[3], header_and_table_size + 304)
        # 4 is also 0 because it is a reference
        for region in range(4, constants.MAX_MEM_REGIONS):
            self.assertEqual(table[region], 0)

        # Test the header
        header = executor.get_header()
        self.assertEqual(len(header), 2)
        self.assertEqual(header[0], constants.APPDATA_MAGIC_NUM)
        self.assertEqual(header[1], constants.DSE_VERSION)
示例#16
0
def test_write_data_spec():
    unittest_setup()
    # UGLY but the mock transceiver NEED generate_on_machine to be False
    AbstractGenerateConnectorOnMachine.generate_on_machine = say_false
    machine = virtual_machine(2, 2)

    p.setup(1.0)
    load_config()
    p.set_number_of_neurons_per_core(p.IF_curr_exp, 100)
    pre_pop = p.Population(10,
                           p.IF_curr_exp(),
                           label="Pre",
                           additional_parameters={
                               "splitter":
                               SplitterAbstractPopulationVertexSlice()
                           })
    post_pop = p.Population(10,
                            p.IF_curr_exp(),
                            label="Post",
                            additional_parameters={
                                "splitter":
                                SplitterAbstractPopulationVertexSlice()
                            })
    proj_one_to_one_1 = p.Projection(pre_pop, post_pop, p.OneToOneConnector(),
                                     p.StaticSynapse(weight=1.5, delay=1.0))
    proj_one_to_one_2 = p.Projection(pre_pop, post_pop, p.OneToOneConnector(),
                                     p.StaticSynapse(weight=2.5, delay=2.0))
    proj_all_to_all = p.Projection(
        pre_pop, post_pop, p.AllToAllConnector(allow_self_connections=False),
        p.StaticSynapse(weight=4.5, delay=4.0))

    from_list_list = [(i, i, i, (i * 5) + 1) for i in range(10)]
    proj_from_list = p.Projection(pre_pop, post_pop,
                                  p.FromListConnector(from_list_list),
                                  p.StaticSynapse())

    app_graph = globals_variables.get_simulator().original_application_graph
    context = {"ApplicationGraph": app_graph}
    with (injection_context(context)):
        delay_support_adder(app_graph)
        machine_graph, _ = spynnaker_splitter_partitioner(
            app_graph, machine, 100)
        allocator = ZonedRoutingInfoAllocator()
        n_keys_map = edge_to_n_keys_mapper(machine_graph)
        routing_info = allocator.__call__(machine_graph,
                                          n_keys_map,
                                          flexible=False)

    post_vertex = next(iter(post_pop._vertex.machine_vertices))
    post_vertex_slice = post_vertex.vertex_slice
    post_vertex_placement = Placement(post_vertex, 0, 0, 3)

    temp_spec = tempfile.mktemp()
    spec = DataSpecificationGenerator(io.FileIO(temp_spec, "wb"), None)

    synaptic_matrices = SynapticMatrices(post_vertex_slice,
                                         n_synapse_types=2,
                                         all_single_syn_sz=10000,
                                         synaptic_matrix_region=1,
                                         direct_matrix_region=2,
                                         poptable_region=3,
                                         connection_builder_region=4)
    synaptic_matrices.write_synaptic_data(
        spec,
        post_pop._vertex.incoming_projections,
        all_syn_block_sz=10000,
        weight_scales=[32, 32],
        routing_info=routing_info)
    spec.end_specification()

    with io.FileIO(temp_spec, "rb") as spec_reader:
        executor = DataSpecificationExecutor(spec_reader, 20000)
        executor.execute()

    all_data = bytearray()
    all_data.extend(bytearray(executor.get_header()))
    all_data.extend(bytearray(executor.get_pointer_table(0)))
    for r in range(MAX_MEM_REGIONS):
        region = executor.get_region(r)
        if region is not None:
            all_data.extend(region.region_data)
    transceiver = MockTransceiverRawData(all_data)
    report_folder = mkdtemp()
    try:
        connections_1 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_one_to_one_1._projection_edge,
                proj_one_to_one_1._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_1) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 1.5 for conn in connections_1])
        assert all([conn["delay"] == 1.0 for conn in connections_1])

        connections_2 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_one_to_one_2._projection_edge,
                proj_one_to_one_2._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_2) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 2.5 for conn in connections_2])
        assert all([conn["delay"] == 2.0 for conn in connections_2])

        connections_3 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_all_to_all._projection_edge,
                proj_all_to_all._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_3) == 100
        assert all([conn["weight"] == 4.5 for conn in connections_3])
        assert all([conn["delay"] == 4.0 for conn in connections_3])

        connections_4 = numpy.concatenate(
            synaptic_matrices.get_connections_from_machine(
                transceiver, post_vertex_placement,
                proj_from_list._projection_edge,
                proj_from_list._synapse_information))

        # Check that all the connections have the right weight and delay
        assert len(connections_4) == len(from_list_list)
        list_weights = [values[2] for values in from_list_list]
        list_delays = [values[3] for values in from_list_list]
        assert all(list_weights == connections_4["weight"])
        assert all(list_delays == connections_4["delay"])
    finally:
        shutil.rmtree(report_folder, ignore_errors=True)
    def test_write_synaptic_matrix_and_master_population_table(self):
        MockSimulator.setup()
        # Add an sdram so maxsdram is high enough
        SDRAM(10000)

        default_config_paths = os.path.join(
            os.path.dirname(abstract_spinnaker_common.__file__),
            AbstractSpiNNakerCommon.CONFIG_FILE_NAME)

        config = conf_loader.load_config(
            AbstractSpiNNakerCommon.CONFIG_FILE_NAME, default_config_paths)
        config.set("Simulation", "one_to_one_connection_dtcm_max_bytes", 40)

        machine_time_step = 1000.0

        pre_app_vertex = SimpleApplicationVertex(10)
        pre_vertex = SimpleMachineVertex(resources=None)
        pre_vertex_slice = Slice(0, 9)
        post_app_vertex = SimpleApplicationVertex(10)
        post_vertex = SimpleMachineVertex(resources=None)
        post_vertex_slice = Slice(0, 9)
        post_slice_index = 0
        one_to_one_connector_1 = OneToOneConnector(None)
        one_to_one_connector_1.set_projection_information(
            pre_app_vertex, post_app_vertex, None, machine_time_step)
        one_to_one_connector_2 = OneToOneConnector(None)
        one_to_one_connector_2.set_projection_information(
            pre_app_vertex, post_app_vertex, None, machine_time_step)
        all_to_all_connector = AllToAllConnector(None)
        all_to_all_connector.set_projection_information(
            pre_app_vertex, post_app_vertex, None, machine_time_step)
        direct_synapse_information_1 = SynapseInformation(
            one_to_one_connector_1, SynapseDynamicsStatic(), 0, 1.5, 1.0)
        direct_synapse_information_2 = SynapseInformation(
            one_to_one_connector_2, SynapseDynamicsStatic(), 1, 2.5, 2.0)
        all_to_all_synapse_information = SynapseInformation(
            all_to_all_connector, SynapseDynamicsStatic(), 0, 4.5, 4.0)
        app_edge = ProjectionApplicationEdge(
            pre_app_vertex, post_app_vertex, direct_synapse_information_1)
        app_edge.add_synapse_information(direct_synapse_information_2)
        app_edge.add_synapse_information(all_to_all_synapse_information)
        machine_edge = ProjectionMachineEdge(
            app_edge.synapse_information, pre_vertex, post_vertex)
        partition_name = "TestPartition"

        graph = MachineGraph("Test")
        graph.add_vertex(pre_vertex)
        graph.add_vertex(post_vertex)
        graph.add_edge(machine_edge, partition_name)

        graph_mapper = GraphMapper()
        graph_mapper.add_vertex_mapping(
            pre_vertex, pre_vertex_slice, pre_app_vertex)
        graph_mapper.add_vertex_mapping(
            post_vertex, post_vertex_slice, post_app_vertex)
        graph_mapper.add_edge_mapping(machine_edge, app_edge)

        weight_scales = [4096.0, 4096.0]

        key = 0
        routing_info = RoutingInfo()
        routing_info.add_partition_info(PartitionRoutingInfo(
            [BaseKeyAndMask(key, 0xFFFFFFF0)],
            graph.get_outgoing_edge_partition_starting_at_vertex(
                pre_vertex, partition_name)))

        temp_spec = tempfile.mktemp()
        spec_writer = FileDataWriter(temp_spec)
        spec = DataSpecificationGenerator(spec_writer, None)
        master_pop_sz = 1000
        master_pop_region = 0
        all_syn_block_sz = 2000
        synapse_region = 1
        direct_region = 2
        spec.reserve_memory_region(master_pop_region, master_pop_sz)
        spec.reserve_memory_region(synapse_region, all_syn_block_sz)

        synaptic_manager = SynapticManager(
            n_synapse_types=2, ring_buffer_sigma=5.0,
            spikes_per_second=100.0, config=config)
        # UGLY but the mock transceiver NEED generate_on_machine be False
        abstract_generate_connector_on_machine.IS_PYNN_8 = False
        synaptic_manager._write_synaptic_matrix_and_master_population_table(
            spec, [post_vertex_slice], post_slice_index, post_vertex,
            post_vertex_slice, all_syn_block_sz, weight_scales,
            master_pop_region, synapse_region, direct_region, routing_info,
            graph_mapper, graph, machine_time_step)
        spec.end_specification()
        spec_writer.close()

        spec_reader = FileDataReader(temp_spec)
        executor = DataSpecificationExecutor(
            spec_reader, master_pop_sz + all_syn_block_sz)
        executor.execute()

        master_pop_table = executor.get_region(0)
        synaptic_matrix = executor.get_region(1)
        direct_matrix = executor.get_region(2)

        all_data = bytearray()
        all_data.extend(master_pop_table.region_data[
            :master_pop_table.max_write_pointer])
        all_data.extend(synaptic_matrix.region_data[
            :synaptic_matrix.max_write_pointer])
        all_data.extend(direct_matrix.region_data[
            :direct_matrix.max_write_pointer])
        master_pop_table_address = 0
        synaptic_matrix_address = master_pop_table.max_write_pointer
        direct_synapses_address = (
            synaptic_matrix_address + synaptic_matrix.max_write_pointer)
        direct_synapses_address += 4
        indirect_synapses_address = synaptic_matrix_address
        placement = Placement(None, 0, 0, 1)
        transceiver = MockTransceiverRawData(all_data)

        # Get the master population table details
        items = synaptic_manager._poptable_type\
            .extract_synaptic_matrix_data_location(
                key, master_pop_table_address, transceiver,
                placement.x, placement.y)

        # The first entry should be direct, but the rest should be indirect;
        # the second is potentially direct, but has been restricted by the
        # restriction on the size of the direct matrix
        assert len(items) == 3
        assert items[0][2]
        assert not items[1][2]
        assert not items[2][2]

        data_1, row_len_1 = synaptic_manager._retrieve_synaptic_block(
            transceiver=transceiver, placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address, key=key,
            n_rows=pre_vertex_slice.n_atoms, index=0,
            using_extra_monitor_cores=False)
        connections_1 = synaptic_manager._synapse_io.read_synapses(
            direct_synapse_information_1, pre_vertex_slice, post_vertex_slice,
            row_len_1, 0, 2, weight_scales, data_1, None,
            app_edge.n_delay_stages, machine_time_step)

        # The first matrix is a 1-1 matrix, so row length is 1
        assert row_len_1 == 1

        # Check that all the connections have the right weight and delay
        assert len(connections_1) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 1.5 for conn in connections_1])
        assert all([conn["delay"] == 1.0 for conn in connections_1])

        data_2, row_len_2 = synaptic_manager._retrieve_synaptic_block(
            transceiver=transceiver, placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address, key=key,
            n_rows=pre_vertex_slice.n_atoms, index=1,
            using_extra_monitor_cores=False)
        connections_2 = synaptic_manager._synapse_io.read_synapses(
            direct_synapse_information_2, pre_vertex_slice, post_vertex_slice,
            row_len_2, 0, 2, weight_scales, data_2, None,
            app_edge.n_delay_stages, machine_time_step)

        # The second matrix is a 1-1 matrix, so row length is 1
        assert row_len_2 == 1

        # Check that all the connections have the right weight and delay
        assert len(connections_2) == post_vertex_slice.n_atoms
        assert all([conn["weight"] == 2.5 for conn in connections_2])
        assert all([conn["delay"] == 2.0 for conn in connections_2])

        data_3, row_len_3 = synaptic_manager._retrieve_synaptic_block(
            transceiver=transceiver, placement=placement,
            master_pop_table_address=master_pop_table_address,
            indirect_synapses_address=indirect_synapses_address,
            direct_synapses_address=direct_synapses_address, key=key,
            n_rows=pre_vertex_slice.n_atoms, index=2,
            using_extra_monitor_cores=False)
        connections_3 = synaptic_manager._synapse_io.read_synapses(
            all_to_all_synapse_information, pre_vertex_slice,
            post_vertex_slice, row_len_3, 0, 2, weight_scales, data_3, None,
            app_edge.n_delay_stages, machine_time_step)

        # The third matrix is an all-to-all matrix, so length is n_atoms
        assert row_len_3 == post_vertex_slice.n_atoms

        # Check that all the connections have the right weight and delay
        assert len(connections_3) == \
            post_vertex_slice.n_atoms * pre_vertex_slice.n_atoms
        assert all([conn["weight"] == 4.5 for conn in connections_3])
        assert all([conn["delay"] == 4.0 for conn in connections_3])