def _allocate_key_for_partition(self, partition, vertex, placements,
n_keys_map):
"""
:param AbstractSingleSourcePartition partition:
:param MachineVertex vertex:
:param Placements placements:
:param AbstractMachinePartitionNKeysMap n_keys_map:
:rtype: PartitionRoutingInfo
:raises PacmanRouteInfoAllocationException:
"""
n_keys = n_keys_map.n_keys_for_partition(partition)
if n_keys > MAX_KEYS_SUPPORTED:
raise PacmanRouteInfoAllocationException(
"This routing info allocator can only support up to {} keys "
"for any given edge; cannot therefore allocate keys to {}, "
"which is requesting {} keys".format(MAX_KEYS_SUPPORTED,
partition, n_keys))
placement = placements.get_placement_of_vertex(vertex)
if placement is None:
raise PacmanRouteInfoAllocationException(
"The vertex '{}' has no placement".format(vertex))
keys_and_masks = list([
BaseKeyAndMask(base_key=self._get_key_from_placement(placement),
mask=MASK)
])
return PartitionRoutingInfo(keys_and_masks, partition)
def _update_routing_objects(keys_and_masks, routing_infos, group):
"""
:param iterable(BaseKeyAndMask) keys_and_masks:
:param RoutingInfo routing_infos:
:param ConstraintGroup group:
"""
# Allocate the routing information
partition_info = PartitionRoutingInfo(keys_and_masks, group)
routing_infos.add_partition_info(partition_info)
def _update_routing_objects(keys_and_masks, routing_infos, partition):
"""
:param iterable(BaseKeyAndMask) keys_and_masks:
:param RoutingInfo routing_infos:
:param AbstractSingleSourcePartition partition:
"""
# Allocate the routing information
partition_info = PartitionRoutingInfo(keys_and_masks, partition)
routing_infos.add_partition_info(partition_info)
def _allocate_partition_route(self, edge, placements, graph, n_keys_map):
destination = edge.post_vertex
placement = placements.get_placement_of_vertex(destination)
keys_and_masks = list([
BaseKeyAndMask(base_key=self._get_key_from_placement(placement),
mask=self.MASK)
])
partition = graph.get_outgoing_edge_partition_starting_at_vertex(
edge.pre_vertex)
n_keys = n_keys_map.n_keys_for_partition(partition)
if n_keys > self.MAX_KEYS_SUPPORTED:
raise PacmanConfigurationException(
"Only edges which require less than {} keys are"
" supported".format(self.MAX_KEYS_SUPPORTED))
return PartitionRoutingInfo(keys_and_masks, edge)
def __allocate(self):
multicast_partitions = self.__machine_graph.multicast_partitions
progress = ProgressBar(len(multicast_partitions),
"Allocating routing keys")
routing_infos = RoutingInfo()
app_part_index = 0
for app_id in progress.over(multicast_partitions):
while app_part_index in self.__fixed_used:
app_part_index += 1
for partition_name, paritition_vertices in \
multicast_partitions[app_id].items():
# convert set to a list and sort by slice
machine_vertices = list(paritition_vertices)
machine_vertices.sort(key=lambda x: x.vertex_slice.lo_atom)
n_bits_atoms = self.__atom_bits_per_app_part[(app_id,
partition_name)]
if self.__flexible:
n_bits_machine = self.__n_bits_atoms_and_mac - n_bits_atoms
else:
if n_bits_atoms <= self.__n_bits_atoms:
# Ok it fits use global sizes
n_bits_atoms = self.__n_bits_atoms
n_bits_machine = self.__n_bits_machine
else:
# Nope need more bits! Use the flexible approach here
n_bits_machine = \
self.__n_bits_atoms_and_mac - n_bits_atoms
for machine_index, vertex in enumerate(machine_vertices):
partition = self.__machine_graph.\
get_outgoing_edge_partition_starting_at_vertex(
vertex, partition_name)
if partition in self.__fixed_partitions:
# Ignore zone calculations and just use fixed
keys_and_masks = self.__fixed_partitions[partition]
else:
mask = self.__mask(n_bits_atoms)
key = app_part_index
key = (key << n_bits_machine) | machine_index
key = key << n_bits_atoms
keys_and_masks = [
BaseKeyAndMask(base_key=key, mask=mask)
]
routing_infos.add_partition_info(
PartitionRoutingInfo(keys_and_masks, partition))
app_part_index += 1
return routing_infos
def _construct_routing_info(machine_graph, outgoing_partition_key_spaces):
""" wrap a nengo bit field key space in a NengoBaseKeysAndMasks object.
so that it can get the keys when requested
:param machine_graph: the machine graph
:param outgoing_partition_key_spaces:
:return:
"""
routing_infos = RoutingInfo()
for outgoing_partition in machine_graph.outgoing_edge_partitions:
if outgoing_partition.traffic_type == EdgeTrafficType.MULTICAST:
keys_and_masks = list([NengoBaseKeysAndMasks(
outgoing_partition_key_spaces[outgoing_partition])])
routing_infos.add_partition_info(
PartitionRoutingInfo(keys_and_masks, outgoing_partition))
return routing_infos
def test_router_with_one_hop_route_all_default_link_5(self):
self.placements = Placements()
self.placement1 = Placement(x=0, y=2, p=2, vertex=self.vertex1)
self.placement2 = Placement(x=0, y=0, p=2, vertex=self.vertex2)
self.placements.add_placement(self.placement1)
self.placements.add_placement(self.placement2)
# sort out routing infos
self.routing_info = RoutingInfo()
self.edge_routing_info1 = PartitionRoutingInfo(key=2 << 11,
mask=DEFAULT_MASK,
edge=self.edge)
self.routing_info.add_partition_info(self.edge_routing_info1)
# create machine
self.machine = VirtualMachine(10, 10, False)
self.routing = BasicDijkstraRouting()
self.routing.route(machine=self.machine,
placements=self.placements,
machine_graph=self.graph,
routing_info_allocation=self.routing_info)
def test_routing_info(self):
# mock to avoid having to create a graph for this test
graph_code = 123
pre_vertex = SimpleMachineVertex(resources=ResourceContainer())
partition = MulticastEdgePartition(pre_vertex, "Test")
partition.register_graph_code(graph_code) # This is a hack
post_vertex = SimpleMachineVertex(resources=ResourceContainer())
edge = MachineEdge(pre_vertex, post_vertex)
key = 12345
partition_info = PartitionRoutingInfo([BaseKeyAndMask(key, FULL_MASK)],
partition)
partition.add_edge(edge, graph_code)
routing_info = RoutingInfo([partition_info])
with self.assertRaises(PacmanAlreadyExistsException):
routing_info.add_partition_info(partition_info)
assert routing_info.get_first_key_from_partition(partition) == key
assert routing_info.get_first_key_from_partition(None) is None
assert routing_info.get_routing_info_from_partition(partition) == \
partition_info
assert routing_info.get_routing_info_from_partition(None) is None
assert routing_info.get_routing_info_from_pre_vertex(
pre_vertex, "Test") == partition_info
assert routing_info.get_routing_info_from_pre_vertex(
post_vertex, "Test") is None
assert routing_info.get_routing_info_from_pre_vertex(
pre_vertex, "None") is None
assert routing_info.get_first_key_from_pre_vertex(pre_vertex,
"Test") == key
assert routing_info.get_first_key_from_pre_vertex(post_vertex,
"Test") is None
assert routing_info.get_first_key_from_pre_vertex(pre_vertex,
"None") is None
assert routing_info.get_routing_info_for_edge(edge) == partition_info
assert routing_info.get_routing_info_for_edge(None) is None
assert routing_info.get_first_key_for_edge(edge) == key
assert routing_info.get_first_key_for_edge(None) is None
assert next(iter(routing_info)) == partition_info
partition2 = MulticastEdgePartition(pre_vertex, "Test")
partition2.register_graph_code(graph_code) # This is a hack
partition2.add_edge(MachineEdge(pre_vertex, post_vertex), graph_code)
with self.assertRaises(PacmanAlreadyExistsException):
routing_info.add_partition_info(
PartitionRoutingInfo([BaseKeyAndMask(key, FULL_MASK)],
partition2))
assert partition != partition2
partition3 = MulticastEdgePartition(pre_vertex, "Test2")
partition3.register_graph_code(graph_code) # This is a hack
partition3.add_edge(MachineEdge(pre_vertex, post_vertex), graph_code)
routing_info.add_partition_info(
PartitionRoutingInfo([BaseKeyAndMask(key, FULL_MASK)], partition3))
assert routing_info.get_routing_info_from_partition(partition) != \
routing_info.get_routing_info_from_partition(partition3)
assert partition != partition3
assert routing_info.get_routing_info_from_partition(
partition3).get_keys().tolist() == [key]
partition4 = MulticastEdgePartition(pre_vertex, "Test4")
partition4.register_graph_code(graph_code) # This is a hack
partition4.add_edge(MachineEdge(pre_vertex, post_vertex), graph_code)
routing_info.add_partition_info(
PartitionRoutingInfo([
BaseKeyAndMask(key, FULL_MASK),
BaseKeyAndMask(key * 2, FULL_MASK)
], partition4))
assert routing_info.get_routing_info_from_partition(
partition4).get_keys().tolist() == [key, key * 2]
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])
def _update_routing_objects(keys_and_masks, routing_infos, group):
# Allocate the routing information
partition_info = PartitionRoutingInfo(keys_and_masks, group)
routing_infos.add_partition_info(partition_info)
def test_routing_info(self):
partition = MachineOutgoingEdgePartition("Test")
pre_vertex = SimpleMachineVertex(resources=ResourceContainer())
post_vertex = SimpleMachineVertex(resources=ResourceContainer())
edge = MachineEdge(pre_vertex, post_vertex)
key = 12345
partition_info = PartitionRoutingInfo([BaseKeyAndMask(key, _32_BITS)],
partition)
partition.add_edge(edge)
routing_info = RoutingInfo([partition_info])
with self.assertRaises(PacmanAlreadyExistsException):
routing_info.add_partition_info(partition_info)
assert routing_info.get_first_key_from_partition(partition) == key
assert routing_info.get_first_key_from_partition(None) is None
assert routing_info.get_routing_info_from_partition(partition) == \
partition_info
assert routing_info.get_routing_info_from_partition(None) is None
assert routing_info.get_routing_info_from_pre_vertex(
pre_vertex, "Test") == partition_info
assert routing_info.get_routing_info_from_pre_vertex(
post_vertex, "Test") is None
assert routing_info.get_routing_info_from_pre_vertex(
pre_vertex, "None") is None
assert routing_info.get_first_key_from_pre_vertex(pre_vertex,
"Test") == key
assert routing_info.get_first_key_from_pre_vertex(post_vertex,
"Test") is None
assert routing_info.get_first_key_from_pre_vertex(pre_vertex,
"None") is None
assert routing_info.get_routing_info_for_edge(edge) == partition_info
assert routing_info.get_routing_info_for_edge(None) is None
assert routing_info.get_first_key_for_edge(edge) == key
assert routing_info.get_first_key_for_edge(None) is None
assert next(iter(routing_info)) == partition_info
partition2 = MachineOutgoingEdgePartition("Test")
partition2.add_edge(MachineEdge(pre_vertex, post_vertex))
with self.assertRaises(PacmanAlreadyExistsException):
routing_info.add_partition_info(
PartitionRoutingInfo([BaseKeyAndMask(key, _32_BITS)],
partition2))
assert partition != partition2
partition3 = MachineOutgoingEdgePartition("Test2")
partition3.add_edge(MachineEdge(pre_vertex, post_vertex))
routing_info.add_partition_info(
PartitionRoutingInfo([BaseKeyAndMask(key, _32_BITS)], partition3))
assert routing_info.get_routing_info_from_partition(partition) != \
routing_info.get_routing_info_from_partition(partition3)
assert partition != partition3
assert routing_info.get_routing_info_from_partition(
partition3).get_keys().tolist() == [key]
partition3 = MachineOutgoingEdgePartition("Test3")
partition3.add_edge(MachineEdge(pre_vertex, post_vertex))
routing_info.add_partition_info(
PartitionRoutingInfo([
BaseKeyAndMask(key, _32_BITS),
BaseKeyAndMask(key * 2, _32_BITS)
], partition3))
assert routing_info.get_routing_info_from_partition(
partition3).get_keys().tolist() == [key, key * 2]
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])
