def test_retrieve_direct_block(self):
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)
key = 0
n_rows = 2
direct_matrix = bytearray(struct.pack("<IIII", 1, 2, 3, 4))
direct_matrix_1_expanded = bytearray(
struct.pack("<IIIIIIII", 0, 1, 0, 1, 0, 1, 0, 2))
direct_matrix_2_expanded = bytearray(
struct.pack("<IIIIIIII", 0, 1, 0, 3, 0, 1, 0, 4))
synaptic_manager = SynapticManager(
n_synapse_types=2,
ring_buffer_sigma=5.0,
spikes_per_second=100.0,
config=config,
population_table_type=MockMasterPopulationTable(
{key: [(1, 0, True), (1, n_rows * 4, True)]}),
synapse_io=MockSynapseIO())
transceiver = MockTransceiverRawData(direct_matrix)
placement = Placement(None, 0, 0, 1)
data_1, row_len_1 = synaptic_manager._retrieve_synaptic_block(
txrx=transceiver,
placement=placement,
master_pop_table_address=0,
indirect_synapses_address=0,
direct_synapses_address=0,
key=key,
n_rows=n_rows,
index=0,
using_monitors=False)
data_2, row_len_2 = synaptic_manager._retrieve_synaptic_block(
txrx=transceiver,
placement=placement,
master_pop_table_address=0,
indirect_synapses_address=0,
direct_synapses_address=0,
key=key,
n_rows=n_rows,
index=1,
using_monitors=False)
# Row lengths should be 1
assert row_len_1 == 1
assert row_len_2 == 1
# Check the data retrieved
assert data_1 == direct_matrix_1_expanded
assert data_2 == direct_matrix_2_expanded
def test_retrieve_direct_block(self):
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)
key = 0
n_rows = 2
direct_matrix = bytearray(struct.pack("<IIII", 1, 2, 3, 4))
direct_matrix_1_expanded = bytearray(
struct.pack("<IIIIIIII", 0, 1, 0, 1, 0, 1, 0, 2))
direct_matrix_2_expanded = bytearray(
struct.pack("<IIIIIIII", 0, 1, 0, 3, 0, 1, 0, 4))
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0, spikes_per_second=100.0,
config=config,
population_table_type=MockMasterPopulationTable(
{key: [(1, 0, True), (1, n_rows * 4, True)]}),
synapse_io=MockSynapseIO())
transceiver = MockTransceiverRawData(direct_matrix)
placement = Placement(None, 0, 0, 1)
data_1, row_len_1 = synaptic_manager._retrieve_synaptic_block(
transceiver=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=n_rows, index=0,
using_extra_monitor_cores=False)
data_2, row_len_2 = synaptic_manager._retrieve_synaptic_block(
transceiver=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=n_rows, index=1,
using_extra_monitor_cores=False)
# Row lengths should be 1
assert row_len_1 == 1
assert row_len_2 == 1
# Check the data retrieved
assert data_1 == direct_matrix_1_expanded
assert data_2 == direct_matrix_2_expanded
def test_retrieve_synaptic_block(self):
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)
key = 0
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0, spikes_per_second=100.0,
config=config,
population_table_type=MockMasterPopulationTable(
{key: [(1, 0, False)]}),
synapse_io=MockSynapseIO())
transceiver = MockTransceiverRawData(bytearray(16))
placement = Placement(None, 0, 0, 1)
first_block, row_len_1 = synaptic_manager._retrieve_synaptic_block(
txrx=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=1, index=0,
using_monitors=False)
same_block, row_len_1_2 = synaptic_manager._retrieve_synaptic_block(
txrx=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=1, index=0,
using_monitors=False)
synaptic_manager.clear_connection_cache()
different_block, row_len_2 = synaptic_manager._retrieve_synaptic_block(
txrx=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=1, index=0,
using_monitors=False)
# Check that the row lengths are all the same
assert row_len_1 == row_len_1_2
assert row_len_1 == row_len_2
# Check that the block retrieved twice without reset is cached
assert id(first_block) == id(same_block)
# Check that the block after reset is not a copy
assert id(first_block) != id(different_block)
def test_retrieve_synaptic_block(self):
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)
key = 0
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0, spikes_per_second=100.0,
config=config,
population_table_type=MockMasterPopulationTable(
{key: [(1, 0, False)]}),
synapse_io=MockSynapseIO())
transceiver = MockTransceiverRawData(bytearray(16))
placement = Placement(None, 0, 0, 1)
first_block, row_len_1 = synaptic_manager._retrieve_synaptic_block(
transceiver=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=1, index=0,
using_extra_monitor_cores=False)
same_block, row_len_1_2 = synaptic_manager._retrieve_synaptic_block(
transceiver=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=1, index=0,
using_extra_monitor_cores=False)
synaptic_manager.clear_connection_cache()
different_block, row_len_2 = synaptic_manager._retrieve_synaptic_block(
transceiver=transceiver, placement=placement,
master_pop_table_address=0, indirect_synapses_address=0,
direct_synapses_address=0, key=key, n_rows=1, index=0,
using_extra_monitor_cores=False)
# Check that the row lengths are all the same
assert row_len_1 == row_len_1_2
assert row_len_1 == row_len_2
# Check that the block retrieved twice without reset is cached
assert id(first_block) == id(same_block)
# Check that the block after reset is not a copy
assert id(first_block) != id(different_block)
def test_set_synapse_dynamics(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)
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0,
spikes_per_second=100.0, config=config)
static = SynapseDynamicsStatic()
stdp = SynapseDynamicsSTDP(
timing_dependence=TimingDependenceSpikePair(),
weight_dependence=WeightDependenceAdditive())
alt_stdp = SynapseDynamicsSTDP(
timing_dependence=TimingDependenceSpikePair(),
weight_dependence=WeightDependenceMultiplicative())
static_struct = SynapseDynamicsStructuralStatic(
partner_selection=LastNeuronSelection(),
formation=DistanceDependentFormation(),
elimination=RandomByWeightElimination(0.5))
alt_static_struct = SynapseDynamicsStructuralStatic(
partner_selection=RandomSelection(),
formation=DistanceDependentFormation(),
elimination=RandomByWeightElimination(0.5))
stdp_struct = SynapseDynamicsStructuralSTDP(
partner_selection=LastNeuronSelection(),
formation=DistanceDependentFormation(),
elimination=RandomByWeightElimination(0.5),
timing_dependence=TimingDependenceSpikePair(),
weight_dependence=WeightDependenceAdditive())
alt_stdp_struct = SynapseDynamicsStructuralSTDP(
partner_selection=RandomSelection(),
formation=DistanceDependentFormation(),
elimination=RandomByWeightElimination(0.5),
timing_dependence=TimingDependenceSpikePair(),
weight_dependence=WeightDependenceAdditive())
alt_stdp_struct_2 = SynapseDynamicsStructuralSTDP(
partner_selection=LastNeuronSelection(),
formation=DistanceDependentFormation(),
elimination=RandomByWeightElimination(0.5),
timing_dependence=TimingDependenceSpikePair(),
weight_dependence=WeightDependenceMultiplicative())
# This should be fine as it is the first call
synaptic_manager.synapse_dynamics = static
# This should be fine as STDP overrides static
synaptic_manager.synapse_dynamics = stdp
# This should fail because STDP dependences are difference
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp
# This should work because STDP dependences are the same
synaptic_manager.synapse_dynamics = stdp
# This should work because static always works, but the type should
# still be STDP
synaptic_manager.synapse_dynamics = static
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsSTDP)
# This should work but should merge with the STDP rule
synaptic_manager.synapse_dynamics = static_struct
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
# These should work as static / the STDP is the same but neither should
# change anything
synaptic_manager.synapse_dynamics = static
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
synaptic_manager.synapse_dynamics = stdp
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
synaptic_manager.synapse_dynamics = static_struct
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
# These should fail as things are different
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_static_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp
# This should pass as same structural STDP
synaptic_manager.synapse_dynamics = stdp_struct
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
# These should fail as both different
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct_2
# Try starting again to get a couple more combinations
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0,
spikes_per_second=100.0, config=config)
# STDP followed by structural STDP should result in Structural STDP
synaptic_manager.synapse_dynamics = stdp
synaptic_manager.synapse_dynamics = stdp_struct
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
# ... and should fail here because of differences
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_static_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct_2
# One more time!
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0,
spikes_per_second=100.0, config=config)
# Static followed by static structural should result in static
# structural
synaptic_manager.synapse_dynamics = static
synaptic_manager.synapse_dynamics = static_struct
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralStatic)
# ... and should fail here because of differences
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_static_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct
# This should be fine
synaptic_manager.synapse_dynamics = static
# This should be OK, but should merge with STDP (opposite of above)
synaptic_manager.synapse_dynamics = stdp
self.assertIsInstance(
synaptic_manager.synapse_dynamics, SynapseDynamicsStructuralSTDP)
# ... and now these should fail
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_static_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct
with self.assertRaises(SynapticConfigurationException):
synaptic_manager.synapse_dynamics = alt_stdp_struct_2
# OK, just one more, honest
synaptic_manager = SynapticManager(
n_synapse_types=2, ring_buffer_sigma=5.0,
spikes_per_second=100.0, config=config)
synaptic_manager.synapse_dynamics = static_struct
synaptic_manager.synapse_dynamics = stdp_struct
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 = 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)
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 = 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)
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._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, 2, 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, 2, 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, 2, 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_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])