class Spinnaker(FrontEndCommonConfigurationFunctions,
FrontEndCommonInterfaceFunctions,
FrontEndCommonProvenanceFunctions,
SpynnakerConfigurationFunctions):
"""
Spinnaker
"""
def __init__(self, host_name=None, timestep=None, min_delay=None,
max_delay=None, graph_label=None,
database_socket_addresses=None):
FrontEndCommonConfigurationFunctions.__init__(self, host_name,
graph_label)
SpynnakerConfigurationFunctions.__init__(self)
FrontEndCommonProvenanceFunctions.__init__(self)
self._database_socket_addresses = set()
self._database_interface = None
self._create_database = None
self._populations = list()
if self._app_id is None:
self._set_up_main_objects(
app_id=config.getint("Machine", "appID"),
execute_data_spec_report=config.getboolean(
"Reports", "writeTextSpecs"),
execute_partitioner_report=config.getboolean(
"Reports", "writePartitionerReports"),
execute_placer_report=config.getboolean(
"Reports", "writePlacerReports"),
execute_router_dat_based_report=config.getboolean(
"Reports", "writeRouterDatReport"),
reports_are_enabled=config.getboolean(
"Reports", "reportsEnabled"),
generate_performance_measurements=config.getboolean(
"Reports", "outputTimesForSections"),
execute_router_report=config.getboolean(
"Reports", "writeRouterReports"),
execute_write_reload_steps=config.getboolean(
"Reports", "writeReloadSteps"),
generate_transciever_report=config.getboolean(
"Reports", "writeTransceiverReport"),
execute_routing_info_report=config.getboolean(
"Reports", "writeRouterInfoReport"),
in_debug_mode=config.get("Mode", "mode") == "Debug",
generate_tag_report=config.getboolean(
"Reports", "writeTagAllocationReports"))
self._set_up_pacman_algorthms_listings(
partitioner_algorithm=config.get("Partitioner", "algorithm"),
placer_algorithm=config.get("Placer", "algorithm"),
key_allocator_algorithm=config.get(
"KeyAllocator", "algorithm"),
routing_algorithm=config.get("Routing", "algorithm"))
# set up exeuctable specifics
self._set_up_executable_specifics()
self._set_up_report_specifics(
default_report_file_path=config.get(
"Reports", "defaultReportFilePath"),
max_reports_kept=config.getint("Reports", "max_reports_kept"),
reports_are_enabled=config.getboolean(
"Reports", "reportsEnabled"),
write_provance_data=config.getboolean(
"Reports", "writeProvanceData"),
write_text_specs=config.getboolean(
"Reports", "writeTextSpecs"))
self._set_up_output_application_data_specifics(
max_application_binaries_kept=config.getint(
"Reports", "max_application_binaries_kept"),
where_to_write_application_data_files=config.get(
"Reports", "defaultApplicationDataFilePath"))
# set up spynnaker specifics, such as setting the machineName from conf
self._set_up_machine_specifics(
timestep, min_delay, max_delay, host_name)
self._spikes_per_second = float(config.getfloat(
"Simulation", "spikes_per_second"))
self._ring_buffer_sigma = float(config.getfloat(
"Simulation", "ring_buffer_sigma"))
# Determine default executable folder location
# and add this default to end of list of search paths
executable_finder.add_path(os.path.dirname(model_binaries.__file__))
FrontEndCommonInterfaceFunctions.__init__(
self, self._reports_states, self._report_default_directory,
self._app_data_runtime_folder)
logger.info("Setting time scale factor to {}."
.format(self._time_scale_factor))
logger.info("Setting appID to %d." % self._app_id)
# get the machine time step
logger.info("Setting machine time step to {} micro-seconds."
.format(self._machine_time_step))
self._edge_count = 0
# Manager of buffered sending
self._send_buffer_manager = None
def run(self, run_time):
"""
:param run_time:
:return:
"""
# sort out config param to be valid types
width = config.get("Machine", "width")
height = config.get("Machine", "height")
if width == "None":
width = None
else:
width = int(width)
if height == "None":
height = None
else:
height = int(height)
number_of_boards = config.get("Machine", "number_of_boards")
if number_of_boards == "None":
number_of_boards = None
self.setup_interfaces(
hostname=self._hostname,
bmp_details=config.get("Machine", "bmp_names"),
downed_chips=config.get("Machine", "down_chips"),
downed_cores=config.get("Machine", "down_cores"),
board_version=config.getint("Machine", "version"),
number_of_boards=number_of_boards, width=width, height=height,
is_virtual=config.getboolean("Machine", "virtual_board"),
virtual_has_wrap_arounds=config.getboolean(
"Machine", "requires_wrap_arounds"),
auto_detect_bmp=config.getboolean("Machine", "auto_detect_bmp"))
# adds extra stuff needed by the reload script which cannot be given
# directly.
if self._reports_states.transciever_report:
self._reload_script.runtime = run_time
self._reload_script.time_scale_factor = self._time_scale_factor
# create network report if needed
if self._reports_states is not None:
reports.network_specification_partitionable_report(
self._report_default_directory, self._partitionable_graph,
self._hostname)
# calculate number of machine time steps
if run_time is not None:
self._no_machine_time_steps =\
int((run_time * 1000.0) / self._machine_time_step)
ceiled_machine_time_steps = \
math.ceil((run_time * 1000.0) / self._machine_time_step)
if self._no_machine_time_steps != ceiled_machine_time_steps:
raise common_exceptions.ConfigurationException(
"The runtime and machine time step combination result in "
"a factional number of machine runable time steps and "
"therefore spinnaker cannot determine how many to run for")
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractDataSpecableVertex):
vertex.set_no_machine_time_steps(
self._no_machine_time_steps)
else:
self._no_machine_time_steps = None
logger.warn("You have set a runtime that will never end, this may"
"cause the neural models to fail to partition "
"correctly")
for vertex in self._partitionable_graph.vertices:
if (isinstance(vertex, AbstractPopulationRecordableVertex) and
vertex.record):
raise common_exceptions.ConfigurationException(
"recording a population when set to infinite runtime "
"is not currently supportable in this tool chain."
"watch this space")
do_timing = config.getboolean("Reports", "outputTimesForSections")
if do_timing:
timer = Timer()
else:
timer = None
self.set_runtime(run_time)
logger.info("*** Running Mapper *** ")
if do_timing:
timer.start_timing()
self.map_model()
if do_timing:
timer.take_sample()
# add database generation if requested
needs_database = self._auto_detect_database(self._partitioned_graph)
user_create_database = config.get("Database", "create_database")
if ((user_create_database == "None" and needs_database) or
user_create_database == "True"):
wait_on_confirmation = config.getboolean(
"Database", "wait_on_confirmation")
self._database_interface = SpynnakerDataBaseInterface(
self._app_data_runtime_folder, wait_on_confirmation,
self._database_socket_addresses)
self._database_interface.add_system_params(
self._time_scale_factor, self._machine_time_step,
self._runtime)
self._database_interface.add_machine_objects(self._machine)
self._database_interface.add_partitionable_vertices(
self._partitionable_graph)
self._database_interface.add_partitioned_vertices(
self._partitioned_graph, self._graph_mapper,
self._partitionable_graph)
self._database_interface.add_placements(self._placements,
self._partitioned_graph)
self._database_interface.add_routing_infos(
self._routing_infos, self._partitioned_graph)
self._database_interface.add_routing_tables(self._router_tables)
self._database_interface.add_tags(self._partitioned_graph,
self._tags)
execute_mapping = config.getboolean(
"Database", "create_routing_info_to_neuron_id_mapping")
if execute_mapping:
self._database_interface.create_neuron_to_key_mapping(
graph_mapper=self._graph_mapper,
partitionable_graph=self._partitionable_graph,
partitioned_graph=self._partitioned_graph,
routing_infos=self._routing_infos)
# if using a reload script, add if that needs to wait for
# confirmation
if self._reports_states.transciever_report:
self._reload_script.wait_on_confirmation = wait_on_confirmation
for socket_address in self._database_socket_addresses:
self._reload_script.add_socket_address(socket_address)
self._database_interface.send_read_notification()
# execute data spec generation
if do_timing:
timer.start_timing()
logger.info("*** Generating Output *** ")
logger.debug("")
executable_targets = self.generate_data_specifications()
if do_timing:
timer.take_sample()
# execute data spec execution
if do_timing:
timer.start_timing()
processor_to_app_data_base_address = \
self.execute_data_specification_execution(
config.getboolean("SpecExecution", "specExecOnHost"),
self._hostname, self._placements, self._graph_mapper,
write_text_specs=config.getboolean(
"Reports", "writeTextSpecs"),
runtime_application_data_folder=self._app_data_runtime_folder,
machine=self._machine)
if self._reports_states is not None:
reports.write_memory_map_report(self._report_default_directory,
processor_to_app_data_base_address)
if do_timing:
timer.take_sample()
if (not isinstance(self._machine, VirtualMachine) and
config.getboolean("Execute", "run_simulation")):
if do_timing:
timer.start_timing()
logger.info("*** Loading tags ***")
self.load_tags(self._tags)
if self._do_load is True:
logger.info("*** Loading data ***")
self._load_application_data(
self._placements, self._graph_mapper,
processor_to_app_data_base_address, self._hostname,
app_data_folder=self._app_data_runtime_folder,
verify=config.getboolean("Mode", "verify_writes"))
self.load_routing_tables(self._router_tables, self._app_id)
logger.info("*** Loading executables ***")
self.load_executable_images(executable_targets, self._app_id)
logger.info("*** Loading buffers ***")
self.set_up_send_buffering(self._partitioned_graph,
self._placements, self._tags)
# end of entire loading setup
if do_timing:
timer.take_sample()
if self._do_run is True:
logger.info("*** Running simulation... *** ")
if do_timing:
timer.start_timing()
# every thing is in sync0. load the initial buffers
self._send_buffer_manager.load_initial_buffers()
if do_timing:
timer.take_sample()
wait_on_confirmation = config.getboolean(
"Database", "wait_on_confirmation")
send_start_notification = config.getboolean(
"Database", "send_start_notification")
self.wait_for_cores_to_be_ready(executable_targets,
self._app_id)
# wait till external app is ready for us to start if required
if (self._database_interface is not None and
wait_on_confirmation):
self._database_interface.wait_for_confirmation()
self.start_all_cores(executable_targets, self._app_id)
if (self._database_interface is not None and
send_start_notification):
self._database_interface.send_start_notification()
if self._runtime is None:
logger.info("Application is set to run forever - exiting")
else:
self.wait_for_execution_to_complete(
executable_targets, self._app_id, self._runtime,
self._time_scale_factor)
self._has_ran = True
if self._retrieve_provance_data:
progress = ProgressBar(self._placements.n_placements + 1,
"getting provenance data")
# retrieve provence data from central
file_path = os.path.join(self._report_default_directory,
"provance_data")
# check the directory doesnt already exist
if not os.path.exists(file_path):
os.mkdir(file_path)
# write provanence data
self.write_provenance_data_in_xml(file_path, self._txrx)
progress.update()
# retrieve provenance data from any cores that provide data
for placement in self._placements.placements:
if isinstance(placement.subvertex,
AbstractProvidesProvenanceData):
core_file_path = os.path.join(
file_path,
"Provanence_data_for_{}_{}_{}_{}.xml".format(
placement.subvertex.label,
placement.x, placement.y, placement.p))
placement.subvertex.write_provenance_data_in_xml(
core_file_path, self.transceiver, placement)
progress.update()
progress.end()
elif isinstance(self._machine, VirtualMachine):
logger.info(
"*** Using a Virtual Machine so no simulation will occur")
else:
logger.info("*** No simulation requested: Stopping. ***")
@property
def app_id(self):
"""
:return:
"""
return self._app_id
@property
def has_ran(self):
"""
:return:
"""
return self._has_ran
@property
def machine_time_step(self):
"""
:return:
"""
return self._machine_time_step
@property
def no_machine_time_steps(self):
"""
:return:
"""
return self._no_machine_time_steps
@property
def timescale_factor(self):
"""
:return:
"""
return self._time_scale_factor
@property
def spikes_per_second(self):
"""
:return:
"""
return self._spikes_per_second
@property
def ring_buffer_sigma(self):
"""
:return:
"""
return self._ring_buffer_sigma
@property
def get_multi_cast_source(self):
"""
:return:
"""
return self._multi_cast_vertex
@property
def partitioned_graph(self):
"""
:return:
"""
return self._partitioned_graph
@property
def partitionable_graph(self):
"""
:return:
"""
return self._partitionable_graph
@property
def placements(self):
"""
:return:
"""
return self._placements
@property
def transceiver(self):
"""
:return:
"""
return self._txrx
@property
def graph_mapper(self):
"""
:return:
"""
return self._graph_mapper
@property
def routing_infos(self):
"""
:return:
"""
return self._routing_infos
def set_app_id(self, value):
"""
:param value:
:return:
"""
self._app_id = value
def get_current_time(self):
"""
:return:
"""
if self._has_ran:
return float(self._runtime)
return 0.0
def __repr__(self):
return "Spinnaker object for machine {}".format(self._hostname)
def map_model(self):
"""
executes the pacman compilation stack
"""
pacman_report_state = \
self._reports_states.generate_pacman_report_states()
self._add_virtual_chips()
# execute partitioner
self._execute_partitioner(pacman_report_state)
# execute placer
self._execute_placer(pacman_report_state)
# exeucte tag allocator
self._execute_tag_allocator(pacman_report_state)
# execute pynn subedge pruning
self._partitioned_graph, self._graph_mapper = \
GraphEdgeFilter(self._report_default_directory)\
.run(self._partitioned_graph, self._graph_mapper)
# execute key allocator
self._execute_key_allocator(pacman_report_state)
# execute router
self._execute_router(pacman_report_state)
def _execute_tag_allocator(self, pacman_report_state):
"""
:param pacman_report_state:
:return:
"""
if self._tag_allocator_algorithm is None:
self._tag_allocator_algorithm = BasicTagAllocator()
else:
self._tag_allocator_algorithm = self._tag_allocator_algorithm()
# execute tag allocation
self._tags = self._tag_allocator_algorithm.allocate_tags(
self._machine, self._placements)
# generate reports
if (pacman_report_state is not None and
pacman_report_state.tag_allocation_report):
pacman_reports.tag_allocator_report(
self._report_default_directory, self._tags)
def _execute_key_allocator(self, pacman_report_state):
""" executes the key allocator
:param pacman_report_state:
:return:
"""
if self._key_allocator_algorithm is None:
self._key_allocator_algorithm = BasicRoutingInfoAllocator()
else:
self._key_allocator_algorithm = self._key_allocator_algorithm()
# execute routing info generator
# Generate an n_keys map for the graph and add constraints
n_keys_map = DictBasedPartitionedEdgeNKeysMap()
for edge in self._partitioned_graph.subedges:
vertex_slice = self._graph_mapper.get_subvertex_slice(
edge.pre_subvertex)
super_edge = (self._graph_mapper
.get_partitionable_edge_from_partitioned_edge(edge))
if not isinstance(super_edge.pre_vertex,
AbstractProvidesNKeysForEdge):
n_keys_map.set_n_keys_for_patitioned_edge(edge,
vertex_slice.n_atoms)
else:
n_keys_map.set_n_keys_for_patitioned_edge(
edge,
super_edge.pre_vertex.get_n_keys_for_partitioned_edge(
edge, self._graph_mapper))
if isinstance(super_edge.pre_vertex,
AbstractProvidesOutgoingEdgeConstraints):
edge.add_constraints(
super_edge.pre_vertex.get_outgoing_edge_constraints(
edge, self._graph_mapper))
if isinstance(super_edge.post_vertex,
AbstractProvidesIncomingEdgeConstraints):
edge.add_constraints(
super_edge.post_vertex.get_incoming_edge_constraints(
edge, self._graph_mapper))
# execute routing info generator
self._routing_infos = \
self._key_allocator_algorithm.allocate_routing_info(
self._partitioned_graph, self._placements, n_keys_map)
# generate reports
if (pacman_report_state is not None and
pacman_report_state.routing_info_report):
pacman_reports.routing_info_reports(
self._report_default_directory, self._partitioned_graph,
self._routing_infos)
def _execute_router(self, pacman_report_state):
""" exectes the router algorithum
:param pacman_report_state:
:return:
"""
# set up a default placer algorithm if none are specified
if self._router_algorithm is None:
self._router_algorithm = BasicDijkstraRouting()
else:
self._router_algorithm = self._router_algorithm()
self._router_tables = \
self._router_algorithm.route(
self._routing_infos, self._placements, self._machine,
self._partitioned_graph)
if pacman_report_state is not None and \
pacman_report_state.router_report:
pacman_reports.router_reports(
graph=self._partitionable_graph, hostname=self._hostname,
graph_to_sub_graph_mapper=self._graph_mapper,
placements=self._placements,
report_folder=self._report_default_directory,
include_dat_based=pacman_report_state.router_dat_based_report,
routing_tables=self._router_tables,
routing_info=self._routing_infos, machine=self._machine)
if self._in_debug_mode:
# check that all routes are valid and no cycles exist
valid_route_checker = ValidRouteChecker(
placements=self._placements, routing_infos=self._routing_infos,
routing_tables=self._router_tables, machine=self._machine,
partitioned_graph=self._partitioned_graph)
valid_route_checker.validate_routes()
def _execute_partitioner(self, pacman_report_state):
""" executes the partitioner function
:param pacman_report_state:
:return:
"""
# execute partitioner or default partitioner (as seen fit)
if self._partitioner_algorithm is None:
self._partitioner_algorithm = BasicPartitioner()
else:
self._partitioner_algorithm = self._partitioner_algorithm()
# execute partitioner
self._partitioned_graph, self._graph_mapper = \
self._partitioner_algorithm.partition(self._partitionable_graph,
self._machine)
# execute reports
if (pacman_report_state is not None and
pacman_report_state.partitioner_report):
pacman_reports.partitioner_reports(
self._report_default_directory, self._hostname,
self._partitionable_graph, self._graph_mapper)
def _execute_placer(self, pacman_report_state):
""" executes the placer
:param pacman_report_state:
:return:
"""
# execute placer or default placer (as seen fit)
if self._placer_algorithm is None:
self._placer_algorithm = BasicPlacer()
else:
self._placer_algorithm = self._placer_algorithm()
# execute placer
self._placements = self._placer_algorithm.place(
self._partitioned_graph, self._machine)
# execute placer reports if needed
if (pacman_report_state is not None and
pacman_report_state.placer_report):
pacman_reports.placer_reports_with_partitionable_graph(
graph=self._partitionable_graph,
graph_mapper=self._graph_mapper, hostname=self._hostname,
machine=self._machine, placements=self._placements,
report_folder=self._report_default_directory)
def generate_data_specifications(self):
""" generates the dsg for the graph.
:return:
"""
# iterate though subvertexes and call generate_data_spec for each
# vertex
executable_targets = ExecutableTargets()
# create a progress bar for end users
progress_bar = ProgressBar(len(list(self._placements.placements)),
"on generating data specifications")
for placement in self._placements.placements:
associated_vertex =\
self._graph_mapper.get_vertex_from_subvertex(
placement.subvertex)
# if the vertex can generate a DSG, call it
if isinstance(associated_vertex, AbstractDataSpecableVertex):
ip_tags = self._tags.get_ip_tags_for_vertex(
placement.subvertex)
reverse_ip_tags = self._tags.get_reverse_ip_tags_for_vertex(
placement.subvertex)
associated_vertex.generate_data_spec(
placement.subvertex, placement, self._partitioned_graph,
self._partitionable_graph, self._routing_infos,
self._hostname, self._graph_mapper,
self._report_default_directory, ip_tags, reverse_ip_tags,
self._writeTextSpecs, self._app_data_runtime_folder)
progress_bar.update()
# Get name of binary from vertex
binary_name = associated_vertex.get_binary_file_name()
# Attempt to find this within search paths
binary_path = executable_finder.get_executable_path(
binary_name)
if binary_path is None:
raise exceptions.ExecutableNotFoundException(binary_name)
if not executable_targets.has_binary(binary_path):
executable_targets.add_binary(binary_path)
executable_targets.add_processor(
binary_path, placement.x, placement.y, placement.p)
# finish the progress bar
progress_bar.end()
return executable_targets
def add_vertex(self, vertex_to_add):
"""
:param vertex_to_add:
:return:
"""
if isinstance(vertex_to_add, CommandSender):
self._multi_cast_vertex = vertex_to_add
self._partitionable_graph.add_vertex(vertex_to_add)
if isinstance(vertex_to_add, AbstractSendMeMulticastCommandsVertex):
if self._multi_cast_vertex is None:
self._multi_cast_vertex = CommandSender(
self._machine_time_step, self._time_scale_factor)
self.add_vertex(self._multi_cast_vertex)
edge = MultiCastPartitionableEdge(
self._multi_cast_vertex, vertex_to_add)
self._multi_cast_vertex.add_commands(vertex_to_add.commands, edge)
self.add_edge(edge)
# add any dependent edges and verts if needed
if isinstance(vertex_to_add,
AbstractVertexWithEdgeToDependentVertices):
for dependant_vertex in vertex_to_add.dependent_vertices:
self.add_vertex(dependant_vertex)
dependant_edge = MultiCastPartitionableEdge(
pre_vertex=vertex_to_add, post_vertex=dependant_vertex)
self.add_edge(dependant_edge)
def add_edge(self, edge_to_add):
"""
:param edge_to_add:
:return:
"""
self._partitionable_graph.add_edge(edge_to_add)
def create_population(self, size, cellclass, cellparams, structure, label):
"""
:param size:
:param cellclass:
:param cellparams:
:param structure:
:param label:
:return:
"""
return Population(
size=size, cellclass=cellclass, cellparams=cellparams,
structure=structure, label=label, spinnaker=self)
def _add_population(self, population):
""" Called by each population to add itself to the list
"""
self._populations.append(population)
def create_projection(
self, presynaptic_population, postsynaptic_population, connector,
source, target, synapse_dynamics, label, rng):
"""
:param presynaptic_population:
:param postsynaptic_population:
:param connector:
:param source:
:param target:
:param synapse_dynamics:
:param label:
:param rng:
:return:
"""
if label is None:
label = "Projection {}".format(self._edge_count)
self._edge_count += 1
return Projection(
presynaptic_population=presynaptic_population, label=label,
postsynaptic_population=postsynaptic_population, rng=rng,
connector=connector, source=source, target=target,
synapse_dynamics=synapse_dynamics, spinnaker_control=self,
machine_time_step=self._machine_time_step,
timescale_factor=self._time_scale_factor)
def _add_virtual_chips(self):
# allocate chip ids to the virutal chips
chip_id_allocator = MallocBasedChipIdAllocator()
chip_id_allocator.allocate_chip_ids(self._partitionable_graph,
self._machine)
# add virtual chips to the machine object
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractVirtualVertex):
# check if the virtual chip doesn't already exist
if self._machine.get_chip_at(vertex.virtual_chip_x,
vertex.virtual_chip_y) is None:
virutal_chip = self._create_virtual_chip(vertex)
self._machine.add_chip(virutal_chip)
def _create_virtual_chip(self, virtual_vertex):
""" Create a virtual chip as a real chip in the spinnmachine machine\
object
:param virtual_vertex: virutal vertex to convert into a real chip
:return: the real chip
"""
sdram_object = SDRAM()
# creates the two links
spinnaker_link_id = virtual_vertex.get_spinnaker_link_id
spinnaker_link_data = \
self._machine.locate_connected_chips_coords_and_link(
config.getint("Machine", "version"), spinnaker_link_id)
virtual_link_id = (spinnaker_link_data.connected_link + 3) % 6
to_virtual_chip_link = Link(
destination_x=virtual_vertex.virtual_chip_x,
destination_y=virtual_vertex.virtual_chip_y,
source_x=spinnaker_link_data.connected_chip_x,
source_y=spinnaker_link_data.connected_chip_y,
multicast_default_from=virtual_link_id,
multicast_default_to=virtual_link_id,
source_link_id=spinnaker_link_data.connected_link)
from_virtual_chip_link = Link(
destination_x=spinnaker_link_data.connected_chip_x,
destination_y=spinnaker_link_data.connected_chip_y,
source_x=virtual_vertex.virtual_chip_x,
source_y=virtual_vertex.virtual_chip_y,
multicast_default_from=(spinnaker_link_data.connected_link),
multicast_default_to=spinnaker_link_data.connected_link,
source_link_id=virtual_link_id)
# create the router
links = [from_virtual_chip_link]
router_object = MachineRouter(
links=links, emergency_routing_enabled=False,
clock_speed=MachineRouter.ROUTER_DEFAULT_CLOCK_SPEED,
n_available_multicast_entries=sys.maxint)
# create the processors
processors = list()
for virtual_core_id in range(0, 128):
processors.append(Processor(virtual_core_id,
Processor.CPU_AVAILABLE,
virtual_core_id == 0))
# connect the real chip with the virtual one
connected_chip = self._machine.get_chip_at(
spinnaker_link_data.connected_chip_x,
spinnaker_link_data.connected_chip_y)
connected_chip.router.add_link(to_virtual_chip_link)
# return new v chip
return Chip(
processors=processors, router=router_object, sdram=sdram_object,
x=virtual_vertex.virtual_chip_x, y=virtual_vertex.virtual_chip_y,
virtual=True, nearest_ethernet_x=None, nearest_ethernet_y=None)
def stop(self, turn_off_machine=None, clear_routing_tables=None,
clear_tags=None):
"""
:param turn_off_machine: decides if the machine should be powered down\
after running the exeuction. Note that this powers down all boards\
connected to the BMP connections given to the transciever
:type turn_off_machine: bool
:param clear_routing_tables: informs the tool chain if it\
should turn off the clearing of the routing tables
:type clear_routing_tables: bool
:param clear_tags: informs the tool chain if it should clear the tags\
off the machine at stop
:type clear_tags: boolean
:return: None
"""
for population in self._populations:
population._end()
if turn_off_machine is None:
config.getboolean("Machine", "turn_off_machine")
if clear_routing_tables is None:
config.getboolean("Machine", "clear_routing_tables")
if clear_tags is None:
config.getboolean("Machine", "clear_tags")
# if stopping on machine, clear iptags and
if clear_tags:
for ip_tag in self._tags.ip_tags:
self._txrx.clear_ip_tag(
ip_tag.tag, board_address=ip_tag.board_address)
for reverse_ip_tag in self._tags.reverse_ip_tags:
self._txrx.clear_ip_tag(
reverse_ip_tag.tag,
board_address=reverse_ip_tag.board_address)
# if clearing routing table entries, clear
if clear_routing_tables:
for router_table in self._router_tables.routing_tables:
if not self._machine.get_chip_at(router_table.x,
router_table.y).virtual:
self._txrx.clear_multicast_routes(router_table.x,
router_table.y)
# execute app stop
# self._txrx.stop_application(self._app_id)
if self._create_database:
self._database_interface.stop()
# if asked to turn off machine, power down each rack via bmp
# connections
if turn_off_machine:
self._txrx.power_off_machine()
# stop the transciever
self._txrx.close()
def _add_socket_address(self, socket_address):
"""
:param socket_address:
:return:
"""
self._database_socket_addresses.add(socket_address)
class Spinnaker(SpinnakerMainInterface):
"""
Spinnaker: the main entrance for the spynnaker front end
"""
def __init__(
self, host_name=None, timestep=None, min_delay=None,
max_delay=None, graph_label=None, database_socket_addresses=None,
n_chips_required=None):
# Determine default executable folder location
# and add this default to end of list of search paths
executable_finder.add_path(os.path.dirname(model_binaries.__file__))
# population holders
self._populations = list()
self._projections = list()
self._multi_cast_vertex = None
self._edge_count = 0
self._live_spike_recorder = dict()
# create xml path for where to locate spynnaker related functions when
# using auto pause and resume
extra_algorithm_xml_path = list()
extra_algorithm_xml_path.append(os.path.join(
os.path.dirname(overridden_pacman_functions.__file__),
"algorithms_metadata.xml"))
extra_mapping_inputs = dict()
extra_mapping_inputs['CreateAtomToEventIdMapping'] = config.getboolean(
"Database", "create_routing_info_to_neuron_id_mapping")
SpinnakerMainInterface.__init__(
self, config, graph_label=graph_label,
executable_finder=executable_finder,
database_socket_addresses=database_socket_addresses,
extra_algorithm_xml_paths=extra_algorithm_xml_path,
extra_mapping_inputs=extra_mapping_inputs,
n_chips_required=n_chips_required)
# timing parameters
self._min_supported_delay = None
self._max_supported_delay = None
self._time_scale_factor = None
# set up machine targeted data
self._set_up_timings(timestep, min_delay, max_delay)
self.set_up_machine_specifics(host_name)
logger.info("Setting time scale factor to {}."
.format(self._time_scale_factor))
# get the machine time step
logger.info("Setting machine time step to {} micro-seconds."
.format(self._machine_time_step))
def _set_up_timings(self, timestep, min_delay, max_delay):
self._machine_time_step = config.getint("Machine", "machineTimeStep")
# deal with params allowed via the setup options
if timestep is not None:
# convert into milliseconds from microseconds
timestep *= 1000
self._machine_time_step = timestep
if min_delay is not None and float(min_delay * 1000) < 1.0 * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support min delays below {} ms with the "
"current machine time step"
.format(constants.MIN_SUPPORTED_DELAY * timestep))
natively_supported_delay_for_models = \
constants.MAX_SUPPORTED_DELAY_TICS
delay_extension_max_supported_delay = \
constants.MAX_DELAY_BLOCKS \
* constants.MAX_TIMER_TICS_SUPPORTED_PER_BLOCK
max_delay_tics_supported = \
natively_supported_delay_for_models + \
delay_extension_max_supported_delay
if max_delay is not None\
and float(max_delay * 1000) > max_delay_tics_supported * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support max delays above {} ms with the "
"current machine time step".format(0.144 * timestep))
if min_delay is not None:
self._min_supported_delay = min_delay
else:
self._min_supported_delay = timestep / 1000.0
if max_delay is not None:
self._max_supported_delay = max_delay
else:
self._max_supported_delay = (max_delay_tics_supported *
(timestep / 1000.0))
if (config.has_option("Machine", "timeScaleFactor") and
config.get("Machine", "timeScaleFactor") != "None"):
self._time_scale_factor = \
config.getint("Machine", "timeScaleFactor")
if timestep * self._time_scale_factor < 1000:
if config.getboolean(
"Mode", "violate_1ms_wall_clock_restriction"):
logger.warn(
"****************************************************")
logger.warn(
"*** The combination of simulation time step and ***")
logger.warn(
"*** the machine time scale factor results in a ***")
logger.warn(
"*** wall clock timer tick that is currently not ***")
logger.warn(
"*** reliably supported by the spinnaker machine. ***")
logger.warn(
"****************************************************")
else:
raise common_exceptions.ConfigurationException(
"The combination of simulation time step and the"
" machine time scale factor results in a wall clock "
"timer tick that is currently not reliably supported "
"by the spinnaker machine. If you would like to "
"override this behaviour (at your own risk), please "
"add violate_1ms_wall_clock_restriction = True to the "
"[Mode] section of your .spynnaker.cfg file")
else:
self._time_scale_factor = max(1,
math.ceil(1000.0 / float(timestep)))
if self._time_scale_factor > 1:
logger.warn("A timestep was entered that has forced sPyNNaker "
"to automatically slow the simulation down from "
"real time by a factor of {}. To remove this "
"automatic behaviour, please enter a "
"timescaleFactor value in your .spynnaker.cfg"
.format(self._time_scale_factor))
def _detect_if_graph_has_changed(self, reset_flags=True):
""" Iterates though the graph and looks changes
"""
changed = False
for population in self._populations:
if population.requires_mapping:
changed = True
if reset_flags:
population.mark_no_changes()
for projection in self._projections:
if projection.requires_mapping:
changed = True
if reset_flags:
projection.mark_no_changes()
return changed
@property
def min_supported_delay(self):
""" The minimum supported delay based in milliseconds
"""
return self._min_supported_delay
@property
def max_supported_delay(self):
""" The maximum supported delay based in milliseconds
"""
return self._max_supported_delay
def add_partitionable_vertex(self, vertex_to_add):
"""
:param vertex_to_add:
:return:
"""
if isinstance(vertex_to_add, CommandSender):
self._multi_cast_vertex = vertex_to_add
self._partitionable_graph.add_vertex(vertex_to_add)
if isinstance(vertex_to_add, AbstractSendMeMulticastCommandsVertex):
if self._multi_cast_vertex is None:
self._multi_cast_vertex = CommandSender(
self._machine_time_step, self._time_scale_factor)
self.add_partitionable_vertex(self._multi_cast_vertex)
edge = MultiCastPartitionableEdge(
self._multi_cast_vertex, vertex_to_add)
self._multi_cast_vertex.add_commands(vertex_to_add.commands, edge)
self.add_partitionable_edge(edge)
# add any dependent edges and vertices if needed
if isinstance(vertex_to_add,
AbstractVertexWithEdgeToDependentVertices):
for dependant_vertex in vertex_to_add.dependent_vertices:
self.add_partitionable_vertex(dependant_vertex)
dependant_edge = MultiCastPartitionableEdge(
pre_vertex=vertex_to_add, post_vertex=dependant_vertex)
self.add_partitionable_edge(
dependant_edge,
vertex_to_add.edge_partition_identifier_for_dependent_edge)
def create_population(self, size, cellclass, cellparams, structure, label):
"""
:param size:
:param cellclass:
:param cellparams:
:param structure:
:param label:
:return:
"""
return Population(
size=size, cellclass=cellclass, cellparams=cellparams,
structure=structure, label=label, spinnaker=self)
def _add_population(self, population):
""" Called by each population to add itself to the list
"""
self._populations.append(population)
def _add_projection(self, projection):
""" Called by each projection to add itself to the list
"""
self._projections.append(projection)
def create_projection(
self, presynaptic_population, postsynaptic_population, connector,
source, target, synapse_dynamics, label, rng):
"""
:param presynaptic_population: source pop this projection goes from
:param postsynaptic_population: dest pop this projection goes to
:param connector: the definition of which neurons connect to each other
:param source:
:param target: type of projection
:param synapse_dynamics: plasticity object
:param label: human readable version of the projection
:param rng: the random number generator to use on this projection
:return:
"""
if label is None:
label = "Projection {}".format(self._edge_count)
self._edge_count += 1
return Projection(
presynaptic_population=presynaptic_population, label=label,
postsynaptic_population=postsynaptic_population, rng=rng,
connector=connector, source=source, target=target,
synapse_dynamics=synapse_dynamics, spinnaker_control=self,
machine_time_step=self._machine_time_step,
timescale_factor=self._time_scale_factor,
user_max_delay=self.max_supported_delay)
def stop(self, turn_off_machine=None, clear_routing_tables=None,
clear_tags=None, extract_provenance_data=True,
extract_iobuf=True):
"""
:param turn_off_machine: decides if the machine should be powered down\
after running the execution. Note that this powers down all boards\
connected to the BMP connections given to the transceiver
:type turn_off_machine: bool
:param clear_routing_tables: informs the tool chain if it\
should turn off the clearing of the routing tables
:type clear_routing_tables: bool
:param clear_tags: informs the tool chain if it should clear the tags\
off the machine at stop
:type clear_tags: boolean
:param extract_provenance_data: informs the tools if it should \
try to extract provenance data.
:type extract_provenance_data: bool
:param extract_iobuf: tells the tools if it should try to \
extract iobuf
:type extract_iobuf: bool
:return: None
"""
for population in self._populations:
population._end()
SpinnakerMainInterface.stop(
self, turn_off_machine, clear_routing_tables, clear_tags,
extract_provenance_data, extract_iobuf)
def run(self, run_time):
""" Run the model created
:param run_time: the time in ms to run the simulation for
"""
# extra post run algorithms
self._dsg_algorithm = "SpynnakerDataSpecificationWriter"
SpinnakerMainInterface.run(self, run_time)
class Spinnaker(object):
def __init__(self, host_name=None, timestep=None, min_delay=None,
max_delay=None, graph_label=None,
database_socket_addresses=None):
self._hostname = host_name
# update graph label if needed
if graph_label is None:
graph_label = "Application_graph"
# delays parameters
self._min_supported_delay = None
self._max_supported_delay = None
# pacman objects
self._partitionable_graph = PartitionableGraph(label=graph_label)
self._partitioned_graph = None
self._graph_mapper = None
self._placements = None
self._router_tables = None
self._routing_infos = None
self._tags = None
self._machine = None
self._txrx = None
self._reports_states = None
self._app_id = None
self._buffer_manager = None
# database objects
self._database_socket_addresses = set()
if database_socket_addresses is not None:
self._database_socket_addresses.union(database_socket_addresses)
self._database_interface = None
self._create_database = None
self._database_file_path = None
# Determine default executable folder location
# and add this default to end of list of search paths
executable_finder.add_path(os.path.dirname(model_binaries.__file__))
# population holders
self._populations = list()
self._projections = list()
self._multi_cast_vertex = None
self._edge_count = 0
self._live_spike_recorder = dict()
# holder for the executable targets (which we will need for reset and
# pause and resume functionality
self._executable_targets = None
# holders for data needed for reset when nothing changes in the
# application graph
self._processor_to_app_data_base_address_mapper = None
self._placement_to_app_data_file_paths = None
# holder for timing related values
self._has_ran = False
self._has_reset_last = False
self._current_run_ms = 0
self._no_machine_time_steps = None
self._machine_time_step = None
self._no_sync_changes = 0
# state thats needed the first time around
if self._app_id is None:
self._app_id = config.getint("Machine", "appID")
if config.getboolean("Reports", "reportsEnabled"):
self._reports_states = ReportState(
config.getboolean("Reports", "writePartitionerReports"),
config.getboolean("Reports",
"writePlacerReportWithPartitionable"),
config.getboolean("Reports",
"writePlacerReportWithoutPartitionable"),
config.getboolean("Reports", "writeRouterReports"),
config.getboolean("Reports", "writeRouterInfoReport"),
config.getboolean("Reports", "writeTextSpecs"),
config.getboolean("Reports", "writeReloadSteps"),
config.getboolean("Reports", "writeTransceiverReport"),
config.getboolean("Reports", "outputTimesForSections"),
config.getboolean("Reports", "writeTagAllocationReports"))
# set up reports default folder
self._report_default_directory, this_run_time_string = \
helpful_functions.set_up_report_specifics(
default_report_file_path=config.get(
"Reports", "defaultReportFilePath"),
max_reports_kept=config.getint(
"Reports", "max_reports_kept"),
app_id=self._app_id)
# set up application report folder
self._app_data_runtime_folder = \
helpful_functions.set_up_output_application_data_specifics(
max_application_binaries_kept=config.getint(
"Reports", "max_application_binaries_kept"),
where_to_write_application_data_files=config.get(
"Reports", "defaultApplicationDataFilePath"),
app_id=self._app_id,
this_run_time_string=this_run_time_string)
self._spikes_per_second = float(config.getfloat(
"Simulation", "spikes_per_second"))
self._ring_buffer_sigma = float(config.getfloat(
"Simulation", "ring_buffer_sigma"))
# set up machine targeted data
self._set_up_machine_specifics(timestep, min_delay, max_delay,
host_name)
logger.info("Setting time scale factor to {}."
.format(self._time_scale_factor))
logger.info("Setting appID to %d." % self._app_id)
# get the machine time step
logger.info("Setting machine time step to {} micro-seconds."
.format(self._machine_time_step))
def _set_up_machine_specifics(self, timestep, min_delay, max_delay,
hostname):
self._machine_time_step = config.getint("Machine", "machineTimeStep")
# deal with params allowed via the setup options
if timestep is not None:
# convert into milliseconds from microseconds
timestep *= 1000
self._machine_time_step = timestep
if min_delay is not None and float(min_delay * 1000) < 1.0 * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support min delays below {} ms with the "
"current machine time step"
.format(constants.MIN_SUPPORTED_DELAY * timestep))
natively_supported_delay_for_models = \
constants.MAX_SUPPORTED_DELAY_TICS
delay_extention_max_supported_delay = \
constants.MAX_DELAY_BLOCKS \
* constants.MAX_TIMER_TICS_SUPPORTED_PER_BLOCK
max_delay_tics_supported = \
natively_supported_delay_for_models + \
delay_extention_max_supported_delay
if max_delay is not None\
and float(max_delay * 1000) > max_delay_tics_supported * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support max delays above {} ms with the "
"current machine time step".format(0.144 * timestep))
if min_delay is not None:
self._min_supported_delay = min_delay
else:
self._min_supported_delay = timestep / 1000.0
if max_delay is not None:
self._max_supported_delay = max_delay
else:
self._max_supported_delay = (max_delay_tics_supported *
(timestep / 1000.0))
if (config.has_option("Machine", "timeScaleFactor") and
config.get("Machine", "timeScaleFactor") != "None"):
self._time_scale_factor = \
config.getint("Machine", "timeScaleFactor")
if timestep * self._time_scale_factor < 1000:
logger.warn("the combination of machine time step and the "
"machine time scale factor results in a real "
"timer tick that is currently not reliably "
"supported by the spinnaker machine.")
else:
self._time_scale_factor = max(1,
math.ceil(1000.0 / float(timestep)))
if self._time_scale_factor > 1:
logger.warn("A timestep was entered that has forced pacman103 "
"to automatically slow the simulation down from "
"real time by a factor of {}. To remove this "
"automatic behaviour, please enter a "
"timescaleFactor value in your .pacman.cfg"
.format(self._time_scale_factor))
if hostname is not None:
self._hostname = hostname
logger.warn("The machine name from PYNN setup is overriding the "
"machine name defined in the spynnaker.cfg file")
elif config.has_option("Machine", "machineName"):
self._hostname = config.get("Machine", "machineName")
else:
raise Exception("A SpiNNaker machine must be specified in "
"spynnaker.cfg.")
use_virtual_board = config.getboolean("Machine", "virtual_board")
if self._hostname == 'None' and not use_virtual_board:
raise Exception("A SpiNNaker machine must be specified in "
"spynnaker.cfg.")
def run(self, run_time):
"""
:param run_time:
:return:
"""
logger.info("Starting execution process")
# calculate number of machine time steps
total_run_time = self._calculate_number_of_machine_time_steps(run_time)
# Calculate the first machine time step to start from and set this
# where necessary
first_machine_time_step = int(math.ceil(
(self._current_run_ms * 1000.0) / self._machine_time_step))
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractHasFirstMachineTimeStep):
vertex.set_first_machine_time_step(first_machine_time_step)
# get inputs
inputs, application_graph_changed = \
self._create_pacman_executor_inputs(run_time)
if application_graph_changed and self._has_ran:
raise common_exceptions.ConfigurationException(
"Changes to the application graph are not currently supported;"
" please instead call p.reset(), p.end(), add changes and then"
" call p.setup()")
# if the application graph has changed and you've already ran, kill old
# stuff running on machine
if application_graph_changed and self._has_ran:
self._txrx.stop_application(self._app_id)
# get outputs
required_outputs = self._create_pacman_executor_outputs(
requires_reset=False,
application_graph_changed=application_graph_changed)
# algorithms listing
algorithms = self._create_algorithm_list(
config.get("Mode", "mode") == "Debug", application_graph_changed,
executing_reset=False)
# xml paths to the algorithms metadata
xml_paths = self._create_xml_paths()
# run pacman executor
pacman_exeuctor = helpful_functions.do_mapping(
inputs, algorithms, required_outputs, xml_paths,
config.getboolean("Reports", "outputTimesForSections"))
# gather provenance data from the executor itself if needed
if (config.get("Reports", "writeProvanceData") and
not config.getboolean("Machine", "virtual_board")):
pacman_executor_file_path = os.path.join(
pacman_exeuctor.get_item("ProvenanceFilePath"),
"PACMAN_provancence_data.xml")
pacman_exeuctor.write_provenance_data_in_xml(
pacman_executor_file_path,
pacman_exeuctor.get_item("MemoryTransciever"))
# sort out outputs data
if application_graph_changed:
self._update_data_structures_from_pacman_exeuctor(pacman_exeuctor)
else:
self._no_sync_changes = pacman_exeuctor.get_item("NoSyncChanges")
self._has_ran = pacman_exeuctor.get_item("RanToken")
# reset the reset flag to say the last thing was not a reset call
self._current_run_ms = total_run_time
# switch the reset last flag, as now the last thing to run is a run
self._has_reset_last = False
def reset(self):
""" Code that puts the simulation back at time zero
:return:
"""
logger.info("Starting reset progress")
inputs, application_graph_changed = \
self._create_pacman_executor_inputs(
this_run_time=0, is_resetting=True)
if self._has_ran and application_graph_changed:
raise common_exceptions.ConfigurationException(
"Resetting the simulation after changing the model"
" is not supported")
algorithms = self._create_algorithm_list(
config.get("Mode", "mode") == "Debug", application_graph_changed,
executing_reset=True)
xml_paths = self._create_xml_paths()
required_outputs = self._create_pacman_executor_outputs(
requires_reset=True,
application_graph_changed=application_graph_changed)
# rewind the buffers from the buffer manager, to start at the beginning
# of the simulation again and clear buffered out
self._buffer_manager.reset()
# reset the current count of how many milliseconds the application
# has ran for over multiple calls to run
self._current_run_ms = 0
# change number of resets as loading the binary again resets the sync\
# to 0
self._no_sync_changes = 0
# sets the has ran into false state, to pretend that its like it has
# not ran
self._has_ran = False
# sets the reset last flag to true, so that when run occurs, the tools
# know to update the vertices which need to know a reset has occurred
self._has_reset_last = True
# reset the n_machine_time_steps from each vertex
for vertex in self.partitionable_graph.vertices:
vertex.set_no_machine_time_steps(0)
# execute reset functionality
helpful_functions.do_mapping(
inputs, algorithms, required_outputs, xml_paths,
config.getboolean("Reports", "outputTimesForSections"))
# if graph has changed kill all old objects as they will need to be
# rebuilt at next run
if application_graph_changed:
self._placements = self._router_tables = self._routing_infos = \
self._tags = self._graph_mapper = self._partitioned_graph = \
self._database_interface = self._executable_targets = \
self._placement_to_app_data_file_paths = \
self._processor_to_app_data_base_address_mapper = None
def _update_data_structures_from_pacman_exeuctor(self, pacman_exeuctor):
""" Updates all the spinnaker local data structures that it needs from\
the pacman executor
:param pacman_exeuctor: the pacman executor required to extract data\
structures from.
:return:
"""
if not config.getboolean("Machine", "virtual_board"):
self._txrx = pacman_exeuctor.get_item("MemoryTransciever")
self._has_ran = pacman_exeuctor.get_item("RanToken")
self._executable_targets = \
pacman_exeuctor.get_item("ExecutableTargets")
self._buffer_manager = pacman_exeuctor.get_item("BufferManager")
self._processor_to_app_data_base_address_mapper = \
pacman_exeuctor.get_item("ProcessorToAppDataBaseAddress")
self._placement_to_app_data_file_paths = \
pacman_exeuctor.get_item("PlacementToAppDataFilePaths")
self._placements = pacman_exeuctor.get_item("MemoryPlacements")
self._router_tables = \
pacman_exeuctor.get_item("MemoryRoutingTables")
self._routing_infos = \
pacman_exeuctor.get_item("MemoryRoutingInfos")
self._tags = pacman_exeuctor.get_item("MemoryTags")
self._graph_mapper = pacman_exeuctor.get_item("MemoryGraphMapper")
self._partitioned_graph = \
pacman_exeuctor.get_item("MemoryPartitionedGraph")
self._machine = pacman_exeuctor.get_item("MemoryMachine")
self._database_interface = \
pacman_exeuctor.get_item("DatabaseInterface")
self._database_file_path = \
pacman_exeuctor.get_item("DatabaseFilePath")
self._no_sync_changes = pacman_exeuctor.get_item("NoSyncChanges")
@staticmethod
def _create_xml_paths():
# add the extra xml files from the config file
xml_paths = config.get("Mapping", "extra_xmls_paths")
if xml_paths == "None":
xml_paths = list()
else:
xml_paths = xml_paths.split(",")
# add extra xml paths for pynn algorithms
xml_paths.append(
os.path.join(os.path.dirname(overridden_pacman_functions.__file__),
"algorithms_metadata.xml"))
xml_paths.append(os.path.join(os.path.dirname(
pacman_algorithm_reports.__file__), "reports_metadata.xml"))
return xml_paths
def _create_algorithm_list(
self, in_debug_mode, application_graph_changed, executing_reset):
algorithms = list()
# if you've not ran before, add the buffer manager
if (application_graph_changed and
not config.getboolean("Machine", "virtual_board")):
algorithms.append("FrontEndCommonBufferManagerCreater")
# if you're needing a reset, you need to clean the binaries
# (unless you've not ran yet)
if executing_reset and self._has_ran:
# kill binaries
# TODO: when SARK 1.34 appears, this only needs to send a signal
algorithms.append("FrontEndCommonApplicationExiter")
# if the allocation graph has changed, need to go through mapping
if application_graph_changed and not executing_reset:
# if the system has ran before, kill the apps and run mapping
# add debug algorithms if needed
if in_debug_mode:
algorithms.append("ValidRoutesChecker")
algorithm_names = \
config.get("Mapping", "algorithms")
algorithm_strings = algorithm_names.split(",")
for algorithm_string in algorithm_strings:
split_string = algorithm_string.split(":")
if len(split_string) == 1:
algorithms.append(split_string[0])
else:
raise common_exceptions.ConfigurationException(
"The tool chain expects config params of list of 1 "
"element with ,. Where the elements are either: the "
"algorithum_name:algorithm_config_file_path, or "
"algorithum_name if its a interal to pacman algorithm."
" Please rectify this and try again")
# if using virtual machine, add to list of algorithms the virtual
# machine generator, otherwise add the standard machine generator
if config.getboolean("Machine", "virtual_board"):
algorithms.append("FrontEndCommonVirtualMachineInterfacer")
else:
# protect against the situation where the system has already
# got a transceiver (overriding does not lose sockets)
if self._txrx is not None:
self._txrx.close()
self._txrx = None
algorithms.append("FrontEndCommonMachineInterfacer")
algorithms.append("FrontEndCommonApplicationRunner")
algorithms.append("FrontEndCommonNotificationProtocol")
algorithms.append(
"FrontEndCommonPartitionableGraphApplicationDataLoader")
algorithms.append("FrontEndCommonPartitionableGraphHost"
"ExecuteDataSpecification")
algorithms.append("FrontEndCommomLoadExecutableImages")
algorithms.append("FrontEndCommonRoutingTableLoader")
algorithms.append("FrontEndCommonTagsLoader")
algorithms.append("FrontEndCommomPartitionableGraphData"
"SpecificationWriter")
# if the end user wants reload script, add the reload script
# creator to the list (reload script currently only supported
# for the original run)
if (not self._has_ran and
config.getboolean("Reports", "writeReloadSteps")):
algorithms.append("FrontEndCommonReloadScriptCreator")
elif (self.has_ran and
config.getboolean("Reports", "writeReloadSteps")):
logger.warn(
"The reload script cannot handle multi-runs, nor can"
"it handle resets, therefore it will only contain the "
"initial run")
if (config.getboolean("Reports", "writeMemoryMapReport") and
not config.getboolean("Machine", "virtual_board")):
algorithms.append("FrontEndCommonMemoryMapReport")
if config.getboolean("Reports", "writeNetworkSpecificationReport"):
algorithms.append(
"FrontEndCommonNetworkSpecificationPartitionableReport")
# if going to write provenance data after the run add the two
# provenance gatherers
if (config.get("Reports", "writeProvanceData") and
not config.getboolean("Machine", "virtual_board")):
algorithms.append("FrontEndCommonProvenanceGatherer")
# define mapping between output types and reports
if self._reports_states is not None \
and self._reports_states.tag_allocation_report:
algorithms.append("TagReport")
if self._reports_states is not None \
and self._reports_states.routing_info_report:
algorithms.append("routingInfoReports")
if self._reports_states is not None \
and self._reports_states.router_report:
algorithms.append("RouterReports")
if self._reports_states is not None \
and self._reports_states.partitioner_report:
algorithms.append("PartitionerReport")
if (self._reports_states is not None and
self._reports_states.
placer_report_with_partitionable_graph):
algorithms.append("PlacerReportWithPartitionableGraph")
if (self._reports_states is not None and
self._reports_states.
placer_report_without_partitionable_graph):
algorithms.append("PlacerReportWithoutPartitionableGraph")
else:
# add function for extracting all the recorded data from
# recorded populations
if self._has_ran and not executing_reset:
algorithms.append("SpyNNakerRecordingExtractor")
# add functions for updating the models
algorithms.append("FrontEndCommonRuntimeUpdater")
if not self._has_ran and not executing_reset:
algorithms.append(
"FrontEndCommonPartitionableGraphApplicationDataLoader")
algorithms.append("FrontEndCommomLoadExecutableImages")
if not executing_reset:
algorithms.append("FrontEndCommonNotificationProtocol")
# add functions for setting off the models again
algorithms.append("FrontEndCommonApplicationRunner")
# if going to write provenance data after the run add the two
# provenance gatherers
if config.get("Reports", "writeProvanceData"):
algorithms.append("FrontEndCommonProvenanceGatherer")
return algorithms
def _create_pacman_executor_outputs(
self, requires_reset, application_graph_changed):
# explicitly define what outputs spynnaker expects
required_outputs = list()
if config.getboolean("Machine", "virtual_board"):
if application_graph_changed:
required_outputs.extend([
"MemoryPlacements", "MemoryRoutingTables",
"MemoryRoutingInfos", "MemoryTags",
"MemoryPartitionedGraph", "MemoryGraphMapper"])
else:
if not requires_reset:
required_outputs.append("RanToken")
# if front end wants reload script, add requires reload token
if (config.getboolean("Reports", "writeReloadSteps") and
not self._has_ran and application_graph_changed and
not config.getboolean("Machine", "virtual_board")):
required_outputs.append("ReloadToken")
return required_outputs
def _create_pacman_executor_inputs(
self, this_run_time, is_resetting=False):
application_graph_changed = \
self._detect_if_graph_has_changed(not is_resetting)
inputs = list()
# file path to store any provenance data to
provenance_file_path = \
os.path.join(self._report_default_directory, "provance_data")
if not os.path.exists(provenance_file_path):
os.mkdir(provenance_file_path)
# all modes need the NoSyncChanges
if application_graph_changed:
self._no_sync_changes = 0
inputs.append(
{'type': "NoSyncChanges", 'value': self._no_sync_changes})
# support resetting the machine during start up
if (config.getboolean("Machine", "reset_machine_on_startup") and
not self._has_ran and not is_resetting):
inputs.append(
{"type": "ResetMachineOnStartupFlag", 'value': True})
else:
inputs.append(
{"type": "ResetMachineOnStartupFlag", 'value': False})
# support runtime updater
if self._has_ran and not is_resetting:
no_machine_time_steps =\
int((this_run_time * 1000.0) /
self._machine_time_step)
inputs.append({'type': "RunTimeMachineTimeSteps",
'value': no_machine_time_steps})
# FrontEndCommonPartitionableGraphApplicationDataLoader after a
# reset and no changes
if not self._has_ran and not application_graph_changed:
inputs.append(({
'type': "ProcessorToAppDataBaseAddress",
"value": self._processor_to_app_data_base_address_mapper}))
inputs.append({"type": "PlacementToAppDataFilePaths",
'value': self._placement_to_app_data_file_paths})
inputs.append({'type': "WriteCheckerFlag",
'value': config.getboolean(
"Mode", "verify_writes")})
# support resetting when there's changes in the application graph
# (only need to exit)
if application_graph_changed and is_resetting:
inputs.append({"type": "MemoryTransciever", 'value': self._txrx})
inputs.append({'type': "ExecutableTargets",
'value': self._executable_targets})
inputs.append({'type': "MemoryPlacements",
'value': self._placements})
inputs.append({'type': "MemoryGraphMapper",
'value': self._graph_mapper})
inputs.append({'type': "APPID", 'value': self._app_id})
inputs.append({'type': "RanToken", 'value': self._has_ran})
elif application_graph_changed and not is_resetting:
# make a folder for the json files to be stored in
json_folder = os.path.join(
self._report_default_directory, "json_files")
if not os.path.exists(json_folder):
os.mkdir(json_folder)
# translate config "None" to None
width = config.get("Machine", "width")
height = config.get("Machine", "height")
if width == "None":
width = None
else:
width = int(width)
if height == "None":
height = None
else:
height = int(height)
number_of_boards = config.get("Machine", "number_of_boards")
if number_of_boards == "None":
number_of_boards = None
scamp_socket_addresses = config.get("Machine",
"scamp_connections_data")
if scamp_socket_addresses == "None":
scamp_socket_addresses = None
boot_port_num = config.get("Machine", "boot_connection_port_num")
if boot_port_num == "None":
boot_port_num = None
else:
boot_port_num = int(boot_port_num)
inputs.append({'type': "MemoryPartitionableGraph",
'value': self._partitionable_graph})
inputs.append({'type': 'ReportFolder',
'value': self._report_default_directory})
inputs.append({'type': "ApplicationDataFolder",
'value': self._app_data_runtime_folder})
inputs.append({'type': 'IPAddress', 'value': self._hostname})
# basic input stuff
inputs.append({'type': "BMPDetails",
'value': config.get("Machine", "bmp_names")})
inputs.append({'type': "DownedChipsDetails",
'value': config.get("Machine", "down_chips")})
inputs.append({'type': "DownedCoresDetails",
'value': config.get("Machine", "down_cores")})
inputs.append({'type': "BoardVersion",
'value': config.getint("Machine", "version")})
inputs.append({'type': "NumberOfBoards",
'value': number_of_boards})
inputs.append({'type': "MachineWidth", 'value': width})
inputs.append({'type': "MachineHeight", 'value': height})
inputs.append({'type': "AutoDetectBMPFlag",
'value': config.getboolean("Machine",
"auto_detect_bmp")})
inputs.append({'type': "EnableReinjectionFlag",
'value': config.getboolean("Machine",
"enable_reinjection")})
inputs.append({'type': "ScampConnectionData",
'value': scamp_socket_addresses})
inputs.append({'type': "BootPortNum", 'value': boot_port_num})
inputs.append({'type': "APPID", 'value': self._app_id})
inputs.append({'type': "RunTime", 'value': this_run_time})
inputs.append({'type': "TimeScaleFactor",
'value': self._time_scale_factor})
inputs.append({'type': "MachineTimeStep",
'value': self._machine_time_step})
inputs.append({'type': "DatabaseSocketAddresses",
'value': self._database_socket_addresses})
inputs.append({'type': "DatabaseWaitOnConfirmationFlag",
'value': config.getboolean(
"Database", "wait_on_confirmation")})
inputs.append({'type': "WriteCheckerFlag",
'value': config.getboolean(
"Mode", "verify_writes")})
inputs.append({'type': "WriteTextSpecsFlag",
'value': config.getboolean(
"Reports", "writeTextSpecs")})
inputs.append({'type': "ExecutableFinder",
'value': executable_finder})
inputs.append({'type': "MachineHasWrapAroundsFlag",
'value': config.getboolean(
"Machine", "requires_wrap_arounds")})
inputs.append({'type': "ReportStates",
'value': self._reports_states})
inputs.append({'type': "UserCreateDatabaseFlag",
'value': config.get("Database", "create_database")})
inputs.append({'type': "ExecuteMapping",
'value': config.getboolean(
"Database",
"create_routing_info_to_neuron_id_mapping")})
inputs.append({'type': "DatabaseSocketAddresses",
'value': self._database_socket_addresses})
inputs.append({'type': "SendStartNotifications",
'value': config.getboolean(
"Database", "send_start_notification")})
inputs.append({'type': "ProvenanceFilePath",
'value': provenance_file_path})
# add paths for each file based version
inputs.append({'type': "FileCoreAllocationsFilePath",
'value': os.path.join(
json_folder, "core_allocations.json")})
inputs.append({'type': "FileSDRAMAllocationsFilePath",
'value': os.path.join(
json_folder, "sdram_allocations.json")})
inputs.append({'type': "FileMachineFilePath",
'value': os.path.join(
json_folder, "machine.json")})
inputs.append({'type': "FilePartitionedGraphFilePath",
'value': os.path.join(
json_folder, "partitioned_graph.json")})
inputs.append({'type': "FilePlacementFilePath",
'value': os.path.join(
json_folder, "placements.json")})
inputs.append({'type': "FileRouingPathsFilePath",
'value': os.path.join(
json_folder, "routing_paths.json")})
inputs.append({'type': "FileConstraintsFilePath",
'value': os.path.join(
json_folder, "constraints.json")})
if self._has_ran:
logger.warn(
"The network has changed, and therefore mapping will be"
" done again. Any recorded data will be erased.")
else:
# mapping does not need to be executed, therefore add
# the data elements needed for the application runner and
# runtime re-setter
inputs.append({"type": "BufferManager",
"value": self._buffer_manager})
inputs.append({'type': "DatabaseWaitOnConfirmationFlag",
'value': config.getboolean(
"Database", "wait_on_confirmation")})
inputs.append({'type': "SendStartNotifications",
'value': config.getboolean(
"Database", "send_start_notification")})
inputs.append({'type': "DatabaseInterface",
'value': self._database_interface})
inputs.append({"type": "DatabaseSocketAddresses",
'value': self._database_socket_addresses})
inputs.append({'type': "DatabaseFilePath",
'value': self._database_file_path})
inputs.append({'type': "ExecutableTargets",
'value': self._executable_targets})
inputs.append({'type': "APPID", 'value': self._app_id})
inputs.append({"type": "MemoryTransciever", 'value': self._txrx})
inputs.append({"type": "RunTime",
'value': this_run_time})
inputs.append({'type': "TimeScaleFactor",
'value': self._time_scale_factor})
inputs.append({'type': "LoadedReverseIPTagsToken",
'value': True})
inputs.append({'type': "LoadedIPTagsToken", 'value': True})
inputs.append({'type': "LoadedRoutingTablesToken",
'value': True})
inputs.append({'type': "LoadBinariesToken", 'value': True})
inputs.append({'type': "LoadedApplicationDataToken",
'value': True})
inputs.append({'type': "MemoryPlacements",
'value': self._placements})
inputs.append({'type': "MemoryGraphMapper",
'value': self._graph_mapper})
inputs.append({'type': "MemoryPartitionableGraph",
'value': self._partitionable_graph})
inputs.append({'type': "MemoryExtendedMachine",
'value': self._machine})
inputs.append({'type': "MemoryRoutingTables",
'value': self._router_tables})
inputs.append({'type': "ProvenanceFilePath",
'value': provenance_file_path})
inputs.append({'type': "RanToken", 'value': self._has_ran})
return inputs, application_graph_changed
def _calculate_number_of_machine_time_steps(self, next_run_time):
total_run_time = next_run_time
if next_run_time is not None:
total_run_time += self._current_run_ms
machine_time_steps = (
(total_run_time * 1000.0) / self._machine_time_step)
if machine_time_steps != int(machine_time_steps):
logger.warn(
"The runtime and machine time step combination result in "
"a fractional number of machine time steps")
self._no_machine_time_steps = int(math.ceil(machine_time_steps))
else:
self._no_machine_time_steps = None
for vertex in self._partitionable_graph.vertices:
if ((isinstance(vertex, AbstractSpikeRecordable) and
vertex.is_recording_spikes()) or
(isinstance(vertex, AbstractVRecordable) and
vertex.is_recording_v()) or
(isinstance(vertex, AbstractGSynRecordable) and
vertex.is_recording_gsyn)):
raise common_exceptions.ConfigurationException(
"recording a population when set to infinite runtime "
"is not currently supported")
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractDataSpecableVertex):
vertex.set_no_machine_time_steps(self._no_machine_time_steps)
return total_run_time
def _detect_if_graph_has_changed(self, reset_flags=True):
""" Iterates though the graph and looks changes
"""
changed = False
for population in self._populations:
if population.requires_mapping:
changed = True
if reset_flags:
population.mark_no_changes()
for projection in self._projections:
if projection.requires_mapping:
changed = True
if reset_flags:
projection.mark_no_changes()
return changed
@property
def app_id(self):
"""
:return:
"""
return self._app_id
@property
def has_ran(self):
"""
:return:
"""
return self._has_ran
@property
def machine_time_step(self):
"""
:return:
"""
return self._machine_time_step
@property
def no_machine_time_steps(self):
"""
:return:
"""
return self._no_machine_time_steps
@property
def timescale_factor(self):
"""
:return:
"""
return self._time_scale_factor
@property
def spikes_per_second(self):
"""
:return:
"""
return self._spikes_per_second
@property
def ring_buffer_sigma(self):
"""
:return:
"""
return self._ring_buffer_sigma
@property
def get_multi_cast_source(self):
"""
:return:
"""
return self._multi_cast_vertex
@property
def partitioned_graph(self):
"""
:return:
"""
return self._partitioned_graph
@property
def partitionable_graph(self):
"""
:return:
"""
return self._partitionable_graph
@property
def placements(self):
"""
:return:
"""
return self._placements
@property
def transceiver(self):
"""
:return:
"""
return self._txrx
@property
def graph_mapper(self):
"""
:return:
"""
return self._graph_mapper
@property
def routing_infos(self):
"""
:return:
"""
return self._routing_infos
@property
def min_supported_delay(self):
"""
the min supported delay based in milliseconds
:return:
"""
return self._min_supported_delay
@property
def max_supported_delay(self):
"""
the max supported delay based in milliseconds
:return:
"""
return self._max_supported_delay
@property
def buffer_manager(self):
return self._buffer_manager
def set_app_id(self, value):
"""
:param value:
:return:
"""
self._app_id = value
def get_current_time(self):
"""
:return:
"""
if self._has_ran:
return float(self._current_run_ms)
return 0.0
def __repr__(self):
return "Spinnaker object for machine {}".format(self._hostname)
def add_vertex(self, vertex_to_add):
"""
:param vertex_to_add:
:return:
"""
if isinstance(vertex_to_add, CommandSender):
self._multi_cast_vertex = vertex_to_add
self._partitionable_graph.add_vertex(vertex_to_add)
if isinstance(vertex_to_add, AbstractSendMeMulticastCommandsVertex):
if self._multi_cast_vertex is None:
self._multi_cast_vertex = CommandSender(
self._machine_time_step, self._time_scale_factor)
self.add_vertex(self._multi_cast_vertex)
edge = MultiCastPartitionableEdge(
self._multi_cast_vertex, vertex_to_add)
self._multi_cast_vertex.add_commands(vertex_to_add.commands, edge)
self.add_edge(edge)
# add any dependent edges and vertices if needed
if isinstance(vertex_to_add,
AbstractVertexWithEdgeToDependentVertices):
for dependant_vertex in vertex_to_add.dependent_vertices:
self.add_vertex(dependant_vertex)
dependant_edge = MultiCastPartitionableEdge(
pre_vertex=vertex_to_add, post_vertex=dependant_vertex)
self.add_edge(
dependant_edge,
vertex_to_add.edge_partition_identifier_for_dependent_edge)
def add_edge(self, edge_to_add, partition_identifier=None):
"""
:param edge_to_add:
:param partition_identifier: the partition identifier for the outgoing\
edge partition
:return:
"""
self._partitionable_graph.add_edge(edge_to_add, partition_identifier)
def create_population(self, size, cellclass, cellparams, structure, label):
"""
:param size:
:param cellclass:
:param cellparams:
:param structure:
:param label:
:return:
"""
return Population(
size=size, cellclass=cellclass, cellparams=cellparams,
structure=structure, label=label, spinnaker=self)
def _add_population(self, population):
""" Called by each population to add itself to the list
"""
self._populations.append(population)
def _add_projection(self, projection):
""" called by each projection to add itself to the list
:param projection:
:return:
"""
self._projections.append(projection)
def create_projection(
self, presynaptic_population, postsynaptic_population, connector,
source, target, synapse_dynamics, label, rng):
"""
:param presynaptic_population:
:param postsynaptic_population:
:param connector:
:param source:
:param target:
:param synapse_dynamics:
:param label:
:param rng:
:return:
"""
if label is None:
label = "Projection {}".format(self._edge_count)
self._edge_count += 1
return Projection(
presynaptic_population=presynaptic_population, label=label,
postsynaptic_population=postsynaptic_population, rng=rng,
connector=connector, source=source, target=target,
synapse_dynamics=synapse_dynamics, spinnaker_control=self,
machine_time_step=self._machine_time_step,
timescale_factor=self._time_scale_factor,
user_max_delay=self.max_supported_delay)
def stop(self, turn_off_machine=None, clear_routing_tables=None,
clear_tags=None):
"""
:param turn_off_machine: decides if the machine should be powered down\
after running the execution. Note that this powers down all boards\
connected to the BMP connections given to the transceiver
:type turn_off_machine: bool
:param clear_routing_tables: informs the tool chain if it\
should turn off the clearing of the routing tables
:type clear_routing_tables: bool
:param clear_tags: informs the tool chain if it should clear the tags\
off the machine at stop
:type clear_tags: boolean
:return: None
"""
for population in self._populations:
population._end()
# if not a virtual machine, then shut down stuff on the board
if not config.getboolean("Machine", "virtual_board"):
if turn_off_machine is None:
turn_off_machine = \
config.getboolean("Machine", "turn_off_machine")
if clear_routing_tables is None:
clear_routing_tables = config.getboolean(
"Machine", "clear_routing_tables")
if clear_tags is None:
clear_tags = config.getboolean("Machine", "clear_tags")
# if stopping on machine, clear iptags and
if clear_tags:
for ip_tag in self._tags.ip_tags:
self._txrx.clear_ip_tag(
ip_tag.tag, board_address=ip_tag.board_address)
for reverse_ip_tag in self._tags.reverse_ip_tags:
self._txrx.clear_ip_tag(
reverse_ip_tag.tag,
board_address=reverse_ip_tag.board_address)
# if clearing routing table entries, clear
if clear_routing_tables:
for router_table in self._router_tables.routing_tables:
if not self._machine.get_chip_at(router_table.x,
router_table.y).virtual:
self._txrx.clear_multicast_routes(router_table.x,
router_table.y)
# clear values
self._no_sync_changes = 0
# app stop command
self._txrx.stop_application(self._app_id)
if self._create_database:
self._database_interface.stop()
self._buffer_manager.stop()
# stop the transceiver
if turn_off_machine:
logger.info("Turning off machine")
self._txrx.close(power_off_machine=turn_off_machine)
def _add_socket_address(self, socket_address):
"""
:param socket_address:
:return:
"""
self._database_socket_addresses.add(socket_address)
class Spinnaker(SpinnakerMainInterface):
"""
Spinnaker: the main entrance for the spynnaker front end
"""
def __init__(self,
host_name=None,
timestep=None,
min_delay=None,
max_delay=None,
graph_label=None,
database_socket_addresses=None,
n_chips_required=None):
# Determine default executable folder location
# and add this default to end of list of search paths
executable_finder.add_path(os.path.dirname(model_binaries.__file__))
# population holders
self._populations = list()
self._projections = list()
self._multi_cast_vertex = None
self._edge_count = 0
self._live_spike_recorder = dict()
# create xml path for where to locate spynnaker related functions when
# using auto pause and resume
extra_algorithm_xml_path = list()
extra_algorithm_xml_path.append(
os.path.join(os.path.dirname(overridden_pacman_functions.__file__),
"algorithms_metadata.xml"))
extra_mapping_inputs = dict()
extra_mapping_inputs['CreateAtomToEventIdMapping'] = config.getboolean(
"Database", "create_routing_info_to_neuron_id_mapping")
SpinnakerMainInterface.__init__(
self,
config,
graph_label=graph_label,
executable_finder=executable_finder,
database_socket_addresses=database_socket_addresses,
extra_algorithm_xml_paths=extra_algorithm_xml_path,
extra_mapping_inputs=extra_mapping_inputs,
n_chips_required=n_chips_required)
# timing parameters
self._min_supported_delay = None
self._max_supported_delay = None
self._time_scale_factor = None
# set up machine targeted data
self._set_up_timings(timestep, min_delay, max_delay)
self.set_up_machine_specifics(host_name)
logger.info("Setting time scale factor to {}.".format(
self._time_scale_factor))
# get the machine time step
logger.info("Setting machine time step to {} micro-seconds.".format(
self._machine_time_step))
def _set_up_timings(self, timestep, min_delay, max_delay):
self._machine_time_step = config.getint("Machine", "machineTimeStep")
# deal with params allowed via the setup options
if timestep is not None:
# convert into milliseconds from microseconds
timestep *= 1000
self._machine_time_step = timestep
if min_delay is not None and float(min_delay * 1000) < 1.0 * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support min delays below {} ms with the "
"current machine time step".format(
constants.MIN_SUPPORTED_DELAY * timestep))
natively_supported_delay_for_models = \
constants.MAX_SUPPORTED_DELAY_TICS
delay_extension_max_supported_delay = \
constants.MAX_DELAY_BLOCKS \
* constants.MAX_TIMER_TICS_SUPPORTED_PER_BLOCK
max_delay_tics_supported = \
natively_supported_delay_for_models + \
delay_extension_max_supported_delay
if max_delay is not None\
and float(max_delay * 1000) > max_delay_tics_supported * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support max delays above {} ms with the "
"current machine time step".format(0.144 * timestep))
if min_delay is not None:
self._min_supported_delay = min_delay
else:
self._min_supported_delay = timestep / 1000.0
if max_delay is not None:
self._max_supported_delay = max_delay
else:
self._max_supported_delay = (max_delay_tics_supported *
(timestep / 1000.0))
if (config.has_option("Machine", "timeScaleFactor")
and config.get("Machine", "timeScaleFactor") != "None"):
self._time_scale_factor = \
config.getint("Machine", "timeScaleFactor")
if timestep * self._time_scale_factor < 1000:
if config.getboolean("Mode",
"violate_1ms_wall_clock_restriction"):
logger.warn(
"****************************************************")
logger.warn(
"*** The combination of simulation time step and ***")
logger.warn(
"*** the machine time scale factor results in a ***")
logger.warn(
"*** wall clock timer tick that is currently not ***")
logger.warn(
"*** reliably supported by the spinnaker machine. ***")
logger.warn(
"****************************************************")
else:
raise common_exceptions.ConfigurationException(
"The combination of simulation time step and the"
" machine time scale factor results in a wall clock "
"timer tick that is currently not reliably supported "
"by the spinnaker machine. If you would like to "
"override this behaviour (at your own risk), please "
"add violate_1ms_wall_clock_restriction = True to the "
"[Mode] section of your .spynnaker.cfg file")
else:
self._time_scale_factor = max(1,
math.ceil(1000.0 / float(timestep)))
if self._time_scale_factor > 1:
logger.warn(
"A timestep was entered that has forced sPyNNaker "
"to automatically slow the simulation down from "
"real time by a factor of {}. To remove this "
"automatic behaviour, please enter a "
"timescaleFactor value in your .spynnaker.cfg".format(
self._time_scale_factor))
def _detect_if_graph_has_changed(self, reset_flags=True):
""" Iterates though the graph and looks changes
"""
changed = False
for population in self._populations:
if population.requires_mapping:
changed = True
if reset_flags:
population.mark_no_changes()
for projection in self._projections:
if projection.requires_mapping:
changed = True
if reset_flags:
projection.mark_no_changes()
return changed
@property
def min_supported_delay(self):
""" The minimum supported delay based in milliseconds
"""
return self._min_supported_delay
@property
def max_supported_delay(self):
""" The maximum supported delay based in milliseconds
"""
return self._max_supported_delay
def add_partitionable_vertex(self, vertex_to_add):
"""
:param vertex_to_add:
:return:
"""
if isinstance(vertex_to_add, CommandSender):
self._multi_cast_vertex = vertex_to_add
self._partitionable_graph.add_vertex(vertex_to_add)
if isinstance(vertex_to_add, AbstractSendMeMulticastCommandsVertex):
if self._multi_cast_vertex is None:
self._multi_cast_vertex = CommandSender(
self._machine_time_step, self._time_scale_factor)
self.add_partitionable_vertex(self._multi_cast_vertex)
edge = MultiCastPartitionableEdge(self._multi_cast_vertex,
vertex_to_add)
self._multi_cast_vertex.add_commands(vertex_to_add.commands, edge)
self.add_partitionable_edge(edge)
# add any dependent edges and vertices if needed
if isinstance(vertex_to_add,
AbstractVertexWithEdgeToDependentVertices):
for dependant_vertex in vertex_to_add.dependent_vertices:
self.add_partitionable_vertex(dependant_vertex)
dependant_edge = MultiCastPartitionableEdge(
pre_vertex=vertex_to_add, post_vertex=dependant_vertex)
self.add_partitionable_edge(
dependant_edge,
vertex_to_add.edge_partition_identifier_for_dependent_edge)
def create_population(self, size, cellclass, cellparams, structure, label):
"""
:param size:
:param cellclass:
:param cellparams:
:param structure:
:param label:
:return:
"""
return Population(size=size,
cellclass=cellclass,
cellparams=cellparams,
structure=structure,
label=label,
spinnaker=self)
def _add_population(self, population):
""" Called by each population to add itself to the list
"""
self._populations.append(population)
def _add_projection(self, projection):
""" Called by each projection to add itself to the list
"""
self._projections.append(projection)
def create_projection(self, presynaptic_population,
postsynaptic_population, connector, source, target,
synapse_dynamics, label, rng):
"""
:param presynaptic_population: source pop this projection goes from
:param postsynaptic_population: dest pop this projection goes to
:param connector: the definition of which neurons connect to each other
:param source:
:param target: type of projection
:param synapse_dynamics: plasticity object
:param label: human readable version of the projection
:param rng: the random number generator to use on this projection
:return:
"""
if label is None:
label = "Projection {}".format(self._edge_count)
self._edge_count += 1
return Projection(presynaptic_population=presynaptic_population,
label=label,
postsynaptic_population=postsynaptic_population,
rng=rng,
connector=connector,
source=source,
target=target,
synapse_dynamics=synapse_dynamics,
spinnaker_control=self,
machine_time_step=self._machine_time_step,
timescale_factor=self._time_scale_factor,
user_max_delay=self.max_supported_delay)
def stop(self,
turn_off_machine=None,
clear_routing_tables=None,
clear_tags=None,
extract_provenance_data=True,
extract_iobuf=True):
"""
:param turn_off_machine: decides if the machine should be powered down\
after running the execution. Note that this powers down all boards\
connected to the BMP connections given to the transceiver
:type turn_off_machine: bool
:param clear_routing_tables: informs the tool chain if it\
should turn off the clearing of the routing tables
:type clear_routing_tables: bool
:param clear_tags: informs the tool chain if it should clear the tags\
off the machine at stop
:type clear_tags: boolean
:param extract_provenance_data: informs the tools if it should \
try to extract provenance data.
:type extract_provenance_data: bool
:param extract_iobuf: tells the tools if it should try to \
extract iobuf
:type extract_iobuf: bool
:return: None
"""
for population in self._populations:
population._end()
SpinnakerMainInterface.stop(self, turn_off_machine,
clear_routing_tables, clear_tags,
extract_provenance_data, extract_iobuf)
def run(self, run_time):
""" Run the model created
:param run_time: the time in ms to run the simulation for
"""
# extra post run algorithms
self._dsg_algorithm = "SpynnakerDataSpecificationWriter"
SpinnakerMainInterface.run(self, run_time)
class Spinnaker(object):
def __init__(self, host_name=None, timestep=None, min_delay=None,
max_delay=None, graph_label=None,
database_socket_addresses=None):
self._hostname = host_name
# update graph label if needed
if graph_label is None:
graph_label = "Application_graph"
# delays parameters
self._min_supported_delay = None
self._max_supported_delay = None
# pacman objects
self._partitionable_graph = PartitionableGraph(label=graph_label)
self._partitioned_graph = None
self._graph_mapper = None
self._placements = None
self._router_tables = None
self._routing_infos = None
self._tags = None
self._machine = None
self._txrx = None
self._has_ran = False
self._reports_states = None
self._app_id = None
self._runtime = None
# database objects
self._database_socket_addresses = set()
if database_socket_addresses is not None:
self._database_socket_addresses.union(database_socket_addresses)
self._database_interface = None
self._create_database = None
# Determine default executable folder location
# and add this default to end of list of search paths
executable_finder.add_path(os.path.dirname(model_binaries.__file__))
# population holders
self._populations = list()
self._multi_cast_vertex = None
self._edge_count = 0
# specific utility vertexes
self._live_spike_recorder = dict()
# holder for number of times the timer event should execute for the
# simulation
self._no_machine_time_steps = None
self._machine_time_step = None
# state thats needed the first time around
if self._app_id is None:
self._app_id = config.getint("Machine", "appID")
if config.getboolean("Reports", "reportsEnabled"):
self._reports_states = ReportState(
config.getboolean("Reports", "writePartitionerReports"),
config.getboolean("Reports",
"writePlacerReportWithPartitionable"),
config.getboolean("Reports",
"writePlacerReportWithoutPartitionable"),
config.getboolean("Reports", "writeRouterReports"),
config.getboolean("Reports", "writeRouterInfoReport"),
config.getboolean("Reports", "writeTextSpecs"),
config.getboolean("Reports", "writeReloadSteps"),
config.getboolean("Reports", "writeTransceiverReport"),
config.getboolean("Reports", "outputTimesForSections"),
config.getboolean("Reports", "writeTagAllocationReports"))
# set up reports default folder
self._report_default_directory, this_run_time_string = \
helpful_functions.set_up_report_specifics(
default_report_file_path=config.get(
"Reports", "defaultReportFilePath"),
max_reports_kept=config.getint(
"Reports", "max_reports_kept"),
app_id=self._app_id)
# set up application report folder
self._app_data_runtime_folder = \
helpful_functions.set_up_output_application_data_specifics(
max_application_binaries_kept=config.getint(
"Reports", "max_application_binaries_kept"),
where_to_write_application_data_files=config.get(
"Reports", "defaultApplicationDataFilePath"),
app_id=self._app_id,
this_run_time_string=this_run_time_string)
self._spikes_per_second = float(config.getfloat(
"Simulation", "spikes_per_second"))
self._ring_buffer_sigma = float(config.getfloat(
"Simulation", "ring_buffer_sigma"))
# set up machine targeted data
self._set_up_machine_specifics(timestep, min_delay, max_delay,
host_name)
logger.info("Setting time scale factor to {}."
.format(self._time_scale_factor))
logger.info("Setting appID to %d." % self._app_id)
# get the machine time step
logger.info("Setting machine time step to {} micro-seconds."
.format(self._machine_time_step))
def _set_up_machine_specifics(self, timestep, min_delay, max_delay,
hostname):
self._machine_time_step = config.getint("Machine", "machineTimeStep")
# deal with params allowed via the setup options
if timestep is not None:
# convert into milliseconds from microseconds
timestep *= 1000
self._machine_time_step = timestep
if min_delay is not None and float(min_delay * 1000) < 1.0 * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support min delays below {} ms with the "
"current machine time step"
.format(constants.MIN_SUPPORTED_DELAY * timestep))
natively_supported_delay_for_models = \
constants.MAX_SUPPORTED_DELAY_TICS
delay_extention_max_supported_delay = \
constants.MAX_DELAY_BLOCKS \
* constants.MAX_TIMER_TICS_SUPPORTED_PER_BLOCK
max_delay_tics_supported = \
natively_supported_delay_for_models + \
delay_extention_max_supported_delay
if max_delay is not None\
and float(max_delay * 1000) > max_delay_tics_supported * timestep:
raise common_exceptions.ConfigurationException(
"Pacman does not support max delays above {} ms with the "
"current machine time step".format(0.144 * timestep))
if min_delay is not None:
self._min_supported_delay = min_delay
else:
self._min_supported_delay = timestep / 1000.0
if max_delay is not None:
self._max_supported_delay = max_delay
else:
self._max_supported_delay = (max_delay_tics_supported *
(timestep / 1000.0))
if (config.has_option("Machine", "timeScaleFactor") and
config.get("Machine", "timeScaleFactor") != "None"):
self._time_scale_factor = \
config.getint("Machine", "timeScaleFactor")
if timestep * self._time_scale_factor < 1000:
logger.warn("the combination of machine time step and the "
"machine time scale factor results in a real "
"timer tick that is currently not reliably "
"supported by the spinnaker machine.")
else:
self._time_scale_factor = max(1,
math.ceil(1000.0 / float(timestep)))
if self._time_scale_factor > 1:
logger.warn("A timestep was entered that has forced pacman103 "
"to automatically slow the simulation down from "
"real time by a factor of {}. To remove this "
"automatic behaviour, please enter a "
"timescaleFactor value in your .pacman.cfg"
.format(self._time_scale_factor))
if hostname is not None:
self._hostname = hostname
logger.warn("The machine name from PYNN setup is overriding the "
"machine name defined in the spynnaker.cfg file")
elif config.has_option("Machine", "machineName"):
self._hostname = config.get("Machine", "machineName")
else:
raise Exception("A SpiNNaker machine must be specified in "
"spynnaker.cfg.")
use_virtual_board = config.getboolean("Machine", "virtual_board")
if self._hostname == 'None' and not use_virtual_board:
raise Exception("A SpiNNaker machine must be specified in "
"spynnaker.cfg.")
def run(self, run_time):
"""
:param run_time:
:return:
"""
# calculate number of machine time steps
self._calculate_number_of_machine_time_steps(run_time)
self._runtime = run_time
xml_paths = self._create_xml_paths()
inputs = self._create_pacman_executor_inputs()
required_outputs = self._create_pacman_executor_outputs()
algorithms = self._create_algorithm_list(
config.get("Mode", "mode") == "Debug")
pacman_exeuctor = helpful_functions.do_mapping(
inputs, algorithms, required_outputs, xml_paths,
config.getboolean("Reports", "outputTimesForSections"))
# gather provenance data from the executor itself if needed
if config.get("Reports", "writeProvanceData"):
pacman_executor_file_path = os.path.join(
pacman_exeuctor.get_item("ProvenanceFilePath"),
"PACMAN_provancence_data.xml")
pacman_exeuctor.write_provenance_data_in_xml(
pacman_executor_file_path,
pacman_exeuctor.get_item("MemoryTransciever"))
# sort out outputs data
self._txrx = pacman_exeuctor.get_item("MemoryTransciever")
self._placements = pacman_exeuctor.get_item("MemoryPlacements")
self._router_tables = pacman_exeuctor.get_item("MemoryRoutingTables")
self._routing_infos = pacman_exeuctor.get_item("MemoryRoutingInfos")
self._tags = pacman_exeuctor.get_item("MemoryTags")
self._graph_mapper = pacman_exeuctor.get_item("MemoryGraphMapper")
self._partitioned_graph = pacman_exeuctor.get_item(
"MemoryPartitionedGraph")
self._machine = pacman_exeuctor.get_item("MemoryMachine")
self._database_interface = pacman_exeuctor.get_item(
"DatabaseInterface")
self._has_ran = pacman_exeuctor.get_item("RanToken")
@staticmethod
def _create_xml_paths():
# add the extra xml files from the config file
xml_paths = config.get("Mapping", "extra_xmls_paths")
if xml_paths == "None":
xml_paths = list()
else:
xml_paths = xml_paths.split(",")
# add extra xml paths for pynn algorithms
xml_paths.append(
os.path.join(os.path.dirname(overridden_pacman_functions.__file__),
"algorithms_metadata.xml"))
xml_paths.append(os.path.join(os.path.dirname(
pacman_algorithm_reports.__file__), "reports_metadata.xml"))
return xml_paths
def _create_algorithm_list(self, in_debug_mode):
algorithms = ""
algorithms += (config.get("Mapping", "algorithms") + "," +
config.get("Mapping", "interface_algorithms"))
# if using virtual machine, add to list of algorithms the virtual
# machine generator, otherwise add the standard machine generator
if config.getboolean("Machine", "virtual_board"):
algorithms += ",FrontEndCommonVirtualMachineInterfacer"
else:
algorithms += ",FrontEndCommonMachineInterfacer"
algorithms += ",FrontEndCommonApplicationRunner"
# if going to write provenance data after the run add the two
# provenance gatherers
if config.get("Reports", "writeProvanceData"):
algorithms += ",FrontEndCommonProvenanceGatherer"
# if the end user wants reload script, add the reload script
# creator to the list
if config.getboolean("Reports", "writeReloadSteps"):
algorithms += ",FrontEndCommonReloadScriptCreator"
if config.getboolean("Reports", "writeMemoryMapReport"):
algorithms += ",FrontEndCommonMemoryMapReport"
if config.getboolean("Reports", "writeNetworkSpecificationReport"):
algorithms += \
",FrontEndCommonNetworkSpecificationPartitionableReport"
# define mapping between output types and reports
if self._reports_states is not None \
and self._reports_states.tag_allocation_report:
algorithms += ",TagReport"
if self._reports_states is not None \
and self._reports_states.routing_info_report:
algorithms += ",routingInfoReports"
if self._reports_states is not None \
and self._reports_states.router_report:
algorithms += ",RouterReports"
if self._reports_states is not None \
and self._reports_states.partitioner_report:
algorithms += ",PartitionerReport"
if (self._reports_states is not None and
self._reports_states.placer_report_with_partitionable_graph):
algorithms += ",PlacerReportWithPartitionableGraph"
if (self._reports_states is not None and
self._reports_states
.placer_report_without_partitionable_graph):
algorithms += ",PlacerReportWithoutPartitionableGraph"
# add debug algorithms if needed
if in_debug_mode:
algorithms += ",ValidRoutesChecker"
return algorithms
@staticmethod
def _create_pacman_executor_outputs():
# explicitly define what outputs spynnaker expects
required_outputs = list()
if config.getboolean("Machine", "virtual_board"):
required_outputs.extend([
"MemoryPlacements", "MemoryRoutingTables",
"MemoryRoutingInfos", "MemoryTags", "MemoryPartitionedGraph",
"MemoryGraphMapper"])
else:
required_outputs.append("RanToken")
# if front end wants reload script, add requires reload token
if config.getboolean("Reports", "writeReloadSteps"):
required_outputs.append("ReloadToken")
return required_outputs
def _create_pacman_executor_inputs(self):
# make a folder for the json files to be stored in
json_folder = os.path.join(
self._report_default_directory, "json_files")
if not os.path.exists(json_folder):
os.mkdir(json_folder)
# file path to store any provenance data to
provenance_file_path = os.path.join(self._report_default_directory,
"provance_data")
if not os.path.exists(provenance_file_path):
os.mkdir(provenance_file_path)
# translate config "None" to None
width = config.get("Machine", "width")
height = config.get("Machine", "height")
if width == "None":
width = None
else:
width = int(width)
if height == "None":
height = None
else:
height = int(height)
number_of_boards = config.get("Machine", "number_of_boards")
if number_of_boards == "None":
number_of_boards = None
scamp_socket_addresses = config.get(
"Machine", "scamp_connections_data")
if scamp_socket_addresses == "None":
scamp_socket_addresses = None
boot_port_num = config.get("Machine", "boot_connection_port_num")
if boot_port_num == "None":
boot_port_num = None
else:
boot_port_num = int(boot_port_num)
inputs = list()
inputs.append({'type': "MemoryPartitionableGraph",
'value': self._partitionable_graph})
inputs.append({'type': 'ReportFolder',
'value': self._report_default_directory})
inputs.append({'type': "ApplicationDataFolder",
'value': self._app_data_runtime_folder})
inputs.append({'type': 'IPAddress', 'value': self._hostname})
# basic input stuff
inputs.append({'type': "BMPDetails",
'value': config.get("Machine", "bmp_names")})
inputs.append({'type': "DownedChipsDetails",
'value': config.get("Machine", "down_chips")})
inputs.append({'type': "DownedCoresDetails",
'value': config.get("Machine", "down_cores")})
inputs.append({'type': "BoardVersion",
'value': config.getint("Machine", "version")})
inputs.append({'type': "NumberOfBoards", 'value': number_of_boards})
inputs.append({'type': "MachineWidth", 'value': width})
inputs.append({'type': "MachineHeight", 'value': height})
inputs.append({'type': "AutoDetectBMPFlag",
'value': config.getboolean("Machine",
"auto_detect_bmp")})
inputs.append({'type': "EnableReinjectionFlag",
'value': config.getboolean("Machine",
"enable_reinjection")})
inputs.append({'type': "ScampConnectionData",
'value': scamp_socket_addresses})
inputs.append({'type': "BootPortNum", 'value': boot_port_num})
inputs.append({'type': "APPID", 'value': self._app_id})
inputs.append({'type': "RunTime", 'value': self._runtime})
inputs.append({'type': "TimeScaleFactor",
'value': self._time_scale_factor})
inputs.append({'type': "MachineTimeStep",
'value': self._machine_time_step})
inputs.append({'type': "DatabaseSocketAddresses",
'value': self._database_socket_addresses})
inputs.append({'type': "DatabaseWaitOnConfirmationFlag",
'value': config.getboolean("Database",
"wait_on_confirmation")})
inputs.append({'type': "WriteCheckerFlag",
'value': config.getboolean("Mode", "verify_writes")})
inputs.append({'type': "WriteTextSpecsFlag",
'value': config.getboolean("Reports",
"writeTextSpecs")})
inputs.append({'type': "ExecutableFinder", 'value': executable_finder})
inputs.append({'type': "MachineHasWrapAroundsFlag",
'value': config.getboolean("Machine",
"requires_wrap_arounds")})
inputs.append({'type': "ReportStates", 'value': self._reports_states})
inputs.append({'type': "UserCreateDatabaseFlag",
'value': config.get("Database", "create_database")})
inputs.append({'type': "ExecuteMapping",
'value': config.getboolean(
"Database",
"create_routing_info_to_neuron_id_mapping")})
inputs.append({'type': "DatabaseSocketAddresses",
'value': self._database_socket_addresses})
inputs.append({'type': "SendStartNotifications",
'value': config.getboolean("Database",
"send_start_notification")})
inputs.append({'type': "ProvenanceFilePath",
'value': provenance_file_path})
# add paths for each file based version
inputs.append({'type': "FileCoreAllocationsFilePath",
'value': os.path.join(
json_folder, "core_allocations.json")})
inputs.append({'type': "FileSDRAMAllocationsFilePath",
'value': os.path.join(
json_folder, "sdram_allocations.json")})
inputs.append({'type': "FileMachineFilePath",
'value': os.path.join(
json_folder, "machine.json")})
inputs.append({'type': "FilePartitionedGraphFilePath",
'value': os.path.join(
json_folder, "partitioned_graph.json")})
inputs.append({'type': "FilePlacementFilePath",
'value': os.path.join(
json_folder, "placements.json")})
inputs.append({'type': "FileRouingPathsFilePath",
'value': os.path.join(
json_folder, "routing_paths.json")})
inputs.append({'type': "FileConstraintsFilePath",
'value': os.path.join(
json_folder, "constraints.json")})
return inputs
def _calculate_number_of_machine_time_steps(self, run_time):
if run_time is not None:
self._no_machine_time_steps =\
int((run_time * 1000.0) / self._machine_time_step)
ceiled_machine_time_steps = \
math.ceil((run_time * 1000.0) / self._machine_time_step)
if self._no_machine_time_steps != ceiled_machine_time_steps:
logger.warn(
"The runtime and machine time step combination result in "
"a fractional number of machine time steps")
self._no_machine_time_steps = int(ceiled_machine_time_steps)
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractDataSpecableVertex):
vertex.set_no_machine_time_steps(
self._no_machine_time_steps)
else:
self._no_machine_time_steps = None
logger.warn("You have set a runtime that will never end, this may"
"cause the neural models to fail to partition "
"correctly")
for vertex in self._partitionable_graph.vertices:
if ((isinstance(vertex, AbstractSpikeRecordable) and
vertex.is_recording_spikes()) or
(isinstance(vertex, AbstractVRecordable) and
vertex.is_recording_v()) or
(isinstance(vertex, AbstractGSynRecordable) and
vertex.is_recording_gsyn)):
raise common_exceptions.ConfigurationException(
"recording a population when set to infinite runtime "
"is not currently supportable in this tool chain."
"watch this space")
@property
def app_id(self):
"""
:return:
"""
return self._app_id
@property
def has_ran(self):
"""
:return:
"""
return self._has_ran
@property
def machine_time_step(self):
"""
:return:
"""
return self._machine_time_step
@property
def no_machine_time_steps(self):
"""
:return:
"""
return self._no_machine_time_steps
@property
def timescale_factor(self):
"""
:return:
"""
return self._time_scale_factor
@property
def spikes_per_second(self):
"""
:return:
"""
return self._spikes_per_second
@property
def ring_buffer_sigma(self):
"""
:return:
"""
return self._ring_buffer_sigma
@property
def get_multi_cast_source(self):
"""
:return:
"""
return self._multi_cast_vertex
@property
def partitioned_graph(self):
"""
:return:
"""
return self._partitioned_graph
@property
def partitionable_graph(self):
"""
:return:
"""
return self._partitionable_graph
@property
def placements(self):
"""
:return:
"""
return self._placements
@property
def transceiver(self):
"""
:return:
"""
return self._txrx
@property
def graph_mapper(self):
"""
:return:
"""
return self._graph_mapper
@property
def routing_infos(self):
"""
:return:
"""
return self._routing_infos
@property
def min_supported_delay(self):
""" The minimum supported delay based in milliseconds
:return:
"""
return self._min_supported_delay
@property
def max_supported_delay(self):
""" The maximum supported delay based in milliseconds
:return:
"""
return self._max_supported_delay
def set_app_id(self, value):
"""
:param value:
:return:
"""
self._app_id = value
def get_current_time(self):
"""
:return:
"""
if self._has_ran:
return float(self._runtime)
return 0.0
def __repr__(self):
return "Spinnaker object for machine {}".format(self._hostname)
def add_vertex(self, vertex_to_add):
"""
:param vertex_to_add:
:return:
"""
if isinstance(vertex_to_add, CommandSender):
self._multi_cast_vertex = vertex_to_add
self._partitionable_graph.add_vertex(vertex_to_add)
if isinstance(vertex_to_add, AbstractSendMeMulticastCommandsVertex):
if self._multi_cast_vertex is None:
self._multi_cast_vertex = CommandSender(
self._machine_time_step, self._time_scale_factor)
self.add_vertex(self._multi_cast_vertex)
edge = MultiCastPartitionableEdge(
self._multi_cast_vertex, vertex_to_add)
self._multi_cast_vertex.add_commands(vertex_to_add.commands, edge)
self.add_edge(edge)
# add any dependent edges and vertices if needed
if isinstance(vertex_to_add,
AbstractVertexWithEdgeToDependentVertices):
for dependant_vertex in vertex_to_add.dependent_vertices:
self.add_vertex(dependant_vertex)
dependant_edge = MultiCastPartitionableEdge(
pre_vertex=vertex_to_add, post_vertex=dependant_vertex)
self.add_edge(
dependant_edge,
vertex_to_add.edge_partition_identifier_for_dependent_edge)
def add_edge(self, edge_to_add, partition_identifier=None):
"""
:param edge_to_add:
:param partition_identifier: the partition identifier for the outgoing\
edge partition
:return:
"""
self._partitionable_graph.add_edge(edge_to_add, partition_identifier)
def create_population(self, size, cellclass, cellparams, structure, label):
"""
:param size:
:param cellclass:
:param cellparams:
:param structure:
:param label:
:return:
"""
return Population(
size=size, cellclass=cellclass, cellparams=cellparams,
structure=structure, label=label, spinnaker=self)
def _add_population(self, population):
""" Called by each population to add itself to the list
"""
self._populations.append(population)
def create_projection(
self, presynaptic_population, postsynaptic_population, connector,
source, target, synapse_dynamics, label, rng):
"""
:param presynaptic_population:
:param postsynaptic_population:
:param connector:
:param source:
:param target:
:param synapse_dynamics:
:param label:
:param rng:
:return:
"""
if label is None:
label = "Projection {}".format(self._edge_count)
self._edge_count += 1
return Projection(
presynaptic_population=presynaptic_population, label=label,
postsynaptic_population=postsynaptic_population, rng=rng,
connector=connector, source=source, target=target,
synapse_dynamics=synapse_dynamics, spinnaker_control=self,
machine_time_step=self._machine_time_step,
timescale_factor=self._time_scale_factor,
user_max_delay=self.max_supported_delay)
def stop(self, turn_off_machine=None, clear_routing_tables=None,
clear_tags=None):
"""
:param turn_off_machine: decides if the machine should be powered down\
after running the execution. Note that this powers down all boards\
connected to the BMP connections given to the transceiver
:type turn_off_machine: bool
:param clear_routing_tables: informs the tool chain if it\
should turn off the clearing of the routing tables
:type clear_routing_tables: bool
:param clear_tags: informs the tool chain if it should clear the tags\
off the machine at stop
:type clear_tags: boolean
:return: None
"""
for population in self._populations:
population._end()
# if not a virtual machine, then shut down stuff on the board
if not config.getboolean("Machine", "virtual_board"):
if turn_off_machine is None:
turn_off_machine = \
config.getboolean("Machine", "turn_off_machine")
if clear_routing_tables is None:
clear_routing_tables = config.getboolean(
"Machine", "clear_routing_tables")
if clear_tags is None:
clear_tags = config.getboolean("Machine", "clear_tags")
# if stopping on machine, clear iptags and
if clear_tags:
for ip_tag in self._tags.ip_tags:
self._txrx.clear_ip_tag(
ip_tag.tag, board_address=ip_tag.board_address)
for reverse_ip_tag in self._tags.reverse_ip_tags:
self._txrx.clear_ip_tag(
reverse_ip_tag.tag,
board_address=reverse_ip_tag.board_address)
# if clearing routing table entries, clear
if clear_routing_tables:
for router_table in self._router_tables.routing_tables:
if not self._machine.get_chip_at(router_table.x,
router_table.y).virtual:
self._txrx.clear_multicast_routes(router_table.x,
router_table.y)
# execute app stop
# self._txrx.stop_application(self._app_id)
if self._create_database:
self._database_interface.stop()
# stop the transceiver
if turn_off_machine:
logger.info("Turning off machine")
self._txrx.close(power_off_machine=turn_off_machine)
def _add_socket_address(self, socket_address):
"""
:param socket_address:
:return:
"""
self._database_socket_addresses.add(socket_address)
class Spinnaker(FrontEndCommonConfigurationFunctions,
FrontEndCommonInterfaceFunctions,
FrontEndCommonProvenanceFunctions,
SpynnakerConfigurationFunctions):
"""
Spinnaker
"""
def __init__(self,
host_name=None,
timestep=None,
min_delay=None,
max_delay=None,
graph_label=None,
database_socket_addresses=None):
FrontEndCommonConfigurationFunctions.__init__(self, host_name,
graph_label)
SpynnakerConfigurationFunctions.__init__(self)
FrontEndCommonProvenanceFunctions.__init__(self)
self._database_socket_addresses = set()
self._database_interface = None
self._create_database = None
self._populations = list()
if self._app_id is None:
self._set_up_main_objects(
app_id=config.getint("Machine", "appID"),
execute_data_spec_report=config.getboolean(
"Reports", "writeTextSpecs"),
execute_partitioner_report=config.getboolean(
"Reports", "writePartitionerReports"),
execute_placer_report=config.getboolean(
"Reports", "writePlacerReports"),
execute_router_dat_based_report=config.getboolean(
"Reports", "writeRouterDatReport"),
reports_are_enabled=config.getboolean("Reports",
"reportsEnabled"),
generate_performance_measurements=config.getboolean(
"Reports", "outputTimesForSections"),
execute_router_report=config.getboolean(
"Reports", "writeRouterReports"),
execute_write_reload_steps=config.getboolean(
"Reports", "writeReloadSteps"),
generate_transciever_report=config.getboolean(
"Reports", "writeTransceiverReport"),
execute_routing_info_report=config.getboolean(
"Reports", "writeRouterInfoReport"),
in_debug_mode=config.get("Mode", "mode") == "Debug",
generate_tag_report=config.getboolean(
"Reports", "writeTagAllocationReports"))
self._set_up_pacman_algorthms_listings(
partitioner_algorithm=config.get("Partitioner", "algorithm"),
placer_algorithm=config.get("Placer", "algorithm"),
key_allocator_algorithm=config.get("KeyAllocator",
"algorithm"),
routing_algorithm=config.get("Routing", "algorithm"))
# set up exeuctable specifics
self._set_up_executable_specifics()
self._set_up_report_specifics(
default_report_file_path=config.get("Reports",
"defaultReportFilePath"),
max_reports_kept=config.getint("Reports", "max_reports_kept"),
reports_are_enabled=config.getboolean("Reports",
"reportsEnabled"),
write_provance_data=config.getboolean("Reports",
"writeProvanceData"),
write_text_specs=config.getboolean("Reports",
"writeTextSpecs"))
self._set_up_output_application_data_specifics(
max_application_binaries_kept=config.getint(
"Reports", "max_application_binaries_kept"),
where_to_write_application_data_files=config.get(
"Reports", "defaultApplicationDataFilePath"))
# set up spynnaker specifics, such as setting the machineName from conf
self._set_up_machine_specifics(timestep, min_delay, max_delay,
host_name)
self._spikes_per_second = float(
config.getfloat("Simulation", "spikes_per_second"))
self._ring_buffer_sigma = float(
config.getfloat("Simulation", "ring_buffer_sigma"))
# Determine default executable folder location
# and add this default to end of list of search paths
executable_finder.add_path(os.path.dirname(model_binaries.__file__))
FrontEndCommonInterfaceFunctions.__init__(
self, self._reports_states, self._report_default_directory,
self._app_data_runtime_folder)
logger.info("Setting time scale factor to {}.".format(
self._time_scale_factor))
logger.info("Setting appID to %d." % self._app_id)
# get the machine time step
logger.info("Setting machine time step to {} micro-seconds.".format(
self._machine_time_step))
self._edge_count = 0
# Manager of buffered sending
self._send_buffer_manager = None
def run(self, run_time):
"""
:param run_time:
:return:
"""
# sort out config param to be valid types
width = config.get("Machine", "width")
height = config.get("Machine", "height")
if width == "None":
width = None
else:
width = int(width)
if height == "None":
height = None
else:
height = int(height)
number_of_boards = config.get("Machine", "number_of_boards")
if number_of_boards == "None":
number_of_boards = None
self.setup_interfaces(
hostname=self._hostname,
bmp_details=config.get("Machine", "bmp_names"),
downed_chips=config.get("Machine", "down_chips"),
downed_cores=config.get("Machine", "down_cores"),
board_version=config.getint("Machine", "version"),
number_of_boards=number_of_boards,
width=width,
height=height,
is_virtual=config.getboolean("Machine", "virtual_board"),
virtual_has_wrap_arounds=config.getboolean(
"Machine", "requires_wrap_arounds"),
auto_detect_bmp=config.getboolean("Machine", "auto_detect_bmp"))
# adds extra stuff needed by the reload script which cannot be given
# directly.
if self._reports_states.transciever_report:
self._reload_script.runtime = run_time
self._reload_script.time_scale_factor = self._time_scale_factor
# create network report if needed
if self._reports_states is not None:
reports.network_specification_partitionable_report(
self._report_default_directory, self._partitionable_graph,
self._hostname)
# calculate number of machine time steps
if run_time is not None:
self._no_machine_time_steps =\
int((run_time * 1000.0) / self._machine_time_step)
ceiled_machine_time_steps = \
math.ceil((run_time * 1000.0) / self._machine_time_step)
if self._no_machine_time_steps != ceiled_machine_time_steps:
raise common_exceptions.ConfigurationException(
"The runtime and machine time step combination result in "
"a factional number of machine runable time steps and "
"therefore spinnaker cannot determine how many to run for")
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractDataSpecableVertex):
vertex.set_no_machine_time_steps(
self._no_machine_time_steps)
else:
self._no_machine_time_steps = None
logger.warn("You have set a runtime that will never end, this may"
"cause the neural models to fail to partition "
"correctly")
for vertex in self._partitionable_graph.vertices:
if (isinstance(vertex, AbstractPopulationRecordableVertex)
and vertex.record):
raise common_exceptions.ConfigurationException(
"recording a population when set to infinite runtime "
"is not currently supportable in this tool chain."
"watch this space")
do_timing = config.getboolean("Reports", "outputTimesForSections")
if do_timing:
timer = Timer()
else:
timer = None
self.set_runtime(run_time)
logger.info("*** Running Mapper *** ")
if do_timing:
timer.start_timing()
self.map_model()
if do_timing:
timer.take_sample()
# add database generation if requested
needs_database = self._auto_detect_database(self._partitioned_graph)
user_create_database = config.get("Database", "create_database")
if ((user_create_database == "None" and needs_database)
or user_create_database == "True"):
wait_on_confirmation = config.getboolean("Database",
"wait_on_confirmation")
self._database_interface = SpynnakerDataBaseInterface(
self._app_data_runtime_folder, wait_on_confirmation,
self._database_socket_addresses)
self._database_interface.add_system_params(self._time_scale_factor,
self._machine_time_step,
self._runtime)
self._database_interface.add_machine_objects(self._machine)
self._database_interface.add_partitionable_vertices(
self._partitionable_graph)
self._database_interface.add_partitioned_vertices(
self._partitioned_graph, self._graph_mapper,
self._partitionable_graph)
self._database_interface.add_placements(self._placements,
self._partitioned_graph)
self._database_interface.add_routing_infos(self._routing_infos,
self._partitioned_graph)
self._database_interface.add_routing_tables(self._router_tables)
self._database_interface.add_tags(self._partitioned_graph,
self._tags)
execute_mapping = config.getboolean(
"Database", "create_routing_info_to_neuron_id_mapping")
if execute_mapping:
self._database_interface.create_neuron_to_key_mapping(
graph_mapper=self._graph_mapper,
partitionable_graph=self._partitionable_graph,
partitioned_graph=self._partitioned_graph,
routing_infos=self._routing_infos)
# if using a reload script, add if that needs to wait for
# confirmation
if self._reports_states.transciever_report:
self._reload_script.wait_on_confirmation = wait_on_confirmation
for socket_address in self._database_socket_addresses:
self._reload_script.add_socket_address(socket_address)
self._database_interface.send_read_notification()
# execute data spec generation
if do_timing:
timer.start_timing()
logger.info("*** Generating Output *** ")
logger.debug("")
executable_targets = self.generate_data_specifications()
if do_timing:
timer.take_sample()
# execute data spec execution
if do_timing:
timer.start_timing()
processor_to_app_data_base_address = \
self.execute_data_specification_execution(
config.getboolean("SpecExecution", "specExecOnHost"),
self._hostname, self._placements, self._graph_mapper,
write_text_specs=config.getboolean(
"Reports", "writeTextSpecs"),
runtime_application_data_folder=self._app_data_runtime_folder,
machine=self._machine)
if self._reports_states is not None:
reports.write_memory_map_report(
self._report_default_directory,
processor_to_app_data_base_address)
if do_timing:
timer.take_sample()
if (not isinstance(self._machine, VirtualMachine)
and config.getboolean("Execute", "run_simulation")):
if do_timing:
timer.start_timing()
logger.info("*** Loading tags ***")
self.load_tags(self._tags)
if self._do_load is True:
logger.info("*** Loading data ***")
self._load_application_data(
self._placements,
self._graph_mapper,
processor_to_app_data_base_address,
self._hostname,
app_data_folder=self._app_data_runtime_folder,
verify=config.getboolean("Mode", "verify_writes"))
self.load_routing_tables(self._router_tables, self._app_id)
logger.info("*** Loading executables ***")
self.load_executable_images(executable_targets, self._app_id)
logger.info("*** Loading buffers ***")
self.set_up_send_buffering(self._partitioned_graph,
self._placements, self._tags)
# end of entire loading setup
if do_timing:
timer.take_sample()
if self._do_run is True:
logger.info("*** Running simulation... *** ")
if do_timing:
timer.start_timing()
# every thing is in sync0. load the initial buffers
self._send_buffer_manager.load_initial_buffers()
if do_timing:
timer.take_sample()
wait_on_confirmation = config.getboolean(
"Database", "wait_on_confirmation")
send_start_notification = config.getboolean(
"Database", "send_start_notification")
self.wait_for_cores_to_be_ready(executable_targets,
self._app_id)
# wait till external app is ready for us to start if required
if (self._database_interface is not None
and wait_on_confirmation):
self._database_interface.wait_for_confirmation()
self.start_all_cores(executable_targets, self._app_id)
if (self._database_interface is not None
and send_start_notification):
self._database_interface.send_start_notification()
if self._runtime is None:
logger.info("Application is set to run forever - exiting")
else:
self.wait_for_execution_to_complete(
executable_targets, self._app_id, self._runtime,
self._time_scale_factor)
self._has_ran = True
if self._retrieve_provance_data:
progress = ProgressBar(self._placements.n_placements + 1,
"getting provenance data")
# retrieve provence data from central
file_path = os.path.join(self._report_default_directory,
"provance_data")
# check the directory doesnt already exist
if not os.path.exists(file_path):
os.mkdir(file_path)
# write provanence data
self.write_provenance_data_in_xml(file_path, self._txrx)
progress.update()
# retrieve provenance data from any cores that provide data
for placement in self._placements.placements:
if isinstance(placement.subvertex,
AbstractProvidesProvenanceData):
core_file_path = os.path.join(
file_path,
"Provanence_data_for_{}_{}_{}_{}.xml".format(
placement.subvertex.label, placement.x,
placement.y, placement.p))
placement.subvertex.write_provenance_data_in_xml(
core_file_path, self.transceiver, placement)
progress.update()
progress.end()
elif isinstance(self._machine, VirtualMachine):
logger.info(
"*** Using a Virtual Machine so no simulation will occur")
else:
logger.info("*** No simulation requested: Stopping. ***")
@property
def app_id(self):
"""
:return:
"""
return self._app_id
@property
def has_ran(self):
"""
:return:
"""
return self._has_ran
@property
def machine_time_step(self):
"""
:return:
"""
return self._machine_time_step
@property
def no_machine_time_steps(self):
"""
:return:
"""
return self._no_machine_time_steps
@property
def timescale_factor(self):
"""
:return:
"""
return self._time_scale_factor
@property
def spikes_per_second(self):
"""
:return:
"""
return self._spikes_per_second
@property
def ring_buffer_sigma(self):
"""
:return:
"""
return self._ring_buffer_sigma
@property
def get_multi_cast_source(self):
"""
:return:
"""
return self._multi_cast_vertex
@property
def partitioned_graph(self):
"""
:return:
"""
return self._partitioned_graph
@property
def partitionable_graph(self):
"""
:return:
"""
return self._partitionable_graph
@property
def placements(self):
"""
:return:
"""
return self._placements
@property
def transceiver(self):
"""
:return:
"""
return self._txrx
@property
def graph_mapper(self):
"""
:return:
"""
return self._graph_mapper
@property
def routing_infos(self):
"""
:return:
"""
return self._routing_infos
def set_app_id(self, value):
"""
:param value:
:return:
"""
self._app_id = value
def get_current_time(self):
"""
:return:
"""
if self._has_ran:
return float(self._runtime)
return 0.0
def __repr__(self):
return "Spinnaker object for machine {}".format(self._hostname)
def map_model(self):
"""
executes the pacman compilation stack
"""
pacman_report_state = \
self._reports_states.generate_pacman_report_states()
self._add_virtual_chips()
# execute partitioner
self._execute_partitioner(pacman_report_state)
# execute placer
self._execute_placer(pacman_report_state)
# exeucte tag allocator
self._execute_tag_allocator(pacman_report_state)
# execute pynn subedge pruning
self._partitioned_graph, self._graph_mapper = \
GraphEdgeFilter(self._report_default_directory)\
.run(self._partitioned_graph, self._graph_mapper)
# execute key allocator
self._execute_key_allocator(pacman_report_state)
# execute router
self._execute_router(pacman_report_state)
def _execute_tag_allocator(self, pacman_report_state):
"""
:param pacman_report_state:
:return:
"""
if self._tag_allocator_algorithm is None:
self._tag_allocator_algorithm = BasicTagAllocator()
else:
self._tag_allocator_algorithm = self._tag_allocator_algorithm()
# execute tag allocation
self._tags = self._tag_allocator_algorithm.allocate_tags(
self._machine, self._placements)
# generate reports
if (pacman_report_state is not None
and pacman_report_state.tag_allocation_report):
pacman_reports.tag_allocator_report(self._report_default_directory,
self._tags)
def _execute_key_allocator(self, pacman_report_state):
""" executes the key allocator
:param pacman_report_state:
:return:
"""
if self._key_allocator_algorithm is None:
self._key_allocator_algorithm = BasicRoutingInfoAllocator()
else:
self._key_allocator_algorithm = self._key_allocator_algorithm()
# execute routing info generator
# Generate an n_keys map for the graph and add constraints
n_keys_map = DictBasedPartitionedEdgeNKeysMap()
for edge in self._partitioned_graph.subedges:
vertex_slice = self._graph_mapper.get_subvertex_slice(
edge.pre_subvertex)
super_edge = (self._graph_mapper.
get_partitionable_edge_from_partitioned_edge(edge))
if not isinstance(super_edge.pre_vertex,
AbstractProvidesNKeysForEdge):
n_keys_map.set_n_keys_for_patitioned_edge(
edge, vertex_slice.n_atoms)
else:
n_keys_map.set_n_keys_for_patitioned_edge(
edge,
super_edge.pre_vertex.get_n_keys_for_partitioned_edge(
edge, self._graph_mapper))
if isinstance(super_edge.pre_vertex,
AbstractProvidesOutgoingEdgeConstraints):
edge.add_constraints(
super_edge.pre_vertex.get_outgoing_edge_constraints(
edge, self._graph_mapper))
if isinstance(super_edge.post_vertex,
AbstractProvidesIncomingEdgeConstraints):
edge.add_constraints(
super_edge.post_vertex.get_incoming_edge_constraints(
edge, self._graph_mapper))
# execute routing info generator
self._routing_infos = \
self._key_allocator_algorithm.allocate_routing_info(
self._partitioned_graph, self._placements, n_keys_map)
# generate reports
if (pacman_report_state is not None
and pacman_report_state.routing_info_report):
pacman_reports.routing_info_reports(self._report_default_directory,
self._partitioned_graph,
self._routing_infos)
def _execute_router(self, pacman_report_state):
""" exectes the router algorithum
:param pacman_report_state:
:return:
"""
# set up a default placer algorithm if none are specified
if self._router_algorithm is None:
self._router_algorithm = BasicDijkstraRouting()
else:
self._router_algorithm = self._router_algorithm()
self._router_tables = \
self._router_algorithm.route(
self._routing_infos, self._placements, self._machine,
self._partitioned_graph)
if pacman_report_state is not None and \
pacman_report_state.router_report:
pacman_reports.router_reports(
graph=self._partitionable_graph,
hostname=self._hostname,
graph_to_sub_graph_mapper=self._graph_mapper,
placements=self._placements,
report_folder=self._report_default_directory,
include_dat_based=pacman_report_state.router_dat_based_report,
routing_tables=self._router_tables,
routing_info=self._routing_infos,
machine=self._machine)
if self._in_debug_mode:
# check that all routes are valid and no cycles exist
valid_route_checker = ValidRouteChecker(
placements=self._placements,
routing_infos=self._routing_infos,
routing_tables=self._router_tables,
machine=self._machine,
partitioned_graph=self._partitioned_graph)
valid_route_checker.validate_routes()
def _execute_partitioner(self, pacman_report_state):
""" executes the partitioner function
:param pacman_report_state:
:return:
"""
# execute partitioner or default partitioner (as seen fit)
if self._partitioner_algorithm is None:
self._partitioner_algorithm = BasicPartitioner()
else:
self._partitioner_algorithm = self._partitioner_algorithm()
# execute partitioner
self._partitioned_graph, self._graph_mapper = \
self._partitioner_algorithm.partition(self._partitionable_graph,
self._machine)
# execute reports
if (pacman_report_state is not None
and pacman_report_state.partitioner_report):
pacman_reports.partitioner_reports(self._report_default_directory,
self._hostname,
self._partitionable_graph,
self._graph_mapper)
def _execute_placer(self, pacman_report_state):
""" executes the placer
:param pacman_report_state:
:return:
"""
# execute placer or default placer (as seen fit)
if self._placer_algorithm is None:
self._placer_algorithm = BasicPlacer()
else:
self._placer_algorithm = self._placer_algorithm()
# execute placer
self._placements = self._placer_algorithm.place(
self._partitioned_graph, self._machine)
# execute placer reports if needed
if (pacman_report_state is not None
and pacman_report_state.placer_report):
pacman_reports.placer_reports_with_partitionable_graph(
graph=self._partitionable_graph,
graph_mapper=self._graph_mapper,
hostname=self._hostname,
machine=self._machine,
placements=self._placements,
report_folder=self._report_default_directory)
def generate_data_specifications(self):
""" generates the dsg for the graph.
:return:
"""
# iterate though subvertexes and call generate_data_spec for each
# vertex
executable_targets = ExecutableTargets()
# create a progress bar for end users
progress_bar = ProgressBar(len(list(self._placements.placements)),
"on generating data specifications")
for placement in self._placements.placements:
associated_vertex =\
self._graph_mapper.get_vertex_from_subvertex(
placement.subvertex)
# if the vertex can generate a DSG, call it
if isinstance(associated_vertex, AbstractDataSpecableVertex):
ip_tags = self._tags.get_ip_tags_for_vertex(
placement.subvertex)
reverse_ip_tags = self._tags.get_reverse_ip_tags_for_vertex(
placement.subvertex)
associated_vertex.generate_data_spec(
placement.subvertex, placement, self._partitioned_graph,
self._partitionable_graph, self._routing_infos,
self._hostname, self._graph_mapper,
self._report_default_directory, ip_tags, reverse_ip_tags,
self._writeTextSpecs, self._app_data_runtime_folder)
progress_bar.update()
# Get name of binary from vertex
binary_name = associated_vertex.get_binary_file_name()
# Attempt to find this within search paths
binary_path = executable_finder.get_executable_path(
binary_name)
if binary_path is None:
raise exceptions.ExecutableNotFoundException(binary_name)
if not executable_targets.has_binary(binary_path):
executable_targets.add_binary(binary_path)
executable_targets.add_processor(binary_path, placement.x,
placement.y, placement.p)
# finish the progress bar
progress_bar.end()
return executable_targets
def add_vertex(self, vertex_to_add):
"""
:param vertex_to_add:
:return:
"""
if isinstance(vertex_to_add, CommandSender):
self._multi_cast_vertex = vertex_to_add
self._partitionable_graph.add_vertex(vertex_to_add)
if isinstance(vertex_to_add, AbstractSendMeMulticastCommandsVertex):
if self._multi_cast_vertex is None:
self._multi_cast_vertex = CommandSender(
self._machine_time_step, self._time_scale_factor)
self.add_vertex(self._multi_cast_vertex)
edge = MultiCastPartitionableEdge(self._multi_cast_vertex,
vertex_to_add)
self._multi_cast_vertex.add_commands(vertex_to_add.commands, edge)
self.add_edge(edge)
# add any dependent edges and verts if needed
if isinstance(vertex_to_add,
AbstractVertexWithEdgeToDependentVertices):
for dependant_vertex in vertex_to_add.dependent_vertices:
self.add_vertex(dependant_vertex)
dependant_edge = MultiCastPartitionableEdge(
pre_vertex=vertex_to_add, post_vertex=dependant_vertex)
self.add_edge(dependant_edge)
def add_edge(self, edge_to_add):
"""
:param edge_to_add:
:return:
"""
self._partitionable_graph.add_edge(edge_to_add)
def create_population(self, size, cellclass, cellparams, structure, label):
"""
:param size:
:param cellclass:
:param cellparams:
:param structure:
:param label:
:return:
"""
return Population(size=size,
cellclass=cellclass,
cellparams=cellparams,
structure=structure,
label=label,
spinnaker=self)
def _add_population(self, population):
""" Called by each population to add itself to the list
"""
self._populations.append(population)
def create_projection(self, presynaptic_population,
postsynaptic_population, connector, source, target,
synapse_dynamics, label, rng):
"""
:param presynaptic_population:
:param postsynaptic_population:
:param connector:
:param source:
:param target:
:param synapse_dynamics:
:param label:
:param rng:
:return:
"""
if label is None:
label = "Projection {}".format(self._edge_count)
self._edge_count += 1
return Projection(presynaptic_population=presynaptic_population,
label=label,
postsynaptic_population=postsynaptic_population,
rng=rng,
connector=connector,
source=source,
target=target,
synapse_dynamics=synapse_dynamics,
spinnaker_control=self,
machine_time_step=self._machine_time_step,
timescale_factor=self._time_scale_factor)
def _add_virtual_chips(self):
for vertex in self._partitionable_graph.vertices:
if isinstance(vertex, AbstractVirtualVertex):
# check if the virtual chip doesn't already exist
if self._machine.get_chip_at(vertex.virtual_chip_x,
vertex.virtual_chip_y) is None:
virutal_chip = self._create_virtual_chip(vertex)
self._machine.add_chip(virutal_chip)
def _create_virtual_chip(self, virtual_vertex):
sdram_object = SDRAM()
# creates the two links
spinnaker_link_id = virtual_vertex.get_spinnaker_link_id
spinnaker_link_data = \
self._machine.locate_connected_chips_coords_and_link(
config.getint("Machine", "version"), spinnaker_link_id)
virtual_link_id = (spinnaker_link_data.connected_link + 3) % 6
to_virtual_chip_link = Link(
destination_x=virtual_vertex.virtual_chip_x,
destination_y=virtual_vertex.virtual_chip_y,
source_x=spinnaker_link_data.connected_chip_x,
source_y=spinnaker_link_data.connected_chip_y,
multicast_default_from=virtual_link_id,
multicast_default_to=virtual_link_id,
source_link_id=spinnaker_link_data.connected_link)
from_virtual_chip_link = Link(
destination_x=spinnaker_link_data.connected_chip_x,
destination_y=spinnaker_link_data.connected_chip_y,
source_x=virtual_vertex.virtual_chip_x,
source_y=virtual_vertex.virtual_chip_y,
multicast_default_from=(spinnaker_link_data.connected_link),
multicast_default_to=spinnaker_link_data.connected_link,
source_link_id=virtual_link_id)
# create the router
links = [from_virtual_chip_link]
router_object = MachineRouter(
links=links,
emergency_routing_enabled=False,
clock_speed=MachineRouter.ROUTER_DEFAULT_CLOCK_SPEED,
n_available_multicast_entries=sys.maxint)
# create the processors
processors = list()
for virtual_core_id in range(0, 128):
processors.append(
Processor(virtual_core_id, Processor.CPU_AVAILABLE,
virtual_core_id == 0))
# connect the real chip with the virtual one
connected_chip = self._machine.get_chip_at(
spinnaker_link_data.connected_chip_x,
spinnaker_link_data.connected_chip_y)
connected_chip.router.add_link(to_virtual_chip_link)
# return new v chip
return Chip(processors=processors,
router=router_object,
sdram=sdram_object,
x=virtual_vertex.virtual_chip_x,
y=virtual_vertex.virtual_chip_y,
virtual=True,
nearest_ethernet_x=None,
nearest_ethernet_y=None)
def stop(self,
turn_off_machine=None,
clear_routing_tables=None,
clear_tags=None):
"""
:param turn_off_machine: decides if the machine should be powered down\
after running the exeuction. Note that this powers down all boards\
connected to the BMP connections given to the transciever
:type turn_off_machine: bool
:param clear_routing_tables: informs the tool chain if it\
should turn off the clearing of the routing tables
:type clear_routing_tables: bool
:param clear_tags: informs the tool chain if it should clear the tags\
off the machine at stop
:type clear_tags: boolean
:return: None
"""
for population in self._populations:
population._end()
if turn_off_machine is None:
config.getboolean("Machine", "turn_off_machine")
if clear_routing_tables is None:
config.getboolean("Machine", "clear_routing_tables")
if clear_tags is None:
config.getboolean("Machine", "clear_tags")
# if stopping on machine, clear iptags and
if clear_tags:
for ip_tag in self._tags.ip_tags:
self._txrx.clear_ip_tag(ip_tag.tag,
board_address=ip_tag.board_address)
for reverse_ip_tag in self._tags.reverse_ip_tags:
self._txrx.clear_ip_tag(
reverse_ip_tag.tag,
board_address=reverse_ip_tag.board_address)
# if clearing routing table entries, clear
if clear_routing_tables:
for router_table in self._router_tables.routing_tables:
if not self._machine.get_chip_at(router_table.x,
router_table.y).virtual:
self._txrx.clear_multicast_routes(router_table.x,
router_table.y)
# execute app stop
# self._txrx.stop_application(self._app_id)
if self._create_database:
self._database_interface.stop()
# if asked to turn off machine, power down each rack via bmp
# connections
if turn_off_machine:
self._txrx.power_off_machine()
# stop the transciever
self._txrx.close()
def _add_socket_address(self, socket_address):
"""
:param socket_address:
:return:
"""
self._database_socket_addresses.add(socket_address)