def reserve_memory_regions(self, spec, placement, graph_mapper):
""" Reserve memory regions for Poisson source parameters and output\
buffer.
:param spec: the data specification writer
:param placement: the location this vertex resides on in the machine
:param graph_mapper: the mapping between app and machine graphs
:return: None
"""
spec.comment("\nReserving memory space for data regions:\n\n")
# Reserve memory:
spec.reserve_memory_region(region=_REGIONS.SYSTEM_REGION.value,
size=SIMULATION_N_BYTES,
label='setup')
# reserve poisson parameters and rates DSG region
self._reserve_poisson_params_rates_region(placement, graph_mapper,
spec)
spec.reserve_memory_region(
region=_REGIONS.SPIKE_HISTORY_REGION.value,
size=recording_utilities.get_recording_header_size(1),
label="Recording")
profile_utils.reserve_profile_region(spec,
_REGIONS.PROFILER_REGION.value,
self.__n_profile_samples)
placement.vertex.reserve_provenance_data_region(spec)
def _write_common_data_spec(self, spec, rec_regions):
""" Write the data specification for the common regions
:param ~data_specification.DataSpecificationGenerator spec:
The data specification to write to
:param list(int) rec_regions:
A list of sizes of each recording region (including empty ones)
"""
# Write the setup region
spec.reserve_memory_region(region=self.__regions.system,
size=SIMULATION_N_BYTES,
label='System')
spec.switch_write_focus(self.__regions.system)
spec.write_array(get_simulation_header_array(self.__binary_file_name))
# Reserve memory for provenance
self.reserve_provenance_data_region(spec)
# Write profile data
reserve_profile_region(spec, self.__regions.profile,
self._app_vertex.n_profile_samples)
write_profile_region_data(spec, self.__regions.profile,
self._app_vertex.n_profile_samples)
# Set up for recording
spec.reserve_memory_region(region=self.__regions.recording,
size=get_recording_header_size(
len(rec_regions)),
label="Recording")
spec.switch_write_focus(self.__regions.recording)
spec.write_array(get_recording_header_array(rec_regions))
def reserve_memory_regions(self, spec, placement):
""" Reserve memory regions for Poisson source parameters and output\
buffer.
:param ~data_specification.DataSpecification spec:
the data specification writer
:param ~pacman.models.placements.Placement placement:
the location this vertex resides on in the machine
:return: None
"""
spec.comment("\nReserving memory space for data regions:\n\n")
# Reserve memory:
spec.reserve_memory_region(region=_REGIONS.SYSTEM_REGION.value,
size=SIMULATION_N_BYTES,
label='setup')
# reserve poisson parameters and rates DSG region
self._reserve_poisson_params_rates_region(placement, spec)
spec.reserve_memory_region(
region=_REGIONS.SPIKE_HISTORY_REGION.value,
size=recording_utilities.get_recording_header_size(1),
label="Recording")
profile_utils.reserve_profile_region(spec,
_REGIONS.PROFILER_REGION.value,
self.__n_profile_samples)
spec.reserve_memory_region(region=_REGIONS.TDMA_REGION.value,
label="tdma_region",
size=self.tdma_sdram_size_in_bytes)
placement.vertex.reserve_provenance_data_region(spec)
def _reserve_memory_regions(self, spec, vertex_slice, vertex,
machine_graph, n_key_map):
""" Reserve the DSG data regions.
:param ~.DataSpecificationGenerator spec:
the spec to write the DSG region to
:param ~pacman.model.graphs.common.Slice vertex_slice:
the slice of atoms from the application vertex
:param ~.MachineVertex vertex: this vertex
:param ~.MachineGraph machine_graph: machine graph
:param n_key_map: nkey map
:return: None
"""
spec.comment("\nReserving memory space for data regions:\n\n")
# Reserve memory:
spec.reserve_memory_region(
region=POPULATION_BASED_REGIONS.SYSTEM.value,
size=common_constants.SIMULATION_N_BYTES,
label='System')
self._reserve_neuron_params_data_region(spec, vertex_slice)
spec.reserve_memory_region(
region=POPULATION_BASED_REGIONS.NEURON_RECORDING.value,
size=self._neuron_recorder.get_static_sdram_usage(vertex_slice),
label="neuron recording")
profile_utils.reserve_profile_region(
spec, POPULATION_BASED_REGIONS.PROFILING.value,
self.__n_profile_samples)
# reserve bit field region
bit_field_utilities.reserve_bit_field_regions(
spec, machine_graph, n_key_map, vertex,
POPULATION_BASED_REGIONS.BIT_FIELD_BUILDER.value,
POPULATION_BASED_REGIONS.BIT_FIELD_FILTER.value,
POPULATION_BASED_REGIONS.BIT_FIELD_KEY_MAP.value)
vertex.reserve_provenance_data_region(spec)
def _reserve_memory_regions(self, spec, vertex_slice, vertex):
spec.comment("\nReserving memory space for data regions:\n\n")
# Reserve memory:
spec.reserve_memory_region(
region=constants.POPULATION_BASED_REGIONS.SYSTEM.value,
size=common_constants.SYSTEM_BYTES_REQUIREMENT,
label='System')
self._reserve_neuron_params_data_region(spec, vertex_slice)
spec.reserve_memory_region(
region=constants.POPULATION_BASED_REGIONS.RECORDING.value,
size=recording_utilities.get_recording_header_size(
self.N_RECORDING_REGIONS))
profile_utils.reserve_profile_region(
spec, constants.POPULATION_BASED_REGIONS.PROFILING.value,
self._n_profile_samples)
vertex.reserve_provenance_data_region(spec)
def _reserve_memory_regions(self, spec, vertex_slice, vertex):
spec.comment("\nReserving memory space for data regions:\n\n")
# Reserve memory:
spec.reserve_memory_region(
region=constants.POPULATION_BASED_REGIONS.SYSTEM.value,
size=common_constants.SIMULATION_N_BYTES,
label='System')
self._reserve_neuron_params_data_region(spec, vertex_slice)
spec.reserve_memory_region(
region=constants.POPULATION_BASED_REGIONS.RECORDING.value,
size=recording_utilities.get_recording_header_size(
len(self._neuron_impl.get_recordable_variables()) + 1))
profile_utils.reserve_profile_region(
spec, constants.POPULATION_BASED_REGIONS.PROFILING.value,
self._n_profile_samples)
vertex.reserve_provenance_data_region(spec)
def _reserve_memory_regions(self, spec, vertex_slice, vertex):
spec.comment("\nReserving memory space for data regions:\n\n")
# Reserve memory:
spec.reserve_memory_region(
region=POPULATION_BASED_REGIONS.SYSTEM.value,
size=common_constants.SIMULATION_N_BYTES,
label='System')
self._reserve_neuron_params_data_region(spec, vertex_slice)
spec.reserve_memory_region(
region=POPULATION_BASED_REGIONS.NEURON_RECORDING.value,
size=self._neuron_recorder.get_static_sdram_usage(vertex_slice),
label="neuron recording")
profile_utils.reserve_profile_region(
spec, POPULATION_BASED_REGIONS.PROFILING.value,
self.__n_profile_samples)
vertex.reserve_provenance_data_region(spec)
def _reserve_profile_memory_regions(self, spec):
# only reserve if using
if self._profile:
# reserve profile region
profile_utils.reserve_profile_region(spec, self._profile_region,
self._n_profile_samples)
