def generateDataSpec(self, processor, subvertex, dao):
#check that all keys for a subedge are the same when masked
self.check_sub_edge_key_mask_consistancy(self.edge_map, self._app_mask)
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor=processor, dao=dao)
spec.initialise(self.core_app_identifier,
dao) # User specified identifier
spec.comment("\n*** Spec for multi case source ***\n\n")
# Load the expected executable to the list of load targets for this core
# and the load addresses:
x, y, p = processor.get_coordinates()
executable_target = None
file_path = os.path.join(dao.get_common_binaries_directory(),
'multicast_source.aplx')
executable_target = lib_map.ExecutableTarget(file_path, x, y, p)
memory_write_targets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int(
(dao.run_time * 1000.0) / dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memory_write_targets.append(
lib_map.MemWriteTarget(x, y, p, user1Addr, simulationTimeInTicks))
#reserve regions
self.reserve_memory_regions(spec, self.memory_requirements)
#write system region
spec.switchWriteFocus(region=self.SYSTEM_REGION)
spec.write(data=0xBEEF0000)
spec.write(data=0)
spec.write(data=0)
spec.write(data=0)
#write commands to memory
spec.switchWriteFocus(region=self.COMMANDS)
for write_command in self.writes:
spec.write(data=write_command)
# End-of-Spec:
spec.endSpec()
spec.closeSpecFile()
load_targets = list()
# Return list of executables, load files:
return executable_target, load_targets, memory_write_targets
def generateDataSpec(self, processor, subvertex, dao):
"""
Model-specific construction of the data blocks necessary to build a
single Application Monitor on one core.
"""
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor, dao)
spec.initialise(self.core_app_identifier,
dao) # User specified identifier
spec.comment("\n*** Spec for External Spike Source Instance ***\n\n")
# Load the expected executable to the list of load targets for this core
# and the load addresses:
x, y, p = processor.get_coordinates()
executableTarget = lib_map.ExecutableTarget(
dao.get_common_binaries_directory() + os.sep +
'external_spike_source.aplx', x, y, p)
# Calculate the size of the tables to be reserved in SDRAM:
setupSz = 16 # Single word of info with flags, etc.
# plus the lengths of each of the output buffer
# regions in bytes
# Declare random number generators and distributions:
#self.writeRandomDistributionDeclarations(spec, dao)
# Construct the data images needed for the Neuron:
self.reserveMemoryRegions(spec, setupSz)
self.writeSetupInfo(spec, subvertex)
# End-of-Spec:
spec.endSpec()
spec.closeSpecFile()
# No memory writes required for this Data Spec:
memoryWriteTargets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int(
(dao.run_time * 1000.0) / dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memoryWriteTargets.append(
lib_map.MemWriteTarget(x, y, p, user1Addr, simulationTimeInTicks))
loadTargets = list()
# Return list of executables, load files:
return executableTarget, loadTargets, memoryWriteTargets
def generateDataSpec(self, processor, subvertex, dao):
IDENTIFIER = 0xABCE
x, y, p = processor.get_coordinates()
executableTarget = lib_map.ExecutableTarget(
dao.get_binaries_directory() + os.sep + 'nengo-tx.aplx', x, y, p)
spec = lib_dsg.DataSpec(processor, dao)
spec.initialise(IDENTIFIER, dao)
spec.comment('Nengo transmitter')
# End the writing of this specification:
spec.endSpec()
spec.closeSpecFile()
# No memory writes required for this Data Spec:
memoryWriteTargets = list()
loadTargets = list()
# Return list of target cores, executables, files to load and
# memory writes to perform:
return executableTarget, loadTargets, memoryWriteTargets
def generateDataSpec(self, processor, subvertex, dao):
"""
Model-specific construction of the data blocks necessary to build a
single Delay Extension Block on one core.
"""
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor, dao)
spec.initialise(self.core_app_identifier, dao) # User specified identifier
spec.comment("\n*** Spec for Delay Extension Instance ***\n\n")
# Define lists to hold information on files to load and memory to write
# in support of this application:
# Load the expected executable to the list of load targets for this core
# and the load addresses:
x, y, p = processor.get_coordinates()
executableTarget = lib_map.ExecutableTarget(dao.get_common_binaries_directory()
+ os.sep + 'delay_extension.aplx',x, y, p)
# ###################################################################
# Reserve SDRAM space for memory areas:
delay_params_header_words = 3
n_atoms = subvertex.hi_atom - subvertex.lo_atom + 1
block_len_words = int(ceil(n_atoms / 32.0))
num_delay_blocks, delay_blocks = self.get_delay_blocks(subvertex)
delay_params_sz = 4 * (delay_params_header_words
+ (num_delay_blocks * block_len_words))
spikeHistoryRegionSz = 0
# Reserve memory:
spec.comment("\nReserving memory space for data regions:\n\n")
spec.reserveMemRegion( region = REGIONS.SYSTEM,
size = SETUP_SZ,
label = 'setup' )
spec.reserveMemRegion( region = REGIONS.DELAY_PARAMS,
size = delay_params_sz,
label = 'delay_params' )
self.writeSetupInfo( spec, subvertex, spikeHistoryRegionSz)
self.writeDelayParameters(spec, processor, subvertex, num_delay_blocks,
delay_blocks)
# End-of-Spec:
spec.endSpec()
spec.closeSpecFile()
# No memory writes or loads required for this Data Spec:
memoryWriteTargets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int((dao.run_time * 1000.0)
/ dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memoryWriteTargets.append(lib_map.MemWriteTarget(x, y, p, user1Addr,
simulationTimeInTicks))
loadTargets = list()
# Return list of executables, load files:
return executableTarget, loadTargets, memoryWriteTargets
def generateDataSpec(self, processor, subvertex, dao):
IDENTIFIER = 0xABCD
print 'generate', self.data.label
spec = lib_dsg.DataSpec(processor, dao)
spec.initialise(IDENTIFIER, dao)
spec.comment('NEF Ensemble vertex information')
x, y, p = processor.get_coordinates()
executableTarget = lib_map.ExecutableTarget(
dao.get_binaries_directory() + os.sep + 'nengo-ensemble.aplx', x,
y, p)
N = subvertex.n_neurons
# size is measured in bytes
spec.reserveMemRegion(REGIONS.SYSTEM, size=7 * 4)
spec.reserveMemRegion(REGIONS.BIAS, size=N * 4)
spec.reserveMemRegion(REGIONS.ENCODERS, size=N * self.data.D_in * 4)
spec.reserveMemRegion(REGIONS.DECODERS, size=N * self.data.D_out * 4)
spec.reserveMemRegion(REGIONS.DECODER_KEYS, size=self.data.D_out * 4)
#TODO: adjust time resolution of sim
#TODO: adjust realtime rate
dt = 0.001
spec.switchWriteFocus(REGIONS.SYSTEM)
spec.write(data=self.data.D_in)
spec.write(data=self.data.D_out)
spec.write(data=N)
spec.write(data=int(dt * (10**6))) # dt in us
spec.write(data=int(round(self.data.tau_ref /
0.001))) # tau_ref in steps
def uint(x):
return x
# tau_rc in seconds
spec.write(data=uint(parameters.S1615(self.data.tau_rc).converted))
# filter decay constant
# TODO: handle multiple filters
filter = 0.01 if len(self.data.filters) == 0 else self.data.filters[0]
decay = np.exp(-dt / filter)
spec.write(data=uint(parameters.S1615(decay).converted))
spec.switchWriteFocus(REGIONS.BIAS)
for i in range(N):
spec.write(
data=uint(parameters.S1615(self.data.bias[i]).converted))
spec.switchWriteFocus(REGIONS.ENCODERS)
for i in range(N):
for j in range(self.data.D_in):
spec.write(data=uint(
parameters.S1615(self.data.encoders[i, j] *
self.data.gain[i]).converted))
decoders = self.data.get_merged_decoders()
spec.switchWriteFocus(REGIONS.DECODERS)
for i in range(N):
for j in range(self.data.D_out):
spec.write(
data=uint(parameters.S1615(decoders[i, j] / dt).converted))
spec.switchWriteFocus(REGIONS.DECODER_KEYS)
index = 0
for d, t, f in self.data.decoder_list:
for i in range(d.shape[1]):
spec.write(data=(x << 24) | (y << 16) | ((p - 1) << 11)
| (index << 6) | (i))
index += 1
# End the writing of this specification:
spec.endSpec()
spec.closeSpecFile()
# No memory writes required for this Data Spec:
memoryWriteTargets = list()
loadTargets = list()
# Return list of target cores, executables, files to load and
# memory writes to perform:
return executableTarget, loadTargets, memoryWriteTargets
def generateDataSpec(self, processor, subvertex, dao):
"""
Model-specific construction of the data blocks necessary to build a
single SpikeSourcePoisson on one core.
"""
# Get simulation information:
machineTimeStep = dao.machineTimeStep
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor, dao)
spec.initialise(self.core_app_identifier,
dao) # User-specified identifier
spec.comment("\n*** Spec for SpikeSourcePoisson Instance ***\n\n")
# Load the expected executable to the list of load targets for this core
# and the load addresses:
x, y, p = processor.get_coordinates()
executableTarget = \
lib_map.ExecutableTarget(dao.get_common_binaries_directory() +
os.sep + 'spike_source_poisson.aplx',x,
y, p)
# Get parameters about the group of neurons living on this core:
# How many are there?:
no_machine_time_steps = int(
(dao.run_time * 1000.0) / dao.machineTimeStep)
x, y, p = processor.get_coordinates()
poissonParamsSz = self.getParamsBytes(subvertex.lo_atom,
subvertex.hi_atom)
spikeHistBuffSz = self.getSpikeBufferSize(subvertex.lo_atom,
subvertex.hi_atom,
no_machine_time_steps)
# Reserve SDRAM space for memory areas:
self.reserveMemoryRegions(spec, SETUP_SZ, poissonParamsSz,
spikeHistBuffSz)
# Write region 1 (system information on buffer size, etc);
self.writeSetupInfo(spec, subvertex, spikeHistBuffSz)
self.writePoissonParameters(spec, machineTimeStep, processor,
subvertex.n_atoms)
# End-of-Spec:
spec.endSpec()
spec.closeSpecFile()
# No memory writes or loads required for this Data Spec:
memoryWriteTargets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int(
(dao.run_time * 1000.0) / dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memoryWriteTargets.append(
lib_map.MemWriteTarget(x, y, p, user1Addr, simulationTimeInTicks))
loadTargets = list()
# Return list of executables, load files:
return executableTarget, loadTargets, memoryWriteTargets
def generateDataSpec(self, processor, subvertex, dao):
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor=processor, dao=dao)
spec.initialise(self.core_app_identifier,
dao) # User specified identifier
spec.comment("\n*** Spec for robot motor control ***\n\n")
# Load the expected executable to the list of load targets for this core
# and the load addresses:
x, y, p = processor.get_coordinates()
populationIdentity = packet_conversions.get_key_from_coords(
x, y, p + 1) #our own key
file_path = os.path.join(dao.get_common_binaries_directory(),
'myorobot_motor_control.aplx')
executable_target = lib_map.ExecutableTarget(file_path, x, y, p)
memory_write_targets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int(
(dao.run_time * 1000.0) / dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memory_write_targets.append(
lib_map.MemWriteTarget(x, y, p, user1Addr, simulationTimeInTicks))
#reserve regions
self.reserve_memory_regions(spec)
#write system info
spec.switchWriteFocus(region=self.SYSTEM_REGION)
spec.write(data=0xBEEF0000)
spec.write(data=0)
spec.write(data=0)
spec.write(data=0)
edge_key = None
#locate correct subedge for key
for subedge in subvertex.out_subedges:
if subedge.edge == self.out_going_edge:
edge_key = subedge.key
#write params to memory
spec.switchWriteFocus(region=self.PARAMS)
spec.write(data=edge_key | self.myoID)
# spec.write(data=populationIdentity)
spec.write(data=spec.doubleToS1615(self.output_scale), sizeof='s1615')
spec.write(data=self.sample_time)
spec.write(data=spec.doubleToS1615(self.decay_factor), sizeof='s1615')
spec.write(data=spec.doubleToS1615(self.kernel_amplitude),
sizeof='s1615')
spec.write(data=self.threshold)
spec.write(data=self.n_neurons)
# End-of-Spec:
spec.endSpec()
spec.closeSpecFile()
load_targets = list()
# Return list of executables, load files:
return executable_target, load_targets, memory_write_targets
def generateDataSpec( self, processor, subvertex, dao ):
"""
Model-specific construction of the data blocks necessary to build a group
of IF_curr_exp neurons resident on a single core.
"""
# Get simulation information:
machineTimeStep = dao.machineTimeStep
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor, dao)
spec.initialise(self.core_app_identifier, dao) # User-specified identifier
spec.comment("\n*** Spec for block of %s neurons ***\n" % (self.model_name))
# Load the executable to the list of load targets for this core
# and the load addresses:
# TODO - AMMEND FOR BINARY SEARCH PATH IF DESIRED
x, y, p = processor.get_coordinates()
# Split binary name into title and extension
binaryTitle, binaryExtension = os.path.splitext(self._binary)
# If we have an STDP mechanism, add it's executable suffic to title
if self._stdp_mechanism is not None:
binaryTitle = binaryTitle + "_" + self._stdp_mechanism.get_vertex_executable_suffix()
# Rebuild executable name
binaryName = os.path.join(dao.get_common_binaries_directory(), binaryTitle + binaryExtension)
executableTarget = lib_map.ExecutableTarget(
binaryName,
x, y, p
)
# Calculate the number of time steps
no_machine_time_steps = int((dao.run_time * 1000.0) / machineTimeStep)
x,y,p = processor.get_coordinates()
# Calculate the size of the tables to be reserved in SDRAM:
neuronParamsSz = self.getNeuronParamsSize(subvertex.lo_atom,
subvertex.hi_atom)
synapseParamsSz = self.getSynapseParameterSize(subvertex.lo_atom,
subvertex.hi_atom)
allSynBlockSz = self.getExactSynapticBlockMemorySize(subvertex)
spikeHistBuffSz = self.getSpikeBufferSize(subvertex.lo_atom,
subvertex.hi_atom, no_machine_time_steps)
potentialHistBuffSz = self.getVBufferSize(subvertex.lo_atom,
subvertex.hi_atom, no_machine_time_steps)
gsynHistBuffSz = self.getGSynBufferSize(subvertex.lo_atom,
subvertex.hi_atom, no_machine_time_steps)
stdpRegionSz = self.getSTDPParameterSize(subvertex.lo_atom,
subvertex.hi_atom, self.in_edges)
# Declare random number generators and distributions:
self.writeRandomDistributionDeclarations(spec, dao)
# Construct the data images needed for the Neuron:
self.reserveMemoryRegions(spec, SETUP_SIZE, neuronParamsSz,
synapseParamsSz, SynapticManager.ROW_LEN_TABLE_SIZE,
SynapticManager.MASTER_POPULATION_TABLE_SIZE, allSynBlockSz,
spikeHistBuffSz, potentialHistBuffSz, gsynHistBuffSz,
stdpRegionSz)
self.writeSetupInfo(spec, subvertex, spikeHistBuffSz,
potentialHistBuffSz, gsynHistBuffSz)
ring_buffer_shift = self.get_ring_buffer_to_input_left_shift(subvertex)
weight_scale = self.get_weight_scale(ring_buffer_shift)
logger.debug("Weight scale is {}".format(weight_scale))
self.writeNeuronParameters(spec, machineTimeStep, processor, subvertex,
ring_buffer_shift)
self.writeSynapseParameters(spec, machineTimeStep, subvertex)
self.writeSTDPParameters(spec, machineTimeStep, subvertex,
weight_scale, REGIONS.STDP_PARAMS)
self.writeRowLengthTranslationTable(spec, REGIONS.ROW_LEN_TRANSLATION)
self.writeSynapticMatrixAndMasterPopulationTable(spec, subvertex,
allSynBlockSz,
weight_scale,
REGIONS.MASTER_POP_TABLE,
REGIONS.SYNAPTIC_MATRIX)
for subedge in subvertex.in_subedges:
subedge.free_sublist()
# End the writing of this specification:
spec.endSpec()
spec.closeSpecFile()
# No memory writes required for this Data Spec:
memoryWriteTargets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int((dao.run_time * 1000.0)
/ dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memoryWriteTargets.append(lib_map.MemWriteTarget(x, y, p, user1Addr,
simulationTimeInTicks))
loadTargets = list()
# Return list of target cores, executables, files to load and
# memory writes to perform:
return executableTarget, loadTargets, memoryWriteTargets
def generateDataSpec(self, processor, subvertex, dao):
"""
Model-specific construction of the data blocks necessary to build a
single SpikeSource Array on one core.
"""
# Create new DataSpec for this processor:
spec = data_spec_gen.DataSpec(processor, dao)
spec.initialise(self.core_app_identifier, dao) # User specified identifier
spec.comment("\n*** Spec for SpikeSourceArray Instance ***\n\n")
# Define lists to hold information on files to load and memory to write
# in support of this application:
# Load the expected executable to the list of load targets for this core
# and the load addresses:
x, y, p = processor.get_coordinates()
executableTarget = lib_map.ExecutableTarget(dao.get_common_binaries_directory()
+ os.sep + 'spike_source_array.aplx',x, y, p)
# ###################################################################
# Reserve SDRAM space for memory areas:
spec.comment("\nReserving memory space for spike data region:\n\n")
machineTimeStep = dao.machineTimeStep # usec per simulation tick
no_machine_time_steps = int((dao.run_time * 1000.0) / machineTimeStep)
numNeurons, tableEntries, spikeBlocks, spikeRegionSize = \
self.processSpikeArrayInfo(subvertex, machineTimeStep)
if spikeRegionSize == 0:
spikeRegionSize = 4
# Calculate memory requirements:
blockIndexRegionSize = self.getBlockIndexBytes(len(tableEntries))
spikeHistoryRegionSz = self.getSpikeBufferSize(subvertex.lo_atom,
subvertex.hi_atom, no_machine_time_steps)
# Create the data regions for the spike source array:
self.reserveMemoryRegions(spec, SETUP_SZ, blockIndexRegionSize,
spikeRegionSize, spikeHistoryRegionSz)
self.writeSetupInfo(spec, subvertex, spikeHistoryRegionSz)
self.writeBlockIndexRegion(spec, subvertex, numNeurons, tableEntries)
self.writeSpikeDataRegion(spec, numNeurons, spikeBlocks)
# End-of-Spec:
spec.endSpec()
spec.closeSpecFile()
# No memory writes or loads required for this Data Spec:
memoryWriteTargets = list()
simulationTimeInTicks = INFINITE_SIMULATION
if dao.run_time is not None:
simulationTimeInTicks = int((dao.run_time * 1000.0)
/ dao.machineTimeStep)
user1Addr = 0xe5007000 + 128 * p + 116 # User1 location reserved for core p
memoryWriteTargets.append(lib_map.MemWriteTarget(x, y, p, user1Addr,
simulationTimeInTicks))
loadTargets = list()
# Return list of executables, load files:
return executableTarget, loadTargets, memoryWriteTargets