def __init__(self,
prevertex,
postvertex,
machine_time_step,
connector=None,
synapse_list=None,
synapse_dynamics=None,
constraints=None,
label=None):
super(ProjectionEdge, self).__init__(prevertex,
postvertex,
constraints=constraints,
label=label)
self.connector = connector
self.synapse_dynamics = synapse_dynamics
self.synapse_list = synapse_list
self.synapse_row_io = FixedSynapseRowIO()
# If the synapse_list was not specified, create it using the connector
if connector is not None and synapse_list is None:
self.synapse_list = connector.generate_synapse_list(
prevertex, postvertex, 1000.0 / machine_time_step)
# If there are synapse dynamics for this connector, create a plastic
# synapse list
if synapse_dynamics is not None:
self.synapse_row_io = synapse_dynamics.get_synapse_row_io()
def __init__(self, prevertex, postvertex, machine_time_step,
connector=None, synapse_list=None,
synapse_dynamics=None, constraints=None, label=None):
super(ProjectionEdge, self).__init__(prevertex, postvertex,
constraints=constraints, label=label)
self.connector = connector
self.synapse_dynamics = synapse_dynamics
self.synapse_list = synapse_list
self.synapse_row_io = FixedSynapseRowIO()
# If the synapse_list was not specified, create it using the connector
if connector is not None and synapse_list is None:
self.synapse_list = connector.generate_synapse_list(prevertex,
postvertex, 1000.0 / machine_time_step)
# If there are synapse dynamics for this connector, create a plastic
# synapse list
if synapse_dynamics is not None:
self.synapse_row_io = synapse_dynamics.get_synapse_row_io()
class ProjectionEdge(Edge):
def __init__(self,
prevertex,
postvertex,
machine_time_step,
connector=None,
synapse_list=None,
synapse_dynamics=None,
constraints=None,
label=None):
super(ProjectionEdge, self).__init__(prevertex,
postvertex,
constraints=constraints,
label=label)
self.connector = connector
self.synapse_dynamics = synapse_dynamics
self.synapse_list = synapse_list
self.synapse_row_io = FixedSynapseRowIO()
# If the synapse_list was not specified, create it using the connector
if connector is not None and synapse_list is None:
self.synapse_list = connector.generate_synapse_list(
prevertex, postvertex, 1000.0 / machine_time_step)
# If there are synapse dynamics for this connector, create a plastic
# synapse list
if synapse_dynamics is not None:
self.synapse_row_io = synapse_dynamics.get_synapse_row_io()
def create_subedge(self, presubvertex, postsubvertex):
"""
Creates a subedge from this edge
"""
return ProjectionSubedge(self, presubvertex, postsubvertex)
def filterSubEdge(self, subedge):
"""
Method is called to allow a given sub-edge to prune itself if it
serves no purpose.
:return: True if the partricular sub-edge can be pruned, and
False otherwise.
"""
return self.synapse_list.is_connected(subedge.presubvertex.lo_atom,
subedge.presubvertex.hi_atom,
subedge.postsubvertex.lo_atom,
subedge.postsubvertex.hi_atom)\
== False
def get_max_n_words(self, lo_atom=None, hi_atom=None):
"""
Gets the maximum number of words for a subvertex at the end of the
connection
:param lo_atom: The start of the range of atoms in
the subvertex (default is first atom)
:param hi_atom: The end of the range of atoms in
the subvertex (default is last atom)
"""
return max([
self.synapse_row_io.get_n_words(synapse_row, lo_atom, hi_atom)
for synapse_row in self.synapse_list.get_rows()
])
def get_n_rows(self):
"""
Gets the number of synaptic rows coming in to a subvertex at the end of
the connection
"""
return self.synapse_list.get_n_rows()
def get_synapse_row_io(self):
"""
Gets the row reader and writer
"""
return self.synapse_row_io
def get_synaptic_data(self, controller, min_delay):
'''
Get synaptic data for all connections in this Projection.
'''
logger.info("Reading synapse data for edge between {} and {}".format(
self.prevertex.label, self.postvertex.label))
sorted_subedges = sorted(
self.subedges,
key=lambda subedge:
(subedge.presubvertex.lo_atom, subedge.postsubvertex.lo_atom))
synaptic_list = list()
last_pre_lo_atom = None
for subedge in sorted_subedges:
rows = None
if subedge.pruneable:
rows = [
SynapseRowInfo([], [], [], [])
for _ in range(subedge.presubvertex.n_atoms)
]
else:
rows = subedge.get_synaptic_data(controller,
min_delay).get_rows()
if (last_pre_lo_atom is None) or (last_pre_lo_atom !=
subedge.presubvertex.lo_atom):
synaptic_list.extend(rows)
last_pre_lo_atom = subedge.presubvertex.lo_atom
else:
for i in range(len(rows)):
row = rows[i]
synaptic_list[i + last_pre_lo_atom].append(
row, lo_atom=subedge.postsubvertex.lo_atom)
return SynapticList(synaptic_list)
class ProjectionEdge(Edge):
def __init__(self, prevertex, postvertex, machine_time_step,
connector=None, synapse_list=None,
synapse_dynamics=None, constraints=None, label=None):
super(ProjectionEdge, self).__init__(prevertex, postvertex,
constraints=constraints, label=label)
self.connector = connector
self.synapse_dynamics = synapse_dynamics
self.synapse_list = synapse_list
self.synapse_row_io = FixedSynapseRowIO()
# If the synapse_list was not specified, create it using the connector
if connector is not None and synapse_list is None:
self.synapse_list = connector.generate_synapse_list(prevertex,
postvertex, 1000.0 / machine_time_step)
# If there are synapse dynamics for this connector, create a plastic
# synapse list
if synapse_dynamics is not None:
self.synapse_row_io = synapse_dynamics.get_synapse_row_io()
def create_subedge(self, presubvertex, postsubvertex):
"""
Creates a subedge from this edge
"""
return ProjectionSubedge(self, presubvertex, postsubvertex)
def filterSubEdge(self, subedge):
"""
Method is called to allow a given sub-edge to prune itself if it
serves no purpose.
:return: True if the partricular sub-edge can be pruned, and
False otherwise.
"""
return self.synapse_list.is_connected(subedge.presubvertex.lo_atom,
subedge.presubvertex.hi_atom,
subedge.postsubvertex.lo_atom,
subedge.postsubvertex.hi_atom)\
== False
def get_max_n_words(self, lo_atom=None, hi_atom=None):
"""
Gets the maximum number of words for a subvertex at the end of the
connection
:param lo_atom: The start of the range of atoms in
the subvertex (default is first atom)
:param hi_atom: The end of the range of atoms in
the subvertex (default is last atom)
"""
return max([self.synapse_row_io.get_n_words(synapse_row, lo_atom,
hi_atom) for synapse_row in self.synapse_list.get_rows()])
def get_n_rows(self):
"""
Gets the number of synaptic rows coming in to a subvertex at the end of
the connection
"""
return self.synapse_list.get_n_rows()
def get_synapse_row_io(self):
"""
Gets the row reader and writer
"""
return self.synapse_row_io
def get_synaptic_data(self, controller, min_delay):
'''
Get synaptic data for all connections in this Projection.
'''
logger.info("Reading synapse data for edge between {} and {}".format(
self.prevertex.label, self.postvertex.label))
sorted_subedges = sorted(self.subedges,
key = lambda subedge: (subedge.presubvertex.lo_atom,
subedge.postsubvertex.lo_atom))
synaptic_list = list()
last_pre_lo_atom = None
for subedge in sorted_subedges:
rows = None
if subedge.pruneable:
rows = [SynapseRowInfo([], [], [], [])
for _ in range(subedge.presubvertex.n_atoms)]
else:
rows = subedge.get_synaptic_data(controller, min_delay).get_rows()
if (last_pre_lo_atom is None) or (last_pre_lo_atom
!= subedge.presubvertex.lo_atom):
synaptic_list.extend(rows)
last_pre_lo_atom = subedge.presubvertex.lo_atom
else:
for i in range(len(rows)):
row = rows[i]
synaptic_list[i + last_pre_lo_atom].append(row,
lo_atom=subedge.postsubvertex.lo_atom)
return SynapticList(synaptic_list)
