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)
