Source code for spinn_front_end_common.interface.interface_functions.command_sender_adder
# Copyright (c) 2022 The University of Manchester
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from spinn_front_end_common.data.fec_data_view import FecDataView
from spinn_front_end_common.abstract_models import (
AbstractSendMeMulticastCommandsVertex)
from spinn_front_end_common.utility_models import CommandSender
from pacman.model.graphs.application import ApplicationVirtualVertex
from pacman.model.placements import Placement
from pacman.model.partitioner_splitters import SplitterOneAppOneMachine
from spinn_utilities.progress_bar import ProgressBar
[docs]def add_command_senders(system_placements):
"""
Add command senders
"""
return CommandSenderAdder(system_placements).add_command_senders()
class CommandSenderAdder(object):
__slots__ = [
"__command_sender_for_chip",
"__general_command_sender",
"__system_placements"
]
def __init__(self, system_placements):
self.__system_placements = system_placements
# Keep track of command senders by which chip they are on
self.__command_sender_for_chip = dict()
self.__general_command_sender = None
def add_command_senders(self):
progress = ProgressBar(FecDataView.get_n_vertices(), "Adding commands")
for vertex in progress.over(FecDataView.iterate_vertices()):
if isinstance(vertex, AbstractSendMeMulticastCommandsVertex):
machine = FecDataView.get_machine()
link_data = None
# See if we need a specific placement for a device
if isinstance(vertex, ApplicationVirtualVertex):
link_data = vertex.get_outgoing_link_data(machine)
command_sender = self.__get_command_sender(link_data)
# allow the command sender to create key to partition map
command_sender.add_commands(
vertex.start_resume_commands,
vertex.pause_stop_commands,
vertex.timed_commands, vertex)
all_command_senders = list(self.__command_sender_for_chip.values())
if self.__general_command_sender is not None:
all_command_senders.append(self.__general_command_sender)
return all_command_senders
def __cores(self, x, y):
return [p.processor_id
for p in FecDataView.get_chip_at(x, y).processors
if not p.is_monitor]
def __get_command_sender(self, link_data):
if link_data is None:
if self.__general_command_sender is None:
self.__general_command_sender = self.__new_command_sender(
"General command sender")
return self.__general_command_sender
x = link_data.connected_chip_x
y = link_data.connected_chip_y
command_sender = self.__command_sender_for_chip.get((x, y))
if command_sender is None:
command_sender = self.__new_command_sender(
f"Command Sender on {x}, {y}")
self.__command_sender_for_chip[(x, y)] = command_sender
cores = self.__cores(x, y)
p = cores[self.__system_placements.n_placements_on_chip(x, y)]
self.__system_placements.add_placement(
Placement(command_sender.machine_vertex, x, y, p))
return command_sender
def __new_command_sender(self, label):
command_sender = CommandSender(label)
command_sender.splitter = SplitterOneAppOneMachine()
return command_sender