Source code for spinn_front_end_common.interface.interface_functions.insert_chip_power_monitors_to_graphs
# Copyright (c) 2017-2019 The University of Manchester
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from spinn_utilities.progress_bar import ProgressBar
from pacman.model.graphs.common import Slice
from pacman.model.constraints.placer_constraints import ChipAndCoreConstraint
from spinn_front_end_common.utility_models import (
ChipPowerMonitor, ChipPowerMonitorMachineVertex)
_LABEL = "chip_power_monitor_{}_vertex_for_chip({}:{})"
[docs]class InsertChipPowerMonitorsToGraphs(object):
""" Adds chip power monitors into a given graph.
"""
def __call__(
self, machine, machine_graph, n_samples_per_recording,
sampling_frequency, application_graph=None, graph_mapper=None):
""" Adds chip power monitor vertices on Ethernet connected chips as\
required.
:param machine: the SpiNNaker machine as discovered
:param application_graph: the application graph
:param machine_graph: the machine graph
:return: mapping between LPG parameters and LPG vertex
"""
# pylint: disable=too-many-arguments
# create progress bar
progress = ProgressBar(
machine.n_chips, "Adding Chip power monitors to Graph")
for chip in progress.over(machine.chips):
self._add_power_monitor_for_chip(
chip, machine_graph, application_graph, graph_mapper,
sampling_frequency, n_samples_per_recording)
@staticmethod
def _add_power_monitor_for_chip(
chip, machine_graph, application_graph, graph_mapper,
sampling_frequency, n_samples_per_recording):
# build constraint
constraint = ChipAndCoreConstraint(chip.x, chip.y)
# build machine vert
machine_vertex = ChipPowerMonitorMachineVertex(
label=_LABEL.format("machine", chip.x, chip.y),
sampling_frequency=sampling_frequency,
n_samples_per_recording=n_samples_per_recording,
constraints=[constraint])
# add vert to graph
machine_graph.add_vertex(machine_vertex)
# deal with app graphs if needed
if application_graph is not None:
# build app vertex
vertex_slice = Slice(0, 0)
application_vertex = ChipPowerMonitor(
label=_LABEL.format("application", chip.x, chip.y),
constraints=[constraint],
sampling_frequency=sampling_frequency,
n_samples_per_recording=n_samples_per_recording)
# add to graph
application_graph.add_vertex(application_vertex)
# update graph mapper
graph_mapper.add_vertex_mapping(
machine_vertex, vertex_slice, application_vertex)