Source code for spinn_front_end_common.interface.interface_functions.insert_chip_power_monitors_to_graphs
# spinn front end common imports
from spinn_front_end_common.utility_models.\
chip_power_monitor_application_vertex import \
ChipPowerMonitorApplicationVertex
from spinn_front_end_common.utility_models.\
chip_power_monitor_machine_vertex import ChipPowerMonitorMachineVertex
# pacman imports
from pacman.model.graphs.common.slice import Slice
from pacman.model.constraints.placer_constraints.\
chip_and_core_constraint import ChipAndCoreConstraint
# utils imports
from spinn_utilities.progress_bar import ProgressBar
[docs]class InsertChipPowerMonitorsToGraphs(object):
""" function to add 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):
""" call that adds LPG 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 params and LPG vertex
"""
# create progress bar
progress_bar = ProgressBar(
len(list(machine.chips)),
string_describing_what_being_progressed=(
"Adding Chip power monitors to Graph"))
for chip in progress_bar.over(machine.chips):
# build constraint
constraint = ChipAndCoreConstraint(chip.x, chip.y)
# build machine vert
machine_vertex = ChipPowerMonitorMachineVertex(
label="chip_power_monitor_machine_vertex_for_chip({}:{})".
format(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 = \
ChipPowerMonitorApplicationVertex(
label="chip_power_monitor_application_vertex_for"
"_chip({}:{})".format(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)