Source code for spinn_front_end_common.utilities.report_functions.fixed_route_from_machine_report
# Copyright (c) 2017 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.
import os
from spinn_utilities.progress_bar import ProgressBar
from spinn_front_end_common.data import FecDataView
[docs]def fixed_route_from_machine_report():
"""
Writes the fixed routes from the machine.
"""
file_name = os.path.join(
FecDataView.get_run_dir_path(), "fixed_route_routers")
transceiver = FecDataView.get_transceiver()
machine = FecDataView.get_machine()
progress = ProgressBar(machine.n_chips, "Writing fixed route report")
app_id = FecDataView.get_app_id()
with open(file_name, "w", encoding="utf-8") as f:
f.write(" x y route [cores][links]\n")
for chip in progress.over(machine.chips):
fixed_route = transceiver.read_fixed_route(
chip.x, chip.y, app_id)
f.write("{: <3s}:{: <3s} contains route {: <10s} {}\n".format(
str(chip.x), str(chip.y),
_reduce_route_value(
fixed_route.processor_ids, fixed_route.link_ids),
_expand_route_value(
fixed_route.processor_ids, fixed_route.link_ids)))
def _reduce_route_value(processors_ids, link_ids):
value = 0
for link in link_ids:
value += 1 << link
for processor in processors_ids:
value += 1 << (processor + 6)
return str(value)
def _expand_route_value(processors_ids, link_ids):
"""
Convert a 32-bit route word into a string which lists the target
cores and links.
"""
# Convert processor targets to readable values:
route_string = "["
separator = ""
for processor in processors_ids:
route_string += separator + str(processor)
separator = ", "
route_string += "] ["
# Convert link targets to readable values:
link_labels = {0: 'E', 1: 'NE', 2: 'N', 3: 'W', 4: 'SW', 5: 'S'}
separator = ""
for link in link_ids:
route_string += separator + link_labels[link]
separator = ", "
route_string += "]"
return route_string