Source code for spinn_front_end_common.utility_models.streaming_context_manager
# 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.
[docs]class StreamingContextManager(object):
"""
The implementation of the context manager object for streaming
configuration control.
"""
__slots__ = ["_gatherers"]
def __init__(self, gatherers):
"""
:param iterable(DataSpeedUpPacketGatherMachineVertex) gatherers:
"""
self._gatherers = list(gatherers)
def __enter__(self):
for gatherer in self._gatherers:
gatherer.load_system_routing_tables()
for gatherer in self._gatherers:
gatherer.set_cores_for_data_streaming()
def __exit__(self, _type, _value, _tb):
for gatherer in self._gatherers:
gatherer.unset_cores_for_data_streaming()
for gatherer in self._gatherers:
gatherer.load_application_routing_tables()
return False