Source code for spinn_front_end_common.interface.interface_functions.chip_runtime_updater
# Copyright (c) 2015 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_utilities.progress_bar import ProgressBar
from spinnman.model.enums import CPUState
from spinn_front_end_common.data import FecDataView
from spinn_front_end_common.utilities.utility_objs import ExecutableType
from spinn_front_end_common.utilities.scp import UpdateRuntimeProcess
[docs]def chip_runtime_updater(n_sync_steps):
"""
Updates the runtime of an application running on a SpiNNaker machine.
:param n_sync_steps:
:type n_sync_steps: int or None
"""
core_subsets = FecDataView.get_executable_types()[
ExecutableType.USES_SIMULATION_INTERFACE]
n_cores = len(core_subsets)
ready_progress = ProgressBar(
n_cores, "Waiting for cores to be either in PAUSED or READY state")
FecDataView.get_transceiver().wait_for_cores_to_be_in_state(
core_subsets, FecDataView.get_app_id(),
[CPUState.PAUSED, CPUState.READY],
error_states=frozenset({
CPUState.RUN_TIME_EXCEPTION, CPUState.WATCHDOG,
CPUState.FINISHED}), progress_bar=ready_progress, timeout=n_cores)
ready_progress.end()
run_until_timesteps = FecDataView.get_current_run_timesteps()
if run_until_timesteps is None:
infinite_run = 1
run_until_timesteps = 0
current_timesteps = 0
else:
infinite_run = 0
current_timesteps = FecDataView.get_first_machine_time_step()
process = UpdateRuntimeProcess(FecDataView.get_scamp_connection_selector())
process.update_runtime(
current_timesteps, run_until_timesteps, infinite_run, core_subsets,
len(core_subsets), n_sync_steps)