| # Copyright (c) 2019, 2021 The Regents of the University of California |
| # All Rights Reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer; |
| # redistributions in binary form must reproduce the above copyright |
| # notice, this list of conditions and the following disclaimer in the |
| # documentation and/or other materials provided with the distribution; |
| # neither the name of the copyright holders nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| from .celery import gem5app |
| import multiprocessing as mp |
| import time |
| |
| |
| @gem5app.task(bind=True, serializer="pickle") |
| def run_gem5_instance(self, gem5_run, cwd="."): |
| """ |
| Runs a gem5 instance with the script and any parameters to the script. |
| Note: this is "bound" which means self is the task that is running this. |
| """ |
| |
| gem5_run.run(self, cwd=cwd) |
| |
| |
| def run_single_job(run): |
| start_time = time.time() |
| print(f"Running {' '.join(run.command)} at {time.time()}") |
| run.run() |
| finish_time = time.time() |
| print( |
| f"Finished {' '.join(run.command)} at {time.time()}. " |
| f"Total time = {finish_time - start_time}" |
| ) |
| |
| |
| def run_job_pool(job_list, num_parallel_jobs=mp.cpu_count() // 2): |
| """ |
| Runs gem5 jobs in parallel when Celery is not used. |
| Creates as many parallel jobs as core count if no explicit |
| job count is provided |
| Receives a list of run objects created by the launch script |
| """ |
| |
| pool = mp.Pool(num_parallel_jobs) |
| pool.map(run_single_job, job_list) |
| pool.close() |
| pool.join() |
| print(f"All jobs done running!") |