78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
#! /bin/python3
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import time, sys, random, copy
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import importlib
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from joblib import Parallel, delayed
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from DAS import *
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# Parallel execution:
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# The code currently uses 'joblib' to execute on multiple cores. For other options such as 'ray', see
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# https://stackoverflow.com/questions/9786102/how-do-i-parallelize-a-simple-python-loop
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# For fixing logging issues in parallel execution, see
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# https://stackoverflow.com/questions/58026381/logging-nested-functions-using-joblib-parallel-and-delayed-calls
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# and https://github.com/joblib/joblib/issues/1017
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def initLogger(config):
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"""It initializes the logger."""
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logger = logging.getLogger("Study")
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logger.setLevel(config.logLevel)
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ch = logging.StreamHandler()
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ch.setLevel(config.logLevel)
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ch.setFormatter(CustomFormatter())
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logger.addHandler(ch)
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return logger
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def runOnce(config, shape, execID):
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if config.deterministic:
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shape.setSeed(config.randomSeed+"-"+str(shape))
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random.seed(shape.randomSeed)
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sim = Simulator(shape, config, execID)
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sim.initLogger()
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sim.initValidators()
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sim.initNetwork()
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result = sim.run()
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sim.logger.info("Shape: %s ... Block Available: %d in %d steps" % (str(sim.shape.__dict__), result.blockAvailable, len(result.missingVector)), extra=sim.format)
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if config.dumpXML:
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result.dump(execID)
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return result
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def study():
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if len(sys.argv) < 2:
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print("You need to pass a configuration file in parameter")
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exit(1)
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try:
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config = importlib.import_module(sys.argv[1])
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except ModuleNotFoundError as e:
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try:
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config = importlib.import_module(str(sys.argv[1]).replace(".py", ""))
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except ModuleNotFoundError as e:
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print(e)
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print("You need to pass a configuration file in parameter")
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exit(1)
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logger = initLogger(config)
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format = {"entity": "Study"}
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results = []
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now = datetime.now()
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execID = now.strftime("%Y-%m-%d_%H-%M-%S_")+str(random.randint(100,999))
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logger.info("Starting simulations:", extra=format)
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start = time.time()
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results = Parallel(config.numJobs)(delayed(runOnce)(config, shape ,execID) for shape in config.nextShape())
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end = time.time()
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logger.info("A total of %d simulations ran in %d seconds" % (len(results), end-start), extra=format)
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if config.visualization:
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vis = Visualizer(execID)
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vis.plotHeatmaps()
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if __name__ == "__main__":
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study()
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