das-research/study.py

78 lines
2.4 KiB
Python

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