/
benchmark.py
77 lines (53 loc) · 1.9 KB
/
benchmark.py
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import datetime
import os
import shutil
from fmpy import read_model_description, extract
from fmpy.fmi2 import FMU2Slave
class TestOptions:
def __init__(self, fmu_filename, step_size, stop_time, vr):
self.fmu_filename = fmu_filename
self.step_size = step_size
self.stop_time = stop_time
self.vr = vr
TEST_FMUs = os.environ.get('TEST_FMUs')
options = TestOptions("{}/FMI_2.0/CoSimulation/win64/FMUSDK/2.0.4/BouncingBall/bouncingBall.fmu".format(TEST_FMUs),
1E-3, 50, 0)
# options = TestOptions("{}/FMI_2.0/CoSimulation/win64/20sim/4.6.4.8004/TorsionBar/TorsionBar.fmu", 1E-5, 12, 2)
def main():
model_description = read_model_description(options.fmu_filename)
unzipdir = extract(options.fmu_filename)
fmu = FMU2Slave(guid=model_description.guid,
unzipDirectory=unzipdir,
modelIdentifier=model_description.coSimulation.modelIdentifier,
instanceName='instance1')
# initialize
fmu.instantiate()
fmu.setupExperiment(tolerance=1E-4, startTime=0.0, stopTime=options.stop_time)
fmu.enterInitializationMode()
fmu.exitInitializationMode()
start = datetime.datetime.now()
t = 0.0
sum = 0.0
i = 0
# simulation loop
while t < options.stop_time-options.step_size:
i += 1
# perform one step
fmu.doStep(currentCommunicationPoint=t, communicationStepSize=options.step_size)
sum += fmu.getReal([options.vr])[0]
#print("h={}".format(h))
# advance the time
t += options.step_size
end = datetime.datetime.now()
print("sum={}, iter={}".format(sum, i))
delta = end - start
print("{}ms".format(int(delta.total_seconds() * 1000)))
try:
fmu.terminate()
except OSError:
pass
fmu.freeInstance()
# clean up
shutil.rmtree(unzipdir)
if __name__ == '__main__':
main()