def simrun(a, b):
sim = simulus.simulator() # create an anonymous simulator
dc = simulus.DataCollector(
system_times='dataseries') # statistics collection
q = mg1(sim, 1.2, a, b, dc) # create m/g/1 queue
sim.run(1000)
return dc.system_times.mean()
def __init__(self, num_proc, backfill, path):
self.jobs = {}
self.schedule = []
self.waiting = []
self.running = []
self.backfill = backfill
self.path = path
self.stats = {}
self.cluster = Cluster(num_proc, num_proc, num_proc)
self.sim = simulus.simulator()
def sim_run(qdis):
global sim, inter_arrival_time, service_time, server
sim = simulus.simulator()
inter_arrival_time = exp_generator(1.2, sim.rng().randrange(2**32))
service_time = truncnorm_generator(0, 1.6, sim.rng().randrange(2**32))
dc = simulus.DataCollector(system_times='dataseries(all)')
server = sim.resource(collect=dc, qdis=qdis)
sim.process(gen_arrivals)
sim.run(50000)
return np.array(dc.system_times.data())
def sim_run():
global sim, inter_arrival_time, service_time, server, low_waits, high_waits
sim = simulus.simulator()
inter_arrival_time = exp_generator(1.2, sim.rng().randrange(2**32))
service_time = truncnorm_generator(0, 1.6, sim.rng().randrange(2**32))
dc = simulus.DataCollector(system_times='dataseries(all)')
server = sim.resource(collect=dc, qdis=simulus.QDIS.PRIORITY)
sim.process(gen_arrivals)
low_waits, high_waits = [], []
sim.run(50000)
return np.array(
dc.system_times.data()), np.array(low_waits), np.array(high_waits)
def __init__(self,
input,
n,
location_sampler=random.sample,
strategy_generator=lambda: random.uniform(.5, 1.),
rate_generator=lambda: abs(random.normalvariate(1, .5)),
person_mover=random.uniform,
fire_mover=random.sample,
fire_rate=2,
bottleneck_delay=1,
animation_delay=.1,
verbose=False,
**kwargs):
'''
constructor method
---
graph (dict): a representation of the floor plan as per our
specification
n (int): number of people in the simulation
'''
self.sim = simulus.simulator()
self.parser = FloorParser()
self.animation_delay = animation_delay
self.verbose = verbose
with open(input, 'r') as f:
self.graph = self.parser.parse(f.read())
self.numpeople = n
self.location_sampler = location_sampler
self.strategy_generator = strategy_generator
self.rate_generator = rate_generator
self.person_mover = person_mover
self.fire_mover = fire_mover
self.fire_rate = fire_rate
self.bottleneck_delay = bottleneck_delay
self.kwargs = kwargs
self.setup()
in_systems.append((sim.now, len(queue)))
waits.append(sim.now - t)
# there are remaining customers in system
if len(queue) > 0:
# schedule the next customer's departure
sim.sched(depart, offset=next(service_time))
random.seed(13579) # global random seed
queue = deque()
in_systems = [(0, 0)]
waits = []
sim = simulus.simulator('ssq')
inter_arrival_time = exp_generator(1.2, sim.rng().randrange(2**32))
service_time = exp_generator(0.8, sim.rng().randrange(2**32))
sim.sched(arrive, offset=next(inter_arrival_time))
sim.run(10000)
print('wait times: %r...' % waits[:3])
print('number customers in systems: %r...' % in_systems[:3])
waits = np.array(waits)
print("wait time: mean=%g, stdev=%g" % (waits.mean(), waits.std()))
# area under curve divided by time is the
# average number of customers in system
auc, last_t, last_l = 0, 0, 0
for t, l in in_systems:
demand_response_arrival = True
# create a job dictionary with the necessary job information
job = {
"job_id": raw_job["job_id"],
"submit_time": raw_job["submit_time"],
"num_req_processors": raw_job["num_req_processors"], #number of required processors
"freq": freq,
"regress_coeff_runtime": runtime_reg,
"regress_coeff_power": power_reg,
"dr_arrival": demand_response_arrival,
}
processed_jobs.append(job)
# instead of passing actual runtime as arguments, regression
# coefficients is passed
runtime_reg = regression(freq, runtime, 2) # regression coefficients for runtime
power_reg = regression(freq, power, 3) # regression coefficients for power usage
return processed_jobs
model_parameters = {
"debug_options": set(["job_stat"]),
}
trace_file_path = "../data/UniLu-Gaia-2014-5K"
jobs = process_trace_jobs(trace_file_path)
sim = simulus.simulator()
JobScheduler(sim, jobs, model_parameters)
sim.run()
# the arrived customer is the only one in system
if len(self.queue) == 1:
# schedule the customer's departure
self.sim.sched(self.depart, offset=next(self.service_time))
def depart(self):
'''Event handler for customer departure.'''
log.info('%g: customer departs (num_in_system=%d->%d)' %
(sim.now, len(self.queue), len(self.queue) - 1))
# remove a customer from the head of the queue
t = self.queue.popleft()
self.in_systems.append((self.sim.now, len(self.queue)))
self.waits.append(self.sim.now - t)
# there are remaining customers in system
if len(self.queue) > 0:
# schedule the next customer's departure
self.sim.sched(self.depart, offset=next(self.service_time))
if __name__ == '__main__':
logging.basicConfig()
logging.getLogger(__name__).setLevel(logging.DEBUG)
random.seed(13579) # global random seed
sim = simulus.simulator('mm1') # create a simulator instance
q = mm1(sim, 1.2, 0.8) # create the m/m/1 queue
sim.run(10)
def __init__(self):
self.sim = simulus.simulator()
self.pre = None # Pre-event function
self.pre_args = None
self.post = None # Post-event function
self.post_args = None
def simrun(a, b):
sim = simulus.simulator() # create an anonymous simulator
dc = simulus.DataCollector(
system_times='dataseries') # statistics collection
q = mg1(sim, 1.2, a, b, dc) # create m/g/1 queue
sim.run(1000)
return dc.system_times.mean()
if __name__ == '__main__':
# set debug level logging (will print all info messages)
logging.basicConfig()
logging.getLogger(__name__).setLevel(logging.DEBUG)
random.seed(13579) # global random seed
sim = simulus.simulator('mg1') # create an anonymous simulator instance
q = mg1(sim, 1.2, 0, 0.8) # create the m/g/1 queue
sim.run(10)
# turn logging to warning level (will skip all info messages)
logging.getLogger(__name__).setLevel(logging.WARNING)
x = np.linspace(0.1, 3.0, 10)
print('b\tmean\tlow\thigh')
for b in x:
# list of mean wait time from 25 trials
z = []
for _ in range(25):
z.append(simrun(0, b))
z = np.array(z)