def task_3_2_2():
"""
Here, we execute task 3.2.2 and print the results to the console.
The first result string keeps the results for 100s, the second one for 1000s simulation time.
"""
# TODO Task 3.2.2: Your code goes here
rho = [.01, .5, .8, .9]
system_utilization_result = []
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.SIM_TIME = 100000
sim.sim_param.S = 5
for r in rho:
sim.sim_param.RHO = r
sim.reset()
system_utilization_result.append(sim.do_simulation().system_utilization)
print "The system utilization results for a simulation time of 100s :"
print system_utilization_result
rho = [.01, .5, .8, .9]
system_utilization_result = []
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.SIM_TIME = 1000000
sim.sim_param.S = 5
for r in rho:
sim.sim_param.RHO = r
sim.reset()
system_utilization_result.append(sim.do_simulation().system_utilization)
print "The system utilization results for a simulation time of 1000s :"
print system_utilization_result
def task_2_7_2():
"""
Here, you can execute task 2.7.2 if you want to execute it in a separate function
"""
# TODO Task 2.7.2: Your code goes here or in the function above
sim_param = SimParam()
random.seed(sim_param.SEED)
sim_param.SIM_TIME = 1000000
sim = Simulation(sim_param)
return do_simulation_study(sim)
def task_1_7_2():
"""
Execute task 1.7.2 and perform a simulation study according to the task assignment.
:return: Minimum number of buffer spaces to meet requirements.
"""
sim_param = SimParam()
random.seed(sim_param.SEED)
sim_param.SIM_TIME = 1000000
sim_param.MAX_DROPPED = 100
sim_param.NO_OF_RUNS = 100
sim = Simulation(sim_param)
return do_simulation_study(sim)
def task_4_3_1():
"""
Run the correlation tests for given rho for all correlation counters in counter collection.
After each simulation, print report results.
SIM_TIME is set higher in order to avoid a large influence of startup effects
"""
# TODO Task 4.3.1: Your code goes here
rho = [0.01, 0.5, 0.8, 0.95]
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.SIM_TIME = 1000000
sim.sim_param.S = 10000
for r in rho:
print "---------- rho = ,", r, " ---------"
sim.sim_param.RHO = r
sim.reset()
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
sim.do_simulation()
print "Correlation between IAT and waiting time of a packet : ", sim.counter_collection.cnt_iat_wt.get_cor(
)
print "Correlation between IAT and serving time of a packet : ", sim.counter_collection.cnt_iat_st.get_cor(
)
print "Correlation between IAT and system time (waiting time + serving time) of a packet : ", sim.counter_collection.cnt_iat_syst.get_cor(
)
print "Correlation between service time and system time of a packet : ", sim.counter_collection.cnt_st_syst.get_cor(
)
print "Auto-correlation of waiting time with lags ranging from 1 to 20 : ", sim.counter_collection.acnt_wt.get_auto_cor(
2)
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
if no_seed:
#if the mean = 1.0, then 1/lambda_ = 1.0 -> lambda_ = 1
self.rng = RNG(ExponentialRNS(1.0),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1.0, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
def task_4_3_1():
"""
Run the correlation tests for given rho for all correlation counters in counter collection.
After each simulation, print report results.
SIM_TIME is set higher in order to avoid a large influence of startup effects
"""
# TODO Task 4.3.1: Your code goes here
sim_param = SimParam()
sim = Simulation(sim_param)
sim.sim_param.S = 10000
sim.sim_param.SIM_TIME = 10000000
for rho in [0.01, 0.5, 0.8, 0.95]:
sim.sim_param.RHO = rho
sim.reset()
sim.counter_collection.reset()
sim = sim.do_simulation().sim
print("RHO = " + str(rho))
print("Correlation between IAT and waiting time of a packet = " +
str(sim.counter_collection.cnt_iat_wt.get_cor()))
print("Correlation between IAT and serving time of a packet = " +
str(sim.counter_collection.cnt_iat_st.get_cor()))
print(
"Correlation between IAT and system time (waiting time + serving time) of a packet = "
+ str(sim.counter_collection.cnt_iat_syst.get_cor()))
print(
"Correlation between serving time and system time of a packet = " +
str(sim.counter_collection.cnt_st_syst.get_cor()))
for lag in range(0, 21):
print(
"Lag = " + str(lag) +
" Auto-correlation of waiting time with lags ranging from 1 to 20 = "
+ str(sim.counter_collection.acnt_wt.get_auto_cor(lag)))
print(" ")
def __init__(self, user_id, dist=10, slice_list=[], sim_param=SimParam()):
"""
"""
self.user_id = user_id
self.slice_list = slice_list
self.sim_param = sim_param
self.distance = dist # np.random.uniform(self.sim_param.dist_range)
if self.sim_param.cts_service:
self.channel = ChannelModalCts(self)
else:
self.channel = ChannelModal(self)
self.traffic_generator = TrafficGenerator(self)
self.traffic_list = []
self.traffic_list_dict = {}
for i in self.slice_list:
if 0: #i.slice_param.SLICE_ID==0:
self.traffic_list.append(
self.traffic_generator.periodic_arrivals(i)) # for RR
else:
self.traffic_list.append(
self.traffic_generator.poisson_arrivals(i))
self.traffic_list_dict.update(
{i.slice_param.SLICE_ID: self.traffic_list[-1]})
def __init__(self, t_final: int = 1000):
"""
Main ran_simulation
"""
sim_param = SimParam(t_final)
self.initialize_spaces (sim_param)
# other attributes of ran_environment
self.state = None
self.sim_param = sim_param
#self.C_algo = 'RL'
self.slice_scores = None # slice scores for reward method 3
self.user_scores = None
# generate seed values
new_seed = seeding.create_seed()
self.sim_param.update_seeds(new_seed)
# initialize SD_RAN_Controller
self.SD_RAN_Controller = Controller(self.sim_param)
# data
self.user_score_arr = None
self.slice_score_arr = None
self.reward_hist = None
self.cost_tp_hist = None
self.cost_bp_hist = None
self.cost_delay_hist = None
self.reset_counter = 0
columns = 'reward_hist slice_score_0 slice_score_1 slice_score_2'
self.env_df = pd.DataFrame(columns=columns.split())
def task_5_2_4(rho, alpha, sim_time, num):
"""
Plot confidence interval as described in the task description for task 5.2.4.
We use the function plot_confidence() for the actual plotting and run our simulation several times to get the
samples. Due to the different configurations, we receive eight plots in two figures.
"""
# TODO Task 5.2.4: Your code goes here
#rho = 0.5 / alpha = 0.1 / Sim time = 100s
TIC_SU = TimeIndependentCounter("System Utilization")
TIC_CI = []
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.SIM_TIME = sim_time
sim.sim_param.S = 100000
sim.sim_param.RHO = rho
random.seed(sim.sim_param.SEED_IAT)
random.seed(sim.sim_param.SEED_ST)
for i in range(100):
for j in range(30):
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC_SU.count(sim.do_simulation().system_utilization)
sim.reset()
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC_CI.append(
(TIC_SU.get_mean() - TIC_SU.report_confidence_interval(alpha),
TIC_SU.get_mean() + TIC_SU.report_confidence_interval(alpha)))
TIC_SU.reset()
plot_confidence(sim, 100, TIC_CI, rho, "alpha=" + str(alpha), num, alpha)
def __init__(self, setting):
# Load simulation parameters
self.sim_param = SimParam(setting)
# Load simtime
if setting.dynamictest:
self.SIMTIME = setting.dynamictest.simtime
self.freeaccess = False
if setting.secondwindow.test_values[3]:
self.freeaccess = True
# Load the simulation state parameters
self.sim_state = SimState()
# Load the result parameters
self.sim_result = SimResult()
# Load the class which perfomrs all the methods governing a simple slot
self.slot = TreeSlot()
# Load the branch node which keeps track of a tree
self.branch_node = BranchNode()
# Create an array of integers of which will contain all active nodes.
self.active_array = []
# For gated access, the arrived packets are put into a queue
self.queue_array = []
# The number of packets generated in a single slot
self.packets_gen = 0
# THe result of a slot
self.result = 0
# The current slot no
self.slot_no = 0
# Load the parameters for single tree resolution
self.tree_state = TreeState(self)
def task_2_7_1():
"""
Here, you should execute task 2.7.1 (and 2.7.2, if you want).
"""
# TODO Task 2.7.1: Your code goes here
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
do_simulation_study(sim)
def task_2_7_1():
"""
Here, we execute tasks 2.7.1 and 2.7.2 in the same function. This makes sense, since we use only one figure with
four subfigures to display the plots, which makes comparability easier.
"""
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
return do_simulation_study(sim)
def task_5_2_2():
"""
Run simulation in batches. Start the simulation with running until a customer count of n=100 or (n=1000) and
continue to increase the number of customers by dn=n.
Count the blocking proabability for the batch and calculate the confidence interval width of all values, that have
been counted until now.
Do this until the desired confidence level is reached and print out the simulation time as well as the number of
batches.
"""
results = [None, None, None, None]
# TODO Task 5.2.2: Your code goes here
bp = []
hw = []
sim_param = SimParam()
sim = Simulation(sim_param)
sim.sim_param.S = 4
sim.sim_param.RHO = .9
err = .0015
half_width = 1.0
count_bp = TimeIndependentCounter()
i = 0
for batch in [100, 1000]:
for alpha in [.1, .05]:
first_batch = False
count_bp.reset()
sim.reset()
while 1:
blocking_pro = sim.do_simulation_n_limit(
batch, first_batch).blocking_probability
first_batch = True #after first batch
count_bp.count(blocking_pro)
half_width = count_bp.report_confidence_interval(alpha)
sim.sim_state.stop = False #set the parameter back to original value
sim.counter_collection.reset()
sim.sim_state.num_blocked_packets = 0
sim.sim_state.num_packets = 0
if half_width < err:
break
results[i] = sim.sim_state.now
bp.append(count_bp.get_mean())
hw.append(half_width)
i += 1
# print and return results
print("BATCH SIZE: 100; ALPHA: 10%; TOTAL SIMULATION TIME (SECONDS): " +
str(results[0] / 1000) + "; Blocking Probability Mean: " +
str(bp[0]) + "; Half width: " + str(hw[0]))
print("BATCH SIZE: 100; ALPHA: 5%; TOTAL SIMULATION TIME (SECONDS): " +
str(results[1] / 1000) + "; Blocking Probability Mean: " +
str(bp[1]) + "; Half width: " + str(hw[1]))
print("BATCH SIZE: 1000; ALPHA: 10%; TOTAL SIMULATION TIME (SECONDS): " +
str(results[2] / 1000) + "; Blocking Probability Mean: " +
str(bp[2]) + "; Half width: " + str(hw[2]))
print("BATCH SIZE: 1000; ALPHA: 5%; TOTAL SIMULATION TIME (SECONDS): " +
str(results[3] / 1000) + "; Blocking Probability Mean: " +
str(bp[3]) + "; Half width: " + str(hw[3]))
return results
def task_1_7_1():
"""
Execute task 1.7.1 and perform a simulation study according to the task assignment.
:return: Minimum number of buffer spaces to meet requirements.
"""
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
return do_simulation_study(sim)
def task_1_7_3(queue_size):
"""
Execute bonus task 1.7.3.
"""
# TODO Bonus Task 1.7.3: Your code goes here (if necessary)
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.S=queue_size
result_set=[]
for i in range(sim.sim_param.NO_OF_RUNS):
sim.reset()
sim_result=sim.do_simulation()
result_set.append(sim_result.blocking_probability)
result_length=len(result_set)
n, bins, patches = pylab.hist(result_set)
nc=np.cumsum(n/result_length)
cdf=[0.0]
for i in nc:
cdf.append(i)
sim_param = SimParam()
random.seed(sim_param.SEED)
sim_param.SIM_TIME = 1000000
sim_param.MAX_DROPPED = 100
sim_param.NO_OF_RUNS = 100
sim = Simulation(sim_param)
sim.sim_param.S=queue_size
result_set=[]
for i in range(sim.sim_param.NO_OF_RUNS):
sim.reset()
sim_result=sim.do_simulation()
result_set.append(sim_result.blocking_probability)
result_length=len(result_set)
n1, bins1, patches1 = pylab.hist(result_set)
nc1=np.cumsum(n/result_length)
cdf1=[0.0]
for i in nc:
cdf1.append(i)
pylab.figure(1)
pylab.xlabel('blocking_probability')
pylab.ylabel('density')
pylab.title('Histogram of the probability density function')
pylab.hist(n, bins)
pylab.hist(n1, bins1)
pylab.figure(2)
pylab.xlim(0.0,1.0)
pylab.ylim(0.0,1.0)
pylab.xlabel('blocking_probability')
pylab.ylabel('CDF')
pylab.title('CDF function')
line1, = pylab.plot(bins,cdf, marker='o', label='100000 ms, 10 MAX_DROPPED, 1000 runs')
line2, = pylab.plot(bins1,cdf1, marker='o', label='1000000 ms, 100 MAX_DROPPED, 100 runs')
pylab.legend(handler_map={line1: HandlerLine2D(numpoints=4)})
pylab.show()
def study_waiting_time():
sim_param = SimParam()
sim = Simulation(sim_param)
sim.sim_param.S = 5
sim.sim_param.SIM_TIME = 100000 # 100 seconds
num_run = 100
dataset = []
for run in range(num_run):
sim.reset()
random.seed()
sim.do_simulation()
# Take the values (waiting time) of the first 150 packets
dataset.append(sim.counter_collection.cnt_wt.values[0:150])
# Manipulate the data set
pkt_mean = []
for pkt in range(150):
s = 0
for run in range(num_run):
s += dataset[run][pkt]
pkt_mean.append(s/float(num_run))
plt.subplot(121)
plt.plot(pkt_mean)
plt.title("100s Run")
plt.xlabel("Packet Number")
plt.ylabel("Waiting Time (ms)")
sim.sim_param.SIM_TIME = 1000000
dataset = []
for run in range(num_run):
sim.reset()
random.seed()
sim.do_simulation()
# Take the values (waiting time) of the first 1900 packets
dataset.append(sim.counter_collection.cnt_wt.values[0:1800])
# Manipulate the dataset
pkt_mean = []
for pkt in range(1800):
s = 0
for run in range(num_run):
s += dataset[run][pkt]
pkt_mean.append(s / float(num_run))
plt.subplot(122)
plt.plot(pkt_mean)
plt.title("1000s Run")
plt.xlabel("Packet Number")
plt.ylabel("Waiting Time (ms)")
def task_5_2_1():
"""
Run task 5.2.1. Make multiple runs until the blocking probability distribution reaches
a confidence level alpha. Simulation is performed for 100s and 1000s and for alpha = 90% and 95%.
"""
results = [None, None, None, None]
# TODO Task 5.2.1: Your code goes here
bp = []
hw = []
sim_param = SimParam()
sim = Simulation(sim_param)
sim.sim_param.S = 4
sim.sim_param.RHO = .9
count_bp = TimeIndependentCounter()
err = .0015
i = 0
for sim_time in [100000, 1000000]:
sim.sim_param.SIM_TIME = sim_time
for alpha in [.1, .05]:
count_bp.reset()
while 1:
sim.reset()
blocking_pro = sim.do_simulation().blocking_probability
count_bp.count(blocking_pro)
half_width = count_bp.report_confidence_interval(alpha=alpha)
if half_width < err:
break
results[i] = len(count_bp.values)
bp.append(count_bp.get_mean())
hw.append(half_width)
i += 1
# print and return results
print("SIM TIME: 100s; ALPHA: 10%; NUMBER OF RUNS: " + str(results[0]) +
"; TOTAL SIMULATION TIME (SECONDS): " + str(results[0] * 100) +
"; Blocking Probability Mean: " + str(bp[0]) + "; Half width: " +
str(hw[0]))
print("SIM TIME: 100s; ALPHA: 5%; NUMBER OF RUNS: " + str(results[1]) +
"; TOTAL SIMULATION TIME (SECONDS): " + str(results[1] * 100) +
"; Blocking Probability Mean: " + str(bp[1]) + "; Half width: " +
str(hw[1]))
print("SIM TIME: 1000s; ALPHA: 10%; NUMBER OF RUNS: " + str(results[2]) +
"; TOTAL SIMULATION TIME (SECONDS): " + str(results[2] * 1000) +
"; Blocking Probability Mean: " + str(bp[2]) + "; Half width: " +
str(hw[2]))
print("SIM TIME: 1000s; ALPHA: 5%; NUMBER OF RUNS: " + str(results[3]) +
"; TOTAL SIMULATION TIME (SECONDS): " + str(results[3] * 1000) +
"; Blocking Probability Mean: " + str(bp[3]) + "; Half width: " +
str(hw[3]))
return results
def task_3_2_1():
"""
This function plots two histograms for verification of the random distributions.
One histogram is plotted for a uniform distribution, the other one for an exponential distribution.
"""
# TODO Task 3.2.1: Your code goes here
sim_param = SimParam()
random.seed(sim_param.SEED)
sim_param.RHO = 0.01
sim = Simulation(sim_param)
rns_iat = ExponentialRNS(1.0)
rns_st = ExponentialRNS(1.0/sim.sim_param.RHO)
rns_uniform = UniformRNS((2,4))
hist1 = TimeIndependentHistogram(sim, "Line")
hist2 = TimeIndependentHistogram(sim, "Line")
hist3 = TimeIndependentHistogram(sim, "bp")
for i in range(1000000):
hist1.count(rns_iat.next())
hist2.count(rns_st.next())
hist3.count(rns_uniform.next())
hist1.report()
hist2.report()
hist3.report()
def do_theoretical_iter(sim, setting):
"""
:param n_stop: till the end of number of users we want to sweep till
can be used to compare different formulas in different formulas in different papers.
plots the throughput vs number of users
:return:
"""
param = SimParam(setting)
users = range(param.K + 1, setting.theorsweep.n_stop + 1)
theoretical = []
theoretical1 = []
theoretical2 = []
theoretical3 = []
theoretical4 = []
theoretical5 = []
for n in users:
if setting.theorsweep.test_values[0]:
theoretical.append(TheoreticalPlots().qarysic(n, param))
if setting.theorsweep.test_values[1]:
theoretical1.append(TheoreticalPlots().sicta(n, param))
if setting.theorsweep.test_values[2]:
theoretical2.append(TheoreticalPlots().simpletree(n))
if setting.theorsweep.test_values[3]:
theoretical3.append(TheoreticalPlots().recsicta(n))
if setting.theorsweep.test_values[4]:
theoretical4.append(TheoreticalPlots().recquary(n, param))
if setting.theorsweep.test_values[5]:
theoretical5.append(TheoreticalPlots().qsicta(n, param))
if setting.theorsweep.test_values[0]:
pyplot.plot(users, theoretical, 'b-', label='Quary Sic')
if setting.theorsweep.test_values[1]:
pyplot.plot(users, theoretical1, 'g-', label='SICTA')
if setting.theorsweep.test_values[2]:
pyplot.plot(users, theoretical2, 'r-', label='Simple Tree')
if setting.theorsweep.test_values[3]:
pyplot.plot(users, theoretical3, 'c-', label='Recursive SICTA')
if setting.theorsweep.test_values[4]:
pyplot.plot(users, theoretical4, 'm-', label='Recursive Quary')
if setting.theorsweep.test_values[5]:
pyplot.plot(users, theoretical5, 'y-', label='QSICTA Giannakkis')
pyplot.xlabel('Users')
pyplot.ylabel('Throughput')
pyplot.legend()
pyplot.xscale('log')
figname = F"K{sim.sim_param.K}Q{sim.sim_param.SPLIT}TheoreticalCalc"
pyplot.savefig(figname + '.png', dpi=300)
tikzplotlib.save(figname + '.tex')
pyplot.show()
def study_waiting_time_dist():
sim_param = SimParam()
random.seed(0)
sim = Simulation(sim_param)
sim.sim_param.S = 5
sim.sim_param.SIM_TIME = 100000 # 100 seconds
sim.reset()
sim.do_simulation()
# sim.counter_collection.hist_wt.report()
print(sim.counter_collection.cnt_wt.get_mean())
plt.plot(sim.counter_collection.cnt_wt.values)
plt.show()
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
# TODO Task 2.4.3: Uncomment the line below
self.counter_collection = CounterCollection(self)
# TODO Task 3.1.2: Uncomment the line below and replace the "None"
"""
def task_5_2_4():
"""
Plot confidence interval as described in the task description for task 5.2.4.
We use the function plot_confidence() for the actual plotting and run our simulation several times to get the
samples. Due to the different configurations, we receive eight plots in two figures.
"""
# TODO Task 5.2.4: Your code goes here
sim_param = SimParam()
sim = Simulation(sim_param)
sim.sim_param.S = 40000000 #infinite M/M/1/inf
err = .0015
plt_no = 1
for rho in [0.5, 0.9]:
sim.sim_param.RHO = rho
for alpha in [0.1, 0.05]:
for sim_time in [100000, 1000000]:
sim.sim_param.SIM_TIME = sim_time
print(" Sim time " + str(sim.sim_param.SIM_TIME / 1000) +
"s " + " Alpha " + str(alpha) + " RHO " + str(rho))
count_util = TimeIndependentCounter()
mean_count = TimeIndependentCounter()
y_low = []
y_high = []
x = []
for repeat in range(100):
count_util.reset()
for sim_run in range(30):
sim.reset()
count_util.count(
sim.do_simulation().system_utilization)
mean = count_util.get_mean()
half_width = count_util.report_confidence_interval(
alpha=alpha)
mean_count.count(mean)
y_low.append(mean - half_width)
y_high.append(mean + half_width)
x.append(repeat + 1)
pyplot.subplot(2, 2, plt_no)
plt_no += 1
plot_confidence(sim, x, y_low, y_high, mean_count.get_mean(),
sim.sim_param.RHO, "Utilization", alpha)
pyplot.show()
plt_no = 1
def reset(self, setting):
self.sim_param = SimParam(setting)
if setting.dynamictest:
self.SIMTIME = setting.dynamictest.simtime
self.freeaccess = False
if setting.secondwindow.test_values[3]:
self.freeaccess = True
self.sim_state = SimState()
self.sim_result = SimResult()
self.slot = TreeSlot()
self.active_array = []
self.queue_array = []
self.packets_gen = 0
self.result = 0
self.slot_no = 0
self.tree_state = TreeState(self)
self.branch_node.reset()
def task_4_3_2():
"""
Exercise to plot auto correlation depending on lags. Run simulation until 10000 (or 100) packets are served.
For the different rho values, simulation is run and the blocking probability is auto correlated.
Results are plotted for each N value in a different diagram.
Note, that for some seeds with rho=0.DES and N=100, the variance of the auto covariance is 0 and returns an error.
"""
# TODO Task 4.3.2: Your code goes here
data_n_100 = []
data_n_10000 = []
lags = range(21)
del lags[0]
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.SIM_TIME = 1000000
sim.sim_param.S = 10000
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
sim.do_simulation_n_limit(100)
for i in lags:
data_n_100.append(sim.counter_collection.acnt_wt.get_auto_cor(i))
sim.reset()
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
sim.do_simulation_n_limit(10000)
for i in lags:
data_n_10000.append(sim.counter_collection.acnt_wt.get_auto_cor(i))
pylab.figure(1)
pylab.xlabel('lag')
pylab.ylabel('Auto Correlation')
pylab.title(
'Auto Correlation of Waiting Times (n=100) for lags ranging from 1 to 20'
)
pylab.plot(lags, data_n_100)
pylab.figure(2)
pylab.xlabel('lag')
pylab.ylabel('Auto Correlation')
pylab.title(
'Auto Correlation of Waiting Times (n=10000) for lags ranging from 1 to 20'
)
pylab.plot(lags, data_n_10000)
pylab.show()
def __init__(self, sim_param=SimParam(), no_seed=False):
"""
Initialize the Simulation object.
:param sim_param: is an optional SimParam object for parameter pre-configuration
:param no_seed: is an optional parameter. If it is set to True, the RNG should be initialized without a
a specific seed.
"""
self.sim_param = sim_param
self.sim_state = SimState()
self.system_state = SystemState(self)
self.event_chain = EventChain()
self.sim_result = SimResult(self)
self.counter_collection = CounterCollection(self)
if no_seed:
self.rng = RNG(ExponentialRNS(1),
ExponentialRNS(1. / float(self.sim_param.RHO)))
else:
self.rng = RNG(
ExponentialRNS(1, self.sim_param.SEED_IAT),
ExponentialRNS(1. / float(self.sim_param.RHO),
self.sim_param.SEED_ST))
def task_4_3_2():
"""
Exercise to plot the scatter plot of (a) IAT and serving time, (b) serving time and system time
The scatter plot helps to better understand the meaning of bit/small covariance/correlation.
For every rho, two scatter plots are needed.
The simulation parameters are the same as in task_4_3_1()
"""
# TODO Task 4.3.2: Your code goes here
sim_param = SimParam()
sim = Simulation(sim_param)
sim.sim_param.S = 10000
sim.sim_param.SIM_TIME = 10000000
for rho in [0.01, 0.5, 0.8, 0.95]:
sim.sim_param.RHO = rho
sim.reset()
sim.counter_collection.reset()
sim = sim.do_simulation().sim
cnt_iat = sim.counter_collection.cnt_iat_st.values_x
cnt_st = sim.counter_collection.cnt_iat_st.values_y
cnt_syst = sim.counter_collection.cnt_st_syst.values_y
corr_iat_st = float(sim.counter_collection.cnt_iat_st.get_cor())
corr_st_syst = float(sim.counter_collection.cnt_st_syst.get_cor())
fig = plt.figure()
ax1 = fig.add_subplot(1, 1, 1)
plt.subplot(1, 2, 1)
plt.title('Rho %.2f Correlation %.3f' % (rho, corr_iat_st))
plt.xlabel("Correlation IAT - ST")
plt.plot(cnt_iat, cnt_st, 'o')
plt.subplot(1, 2, 2)
plt.title('Rho %.2f Correlation %.3f' % (rho, corr_st_syst))
plt.xlabel("Correlation ST - SYST")
plt.plot(cnt_st, cnt_syst, 'o')
plt.show()
def task_5_2_2():
"""
Run simulation in batches. Start the simulation with running until a customer count of n=100 or (n=1000) and
continue to increase the number of customers by dn=n.
Count the blocking proabability for the batch and calculate the confidence interval width of all values, that have
been counted until now.
Do this until the desired confidence level is reached and print out the simulation time as well as the number of
batches.
"""
num_batches1 = 0
num_batches2 = 0
num_batches3 = 0
num_batches4 = 0
TIC = TimeIndependentCounter("bp")
# TODO Task 5.2.2: Your code goes here
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.S = 4
sim.sim_param.RHO = 0.9
## n = 100
# ALPHA: 5%
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation_n_limit(100).blocking_probability)
for i in range(10000):
sim.sim_result = SimResult(sim)
sim.sim_state.stop = False
sim.sim_state.num_packets = 0
sim.sim_state.num_blocked_packets = 0
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(
sim.do_simulation_n_limit(100, True).blocking_probability)
print TIC.report_confidence_interval(0.05)
if TIC.report_confidence_interval(0.05) < 0.0015:
num_batches1 = i + 1
break
t1 = sim.sim_state.now
# ALPHA: 10%
sim.reset()
TIC.reset()
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation_n_limit(100).blocking_probability)
for i in range(10000):
sim.sim_result = SimResult(sim)
sim.sim_state.stop = False
sim.sim_state.num_packets = 0
sim.sim_state.num_blocked_packets = 0
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(
sim.do_simulation_n_limit(100, True).blocking_probability)
print TIC.report_confidence_interval(0.1)
if TIC.report_confidence_interval(0.1) < 0.0015:
num_batches2 = i + 1
break
t2 = sim.sim_state.now
sim.reset()
## n = 1000
# ALPHA: 5%
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation_n_limit(100).blocking_probability)
for i in range(10000):
sim.sim_result = SimResult(sim)
sim.sim_state.stop = False
sim.sim_state.num_packets = 0
sim.sim_state.num_blocked_packets = 0
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(
sim.do_simulation_n_limit(1000, True).blocking_probability)
print TIC.report_confidence_interval(0.05)
if TIC.report_confidence_interval(0.05) < 0.0015:
num_batches3 = i + 1
break
t3 = sim.sim_state.now
# ALPHA: 10%
sim.reset()
TIC.reset()
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation_n_limit(100).blocking_probability)
for i in range(10000):
sim.sim_result = SimResult(sim)
sim.sim_state.stop = False
sim.sim_state.num_packets = 0
sim.sim_state.num_blocked_packets = 0
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(
sim.do_simulation_n_limit(1000, True).blocking_probability)
print TIC.report_confidence_interval(0.1)
if TIC.report_confidence_interval(0.1) < 0.0015:
num_batches4 = i + 1
break
t4 = sim.sim_state.now
# print and return both results
print "N: 100; ALPHA: 5%; NUMBER OF BATCHES: " + str(
num_batches1) + " and SIM TIME: " + str(t1)
print "N: 100; ALPHA: 10%; NUMBER OF BATCHES: " + str(
num_batches2) + " and SIM TIME: " + str(t2)
print "N: 1000; ALPHA: 5%; NUMBER OF BATCHES: " + str(
num_batches3) + " and SIM TIME: " + str(t3)
print "N: 1000; ALPHA: 10%; NUMBER OF BATCHES: " + str(
num_batches4) + " and SIM TIME: " + str(t4)
return [t1, t2, t3, t4]
def task_5_2_1():
"""
Run task 5.2.1. Make multiple runs until the blocking probability distribution reaches
a confidence level alpha. Simulation is performed for 100s and 1000s and for alpha = 90% and 95%.
"""
results = [None, None, None, None]
TIC = TimeIndependentCounter("bp")
# TODO Task 5.2.1: Your code goes here
#SIM TIME: 100s; ALPHA: 10%
sim_param = SimParam()
random.seed(sim_param.SEED)
sim = Simulation(sim_param)
sim.sim_param.SIM_TIME = 100000
sim.sim_param.S = 4
sim.sim_param.RHO = 0.9
for i in range(10000):
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation().blocking_probability)
if TIC.report_confidence_interval(0.1) < 0.0015:
results[0] = i
break
sim.reset()
#SIM TIME: 100s; ALPHA: 5%
TIC.reset()
for i in range(10000):
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation().blocking_probability)
if TIC.report_confidence_interval(0.05) < 0.0015:
results[1] = i
break
sim.reset()
#SIM TIME: 1000s; ALPHA: 10%
sim.sim_param.SIM_TIME = 1000000
TIC.reset()
for i in range(10000):
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation().blocking_probability)
if TIC.report_confidence_interval(0.05) < 0.0015:
results[2] = i
break
sim.reset()
#SIM TIME: 1000s; ALPHA: 5%
sim.sim_param.SIM_TIME = 1000000
TIC.reset()
for i in range(10000):
with warnings.catch_warnings():
warnings.simplefilter("ignore", category=RuntimeWarning)
TIC.count(sim.do_simulation().blocking_probability)
if TIC.report_confidence_interval(0.05) < 0.0015:
results[3] = i
break
sim.reset()
# print and return results
print "SIM TIME: 100s; ALPHA: 10%; NUMBER OF RUNS: " + str(results[0])
print "SIM TIME: 100s; ALPHA: 5%; NUMBER OF RUNS: " + str(results[1])
print "SIM TIME: 1000s; ALPHA: 10%; NUMBER OF RUNS: " + str(results[2])
print "SIM TIME: 1000s; ALPHA: 5%; NUMBER OF RUNS: " + str(results[3])
return results
class UWG(object):
"""Morph a rural EPW file to urban conditions using a file with a list of urban parameters.
args:
epwDir: The directory in which the rural EPW file sits.
epwFileName: The name of the rural epw file that will be morphed.
uwgParamDir: The directory in which the UWG Parameter File (.uwg) sits.
uwgParamFileName: The name of the UWG Parameter File (.uwg).
destinationDir: Optional destination directory for the morphed EPW file.
If left blank, the morphed file will be written into the same directory
as the rural EPW file (the epwDir).
destinationFileName: Optional destination file name for the morphed EPW file.
If left blank, the morphed file will append "_UWG" to the original file name.
returns:
newClimateFile: the path to a new EPW file that has been morphed to account
for uban conditions.
"""
""" Section 1 - Definitions for constants / other parameters """
MINTHICKNESS = 0.01 # Minimum layer thickness (to prevent crashing) (m)
MAXTHICKNESS = 0.05 # Maximum layer thickness (m)
SOILTCOND = 1 # http://web.mit.edu/parmstr/Public/NRCan/nrcc29118.pdf (Figly & Snodgrass)
SOILVOLHEAT = 2e6 # http://www.europment.org/library/2013/venice/bypaper/MFHEEF/MFHEEF-21.pdf (average taken from Table 1)
SOIL = Material(SOILTCOND, SOILVOLHEAT,
name="soil") # Soil material used for soil-depth padding
# Physical constants
G = 9.81 # gravity (m s-2)
CP = 1004. # heat capacity for air (J/kg K)
VK = 0.40 # von karman constant (dimensionless)
R = 287. # gas constant dry air (J/kg K)
RV = 461.5 # gas constant water vapor (J/kg K)
LV = 2.26e6 # latent heat of evaporation (J/kg)
SIGMA = 5.67e-08 # Stefan Boltzmann constant (W m-2 K-4)
WATERDENS = 1000. # water density (kg m-3)
LVTT = 2.5008e6 #
TT = 273.16 #
ESTT = 611.14 #
CL = 4.218e3 #
CPV = 1846.1 #
B = 9.4 # Coefficients derived by Louis (1979)
CM = 7.4 #
COLBURN = math.pow(
(0.713 / 0.621),
(2 / 3.)) # (Pr/Sc)^(2/3) for Colburn analogy in water evaporation
# Site-specific parameters
WGMAX = 0.005 # maximum film water depth on horizontal surfaces (m)
# File path parameter
RESOURCE_PATH = os.path.abspath(
os.path.join(os.path.dirname(__file__), "..", "resources"))
CURRENT_PATH = os.path.abspath(os.path.dirname(__file__))
def __init__(self,
epwFileName,
uwgParamFileName=None,
epwDir=None,
uwgParamDir=None,
destinationDir=None,
destinationFileName=None):
# Logger will be disabled by default unless explicitly called in tests
self.logger = logging.getLogger(__name__)
# User defined
self.epwFileName = epwFileName if epwFileName.lower().endswith(
'.epw'
) else epwFileName + '.epw' # Revise epw file name if not end with epw
self.uwgParamFileName = uwgParamFileName # If file name is entered then will UWG will set input from .uwg file
# If user does not overload
self.destinationFileName = destinationFileName if destinationFileName else self.epwFileName.strip(
'.epw') + '_UWG.epw'
self.epwDir = epwDir if epwDir else os.path.join(
self.RESOURCE_PATH, "epw")
self.uwgParamDir = uwgParamDir if uwgParamDir else os.path.join(
self.RESOURCE_PATH, "parameters")
self.destinationDir = destinationDir if destinationDir else os.path.join(
self.RESOURCE_PATH, "epw_uwg")
# refdata: Serialized DOE reference data, z_meso height data
self.readDOE_file_path = os.path.join(self.CURRENT_PATH, "refdata",
"readDOE.pkl")
self.z_meso_dir_path = os.path.join(self.CURRENT_PATH, "refdata")
# EPW precision
self.epw_precision = 1
# init UWG variables
self._init_param_dict = None
# Define Simulation and Weather parameters
self.Month = None # starting month (1-12)
self.Day = None # starting day (1-31)
self.nDay = None # number of days
self.dtSim = None # simulation time step (s)
self.dtWeather = None # seconds (s)
# HVAC system and internal laod
self.autosize = None # autosize HVAC (1 or 0)
self.sensOcc = None # Sensible heat from occupant
self.LatFOcc = None # Latent heat fraction from occupant (normally 0.3)
self.RadFOcc = None # Radiant heat fraction from occupant (normally 0.2)
self.RadFEquip = None # Radiant heat fraction from equipment (normally 0.5)
self.RadFLight = None # Radiant heat fraction from light (normally 0.7)
# Define Urban microclimate parameters
self.h_ubl1 = None # ubl height - day (m)
self.h_ubl2 = None # ubl height - night (m)
self.h_ref = None # inversion height
self.h_temp = None # temperature height
self.h_wind = None # wind height
self.c_circ = None # circulation coefficient
self.c_exch = None # exchange coefficient
self.maxDay = None # max day threshhold
self.maxNight = None # max night threshhold
self.windMin = None # min wind speed (m/s)
self.h_obs = None # rural average obstacle height
# Urban characteristics
self.bldHeight = None # average building height (m)
self.h_mix = None # mixing height (m)
self.bldDensity = None # building density (0-1)
self.verToHor = None # building aspect ratio
self.charLength = None # radius defining the urban area of study [aka. characteristic length] (m)
self.alb_road = None # road albedo
self.d_road = None # road pavement thickness
self.sensAnth = None # non-building sensible heat (W/m^2)
self.latAnth = None # non-building latent heat heat (W/m^2)
# Fraction of building typology stock
self.bld = None # 16x3 matrix of fraction of building type by era
# climate Zone
self.zone = None
# Vegetation parameters
self.vegCover = None # urban area veg coverage ratio
self.treeCoverage = None # urban area tree coverage ratio
self.vegStart = None # vegetation start month
self.vegEnd = None # vegetation end month
self.albVeg = None # Vegetation albedo
self.rurVegCover = None # rural vegetation cover
self.latGrss = None # latent fraction of grass
self.latTree = None # latent fraction of tree
# Define Traffic schedule
self.SchTraffic = None
# Define Road (Assume 0.5m of asphalt)
self.kRoad = None # road pavement conductivity (W/m K)
self.cRoad = None # road volumetric heat capacity (J/m^3 K)
# Define optional Building characteristics
self.flr_h = None # floor-to-floor height
self.albRoof = None # roof albedo (0 - 1)
self.vegRoof = None # Fraction of the roofs covered in grass/shrubs (0-1)
self.glzR = None # Glazing Ratio
self.SHGC = None # Solar Heat Gain Coefficient
self.albWall = None # Wall albedo
def __repr__(self):
return "UWG: {} ".format(self.epwFileName)
def is_near_zero(self, num, eps=1e-10):
return abs(float(num)) < eps
def read_epw(self):
"""Section 2 - Read EPW file
properties:
self.climateDataPath
self.newPathName
self._header # header data
self.epwinput # timestep data for weather
self.lat # latitude
self.lon # longitude
self.GMT # GMT
self.nSoil # Number of soil depths
self.Tsoil # nSoil x 12 matrix for soil temperture (K)
self.depth_soil # nSoil x 1 matrix for soil depth (m)
"""
# Make dir path to epw file
self.climateDataPath = os.path.join(self.epwDir, self.epwFileName)
# Open epw file and feed csv data to climate_data
try:
climate_data = utilities.read_csv(self.climateDataPath)
except Exception as e:
raise Exception("Failed to read epw file! {}".format(e.message))
# Read header lines (1 to 8) from EPW and ensure TMY2 format.
self._header = climate_data[0:8]
# Read weather data from EPW for each time step in weather file. (lines 8 - end)
self.epwinput = climate_data[8:]
# Read Lat, Long (line 1 of EPW)
self.lat = float(self._header[0][6])
self.lon = float(self._header[0][7])
self.GMT = float(self._header[0][8])
# Read in soil temperature data (assumes this is always there)
# ref: http://bigladdersoftware.com/epx/docs/8-2/auxiliary-programs/epw-csv-format-inout.html
soilData = self._header[3]
self.nSoil = int(soilData[1]) # Number of ground temperature depths
self.Tsoil = utilities.zeros(
self.nSoil, 12) # nSoil x 12 matrix for soil temperture (K)
self.depth_soil = utilities.zeros(
self.nSoil, 1) # nSoil x 1 matrix for soil depth (m)
# Read monthly data for each layer of soil from EPW file
for i in xrange(self.nSoil):
self.depth_soil[i][0] = float(
soilData[2 + (i * 16)]) # get soil depth for each nSoil
# Monthly data
for j in xrange(12):
self.Tsoil[i][j] = float(soilData[
6 + (i * 16) +
j]) + 273.15 # 12 months of soil T for specific depth
# Set new directory path for the moprhed EPW file
self.newPathName = os.path.join(self.destinationDir,
self.destinationFileName)
def read_input(self):
"""Section 3 - Read Input File (.m, file)
Note: UWG_Matlab input files are xlsm, XML, .m, file.
properties:
self._init_param_dict # dictionary of simulation initialization parameters
self.sensAnth # non-building sensible heat (W/m^2)
self.SchTraffic # Traffice schedule
self.BEM # list of BEMDef objects extracted from readDOE
self.Sch # list of Schedule objects extracted from readDOE
"""
uwg_param_file_path = os.path.join(self.uwgParamDir,
self.uwgParamFileName)
if not os.path.exists(uwg_param_file_path):
raise Exception(
"Param file: '{}' does not exist.".format(uwg_param_file_path))
# Open .uwg file and feed csv data to initializeDataFile
try:
uwg_param_data = utilities.read_csv(uwg_param_file_path)
except Exception as e:
raise Exception("Failed to read .uwg file! {}".format(e.message))
# The initialize.uwg is read with a dictionary so that users changing
# line endings or line numbers doesn't make reading input incorrect
self._init_param_dict = {}
count = 0
while count < len(uwg_param_data):
row = uwg_param_data[count]
row = [row[i].replace(" ", "")
for i in xrange(len(row))] # strip white spaces
# Optional parameters might be empty so handle separately
is_optional_parameter = (
row != [] and \
(
row[0] == "albRoof" or \
row[0] == "vegRoof" or \
row[0] == "glzR" or \
row[0] == "hvac" or \
row[0] == "albWall" or \
row[0] == "SHGC"
)
)
if row == [] or "#" in row[0]:
count += 1
continue
elif row[0] == "SchTraffic":
# SchTraffic: 3 x 24 matrix
trafficrows = uwg_param_data[count + 1:count + 4]
self._init_param_dict[row[0]] = map(
lambda r: utilities.str2fl(r[:24]), trafficrows)
count += 4
elif row[0] == "bld":
#bld: 17 x 3 matrix
bldrows = uwg_param_data[count + 1:count + 17]
self._init_param_dict[row[0]] = map(
lambda r: utilities.str2fl(r[:3]), bldrows)
count += 17
elif is_optional_parameter:
self._init_param_dict[row[0]] = float(
row[1]) if row[1] != "" else None
count += 1
else:
self._init_param_dict[row[0]] = float(row[1])
count += 1
ipd = self._init_param_dict
# Define Simulation and Weather parameters
if self.Month is None: self.Month = ipd['Month']
if self.Day is None: self.Day = ipd['Day']
if self.nDay is None: self.nDay = ipd['nDay']
if self.dtSim is None: self.dtSim = ipd['dtSim']
if self.dtWeather is None: self.dtWeather = ipd['dtWeather']
# HVAC system and internal laod
if self.autosize is None: self.autosize = ipd['autosize']
if self.sensOcc is None: self.sensOcc = ipd['sensOcc']
if self.LatFOcc is None: self.LatFOcc = ipd['LatFOcc']
if self.RadFOcc is None: self.RadFOcc = ipd['RadFOcc']
if self.RadFEquip is None: self.RadFEquip = ipd['RadFEquip']
if self.RadFLight is None: self.RadFLight = ipd['RadFLight']
# Define Urban microclimate parameters
if self.h_ubl1 is None: self.h_ubl1 = ipd['h_ubl1']
if self.h_ubl2 is None: self.h_ubl2 = ipd['h_ubl2']
if self.h_ref is None: self.h_ref = ipd['h_ref']
if self.h_temp is None: self.h_temp = ipd['h_temp']
if self.h_wind is None: self.h_wind = ipd['h_wind']
if self.c_circ is None: self.c_circ = ipd['c_circ']
if self.c_exch is None: self.c_exch = ipd['c_exch']
if self.maxDay is None: self.maxDay = ipd['maxDay']
if self.maxNight is None: self.maxNight = ipd['maxNight']
if self.windMin is None: self.windMin = ipd['windMin']
if self.h_obs is None: self.h_obs = ipd['h_obs']
# Urban characteristics
if self.bldHeight is None: self.bldHeight = ipd['bldHeight']
if self.h_mix is None: self.h_mix = ipd['h_mix']
if self.bldDensity is None: self.bldDensity = ipd['bldDensity']
if self.verToHor is None: self.verToHor = ipd['verToHor']
if self.charLength is None: self.charLength = ipd['charLength']
if self.alb_road is None: self.alb_road = ipd['albRoad']
if self.d_road is None: self.d_road = ipd['dRoad']
if self.sensAnth is None: self.sensAnth = ipd['sensAnth']
if self.latAnth is None: self.latAnth = ipd['latAnth']
# climate Zone
if self.zone is None: self.zone = ipd['zone']
# Vegetation parameters
if self.vegCover is None: self.vegCover = ipd['vegCover']
if self.treeCoverage is None: self.treeCoverage = ipd['treeCoverage']
if self.vegStart is None: self.vegStart = ipd['vegStart']
if self.vegEnd is None: self.vegEnd = ipd['vegEnd']
if self.albVeg is None: self.albVeg = ipd['albVeg']
if self.rurVegCover is None: self.rurVegCover = ipd['rurVegCover']
if self.latGrss is None: self.latGrss = ipd['latGrss']
if self.latTree is None: self.latTree = ipd['latTree']
# Define Traffic schedule
if self.SchTraffic is None: self.SchTraffic = ipd['SchTraffic']
# Define Road (Assume 0.5m of asphalt)
if self.kRoad is None: self.kRoad = ipd['kRoad']
if self.cRoad is None: self.cRoad = ipd['cRoad']
# Building stock fraction
if self.bld is None: self.bld = ipd['bld']
# Optional parameters
if self.albRoof is None: self.albRoof = ipd['albRoof']
if self.vegRoof is None: self.vegRoof = ipd['vegRoof']
if self.glzR is None: self.glzR = ipd['glzR']
if self.albWall is None: self.albWall = ipd['albWall']
if self.SHGC is None: self.SHGC = ipd['SHGC']
def set_input(self):
""" Set inputs from .uwg input file if not already defined, the check if all
the required input parameters are there.
"""
# If a uwgParamFileName is set, then read inputs from .uwg file.
# User-defined class properties will override the inputs from the .uwg file.
if self.uwgParamFileName is not None:
print "\nReading uwg file input."
self.read_input()
else:
print "\nNo .uwg file input."
# Required parameters
is_defined = (type(self.Month) == float or type(self.Month) == int) and \
(type(self.Day) == float or type(self.Day) == int) and \
(type(self.nDay) == float or type(self.nDay) == int) and \
type(self.dtSim) == float and type(self.dtWeather) == float and \
(type(self.autosize) == float or type(self.autosize) == int) and \
type(self.sensOcc) == float and type(self.LatFOcc) == float and \
type(self.RadFOcc) == float and type(self.RadFEquip) == float and \
type(self.RadFLight) == float and type(self.h_ubl1) == float and \
type(self.h_ubl2) == float and type(self.h_ref) == float and \
type(self.h_temp) == float and type(self.h_wind) == float and \
type(self.c_circ) == float and type(self.c_exch) == float and \
type(self.maxDay) == float and type(self.maxNight) == float and \
type(self.windMin) == float and type(self.h_obs) == float and \
type(self.bldHeight) == float and type(self.h_mix) == float and \
type(self.bldDensity) == float and type(self.verToHor) == float and \
type(self.charLength) == float and type(self.alb_road) == float and \
type(self.d_road) == float and type(self.sensAnth) == float and \
type(self.latAnth) == float and type(self.bld) == type([]) and \
self.is_near_zero(len(self.bld)-16.0) and \
type(self.latTree) == float and type(self.latGrss) == float and \
(type(self.zone) == float or type(self.zone) == int) and \
(type(self.vegStart) == float or type(self.vegStart) == int) and \
(type(self.vegEnd) == float or type(self.vegEnd) == int) and \
type(self.vegCover) == float and type(self.treeCoverage) == float and \
type(self.albVeg) == float and type(self.rurVegCover) == float and \
type(self.kRoad) == float and type(self.cRoad) == float and \
type(self.SchTraffic) == type([]) and self.is_near_zero(len(self.SchTraffic)-3.0)
if not is_defined:
raise Exception(
"The required parameters have not been defined correctly. Check input parameters and try again."
)
# Modify zone to be used as python index
self.zone = int(self.zone) - 1
def init_input_obj(self):
"""Section 4 - Create UWG objects from input parameters
self.simTime # simulation time parameter obj
self.weather # weather obj for simulation time period
self.forcIP # Forcing obj
self.forc # Empty forcing obj
self.geoParam # geographic parameters obj
self.RSM # Rural site & vertical diffusion model obj
self.USM # Urban site & vertical diffusion model obj
self.UCM # Urban canopy model obj
self.UBL # Urban boundary layer model
self.road # urban road element
self.rural # rural road element
self.soilindex1 # soil index for urban rsoad depth
self.soilindex2 # soil index for rural road depth
self.BEM # list of BEMDef objects
self.Sch # list of Schedule objects
"""
climate_file_path = os.path.join(self.epwDir, self.epwFileName)
self.simTime = SimParam(self.dtSim, self.dtWeather, self.Month,
self.Day,
self.nDay) # simulation time parametrs
self.weather = Weather(
climate_file_path, self.simTime.timeInitial, self.simTime.timeFinal
) # weather file data for simulation time period
self.forcIP = Forcing(self.weather.staTemp,
self.weather) # initialized Forcing class
self.forc = Forcing() # empty forcing class
# Initialize geographic Param and Urban Boundary Layer Objects
nightStart = 18. # arbitrary values for begin/end hour for night setpoint
nightEnd = 8.
maxdx = 250.
# max dx (m)
self.geoParam = Param(self.h_ubl1,self.h_ubl2,self.h_ref,self.h_temp,self.h_wind,self.c_circ,\
self.maxDay,self.maxNight,self.latTree,self.latGrss,self.albVeg,self.vegStart,self.vegEnd,\
nightStart,nightEnd,self.windMin,self.WGMAX,self.c_exch,maxdx,self.G,self.CP,self.VK,self.R,\
self.RV,self.LV,math.pi,self.SIGMA,self.WATERDENS,self.LVTT,self.TT,self.ESTT,self.CL,\
self.CPV,self.B, self.CM, self.COLBURN)
self.UBL = UBLDef('C', self.charLength, self.weather.staTemp[0], maxdx,
self.geoParam.dayBLHeight,
self.geoParam.nightBLHeight)
# Defining road
emis = 0.93
asphalt = Material(self.kRoad, self.cRoad, 'asphalt')
road_T_init = 293.
road_horizontal = 1
road_veg_coverage = min(self.vegCover / (1 - self.bldDensity),
1.) # fraction of surface vegetation coverage
# define road layers
road_layer_num = int(math.ceil(self.d_road / 0.05))
thickness_vector = map(lambda r: 0.05, range(
road_layer_num)) # 0.5/0.05 ~ 10 x 1 matrix of 0.05 thickness
material_vector = map(lambda n: asphalt, range(road_layer_num))
self.road = Element(self.alb_road,emis,thickness_vector,material_vector,road_veg_coverage,\
road_T_init,road_horizontal,name="urban_road")
self.rural = copy.deepcopy(self.road)
self.rural.vegCoverage = self.rurVegCover
self.rural._name = "rural_road"
# Define BEM for each DOE type (read the fraction)
if not os.path.exists(self.readDOE_file_path):
raise Exception("readDOE.pkl file: '{}' does not exist.".format(
readDOE_file_path))
readDOE_file = open(self.readDOE_file_path,
'rb') # open pickle file in binary form
refDOE = cPickle.load(readDOE_file)
refBEM = cPickle.load(readDOE_file)
refSchedule = cPickle.load(readDOE_file)
readDOE_file.close()
# Define building energy models
k = 0
r_glaze = 0 # Glazing ratio for total building stock
SHGC = 0 # SHGC addition for total building stock
alb_wall = 0 # albedo wall addition for total building stock
h_floor = self.flr_h or 3.05 # average floor height
total_urban_bld_area = math.pow(
self.charLength, 2
) * self.bldDensity * self.bldHeight / h_floor # total building floor area
area_matrix = utilities.zeros(16, 3)
self.BEM = [] # list of BEMDef objects
self.Sch = [] # list of Schedule objects
for i in xrange(16): # 16 building types
for j in xrange(3): # 3 built eras
if self.bld[i][j] > 0.:
# Add to BEM list
self.BEM.append(refBEM[i][j][self.zone])
self.BEM[k].frac = self.bld[i][j]
self.BEM[k].fl_area = self.bld[i][j] * total_urban_bld_area
# Overwrite with optional parameters if provided
if self.glzR:
self.BEM[k].building.glazingRatio = self.glzR
if self.albRoof:
self.BEM[k].roof.albedo = self.albRoof
if self.vegRoof:
self.BEM[k].roof.vegCoverage = self.vegRoof
if self.SHGC:
self.BEM[k].building.shgc = self.SHGC
if self.albWall:
self.BEM[k].wall.albedo = self.albWall
# Keep track of total urban r_glaze, SHGC, and alb_wall for UCM model
r_glaze = r_glaze + self.BEM[k].frac * self.BEM[
k].building.glazingRatio ##
SHGC = SHGC + self.BEM[k].frac * self.BEM[k].building.shgc
alb_wall = alb_wall + self.BEM[k].frac * self.BEM[
k].wall.albedo
# Add to schedule list
self.Sch.append(refSchedule[i][j][self.zone])
k += 1
# Reference site class (also include VDM)
self.RSM = RSMDef(self.lat, self.lon, self.GMT, self.h_obs,
self.weather.staTemp[0], self.weather.staPres[0],
self.geoParam, self.z_meso_dir_path)
self.USM = RSMDef(self.lat, self.lon, self.GMT, self.bldHeight / 10.,
self.weather.staTemp[0], self.weather.staPres[0],
self.geoParam, self.z_meso_dir_path)
T_init = self.weather.staTemp[0]
H_init = self.weather.staHum[0]
self.UCM = UCMDef(self.bldHeight,self.bldDensity,self.verToHor,self.treeCoverage,self.sensAnth,self.latAnth,T_init,H_init,\
self.weather.staUmod[0],self.geoParam,r_glaze,SHGC,alb_wall,self.road)
self.UCM.h_mix = self.h_mix
# Define Road Element & buffer to match ground temperature depth
roadMat, newthickness = procMat(self.road, self.MAXTHICKNESS,
self.MINTHICKNESS)
for i in xrange(self.nSoil):
# if soil depth is greater then the thickness of the road
# we add new slices of soil at max thickness until road is greater or equal
is_soildepth_equal = self.is_near_zero(
self.depth_soil[i][0] - sum(newthickness), 1e-15)
if is_soildepth_equal or (self.depth_soil[i][0] >
sum(newthickness)):
while self.depth_soil[i][0] > sum(newthickness):
newthickness.append(self.MAXTHICKNESS)
roadMat.append(self.SOIL)
self.soilindex1 = i
break
self.road = Element(self.road.albedo, self.road.emissivity, newthickness, roadMat,\
self.road.vegCoverage, self.road.layerTemp[0], self.road.horizontal, self.road._name)
# Define Rural Element
ruralMat, newthickness = procMat(self.rural, self.MAXTHICKNESS,
self.MINTHICKNESS)
for i in xrange(self.nSoil):
# if soil depth is greater then the thickness of the road
# we add new slices of soil at max thickness until road is greater or equal
is_soildepth_equal = self.is_near_zero(
self.depth_soil[i][0] - sum(newthickness), 1e-15)
if is_soildepth_equal or (self.depth_soil[i][0] >
sum(newthickness)):
while self.depth_soil[i][0] > sum(newthickness):
newthickness.append(self.MAXTHICKNESS)
ruralMat.append(self.SOIL)
self.soilindex2 = i
break
self.rural = Element(self.rural.albedo, self.rural.emissivity, newthickness,\
ruralMat,self.rural.vegCoverage,self.rural.layerTemp[0],self.rural.horizontal, self.rural._name)
def hvac_autosize(self):
""" Section 6 - HVAC Autosizing (unlimited cooling & heating) """
for i in xrange(len(self.BEM)):
if self.is_near_zero(self.autosize) == False:
self.BEM[i].building.coolCap = 9999.
self.BEM[i].building.heatCap = 9999.
def simulate(self):
""" Section 7 - UWG main section
self.N # Total hours in simulation
self.ph # per hour
self.dayType # 3=Sun, 2=Sat, 1=Weekday
self.ceil_time_step # simulation timestep (dt) fitted to weather file timestep
# Output of object instance vector
self.WeatherData # Nx1 vector of forc instance
self.UCMData # Nx1 vector of UCM instance
self.UBLData # Nx1 vector of UBL instance
self.RSMData # Nx1 vector of RSM instance
self.USMData # Nx1 vector of USM instance
"""
self.N = int(self.simTime.days *
24) # total number of hours in simulation
n = 0 # weather time step counter
self.ph = self.simTime.dt / 3600. # dt (simulation time step) in hours
# Data dump variables
time = range(self.N)
self.WeatherData = [None for x in xrange(self.N)]
self.UCMData = [None for x in xrange(self.N)]
self.UBLData = [None for x in xrange(self.N)]
self.RSMData = [None for x in xrange(self.N)]
self.USMData = [None for x in xrange(self.N)]
print '\nSimulating new temperature and humidity values for {} days from {}/{}.\n'.format(
int(self.nDay), int(self.Month), int(self.Day))
self.logger.info("Start simulation")
for it in range(
1, self.simTime.nt, 1
): # for every simulation time-step (i.e 5 min) defined by uwg
# Update water temperature (estimated)
if self.is_near_zero(self.nSoil):
self.forc.deepTemp = sum(self.forcIP.temp) / float(
len(self.forcIP.temp)
) # for BUBBLE/CAPITOUL/Singapore only
self.forc.waterTemp = sum(self.forcIP.temp) / float(
len(self.forcIP.temp)
) - 10. # for BUBBLE/CAPITOUL/Singapore only
else:
self.forc.deepTemp = self.Tsoil[
self.soilindex1][self.simTime.month -
1] #soil temperature by depth, by month
self.forc.waterTemp = self.Tsoil[2][self.simTime.month - 1]
# There's probably a better way to update the weather...
self.simTime.UpdateDate()
self.logger.info("\n{0} m={1}, d={2}, h={3}, s={4}".format(
__name__, self.simTime.month, self.simTime.day,
self.simTime.secDay / 3600., self.simTime.secDay))
self.ceil_time_step = int(
math.ceil(it * self.ph)
) - 1 # simulation time increment raised to weather time step
# minus one to be consistent with forcIP list index
# Updating forcing instance
self.forc.infra = self.forcIP.infra[
self.
ceil_time_step] # horizontal Infrared Radiation Intensity (W m-2)
self.forc.wind = max(self.forcIP.wind[self.ceil_time_step],
self.geoParam.windMin) # wind speed (m s-1)
self.forc.uDir = self.forcIP.uDir[
self.ceil_time_step] # wind direction
self.forc.hum = self.forcIP.hum[
self.ceil_time_step] # specific humidty (kg kg-1)
self.forc.pres = self.forcIP.pres[
self.ceil_time_step] # Pressure (Pa)
self.forc.temp = self.forcIP.temp[
self.ceil_time_step] # air temperature (C)
self.forc.rHum = self.forcIP.rHum[
self.ceil_time_step] # Relative humidity (%)
self.forc.prec = self.forcIP.prec[
self.ceil_time_step] # Precipitation (mm h-1)
self.forc.dif = self.forcIP.dif[
self.
ceil_time_step] # horizontal solar diffuse radiation (W m-2)
self.forc.dir = self.forcIP.dir[
self.ceil_time_step] # normal solar direct radiation (W m-2)
self.UCM.canHum = copy.copy(
self.forc.hum) # Canyon humidity (absolute) same as rural
# Update solar flux
self.solar = SolarCalcs(self.UCM, self.BEM, self.simTime, self.RSM,
self.forc, self.geoParam, self.rural)
self.rural, self.UCM, self.BEM = self.solar.solarcalcs()
# Update building & traffic schedule
# Assign day type (1 = weekday, 2 = sat, 3 = sun/other)
if self.is_near_zero(self.simTime.julian % 7):
self.dayType = 3 # Sunday
elif self.is_near_zero(self.simTime.julian % 7 - 6.):
self.dayType = 2 # Saturday
else:
self.dayType = 1 # Weekday
# Update anthropogenic heat load for each hour (building & UCM)
self.UCM.sensAnthrop = self.sensAnth * (
self.SchTraffic[self.dayType - 1][self.simTime.hourDay])
# Update the energy components for building types defined in initialize.uwg
for i in xrange(len(self.BEM)):
# Set temperature
self.BEM[i].building.coolSetpointDay = self.Sch[i].Cool[
self.dayType -
1][self.simTime.
hourDay] + 273.15 # add from temperature schedule for cooling
self.BEM[i].building.coolSetpointNight = self.BEM[
i].building.coolSetpointDay
self.BEM[i].building.heatSetpointDay = self.Sch[i].Heat[
self.dayType -
1][self.simTime.
hourDay] + 273.15 # add from temperature schedule for heating
self.BEM[i].building.heatSetpointNight = self.BEM[
i].building.heatSetpointDay
# Internal Heat Load Schedule (W/m^2 of floor area for Q)
self.BEM[i].Elec = self.Sch[i].Qelec * self.Sch[i].Elec[
self.dayType -
1][self.simTime.hourDay] # Qelec x elec fraction for day
self.BEM[i].Light = self.Sch[i].Qlight * self.Sch[i].Light[
self.dayType -
1][self.simTime.hourDay] # Qlight x light fraction for day
self.BEM[i].Nocc = self.Sch[i].Nocc * self.Sch[i].Occ[
self.dayType -
1][self.simTime.
hourDay] # Number of occupants x occ fraction for day
self.BEM[i].Qocc = self.sensOcc * (1 - self.LatFOcc) * self.BEM[
i].Nocc # Sensible Q occupant * fraction occupant sensible Q * number of occupants
# SWH and ventilation schedule
self.BEM[i].SWH = self.Sch[i].Vswh * self.Sch[i].SWH[
self.dayType -
1][self.simTime.
hourDay] # litres per hour x SWH fraction for day
self.BEM[i].building.vent = self.Sch[
i].Vent # m^3/s/m^2 of floor
self.BEM[i].Gas = self.Sch[i].Qgas * self.Sch[i].Gas[
self.dayType -
1][self.simTime.
hourDay] # Gas Equip Schedule, per m^2 of floor
# This is quite messy, should update
# Update internal heat and corresponding fractional loads
intHeat = self.BEM[i].Light + self.BEM[i].Elec + self.BEM[
i].Qocc
self.BEM[
i].building.intHeatDay = intHeat # W/m2 from light, electricity, occupants
self.BEM[i].building.intHeatNight = intHeat
self.BEM[i].building.intHeatFRad = (
self.RadFLight * self.BEM[i].Light +
self.RadFEquip * self.BEM[i].Elec
) / intHeat # fraction of radiant heat from light and equipment of whole internal heat
self.BEM[
i].building.intHeatFLat = self.LatFOcc * self.sensOcc * self.BEM[
i].Nocc / intHeat # fraction of latent heat (from occupants) of whole internal heat
# Update envelope temperature layers
self.BEM[i].T_wallex = self.BEM[i].wall.layerTemp[0]
self.BEM[i].T_wallin = self.BEM[i].wall.layerTemp[-1]
self.BEM[i].T_roofex = self.BEM[i].roof.layerTemp[0]
self.BEM[i].T_roofin = self.BEM[i].roof.layerTemp[-1]
# Update rural heat fluxes & update vertical diffusion model (VDM)
self.rural.infra = self.forc.infra - self.rural.emissivity * self.SIGMA * self.rural.layerTemp[
0]**4. # Infrared radiation from rural road
self.rural.SurfFlux(self.forc, self.geoParam, self.simTime,
self.forc.hum, self.forc.temp, self.forc.wind,
2., 0.)
self.RSM.VDM(self.forc, self.rural, self.geoParam, self.simTime)
# Calculate urban heat fluxes, update UCM & UBL
self.UCM, self.UBL, self.BEM = urbflux(self.UCM, self.UBL,
self.BEM, self.forc,
self.geoParam, self.simTime,
self.RSM)
self.UCM.UCModel(self.BEM, self.UBL.ublTemp, self.forc,
self.geoParam)
self.UBL.UBLModel(self.UCM, self.RSM, self.rural, self.forc,
self.geoParam, self.simTime)
"""
# Experimental code to run diffusion model in the urban area
# N.B Commented out in python UWG because computed wind speed in
# urban VDM: y = =0.84*ln((2-x/20)/0.51) results in negative log
# for building heights >= 40m.
Uroad = copy.copy(self.UCM.road)
Uroad.sens = copy.copy(self.UCM.sensHeat)
Uforc = copy.copy(self.forc)
Uforc.wind = copy.copy(self.UCM.canWind)
Uforc.temp = copy.copy(self.UCM.canTemp)
self.USM.VDM(Uforc,Uroad,self.geoParam,self.simTime)
"""
self.logger.info("dbT = {}".format(self.UCM.canTemp - 273.15))
if n > 0:
logging.info("dpT = {}".format(self.UCM.Tdp))
logging.info("RH = {}".format(self.UCM.canRHum))
if self.is_near_zero(self.simTime.secDay %
self.simTime.timePrint) and n < self.N:
self.logger.info("{0} ----sim time step = {1}----\n\n".format(
__name__, n))
self.WeatherData[n] = copy.copy(self.forc)
_Tdb, _w, self.UCM.canRHum, _h, self.UCM.Tdp, _v = psychrometrics(
self.UCM.canTemp, self.UCM.canHum, self.forc.pres)
self.UBLData[n] = copy.copy(self.UBL)
self.UCMData[n] = copy.copy(self.UCM)
self.RSMData[n] = copy.copy(self.RSM)
self.logger.info("dbT = {}".format(self.UCMData[n].canTemp -
273.15))
self.logger.info("dpT = {}".format(self.UCMData[n].Tdp))
self.logger.info("RH = {}".format(self.UCMData[n].canRHum))
n += 1
def write_epw(self):
""" Section 8 - Writing new EPW file
"""
epw_prec = self.epw_precision # precision of epw file input
for iJ in xrange(len(self.UCMData)):
# [iJ+self.simTime.timeInitial-8] = increments along every weather timestep in epw
# [6 to 21] = column data of epw
self.epwinput[iJ + self.simTime.timeInitial -
8][6] = "{0:.{1}f}".format(
self.UCMData[iJ].canTemp - 273.15,
epw_prec) # dry bulb temperature [?C]
self.epwinput[iJ + self.simTime.timeInitial -
8][7] = "{0:.{1}f}".format(
self.UCMData[iJ].Tdp,
epw_prec) # dew point temperature [?C]
self.epwinput[iJ + self.simTime.timeInitial -
8][8] = "{0:.{1}f}".format(
self.UCMData[iJ].canRHum,
epw_prec) # relative humidity [%]
self.epwinput[iJ + self.simTime.timeInitial -
8][21] = "{0:.{1}f}".format(
float(self.WeatherData[iJ].wind),
epw_prec) # wind speed [m/s]
# Writing new EPW file
epw_new_id = open(self.newPathName, "w")
for i in xrange(8):
new_epw_line = '{}\r\n'.format(
reduce(lambda x, y: x + "," + y, self._header[i]))
epw_new_id.write(new_epw_line)
for i in xrange(len(self.epwinput)):
printme = ""
for ei in xrange(34):
printme += "{}".format(self.epwinput[i][ei]) + ','
printme = printme + "{}".format(self.epwinput[i][ei])
new_epw_line = "{0}\r\n".format(printme)
epw_new_id.write(new_epw_line)
epw_new_id.close()
print "New climate file '{}' is generated at {}.".format(
self.destinationFileName, self.destinationDir)
def run(self):
# run main class methods
self.read_epw()
self.set_input()
self.init_input_obj()
self.hvac_autosize()
self.simulate()
self.write_epw()
def ran_simulation():
"""
Main ran_simulation
"""
# define sim_param and inside RB pool: all available Resources list
sim_param = SimParam()
no_of_slices = sim_param.no_of_slices
no_of_users_per_slice = sim_param.no_of_users_per_slice
# create result directories
create_dir(sim_param)
# create logfile and write SimParameters
results_dir = "results/" + sim_param.timestamp
log_file = open(results_dir + "/logfile.txt", "wt")
log_file.write('no_of_slices: %d\nno_of_users_per_slice: %d\n\n' % (no_of_slices, no_of_users_per_slice))
attrs = vars(sim_param)
log_file.write('SimParam\n'+''.join("%s: %s\n" % item for item in attrs.items()))
# log_file.close()
# initialize SD_RAN_Controller
SD_RAN_Controller = Controller(sim_param)
# Each slice has different users
slices = []
slice_results = []
# initialize all slices
for i in range(no_of_slices):
slice_param_tmp = SliceParam(sim_param)
slice_param_tmp.SLICE_ID = i
slices.append(SliceSimulation(slice_param_tmp))
slice_results.append([])
# initialize all users with traffics and distances
tmp_users = []
seed_dist = 0 # users in all slices have identical distance distributions
#rng_dist = RNG(ExponentialRNS(lambda_x=1. / float(sim_param.MEAN_Dist)), s_type='dist') # , the_seed=seed_dist
rng_dist = RNG(UniformRNS(sim_param.DIST_MIN,sim_param.DIST_MAX, the_seed=seed_dist), s_type='dist') #
dist_arr = [10, 100 ]#[30, 30, 100, 100, 100, 100, 100, 100, 100, 100] # 10*(1+user_id%no_of_users_per_slice)**2
for j in range(no_of_users_per_slice):
user_id = i*no_of_users_per_slice + j
#tmp_users.append(User(user_id, rng_dist.get_dist(), slice_list=[slices[i]], sim_param=sim_param))
tmp_users.append(User(user_id, dist_arr[j], slice_list=[slices[i]], sim_param=sim_param))
# insert user to slices
slices[i].insert_users(tmp_users)
# Choose Slice Manager Algorithm, 'PF': prop fair, 'MCQI': Max Channel Quality Index, 'RR': round-robin
slices[0].slice_param.SM_ALGO = 'RR'
slices[1].slice_param.SM_ALGO = 'MCQI'
slices[2].slice_param.SM_ALGO = 'PF'
# log Slice Parameters
for i in range(no_of_slices):
attrs = vars(slices[i].slice_param)
log_file.write('\nSliceParam\n' + ''.join("%s: %s\n" % item for item in attrs.items()))
#log_file.close()
# loop rounds for each slice
for i in range(int(sim_param.T_FINAL/sim_param.T_C)):
RB_mapping = SD_RAN_Controller.RB_allocate_to_slices(slices[0].sim_state.now, slices)
for j in range(len(slices)):
slices[j].prep_next_round(RB_mapping[j,:,:])
slice_results[j].append(slices[j].simulate_one_round())
# Store Simulation Results
# user results
parent_dir = "results/" + sim_param.timestamp + "/user_results"
path = parent_dir + "/tp"
for i in range(len(slice_results)):
user_count = len(slice_results[i][-1].server_results) # choose latest result for data
for k in range(user_count):
common_name = "/slice%d_user%d_" % (i, slice_results[i][-1].server_results[k].server.user.user_id)
cc_temp = slice_results[i][-1].server_results[k].server.counter_collection
# tp
filename = parent_dir + "/tp" + common_name + "sum_power_two.csv"
savetxt(filename, cc_temp.cnt_tp.sum_power_two, delimiter=',')
filename = parent_dir + "/tp" + common_name + "values.csv"
savetxt(filename, cc_temp.cnt_tp.values, delimiter=',')
filename = parent_dir + "/tp" + common_name + "timestamps.csv"
savetxt(filename, cc_temp.cnt_tp.timestamps, delimiter=',')
filename = parent_dir + "/tp" + common_name + "all_data.csv"
#savetxt(filename, np.transpose(np.array([cc_temp.cnt_tp.values,cc_temp.cnt_tp.timestamps])), delimiter=',')
df = DataFrame(np.transpose(np.array([cc_temp.cnt_tp.values,cc_temp.cnt_tp.timestamps])), columns=['Values', 'Timestamps'])
export_csv = df.to_csv(filename, index=None, header=True)
# tp2
filename = parent_dir + "/tp2" + common_name + "sum_power_two.csv"
savetxt(filename, cc_temp.cnt_tp2.sum_power_two, delimiter=',')
filename = parent_dir + "/tp2" + common_name + "values.csv"
savetxt(filename, cc_temp.cnt_tp2.values, delimiter=',')
filename = parent_dir + "/tp2" + common_name + "timestamps.csv"
savetxt(filename, cc_temp.cnt_tp2.timestamps, delimiter=',')
# ql
filename = parent_dir + "/ql" + common_name + "sum_power_two.csv"
savetxt(filename, cc_temp.cnt_ql.sum_power_two, delimiter=',')
filename = parent_dir + "/ql" + common_name + "values.csv"
savetxt(filename, cc_temp.cnt_ql.values, delimiter=',')
filename = parent_dir + "/ql" + common_name + "timestamps.csv"
savetxt(filename, cc_temp.cnt_ql.timestamps, delimiter=',')
# system time (delay)
filename = parent_dir + "/delay" + common_name + "values.csv"
savetxt(filename, cc_temp.cnt_syst.values, delimiter=',')
filename = parent_dir + "/delay" + common_name + "timestamps.csv"
savetxt(filename, cc_temp.cnt_syst.timestamps, delimiter=',')
# Find how to insert histograms
# plot results
parent_dir = "results/" + sim_param.timestamp
plot_results(parent_dir, no_of_slices, no_of_users_per_slice, sim_param, slices)
# rb dist printing
filename = "results/" + sim_param.timestamp + "/summary"
rb_total = 0
rb_dist = []
for s in slices:
rb_dist_slice = []
for u in s.server_list:
rb_dist_slice.append(u.RB_counter)
slicesum = np.nansum(rb_dist_slice)
print("Slice %d dist: " % s.slice_param.SLICE_ID, *np.round(np.divide(rb_dist_slice,slicesum/100), 1))
# write these to file savetxt(filename, cc_temp.cnt_ql.sum_power_two, delimiter=',')
rb_dist.append(slicesum)
totalsum = np.nansum(rb_dist)
print("rb dist (RR MCQI PF): ", *np.round(np.divide(rb_dist, totalsum / 100), 1))