def run_mimic(t, samples, keep, m):
fname = outfile.format('MIMIC{}_{}_{}'.format(samples, keep, m),
str(t + 1))
base.write_header(fname)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
df = DiscreteDependencyTree(m, ranges)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
mimic = MIMIC(samples, keep, pop)
fit = FixedIterationTrainer(mimic, 10)
times = [0]
for i in range(0, maxIters, 10):
start = clock()
fit.train()
elapsed = time.clock() - start
times.append(times[-1] + elapsed)
fevals = ef.fevals
score = ef.value(mimic.getOptimal())
ef.fevals -= 1
st = '{},{},{},{}\n'.format(i, score, times[-1], fevals)
# print st
base.write_to_file(fname, st)
return
def run_sa(t, CE):
fname = outfile.format('SA{}'.format(CE), str(t + 1))
base.write_header(fname)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
sa = SimulatedAnnealing(1E10, CE, hcp)
fit = FixedIterationTrainer(sa, 10)
times = [0]
for i in range(0, maxIters, 10):
start = clock()
fit.train()
elapsed = time.clock() - start
times.append(times[-1] + elapsed)
fevals = ef.fevals
score = ef.value(sa.getOptimal())
ef.fevals -= 1
st = '{},{},{},{}\n'.format(i, score, times[-1], fevals)
# print st
base.write_to_file(fname, st)
return
def run_rhc(t):
fname = outfile.format('RHC', str(t + 1))
base.write_header(fname)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, 10)
times = [0]
for i in range(0, maxIters, 10):
start = clock()
fit.train()
elapsed = time.clock() - start
times.append(times[-1] + elapsed)
fevals = ef.fevals
score = ef.value(rhc.getOptimal())
ef.fevals -= 1
st = '{},{},{},{}\n'.format(i, score, times[-1], fevals)
# print fname, st
base.write_to_file(fname, st)
return
def run_ga(t, pop, mate, mutate):
fname = outfile.format('GA{}_{}_{}'.format(pop, mate, mutate), str(t + 1))
base.write_header(fname)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
ga = StandardGeneticAlgorithm(pop, mate, mutate, gap)
fit = FixedIterationTrainer(ga, 10)
times = [0]
for i in range(0, maxIters, 10):
start = clock()
fit.train()
elapsed = time.clock() - start
times.append(times[-1] + elapsed)
fevals = ef.fevals
score = ef.value(ga.getOptimal())
ef.fevals -= 1
st = '{},{},{},{}\n'.format(i, score, times[-1], fevals)
# print st
base.write_to_file(fname, st)
return
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
iters = 5000
t0 = time.time()
calls = []
results = []
for _ in range(runs):
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, iters)
fitness = fit.train()
results.append(ef.value(rhc.getOptimal()))
calls.append(ef.getTotalCalls())
ef.clearCount()
print "RHC, average results , " + str(
sum(results) / float(runs)) + ", countones-%d.txt" % N
print "RHC, average feval calls , " + str(
sum(calls) / float(runs)) + ", countones-%d.txt" % N
t1 = time.time() - t0
print "RHC, average time , " + str(float(t1) / runs) + ", countones-%d.txt" % N
t0 = time.time()
calls = []
results = []
for _ in range(runs):
sa = SimulatedAnnealing(1e10, .95, hcp)
fit = FixedIterationTrainer(sa, iters)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
times = ""
print "RHC:"
for x in range(20):
start = time.time()
iterations = (x + 1) * 250
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, iterations)
fit.train()
print(str(ef.value(rhc.getOptimal())))
end = time.time()
times += "\n%0.03f" % (end - start)
print(times)
times = ""
print "SA:"
for x in range(20):
start = time.time()
iterations = (x + 1) * 250
sa = SimulatedAnnealing(100, .95, hcp)
fit = FixedIterationTrainer(sa, iterations)
fit.train()
print(str(ef.value(sa.getOptimal())))
end = time.time()
times += "\n%0.03f" % (end - start)
runs : number of runs to average over
"""
fill = [2] * N
ranges = array('i', fill)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
t0 = time.time()
calls = []
results = []
for _ in range(runs):
mimic = MIMIC(samples, tokeep, pop)
fit = FixedIterationTrainer(mimic, 100)
fitness = fit.train()
results.append(ef.value(mimic.getOptimal()))
calls.append(ef.getTotalCalls())
ef.clearCount()
print "MIMIC, average results, " + str(sum(results)/float(runs)) + ", countones_MIMIC-%d-%d-%d.txt" % (N, samples, tokeep)
print "MIMIC, average feval calls , " + str(sum(calls)/float(runs)) + ", countones_MIMIC-%d-%d-%d.txt" % (N, samples, tokeep)
t1 = time.time() - t0
print "MIMIC, average time , " + str(t1/float(runs)) + ", countones_MIMIC-%d-%d-%d.txt" % (N, samples, tokeep)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
rhc = RandomizedHillClimbing(hcp)
sa = SimulatedAnnealing(100, .95, hcp)
ga = StandardGeneticAlgorithm(20, 20, 0, gap)
mimic = MIMIC(50, 10, pop)
rhc_f = open('out/op/countones/rhc.csv', 'w')
sa_f = open('out/op/countones/sa.csv', 'w')
ga_f = open('out/op/countones/ga.csv', 'w')
mimic_f = open('out/op/countones/mimic.csv', 'w')
for i in range(ITERATIONS):
rhc.train()
rhc_fitness = ef.value(rhc.getOptimal())
rhc_f.write('{},{}\n'.format(i, rhc_fitness))
sa.train()
sa_fitness = ef.value(sa.getOptimal())
sa_f.write('{},{}\n'.format(i, sa_fitness))
ga.train()
ga_fitness = ef.value(ga.getOptimal())
ga_f.write('{},{}\n'.format(i, ga_fitness))
mimic.train()
mimic_fitness = ef.value(mimic.getOptimal())
mimic_f.write('{},{}\n'.format(i, mimic_fitness))
rhc_f.close()
N : number in the test vector
runs : number of runs to average over
"""
fill = [2] * N
ranges = array('i', fill)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
t0 = time.time()
calls = []
results = []
for _ in range(runs):
ga = StandardGeneticAlgorithm(ga_pop, ga_keep, ga_mut, gap)
fit = FixedIterationTrainer(ga, 150)
fitness = fit.train()
results.append(ef.value(ga.getOptimal()))
calls.append(ef.getTotalCalls())
ef.clearCount()
print "GA, average results , " + str(sum(results)/float(runs)) + ", countones_ga_%d-%d-%d-%d-%d.txt" % (N, ga_pop,co_type,ga_keep,ga_mut)
print "GA, average feval calls , " + str(sum(calls)/float(runs)) + ", countones_ga_%d-%d-%d-%d-%d.txt" % (N, ga_pop,co_type,ga_keep,ga_mut)
t1 = time.time() - t0
print "GA, average time , " + str(t1/float(runs)) + ", countones_ga_%d-%d-%d-%d-%d.txt" % (N, ga_pop,co_type,ga_keep,ga_mut)
ranges = array('i', fill)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, 200)
fit.train()
print "RHC: " + str(ef.value(rhc.getOptimal()))
sa = SimulatedAnnealing(100, .95, hcp)
fit = FixedIterationTrainer(sa, 200)
fit.train()
print "SA: " + str(ef.value(sa.getOptimal()))
ga = StandardGeneticAlgorithm(20, 20, 0, gap)
fit = FixedIterationTrainer(ga, 300)
fit.train()
print "GA: " + str(ef.value(ga.getOptimal()))
mimic = MIMIC(50, 10, pop)
fit = FixedIterationTrainer(mimic, 100)
fit.train()
print "MIMIC: " + str(ef.value(mimic.getOptimal()))
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
start = time.time()
rhc = RandomizedHillClimbing(hcp)
rhcIterations = 100
fit = FixedIterationTrainer(rhc, rhcIterations)
fit.train()
print("\nRHC: " + str(ef.value(rhc.getOptimal())))
print("RHC Iterations: " + str(rhcIterations))
end = time.time()
traintime = end - start
print("RHC results time: %0.03f seconds" % (traintime,))
start = time.time()
sa = SimulatedAnnealing(100, .95, hcp)
saIterations = 200
fit = FixedIterationTrainer(sa, saIterations)
fit.train()
print("\nSA: " + str(ef.value(sa.getOptimal())))
print("SA Iterations: " + str(saIterations))
end = time.time()
traintime = end - start
print("SA results time: %0.03f seconds" % (traintime,))
ranges = array('i', fill)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, 200)
fit.train()
print "RHC: " + str(ef.value(rhc.getOptimal()))
sa = SimulatedAnnealing(100, .95, hcp)
fit = FixedIterationTrainer(sa, 200)
fit.train()
print "SA: " + str(ef.value(sa.getOptimal()))
ga = StandardGeneticAlgorithm(20, 20, 0, gap)
fit = FixedIterationTrainer(ga, 300)
fit.train()
print "GA: " + str(ef.value(ga.getOptimal()))
mimic = MIMIC(50, 10, pop)
fit = FixedIterationTrainer(mimic, 100)
fit.train()
print "MIMIC: " + str(ef.value(mimic.getOptimal()))
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
rhc = RandomizedHillClimbing(hcp)
print "Random Hill Climb"
iters_list = [10, 25, 50, 100, 200, 300, 400, 500]
for iters in iters_list:
fit = FixedIterationTrainer(rhc, iters)
start = time.time()
fit.train()
duration = time.time() - start
print "Iterations: " + str(iters) + ", Fitness: " + str(
ef.value(rhc.getOptimal())), ", Duration: " + str(duration)
print "Simulated Annealing"
for iters in iters_list:
# Initial temperature of 100, with a cooling factor of .95 every iteration.
# Thus the temperature will be 100 for the first iteration, 95 for the second, 90.25, 87.65...
sa = SimulatedAnnealing(100, .95, hcp)
fit = FixedIterationTrainer(sa, iters)
start = time.time()
fit.train()
duration = time.time() - start
print "Iterations: " + str(iters) + ", Fitness: " + str(
ef.value(sa.getOptimal())), ", Duration: " + str(duration)
print "Simulated Annealing - Temperatures"
temps = [100, 90, 75, 50, 25, 10]
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, N)
start = time.time()
fit.train()
end = time.time()
training_time = end - start
print "RHC: " + str(ef.value(rhc.getOptimal()))
OUTFILE = "%s%s.csv" % (OUTFILE_BASE, "RHC")
with open(OUTFILE, 'a+') as f:
f.write("%d,%f,%f\n" % (N, training_time, ef.value(rhc.getOptimal())))
sa = SimulatedAnnealing(1E11, .95, hcp)
fit = FixedIterationTrainer(sa, N)
start = time.time()
fit.train()
end = time.time()
training_time = end - start
print "SA: " + str(ef.value(sa.getOptimal()))
OUTFILE = "%s%s.csv" % (OUTFILE_BASE, "SA")
with open(OUTFILE, 'a+') as f:
f.write("%d,%f,%f\n" % (N, training_time, ef.value(sa.getOptimal())))
def run_count_ones_experiments():
OUTPUT_DIRECTORY = './output'
N = 80
fill = [2] * N
ranges = array('i', fill)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
max_iter = 5000
outfile = OUTPUT_DIRECTORY + '/count_ones_{}_log.csv'
# Randomized Hill Climber
filename = outfile.format('rhc')
with open(filename, 'w') as f:
f.write('iteration,fitness,time\n')
for it in range(0, max_iter, 10):
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, it)
start_time = time.clock()
fit.train()
elapsed_time = time.clock() - start_time
# fevals = ef.fevals
score = ef.value(rhc.getOptimal())
data = '{},{},{}\n'.format(it, score, elapsed_time)
print(data)
with open(filename, 'a') as f:
f.write(data)
# Simulated Annealing
filename = outfile.format('sa')
with open(filename, 'w') as f:
f.write('iteration,cooling_value,fitness,time\n')
for cooling_value in (.19, .38, .76, .95):
for it in range(0, max_iter, 10):
sa = SimulatedAnnealing(100, cooling_value, hcp)
fit = FixedIterationTrainer(sa, it)
start_time = time.clock()
fit.train()
elapsed_time = time.clock() - start_time
# fevals = ef.fevals
score = ef.value(sa.getOptimal())
data = '{},{},{},{}\n'.format(it, cooling_value, score, elapsed_time)
print(data)
with open(filename, 'a') as f:
f.write(data)
# Genetic Algorithm
filename = outfile.format('ga')
with open(filename, 'w') as f:
f.write('iteration,population_size,to_mate,to_mutate,fitness,time\n')
for population_size, to_mate, to_mutate in itertools.product([20], [4, 8, 16, 20], [0, 2, 4, 6]):
for it in range(0, max_iter, 10):
ga = StandardGeneticAlgorithm(population_size, to_mate, to_mutate, gap)
fit = FixedIterationTrainer(ga, it)
start_time = time.clock()
fit.train()
elapsed_time = time.clock() - start_time
# fevals = ef.fevals
score = ef.value(ga.getOptimal())
data = '{},{},{},{},{},{}\n'.format(it, population_size, to_mate, to_mutate, score, elapsed_time)
print(data)
with open(filename, 'a') as f:
f.write(data)
# MIMIC
filename = outfile.format('mm')
with open(filename, 'w') as f:
f.write('iterations,samples,to_keep,m,fitness,time\n')
for samples, to_keep, m in itertools.product([50], [10], [0.1, 0.3, 0.5, 0.7, 0.9]):
for it in range(0, 500, 10):
df = DiscreteDependencyTree(m, ranges)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
mm = MIMIC(samples, 20, pop)
fit = FixedIterationTrainer(mm, it)
start_time = time.clock()
fit.train()
elapsed_time = time.clock() - start_time
# fevals = ef.fevals
score = ef.value(mm.getOptimal())
data = '{},{},{},{},{},{}\n'.format(it, samples, to_keep, m, score, elapsed_time)
print(data)
with open(filename, 'a') as f:
f.write(data)
with open(fname, 'w') as f:
f.write('iterations,fitness,time,fevals\n')
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, 10)
times = [0]
for i in range(0, maxIters, 10):
start = clock()
fit.train()
elapsed = time.clock() - start
times.append(times[-1] + elapsed)
fevals = i
score = ef.value(rhc.getOptimal())
st = '{},{},{},{}\n'.format(i, score, times[-1], fevals)
print st
with open(fname, 'a') as f:
f.write(st)
# SA
for t in range(numTrials):
for CE in [0.15, 0.35, 0.55, 0.75, 0.95]:
fname = outfile.format('SA{}'.format(CE), str(t + 1))
with open(fname, 'w') as f:
f.write('iterations,fitness,time,fevals\n')
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
iters = 5000
t0 = time.time()
calls = []
results = []
for _ in range(runs):
rhc = RandomizedHillClimbing(hcp)
fit = FixedIterationTrainer(rhc, iters)
fitness = fit.train()
results.append(ef.value(rhc.getOptimal()))
calls.append(ef.getTotalCalls())
ef.clearCount()
print "RHC, average results , " + str(sum(results)/float(runs)) + ", countones-%d.txt" % N
print "RHC, average feval calls , " + str(sum(calls)/float(runs)) + ", countones-%d.txt" % N
t1 = time.time() - t0
print "RHC, average time , " + str(float(t1)/runs) + ", countones-%d.txt" % N
t0 = time.time()
calls = []
results = []
for _ in range(runs):
sa = SimulatedAnnealing(1e10, .95, hcp)
fit = FixedIterationTrainer(sa, iters)
fitness = fit.train()
start_sa = time.time()
fit_sa.train()
end_sa = time.time()
start_ga = time.time()
fit_ga.train()
end_ga = time.time()
start_mimic = time.time()
fit_mimic.train()
end_mimic = time.time()
# Result handling
last_train_time_rhc = end_rhc - start_rhc
rhc_train_time[repetition].append(last_train_time_rhc)
rhc_accuracy[repetition].append(ef.value(rhc.getOptimal()))
last_train_time_sa = end_sa - start_sa
sa_train_time[repetition].append(last_train_time_sa)
sa_accuracy[repetition].append(ef.value(sa.getOptimal()))
last_train_time_ga = end_ga - start_ga
ga_train_time[repetition].append(last_train_time_ga)
ga_accuracy[repetition].append(ef.value(ga.getOptimal()))
last_train_time_mimic = end_mimic - start_mimic
mimic_train_time[repetition].append(last_train_time_mimic)
mimic_accuracy[repetition].append(ef.value(mimic.getOptimal()))
while current_iteration_count <= MAX_ITERATION - ITERATION_STEP:
print("Computing for %d iterations" % (current_iteration_count + ITERATION_STEP))
from time import time
f = open("experiments/results/countones_optimal_1000.txt", "w")
f.write("starting RHC\n")
rhc = RandomizedHillClimbing(hill_climbing_problem)
score = 0
iters = 0
t0 = time()
while iters < 60000:
score = rhc.train()
f.write(str(iters) + str(score) +"\n")
iters += 1
print "RHC: " + str(ef.value(rhc.getOptimal())), "time taken", time() - t0, "Iterations:", iters
f.write("starting SA\n")
sa = SimulatedAnnealing(1E13, .95, hill_climbing_problem)
t0 = time()
iters = 0
score = 0
while iters < 60000:
score = sa.train()
f.write(str(iters) + str(score))
iters += 1
print "SA: " + str(ef.value(sa.getOptimal())), "time taken", time() - t0, "Iterations", iters
ga = StandardGeneticAlgorithm(200, 100, 10, genetic_problem)
ef = CountOnesEvaluationFunction()
odd = DiscreteUniformDistribution(ranges)
nf = DiscreteChangeOneNeighbor(ranges)
mf = DiscreteChangeOneMutation(ranges)
cf = SingleCrossOver()
df = DiscreteDependencyTree(.1, ranges)
hcp = GenericHillClimbingProblem(ef, odd, nf)
gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf)
pop = GenericProbabilisticOptimizationProblem(ef, odd, df)
t0 = time.time()
calls = []
results = []
for _ in range(runs):
ga = StandardGeneticAlgorithm(ga_pop, ga_keep, ga_mut, gap)
fit = FixedIterationTrainer(ga, 150)
fitness = fit.train()
results.append(ef.value(ga.getOptimal()))
calls.append(ef.getTotalCalls())
ef.clearCount()
print "GA, average results , " + str(
sum(results) / float(runs)) + ", countones_ga_%d-%d-%d-%d-%d.txt" % (
N, ga_pop, co_type, ga_keep, ga_mut)
print "GA, average feval calls , " + str(
sum(calls) / float(runs)) + ", countones_ga_%d-%d-%d-%d-%d.txt" % (
N, ga_pop, co_type, ga_keep, ga_mut)
t1 = time.time() - t0
print "GA, average time , " + str(
t1 / float(runs)) + ", countones_ga_%d-%d-%d-%d-%d.txt" % (
N, ga_pop, co_type, ga_keep, ga_mut)
odd = DiscreteUniformDistribution(ranges) nf = DiscreteChangeOneNeighbor(ranges) mf = DiscreteChangeOneMutation(ranges) cf = SingleCrossOver() df = DiscreteDependencyTree(.1, ranges) hcp = GenericHillClimbingProblem(ef, odd, nf) gap = GenericGeneticAlgorithmProblem(ef, odd, mf, cf) pop = GenericProbabilisticOptimizationProblem(ef, odd, df) from time import time rhc = RandomizedHillClimbing(hcp) fit = FixedIterationTrainer(rhc, 600000) t0 = time() fit.train() print "RHC: " + str(ef.value(rhc.getOptimal())), "time taken", time() - t0 sa = SimulatedAnnealing(1E11, .95, hcp) fit = FixedIterationTrainer(sa, 600000) t0 = time() fit.train() print "SA: " + str(ef.value(sa.getOptimal())), "time taken", time() - t0 ga = StandardGeneticAlgorithm(200, 100, 10, gap) fit = FixedIterationTrainer(ga, 20000) t0 = time() fit.train() print "GA: " + str(ef.value(ga.getOptimal())), "time taken", time() - t0