Esempio n. 1
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def run_mimic(t, samples, keep, m):
    fill = [N] * N
    ranges = array('i', fill)
    ef = TravelingSalesmanRouteEvaluationFunction(points)
    odd = DiscreteUniformDistribution(ranges)

    fname = outfile.format('MIMIC{}_{}_{}'.format(samples, keep, m),
                           str(t + 1))
    base.write_header(fname)
    df = DiscreteDependencyTree(m, ranges)
    ef = TravelingSalesmanRouteEvaluationFunction(points)
    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
Esempio n. 2
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def run_mimic(t, samples, keep, m):
    fname = outfile.format('MIMIC{}_{}_{}'.format(samples, keep, m),
                           str(t + 1))
    base.write_header(fname)
    ef = ContinuousPeaksEvaluationFunction(T)
    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
Esempio n. 3
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def run_rhc(t):
    fname = outfile.format('RHC', str(t + 1))
    base.write_header(fname)
    ef = TravelingSalesmanRouteEvaluationFunction(points)
    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 st
        base.write_to_file(fname, st)
    return
Esempio n. 4
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def run_ga(t, pop, mate, mutate):
    fname = outfile.format('GA{}_{}_{}'.format(pop, mate, mutate), str(t + 1))
    base.write_header(fname)
    ef = TravelingSalesmanRouteEvaluationFunction(points)
    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
Esempio n. 5
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def run_sa(t, CE):
    fname = outfile.format('SA{}'.format(CE), str(t + 1))
    base.write_header(fname)
    ef = TravelingSalesmanRouteEvaluationFunction(points)
    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
Esempio n. 6
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def run_rhc(t):
    fname = outfile.format('RHC', str(t + 1))
    base.write_header(fname)
    ef = ContinuousPeaksEvaluationFunction(T)
    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
Esempio n. 7
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def run_ga(t, pop, mate, mutate):
    fname = outfile.format('GA{}_{}_{}'.format(pop, mate, mutate), str(t + 1))
    base.write_header(fname)
    ef = ContinuousPeaksEvaluationFunction(T)
    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