Exemple #1
0
def arrival_list_to_csv(prefix: str,
                        data_frame_creator: Callable,
                        list_arr_list: List[List[ArrivalDistribution]],
                        ser_list: List[ConstantRateServer],
                        server_index: int,
                        perform_param: PerformParameter,
                        opt_method: OptMethod = None,
                        suffix="_adjusting_arrivals") -> pd.DataFrame:
    filename = prefix + perform_param.to_name()

    if opt_method is None:
        data_frame: pd.DataFrame = data_frame_creator(
            list_arr_list=list_arr_list,
            ser_list=ser_list,
            server_index=server_index,
            perform_param=perform_param)
    else:
        data_frame: pd.DataFrame = data_frame_creator(
            list_arr_list=list_arr_list,
            ser_list=ser_list,
            server_index=server_index,
            opt_method=opt_method,
            perform_param=perform_param)

    filename += "_" + list_arr_list[0][0].to_name()

    data_frame.to_csv(filename + suffix + '.csv',
                      index=True,
                      quoting=csv.QUOTE_NONNUMERIC)

    return data_frame
Exemple #2
0
def csv_single_param_exp_lower(start_time: int,
                               perform_param: PerformParameter,
                               mc_dist: MonteCarloDist,
                               sample=False) -> dict:
    total_iterations = 10**2
    valid_iterations = total_iterations
    metric = "relative"
    sample_size = 10**3

    delta = 0.05

    size_array = [total_iterations, 2]
    # [rows, columns]

    if mc_dist.mc_enum == MCEnum.UNIFORM:
        param_array = np.random.uniform(
            low=0, high=mc_dist.param_list[0], size=size_array)
    elif mc_dist.mc_enum == MCEnum.EXPONENTIAL:
        param_array = np.random.exponential(
            scale=mc_dist.param_list[0], size=size_array)
    else:
        raise NameError("Distribution parameter {0} is infeasible".format(
            mc_dist.mc_enum))

    res_array = np.empty([total_iterations, 3])
    if sample:
        res_array_sample = np.empty([total_iterations, 3])

    for i in tqdm(range(total_iterations)):
        setting = SingleServerPerform(
            arr=DM1(lamb=param_array[i, 0]),
            const_rate=ConstantRate(rate=param_array[i, 1]),
            perform_param=perform_param)

        theta_bounds = [(0.1, 4.0)]
        bound_array = theta_bounds[:]

        res_array[i, 0] = Optimize(setting=setting).grid_search(
            bound_list=bound_array, delta=delta)

        bound_array_power = theta_bounds[:]
        bound_array_power.append((0.9, 4.0))

        res_array[i, 1] = OptimizeNew(setting_new=setting).grid_search(
            bound_list=bound_array_power, delta=delta)

        if perform_param.perform_metric == PerformEnum.DELAY_PROB:
            res_array[i, 2] = delay_prob_lower_exp_dm1_opt(
                t=start_time,
                delay=perform_param.value,
                lamb=param_array[i, 0],
                rate=param_array[i, 1])

            if sample:
                res_array_sample[i, 0] = res_array[i, 0]
                res_array_sample[i, 1] = res_array[i, 1]
                res_array_sample[i, 2] = delay_prob_sample_exp_dm1_opt(
                    t=start_time,
                    delay=perform_param.value,
                    lamb=param_array[i, 0],
                    rate=param_array[i, 1],
                    sample_size=sample_size)

            if res_array[i, 0] > 1.0:
                res_array[i, ] = nan
                if sample:
                    res_array_sample[i, ] = nan

        elif perform_param.perform_metric == PerformEnum.OUTPUT:
            res_array[i, 2] = output_lower_exp_dm1_opt(
                s=start_time,
                delta_time=perform_param.value,
                lamb=param_array[i, 0],
                rate=param_array[i, 1])

        else:
            raise NameError("{0} is an infeasible performance metric".format(
                perform_param.perform_metric))

        if (res_array[i, 1] == inf or res_array[i, 2] == inf
                or res_array[i, 0] == nan or res_array[i, 1] == nan
                or res_array[i, 2] == nan):
            res_array[i, ] = nan
            res_array_sample[i, ] = nan
            valid_iterations -= 1

    # print("exponential results", res_array[:, 2])

    res_dict = three_col_array_to_results(
        arrival_enum=ArrivalEnum.DM1,
        res_array=res_array,
        valid_iterations=valid_iterations,
        metric=metric)

    res_dict.update({
        "iterations": total_iterations,
        "delta_time": perform_param.value,
        "optimization": "grid_search",
        "metric": "relative",
        "MCDistribution": mc_dist.to_name(),
        "MCParam": mc_dist.param_to_string()
    })

    res_dict_sample = three_col_array_to_results(
        arrival_enum=ArrivalEnum.DM1,
        res_array=res_array_sample,
        valid_iterations=valid_iterations,
        metric=metric)

    res_dict_sample.update({
        "iterations": total_iterations,
        "delta_time": perform_param.value,
        "optimization": "grid_search",
        "metric": "relative",
        "MCDistribution": mc_dist.to_name(),
        "MCParam": mc_dist.param_to_string()
    })

    with open(
            "lower_single_{0}_DM1_results_MC{1}_power_exp.csv".format(
                perform_param.to_name(), mc_dist.to_name()), 'w') as csv_file:
        writer = csv.writer(fileobj=csv_file)
        for key, value in res_dict.items():
            writer.writerow([key, value])
    if sample:
        with open(
                "sample_single_{0}_DM1_results_MC{1}_power_exp.csv".format(
                    perform_param.to_name(), mc_dist.to_name()),
                'w') as csv_file:
            writer = csv.writer(fileobj=csv_file)
            for key, value in res_dict_sample.items():
                writer.writerow([key, value])

    return res_dict
def csv_fat_cross_param_power(arrival_enum: ArrivalEnum, number_servers: int,
                              perform_param: PerformParameter,
                              opt_method: OptMethod,
                              mc_dist: MonteCarloDist) -> dict:
    """Chooses parameters by Monte Carlo type random choice."""
    total_iterations = 10**4
    valid_iterations = total_iterations
    metric = "relative"

    size_array = [
        total_iterations,
        (arrival_enum.number_parameters() + 1) * number_servers
        # const_rate has 1 parameter
    ]
    # [rows, columns]

    param_array = mc_enum_to_dist(mc_dist=mc_dist, size=size_array)

    res_array = np.empty([total_iterations, 2])

    # print(res_array)

    for i in tqdm(range(total_iterations), total=total_iterations):
        if arrival_enum == ArrivalEnum.DM1:
            arrive_list = [
                DM1(lamb=param_array[i, j]) for j in range(number_servers)
            ]

        elif arrival_enum == ArrivalEnum.MD1:
            arrive_list = [
                MD1(lamb=param_array[i, j],
                    mu=1 / (param_array[i,
                                        arrival_enum.number_parameters() *
                                        number_servers + j]))
                for j in range(number_servers)
            ]

        elif arrival_enum == ArrivalEnum.MMOO:
            arrive_list = [
                MMOOFluid(mu=param_array[i, j],
                          lamb=param_array[i, number_servers + j],
                          burst=param_array[i, 2 * number_servers + j])
                for j in range(number_servers)
            ]

        elif arrival_enum == ArrivalEnum.EBB:
            arrive_list = [
                EBB(factor_m=param_array[i, j],
                    decay=param_array[i, number_servers + j],
                    rho_single=param_array[i, 2 * number_servers + j])
                for j in range(number_servers)
            ]

        elif arrival_enum == ArrivalEnum.MassOne:
            arrive_list = [
                LeakyBucketMassOne(sigma_single=param_array[i, j],
                                   rho_single=param_array[i,
                                                          number_servers + j],
                                   n=20) for j in range(number_servers)
            ]
            # TODO: note that n is fixed

        elif arrival_enum == ArrivalEnum.TBConst:
            arrive_list = [
                TokenBucketConstant(sigma_single=param_array[i, j],
                                    rho_single=param_array[i,
                                                           number_servers + j],
                                    n=1) for j in range(number_servers)
            ]

        else:
            raise NameError("Arrival parameter {0} is infeasible".format(
                arrival_enum.name))

        if arrival_enum == ArrivalEnum.MD1 or arrival_enum == ArrivalEnum.MM1:
            service_list = [
                ConstantRate(rate=1.0) for j in range(number_servers)
            ]
        else:
            service_list = [
                ConstantRate(
                    rate=param_array[i,
                                     arrival_enum.number_parameters() *
                                     number_servers + j])
                for j in range(number_servers)
            ]

        setting = FatCrossPerform(arr_list=arrive_list,
                                  ser_list=service_list,
                                  perform_param=perform_param)

        # print(res_array[i, ])

        # standard_bound, new_bound = compute_improvement()
        res_array[i, 0], res_array[i, 1] = compute_improvement(
            setting=setting,
            opt_method=opt_method,
            number_l=number_servers - 1)

        if perform_param.perform_metric == PerformEnum.DELAY_PROB:
            if res_array[i, 1] > 1.0:
                res_array[i, ] = nan

        if res_array[i, 0] == nan or res_array[i, 1] == nan:
            res_array[i, ] = nan
            valid_iterations -= 1

    res_dict = two_col_array_to_results(arrival_enum=arrival_enum,
                                        param_array=param_array,
                                        res_array=res_array,
                                        number_servers=number_servers,
                                        valid_iterations=valid_iterations,
                                        metric=metric)

    res_dict.update({
        "iterations": total_iterations,
        "T": perform_param.value,
        "optimization": opt_method.name,
        "metric": metric,
        "MCDistribution": mc_dist.to_name(),
        "MCParam": mc_dist.param_to_string(),
        "number_servers": number_servers
    })

    with open(
            "sim_{0}_{1}_results_MC{2}_{3}_{4}.csv".format(
                perform_param.to_name(), arrival_enum.name, mc_dist.to_name(),
                opt_method.name, metric), 'w') as csv_file:
        writer = csv.writer(csv_file)
        for key, value in res_dict.items():
            writer.writerow([key, value])

    return res_dict