示例#1
0
def main():
    args = parser.parse_args()

    pipeline_config_path = find_config(args.config_path)
    key_main_model = args.key_main_model
    population_size = args.p_size
    gpus = [int(gpu) for gpu in args.gpus.split(",")]
    train_partition = int(args.train_partition)
    start_from_population = int(args.start_from_population)
    path_to_population = args.path_to_population
    elitism_with_weights = args.elitism_with_weights
    iterations = int(args.iterations)

    p_crossover = args.p_cross
    pow_crossover = args.pow_cross
    p_mutation = args.p_mut
    pow_mutation = args.pow_mut

    if os.environ.get("CUDA_VISIBLE_DEVICES") is None:
        pass
    else:
        cvd = [
            int(gpu)
            for gpu in os.environ.get("CUDA_VISIBLE_DEVICES").split(",")
        ]
        if gpus == [-1]:
            gpus = cvd
        else:
            try:
                gpus = [cvd[gpu] for gpu in gpus]
            except IndexError:
                raise ConfigError(
                    "Can not use gpus `{}` with CUDA_VISIBLE_DEVICES='{}'".
                    format(",".join(map(str, gpus)), ",".join(map(str, cvd))))

    basic_params = read_json(pipeline_config_path)
    log.info("Given basic params: {}\n".format(
        json.dumps(basic_params, indent=2)))

    # Initialize evolution
    evolution = ParamsEvolution(population_size=population_size,
                                p_crossover=p_crossover,
                                crossover_power=pow_crossover,
                                p_mutation=p_mutation,
                                mutation_power=pow_mutation,
                                key_main_model=key_main_model,
                                seed=42,
                                train_partition=train_partition,
                                elitism_with_weights=elitism_with_weights,
                                **basic_params)

    considered_metrics = evolution.get_value_from_config(
        evolution.basic_config,
        list(evolution.find_model_path(evolution.basic_config, "metrics"))[0] +
        ["metrics"])
    considered_metrics = [
        metric['name'] if isinstance(metric, dict) else metric
        for metric in considered_metrics
    ]

    log.info(considered_metrics)
    evolve_metric = considered_metrics[0]

    # Create table variable for gathering results
    abs_path_to_main_models = expand_path(
        parse_value_with_config(evolution.models_path, evolution.basic_config))
    abs_path_to_main_models.mkdir(parents=True, exist_ok=True)

    result_file = abs_path_to_main_models / "result_table.tsv"
    print(result_file)

    result_table_columns = []
    result_table_dict = {}
    for el in considered_metrics:
        result_table_dict[el + "_valid"] = []
        result_table_dict[el + "_test"] = []
        result_table_columns.extend([el + "_valid", el + "_test"])

    result_table_dict["params"] = []
    result_table_columns.append("params")

    if start_from_population == 0:
        # if starting evolution from scratch
        iters = 0
        result_table = pd.DataFrame(result_table_dict)
        # write down result table file
        result_table.loc[:, result_table_columns].to_csv(result_file,
                                                         index=False,
                                                         sep='\t')

        log.info("Iteration #{} starts".format(iters))
        # randomly generate the first population
        population = evolution.first_generation()
    else:
        # if starting evolution from already existing population
        iters = start_from_population
        log.info("Iteration #{} starts".format(iters))

        population = []
        for i in range(population_size):
            config = read_json(
                expand_path(path_to_population) / f"model_{i}" / "config.json")

            evolution.insert_value_or_dict_into_config(
                config, evolution.path_to_models_save_path,
                str(evolution.main_model_path /
                    f"population_{start_from_population}" / f"model_{i}"))

            population.append(config)

    run_population(population, evolution, gpus)
    population_scores = results_to_table(population, evolution,
                                         considered_metrics, result_file,
                                         result_table_columns)[evolve_metric]
    log.info("Population scores: {}".format(population_scores))
    log.info("Iteration #{} was done".format(iters))
    iters += 1

    while True:
        if iterations != -1 and start_from_population + iterations == iters:
            log.info("End of evolution on iteration #{}".format(iters))
            break
        log.info("Iteration #{} starts".format(iters))
        population = evolution.next_generation(population, population_scores,
                                               iters)
        run_population(population, evolution, gpus)
        population_scores = results_to_table(
            population, evolution, considered_metrics, result_file,
            result_table_columns)[evolve_metric]
        log.info("Population scores: {}".format(population_scores))
        log.info("Iteration #{} was done".format(iters))
        iters += 1
示例#2
0
def main():
    args = parser.parse_args()

    pipeline_config_path = find_config(args.config_path)
    key_main_model = args.key_main_model
    population_size = args.p_size
    gpus = [int(gpu) for gpu in args.gpus.split(",")]
    train_partition = int(args.train_partition)
    start_from_population = int(args.start_from_population)
    path_to_population = args.path_to_population
    elitism_with_weights = args.elitism_with_weights
    iterations = int(args.iterations)

    p_crossover = args.p_cross
    pow_crossover = args.pow_cross
    p_mutation = args.p_mut
    pow_mutation = args.pow_mut

    if os.environ.get("CUDA_VISIBLE_DEVICES") is None:
        pass
    else:
        cvd = [int(gpu) for gpu in os.environ.get("CUDA_VISIBLE_DEVICES").split(",")]
        if gpus == [-1]:
            gpus = cvd
        else:
            try:
                gpus = [cvd[gpu] for gpu in gpus]
            except IndexError:
                raise ConfigError("Can not use gpus `{}` with CUDA_VISIBLE_DEVICES='{}'".format(
                    ",".join(map(str, gpus)), ",".join(map(str, cvd))
                ))

    basic_params = read_json(pipeline_config_path)
    log.info("Given basic params: {}\n".format(json.dumps(basic_params, indent=2)))

    # Initialize evolution
    evolution = ParamsEvolution(population_size=population_size,
                                p_crossover=p_crossover, crossover_power=pow_crossover,
                                p_mutation=p_mutation, mutation_power=pow_mutation,
                                key_main_model=key_main_model,
                                seed=42,
                                train_partition=train_partition,
                                elitism_with_weights=elitism_with_weights,
                                **basic_params)

    considered_metrics = evolution.get_value_from_config(evolution.basic_config,
                                                         list(evolution.find_model_path(
                                                             evolution.basic_config, "metrics"))[0] + ["metrics"])
    considered_metrics = [metric['name'] if isinstance(metric, dict) else metric for metric in considered_metrics]

    log.info(considered_metrics)
    evolve_metric = considered_metrics[0]

    # Create table variable for gathering results
    abs_path_to_main_models = expand_path(str(evolution.models_path).format(
        **evolution.basic_config['metadata']['variables']))
    abs_path_to_main_models.mkdir(parents=True, exist_ok=True)

    result_file = abs_path_to_main_models / "result_table.tsv"
    print(result_file)

    result_table_columns = []
    result_table_dict = {}
    for el in considered_metrics:
        result_table_dict[el + "_valid"] = []
        result_table_dict[el + "_test"] = []
        result_table_columns.extend([el + "_valid", el + "_test"])

    result_table_dict["params"] = []
    result_table_columns.append("params")

    if start_from_population == 0:
        # if starting evolution from scratch
        iters = 0
        result_table = pd.DataFrame(result_table_dict)
        # write down result table file
        result_table.loc[:, result_table_columns].to_csv(result_file, index=False, sep='\t')

        log.info("Iteration #{} starts".format(iters))
        # randomly generate the first population
        population = evolution.first_generation()
    else:
        # if starting evolution from already existing population
        iters = start_from_population
        log.info("Iteration #{} starts".format(iters))

        population = []
        for i in range(population_size):
            config = read_json(expand_path(path_to_population) / f"model_{i}" / "config.json")

            evolution.insert_value_or_dict_into_config(
                config, evolution.path_to_models_save_path,
                str(evolution.main_model_path / f"population_{start_from_population}" / f"model_{i}"))

            population.append(config)

    run_population(population, evolution, gpus)
    population_scores = results_to_table(population, evolution, considered_metrics,
                                         result_file, result_table_columns)[evolve_metric]
    log.info("Population scores: {}".format(population_scores))
    log.info("Iteration #{} was done".format(iters))
    iters += 1

    while True:
        if iterations != -1 and start_from_population + iterations == iters:
            log.info("End of evolution on iteration #{}".format(iters))
            break
        log.info("Iteration #{} starts".format(iters))
        population = evolution.next_generation(population, population_scores, iters)
        run_population(population, evolution, gpus)
        population_scores = results_to_table(population, evolution, considered_metrics,
                                             result_file, result_table_columns)[evolve_metric]
        log.info("Population scores: {}".format(population_scores))
        log.info("Iteration #{} was done".format(iters))
        iters += 1