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# Author: Simon Blanke |
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# Email: [email protected] |
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# License: MIT License |
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import multiprocessing |
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from tqdm import tqdm |
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from .optimizers import RandomSearchOptimizer |
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from .run_search import run_search |
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from .print_info import print_info |
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from .hyperactive_results import HyperactiveResults |
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class Hyperactive(HyperactiveResults): |
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def __init__( |
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self, |
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verbosity=["progress_bar", "print_results", "print_times"], |
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distribution={ |
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"multiprocessing": { |
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"initializer": tqdm.set_lock, |
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"initargs": (tqdm.get_lock(),), |
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} |
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}, |
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n_processes="auto", |
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): |
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super().__init__() |
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if verbosity is False: |
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verbosity = [] |
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self.verbosity = verbosity |
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self.distribution = distribution |
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self.n_processes = n_processes |
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self.search_ids = [] |
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self.process_infos = {} |
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self.progress_boards = {} |
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def _add_search_processes( |
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self, |
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random_state, |
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objective_function, |
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optimizer, |
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n_iter, |
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n_jobs, |
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max_score, |
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memory, |
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memory_warm_start, |
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search_id, |
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): |
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if n_jobs == -1: |
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n_jobs = multiprocessing.cpu_count() |
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for _ in range(n_jobs): |
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nth_process = len(self.process_infos) |
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self.process_infos[nth_process] = { |
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"random_state": random_state, |
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"verbosity": self.verbosity, |
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"nth_process": nth_process, |
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"objective_function": objective_function, |
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"optimizer": optimizer, |
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"n_iter": n_iter, |
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"max_score": max_score, |
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"memory": memory, |
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"memory_warm_start": memory_warm_start, |
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"search_id": search_id, |
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} |
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def _default_opt(self, optimizer): |
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if isinstance(optimizer, str): |
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if optimizer == "default": |
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optimizer = RandomSearchOptimizer() |
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return optimizer |
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def _default_search_id(self, search_id, objective_function): |
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if not search_id: |
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search_id = objective_function.__name__ |
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return search_id |
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def _init_progress_board(self, progress_board, search_id, search_space): |
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data_c = None |
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if progress_board: |
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data_c = progress_board.init_paths(search_id, search_space) |
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if progress_board.uuid not in self.progress_boards: |
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self.progress_boards[progress_board.uuid] = progress_board |
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return data_c |
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@staticmethod |
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def check_list(search_space): |
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for key in search_space.keys(): |
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search_dim = search_space[key] |
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error_msg = ( |
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"Value in '{}' of search space dictionary must be of type list".format( |
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key |
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) |
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) |
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if not isinstance(search_dim, list): |
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print("Warning", error_msg) |
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# raise ValueError(error_msg) |
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def add_search( |
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self, |
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objective_function, |
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search_space, |
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n_iter, |
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search_id=None, |
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optimizer="default", |
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n_jobs=1, |
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initialize={"grid": 4, "random": 2, "vertices": 4}, |
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max_score=None, |
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random_state=None, |
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memory=True, |
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memory_warm_start=None, |
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progress_board=None, |
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): |
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optimizer = self._default_opt(optimizer) |
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search_id = self._default_search_id(search_id, objective_function) |
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progress_collector = self._init_progress_board( |
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progress_board, search_id, search_space |
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) |
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self.check_list(search_space) |
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optimizer.init(search_space, initialize, progress_collector) |
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self._add_search_processes( |
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random_state, |
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objective_function, |
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optimizer, |
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n_iter, |
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n_jobs, |
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max_score, |
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memory, |
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memory_warm_start, |
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search_id, |
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) |
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def _print_info(self): |
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for results in self.results_list: |
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nth_process = results["nth_process"] |
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print_info( |
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verbosity=self.process_infos[nth_process]["verbosity"], |
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objective_function=self.process_infos[nth_process][ |
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"objective_function" |
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], |
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best_score=results["best_score"], |
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best_para=results["best_para"], |
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best_iter=results["best_iter"], |
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eval_times=results["eval_times"], |
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iter_times=results["iter_times"], |
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n_iter=self.process_infos[nth_process]["n_iter"], |
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) |
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def run(self, max_time=None, _test_st_backend=False): |
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for nth_process in self.process_infos.keys(): |
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self.process_infos[nth_process]["max_time"] = max_time |
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# open progress board |
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if not _test_st_backend: |
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for progress_board in self.progress_boards.values(): |
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progress_board.open_dashboard() |
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self.results_list = run_search( |
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self.process_infos, self.distribution, self.n_processes |
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) |
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# delete lock files |
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if not _test_st_backend: |
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for progress_board in self.progress_boards.values(): |
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for search_id in progress_board.search_ids: |
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progress_board._io_.remove_lock(search_id) |
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self._print_info() |
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SimonBlanke /
Hyperactive
