Example #1
0
    def __init__(self,
                 data_dir,
                 multi_fidelity=False,
                 log_scale=True,
                 negative=True,
                 seed=None):
        optim = 0.04944576819737756
        if log_scale:
            optim = np.log(optim)
        if negative:
            optim = -optim
        super(NAS101Cifar10, self).__init__(dim=None,
                                            optimum_location=None,
                                            optimal_val=optim,
                                            bounds=None)

        self.seed = seed
        self.multi_fidelity = multi_fidelity
        self.log_scale = log_scale
        if self.multi_fidelity:
            self.dataset = api.NASBench(os.path.join(data_dir,
                                                     'nasbench_full.tfrecord'),
                                        seed=0)
        else:
            self.dataset = api.NASBench(
                os.path.join(data_dir, 'nasbench_only108.tfrecord'))
        self.X = []
        self.y_valid = []
        self.y_test = []
        self.costs = []
        self.model_spec_list = []
        self.negative = negative
Example #2
0
 def _init_nasbench(self):
     # the arch -> performances dataset
     self.base_dir = os.path.join(utils.get_awnas_dir("AWNAS_DATA", "data"), "nasbench-101")
     if self.multi_fidelity:
         self.nasbench = api.NASBench(os.path.join(self.base_dir, "nasbench_full.tfrecord"))
     else:
         self.nasbench = api.NASBench(os.path.join(self.base_dir, "nasbench_only108.tfrecord"))
Example #3
0
    def __init__(self, benchmark_name):

        self.benchmark_name = benchmark_name

        if benchmark_name.startswith('nasbench101'):
            if benchmark_name == 'nasbench101_full':
                self.bench = api.NASBench(
                    "/home/zengxia6/research/NAS/nasbench_data/nasbench_full.tfrecord"
                )
            else:
                self.bench = api.NASBench(
                    "/home/zengxia6/research/NAS/nasbench_data/nasbench_only108.tfrecord"
                )
Example #4
0
def random_models(argv):
    del argv  # Unused
    LIMIT = 100
    OUTPUT = './experiments/random_sampling.json'

    # Load the data from file (this will take some time)
    nasbench = api.NASBench(NASBENCH_TFRECORD)

    npEnc = api._NumpyEncoder()
    for index, unique_hash in enumerate(nasbench.hash_iterator()):
        if index >= LIMIT:
            break
        fixed_metrics, computed_metrics = nasbench.get_metrics_from_hash(
            unique_hash)
        model_spec = api.ModelSpec(matrix=fixed_metrics['module_adjacency'],
                                   ops=fixed_metrics['module_operations'])
        random_estimate = nasbench.random_estimate(model_spec, MODEL_DIR)
        data = nasbench.query(model_spec)
        merge = {**fixed_metrics, **computed_metrics}
        merge['module_adjacency'] = npEnc.default(
            fixed_metrics['module_adjacency'])
        merge['random_sampling_time'] = random_estimate['prediction_time']
        merge['random_samples'] = random_estimate['evaluation_results']
        merge['train_accuracy'] = data['train_accuracy']
        merge['test_accuracy'] = data['test_accuracy']
        merge['validation_accuracy'] = data['validation_accuracy']
        print(index, merge)

        with open(OUTPUT, 'a') as f:
            f.write(json.dumps(merge) + '\n')
Example #5
0
def single_model(argv):
    del argv  # Unused

    # Load the data from file (this will take some time)
    nasbench = api.NASBench(NASBENCH_TFRECORD)

    # Create an Inception-like module (5x5 convolution replaced with two 3x3
    # convolutions).
    model_spec = api.ModelSpec(
        # Adjacency matrix of the module
        matrix=[
            [0, 1, 1, 1, 0, 1, 0],  # input layer
            [0, 0, 0, 0, 0, 0, 1],  # 1x1 conv
            [0, 0, 0, 0, 0, 0, 1],  # 3x3 conv
            [0, 0, 0, 0, 1, 0, 0],  # 5x5 conv (replaced by two 3x3's)
            [0, 0, 0, 0, 0, 0, 1],  # 5x5 conv (replaced by two 3x3's)
            [0, 0, 0, 0, 0, 0, 1],  # 3x3 max-pool
            [0, 0, 0, 0, 0, 0, 0]
        ],  # output layer
        # Operations at the vertices of the module, matches order of matrix
        ops=[INPUT, CONV1X1, CONV3X3, CONV3X3, CONV3X3, MAXPOOL3X3, OUTPUT])

    random_estimate = nasbench.random_estimate(model_spec, MODEL_DIR)
    print(random_estimate)
    # Query this model from dataset, returns a dictionary containing the metrics
    # associated with this model.
    # print('Querying an Inception-like model.')
    data = nasbench.query(model_spec)
    print(data)
Example #6
0
 def __init__(self,
              dim=-1,
              minimize=True,
              filename="nasbench_only108.tfrecord"):
     """
     Parameters
     ----------
     dim : int, default -1
         The dimension of the problem.
         In this function, this is a dummy variable, i.e. not used.
     filename : str, default "nasbench_only108.tfrecord"
         "nasbench_full.tfrecord" or "nasbench_only108.tfrecord".
     """
     super(NasBench101, self).__init__(MATRIX_ELEMENTS + VERTICES - 2,
                                       minimize=minimize)
     self._categories[MATRIX_ELEMENTS:] = 3
     data_dir = "{}/data".format(os.path.dirname(os.path.abspath(__file__)))
     if not os.path.exists("{}/{}".format(data_dir, filename)):
         os.makedirs(data_dir, exist_ok=True)
         print("downloading data now...")
         subprocess.run(
             "wget -P {} https://storage.googleapis.com/nasbench/{}".format(
                 data_dir, filename),
             shell=True)
     self.nasbench = api.NASBench('{}/{}'.format(data_dir, filename))
     self.estimated_wall_clock_time = 0
     self.y_star_valid = 0.04944576819737756  # lowest mean validation error
     self.y_star_test = 0.056824247042338016  # lowest mean test error
def main(*args, **kwargs):
    nasbench = nasbench_api.NASBench(FLAGS.path_to_nasbench)
    module = nasbench.fixed_statistics[FLAGS.hash_key]
    spec = model_spec.ModelSpec(module['module_adjacency'],
                                module['module_operations'])

    config = nasbench_config.build_config()
    for flag in FLAGS.flags_by_module_dict()[args[0][0]]:
        config[flag.name] = flag.value
    config['use_tpu'] = False
    config['use_KD'] = False
    config['intermediate_evaluations'] = ['1.0']

    trainset_multipier = FLAGS.trainset_part_percentage / 100.0
    config['num_train'] = int(config['num_train'] * trainset_multipier)
    config['num_train_eval'] = int(config['num_train_eval'] *
                                   trainset_multipier)
    config['num_augment'] = int(config['num_augment'] * trainset_multipier)

    logging.info("Prepare KD dataset")
    dataset_files = FLAGS.train_data_files + [
        FLAGS.valid_data_file, FLAGS.test_data_file, FLAGS.sample_data_file
    ]
    prepare_kd_dataset(spec, config, FLAGS.save_path, dataset_files,
                       FLAGS.new_dataset_path, FLAGS.trainset_part_percentage)
Example #8
0
    def __init__(self,
                 search_space,
                 dataset='cifar10',
                 nasbench_folder='./',
                 index_hash_folder='./',
                 loaded_nasbench=None):

        self.search_space = search_space
        self.dataset = dataset
        """
        Some of the path-based encoding methods require a hash map from path indices to
        cell architectures. We have created a pickle file which contains this hash map, located
        at https://drive.google.com/file/d/1yMRFxT6u3ZyfiWUPhtQ_B9FbuGN3X-Nf/view?usp=sharing
        """
        self.index_hash = pickle.load(
            open(os.path.expanduser(index_hash_folder + 'index_hash.pkl'),
                 'rb'))

        # instructions for installing nasbench-101 and nas-bench-201 are in the readme
        if loaded_nasbench:
            self.nasbench = loaded_nasbench
        elif search_space == 'nasbench':
            self.nasbench = api.NASBench(nasbench_folder +
                                         'nasbench_only108.tfrecord')
        elif search_space == 'nasbench_201':
            self.nasbench = API(
                os.path.expanduser(
                    '~/nas-bench-201/NAS-Bench-201-v1_0-e61699.pth'))
        elif search_space != 'darts':
            print(search_space, 'is not a valid search space')
            sys.exit()
    def __init__(self, data_dir, multi_fidelity=False):

        self.multi_fidelity = multi_fidelity
        if self.multi_fidelity:
            self.dataset = api.NASBench(
                os.path.join(data_dir, 'nasbench_full.tfrecord'))
        else:
            self.dataset = api.NASBench(
                os.path.join(data_dir, 'nasbench_only108.tfrecord'))
        self.X = []
        self.y_valid = []
        self.y_test = []
        self.costs = []

        self.y_star_valid = 0.04944576819737756  # lowest mean validation error
        self.y_star_test = 0.056824247042338016  # lowest mean test error
    def setUpClass(cls):
        with initialize(config_path="../configs"):
            cfg = compose(config_name="test")
            cls.edit_distance = cfg.edit_distance
            cls.graph_modify_ratio = cfg.graph_modify_ratio
            cls.TESTCASE_COUNT = cfg.TESTCASE_COUNT

            stats_cfg = cfg.stats
            cls.SAMPLES_PER_CLASS = cls.TESTCASE_COUNT

            cls.min_accuracy = stats_cfg.min_accuracy
            cls.min_diff = stats_cfg.min_diff

            dataset = PretrainNASBench(
                engine=api101.NASBench(cfg.dataset_path),
                model_spec=api101.ModelSpec,
                samples_per_class=cls.SAMPLES_PER_CLASS,
                max_seq_len=cfg.max_seq_len,
                graph_modify_ratio=cls.graph_modify_ratio
            )

        cls.graph_modifier = dataset.graph_modifier

        cls.testcases = []
        for _, key in enumerate(random.sample(dataset.engine.hash_iterator(), cls.TESTCASE_COUNT)):
            arch = dataset.engine.get_modelspec_by_hash(key)
            matrix, ops = arch.matrix, arch.ops
            cls.testcases.append((matrix, ops))
def get_engine_modelspec(name, path):
    if name == 'nasbench101':
        return api101.NASBench(path), api101.ModelSpec
    elif name == 'nasbench201':
        return api201.NASBench201API(path), api201.ModelSpec
    else:
        raise ValueError('Invalid name')
Example #12
0
def gen_json_file():
    nasbench = api.NASBench(NASBENCH_TFRECORD)
    nas_gen = gen_data_point(nasbench)
    data_dict = OrderedDict()
    for data_point in nas_gen:
        data_dict.update(data_point)
    with open('data/data.json', 'w') as outfile:
        json.dump(data_dict, outfile)
Example #13
0
    def __init__(self):
        if not os.path.isfile(NASBENCH_TFRECORD):
            print('Downloading NASBench-101 Data.')
            pdownload(file_url, NASBENCH_TFRECORD)
            print('Downloaded')

        self.dataset = api.NASBench(NASBENCH_TFRECORD)
        self.checked_models = {}
Example #14
0
def main(argv):
    with open(
            'C:/Users/Dawei/OneDrive/USYD-GTW/Project-NAS Bench/nasbench/printed_example/res_full.txt',
            "w+") as f:
        del argv  # Unused

        # Load the data from file (this will take some time)
        nasbench = api.NASBench(NASBENCH_TFRECORD)

        # Create an Inception-like module (5x5 convolution replaced with two 3x3
        # convolutions).
        model_spec = api.ModelSpec(
            # Adjacency matrix of the module
            matrix=[
                [0, 1, 1, 1, 0, 1, 0],  # input layer
                [0, 0, 0, 0, 0, 0, 1],  # 1x1 conv
                [0, 0, 0, 0, 0, 0, 1],  # 3x3 conv
                [0, 0, 0, 0, 1, 0, 0],  # 5x5 conv (replaced by two 3x3's)
                [0, 0, 0, 0, 0, 0, 1],  # 5x5 conv (replaced by two 3x3's)
                [0, 0, 0, 0, 0, 0, 1],  # 3x3 max-pool
                [0, 0, 0, 0, 0, 0, 0]
            ],  # output layer
            # Operations at the vertices of the module, matches order of matrix
            ops=[
                INPUT, CONV1X1, CONV3X3, CONV3X3, CONV3X3, MAXPOOL3X3, OUTPUT
            ])

        # Query this model from dataset, returns a dictionary containing the metrics
        # associated with this model.
        print('Querying an Inception-like model.', file=f)
        data = nasbench.query(model_spec)
        print(data, file=f)
        print(nasbench.get_budget_counters(),
              file=f)  # prints (total time, total epochs)

        # Get all metrics (all epoch lengths, all repeats) associated with this
        # model_spec. This should be used for dataset analysis and NOT for
        # benchmarking algorithms (does not increment budget counters).
        print('\nGetting all metrics for the same Inception-like model.',
              file=f)
        fixed_metrics, computed_metrics = nasbench.get_metrics_from_spec(
            model_spec)
        print(fixed_metrics, file=f)
        for epochs in nasbench.valid_epochs:
            for repeat_index in range(len(computed_metrics[epochs])):
                data_point = computed_metrics[epochs][repeat_index]
                print('Epochs trained %d, repeat number: %d' %
                      (epochs, repeat_index + 1),
                      file=f)
                print(data_point, file=f)

        # Iterate through unique models in the dataset. Models are unqiuely identified
        # by a hash.
        print('\nIterating over unique models in the dataset.', file=f)
        for unique_hash in nasbench.hash_iterator():
            fixed_metrics, computed_metrics = nasbench.get_metrics_from_hash(
                unique_hash)
            print(fixed_metrics, file=f)
Example #15
0
def get_dict(name,
             data_path,
             nasbench_file,
             num_samples,
             num_operations,
             val_acc_threshold=0.,
             seed=1234,
             **kwargs):

    nasbench_file_abs = os.path.join(data_path, nasbench_file)
    print(f'Loading nasbench101: {nasbench_file_abs}')
    nasbench = api.NASBench(nasbench_file_abs,
                            num_samples=num_samples,
                            seed=seed)

    archs = []
    seqs = []
    valid_accs = []
    all_keys = list(nasbench.hash_iterator())
    dataset_dicts = []

    min_val_acc = float('inf')
    max_val_acc = 0
    min_data = max_data = None
    for idx, key in enumerate(all_keys):
        fixed_stat, computed_stat = nasbench.get_metrics_from_hash(key)
        if len(fixed_stat['module_operations']) not in num_operations:
            continue

        arch = api.ModelSpec(matrix=fixed_stat['module_adjacency'],
                             ops=fixed_stat['module_operations'])
        data = nasbench.query(arch)

        if data['validation_accuracy'] < val_acc_threshold:
            continue

        if min_val_acc > data['validation_accuracy']:
            min_val_acc = data['validation_accuracy']
            min_data = data
        if max_val_acc < data['validation_accuracy']:
            max_val_acc = data['validation_accuracy']
            max_data = data

        data["id"] = idx
        dataset_dicts.append(data)

    meta_dict = {}
    meta_dict['num_samples'] = len(dataset_dicts)
    meta_dict['num_operations'] = num_operations
    meta_dict['min_val_acc'] = min_val_acc
    meta_dict['max_val_acc'] = max_val_acc
    meta_dict['min_data'] = min_data
    meta_dict['max_data'] = max_data
    print(f'min_val_acc: {min_val_acc}, max_val_acc: {max_val_acc}')
    if name not in MetadataCatalog.list():
        MetadataCatalog.get(name).set(**meta_dict)

    return dataset_dicts
Example #16
0
def load(use_pickle=True, full=False):
    fname = NASBENCH_TFRECORD_FULL if full else NASBENCH_TFRECORD_PARTIAL

    start = time.time()
    if use_pickle:

        if not os.path.isfile(fname % 'dat'):
            nasbench = api.NASBench(fname % 'tfrecord')
            pickle.dump(nasbench, open(fname % 'dat', "wb"))

        nasbench = pickle.load(open(fname % 'dat', "rb"))

    else:
        nasbench = api.NASBench(fname % 'tfrecord')

    end = time.time()
    print("Data loaded in %s seconds" % (end - start))
    return nasbench
Example #17
0
    def __init__(self, data_dir):

        self.dataset = api.NASBench(os.path.join(data_dir, 'nasbench_full.tfrecord'))
        self.X = []
        self.y_valid = []
        self.y_test = []
        self.costs = []

        self.y_star_valid = 0.04944576819737756  # lowest mean validation error
        self.y_star_test = 0.056824247042338016  # lowest mean test error
Example #18
0
    def __init__(self, path):
        super(NAS, self).__init__()

        PATH = path
        self.OPS = [
            INPUT, CONV1X1, CONV3X3, CONV3X3, CONV3X3, MAXPOOL3X3, OUTPUT
        ]

        self.nasbench = api.NASBench(PATH)
        self.size = 7
        self.var_er = None
        self.D = 21
Example #19
0
    def __init__(self,
               data_folder=default_data_folder,
               index_hash_folder='./',
               mf=False):
        self.mf = mf
        self.dataset = 'cifar10'

        """
        For NAS encodings experiments, some of the path-based encodings currently require a
        hash map from path indices to cell architectuers. We have created a pickle file which
        contains the hash map, located at 
        https://drive.google.com/file/d/1yMRFxT6u3ZyfiWUPhtQ_B9FbuGN3X-Nf/view?usp=sharing
        """
        self.index_hash = None
        index_hash_path = os.path.expanduser(index_hash_folder + 'index_hash.pkl')
        if os.path.isfile(index_hash_path):
            self.index_hash = pickle.load(open(index_hash_path, 'rb'))

        if not self.mf:
            self.nasbench = api.NASBench(os.path.expanduser(data_folder + 'nasbench_only108.tfrecord'))
        else:
            self.nasbench = api.NASBench(os.path.expanduser(data_folder + 'nasbench_full.tfrecord'))
Example #20
0
    def load(self) -> Any:
        """ Loads data from data directory as defined in config_file.data_directory"""
        self.logger.debug('NasBench101DataManager: Starting to load data')
        t = time()

        self.download()

        from nasbench import api
        data = api.NASBench(str(self.save_dir / self.fname))
        self.logger.info(
            f'NasBench101DataManager: Data successfully loaded after {time() - t:.2f}'
        )
        return data
Example #21
0
def Eval_nasbench1shot1(theta, search_space, logger):
    nasbench1shot1_path = 'benchmark/nasbench_full.tfrecord'
    nasbench = api.NASBench(nasbench1shot1_path)
    
    current_best = np.argmax(theta, axis=1)
    config = ConfigSpace.Configuration(
        search_space.search_space.get_configuration_space(), vector=current_best)
    adjacency_matrix, node_list = search_space.search_space.convert_config_to_nasbench_format(
        config)
    node_list = [INPUT, *node_list, OUTPUT] if search_space.search_space.search_space_number == 3 else [
        INPUT, *node_list, CONV1X1, OUTPUT]
    adjacency_list = adjacency_matrix.astype(np.int).tolist()
    model_spec = api.ModelSpec(matrix=adjacency_list, ops=node_list)
    nasbench_data = nasbench.query(model_spec, epochs=108)
    
    logger.info("test accuracy = {}".format(nasbench_data['test_accuracy']))
Example #22
0
 def __init__(self, records_path='../../nasbench/nasbench_full.tfrecord'):
     super().__init__()
     self.api = api.NASBench(records_path)
     self.precise_epochs = None
     self.epochs = None
     self.total_training_time = 0
     self.best_m = np.array([[0, 1, 1, 0, 0, 1, 1], [0, 0, 0, 1, 0, 0, 0],
                             [0, 0, 0, 0, 0, 1, 0], [0, 0, 0, 0, 1, 0, 0],
                             [0, 0, 0, 0, 0, 1, 0], [0, 0, 0, 0, 0, 0, 1],
                             [0, 0, 0, 0, 0, 0, 0]],
                            dtype=np.int32)
     self.best_op = [
         'input', 'conv3x3-bn-relu', 'conv1x1-bn-relu', 'maxpool3x3',
         'conv3x3-bn-relu', 'conv3x3-bn-relu', 'output'
     ]
     self.best_nasbench = ChromosomeNASBench(self.best_op, self.best_m)
     self.best_mean_acc = self.get_test_mean_acc(self.best_nasbench)
Example #23
0
def main(*args, **kwargs):
    nasbench = nasbench_api.NASBench(FLAGS.path_to_nasbench)
    module = nasbench.fixed_statistics[FLAGS.hash_key]
    spec = model_spec.ModelSpec(module['module_adjacency'], module['module_operations'])

    config = nasbench_config.build_config()
    for flag in FLAGS.flags_by_module_dict()[args[0][0]]:
        config[flag.name] = flag.value
    config['use_tpu'] = False
    config['use_KD'] = False
    config['intermediate_evaluations'] = ['1.0']

    trainset_multipier = FLAGS.trainset_part_percentage / 100.0
    config['num_train'] = int(config['num_train'] * trainset_multipier)
    config['num_train_eval'] = int(config['num_train_eval'] * trainset_multipier)
    config['num_augment'] = int(config['num_augment'] * trainset_multipier)

    logging.info("Train and evaluate with config\n{}\n and spec\n{}".format(config, spec))
    train(spec, config, FLAGS.save_path)
Example #24
0
def main():
    parser = argparse.ArgumentParser()
    parser.add_argument(
        'input_file',
        help='Path to the file to be converted, e.g., nasbench_full.tfrecord')
    args = parser.parse_args()
    nasbench = api.NASBench(args.input_file)

    db = load_benchmark('nasbench101')
    with db:
        db.create_tables(
            [Nb101TrialConfig, Nb101TrialStats, Nb101IntermediateStats])
        for hashval in tqdm(nasbench.hash_iterator(),
                            desc='Dumping data into database'):
            metadata, metrics = nasbench.get_metrics_from_hash(hashval)
            num_vertices, architecture = nasbench_format_to_architecture_repr(
                metadata['module_adjacency'], metadata['module_operations'])
            assert hashval == hash_module(architecture, num_vertices)
            for epochs in [4, 12, 36, 108]:
                trial_config = Nb101TrialConfig.create(
                    arch=architecture,
                    num_vertices=num_vertices,
                    hash=hashval,
                    num_epochs=epochs)

                for seed in range(3):
                    cur = metrics[epochs][seed]
                    trial = Nb101TrialStats.create(
                        config=trial_config,
                        train_acc=cur['final_train_accuracy'] * 100,
                        valid_acc=cur['final_validation_accuracy'] * 100,
                        test_acc=cur['final_test_accuracy'] * 100,
                        parameters=metadata['trainable_parameters'] / 1e6,
                        training_time=cur['final_training_time'] * 60)
                    for t in ['halfway', 'final']:
                        Nb101IntermediateStats.create(
                            trial=trial,
                            current_epoch=epochs //
                            2 if t == 'halfway' else epochs,
                            training_time=cur[t + '_training_time'],
                            train_acc=cur[t + '_train_accuracy'] * 100,
                            valid_acc=cur[t + '_validation_accuracy'] * 100,
                            test_acc=cur[t + '_test_accuracy'] * 100)
 def __init__(self, seed):
     # Set random seed to check reproducibility of results
     self.seed = seed
     np.random.seed(seed)
     # Load the data from file (this will take some time)
     self.nasbench = api.NASBench('./models/nasbench_only108.tfrecord',
                                  seed=seed)
     # Lines below are just to construct proper pandas column structure
     cell = self.random_cell()
     model_spec = api.ModelSpec(cell['matrix'], cell['ops'])
     data = self.nasbench.query(model_spec)
     md5hash = calculate_hash(cell)
     data.pop('module_adjacency')
     data.pop('module_operations')
     data['hash'] = md5hash
     self.df = pd.DataFrame.from_records([data], index='hash')
     self.df.drop(self.df.index, inplace=True)
     self.reset_budget(
     )  # Clear budgeting of this initial query as this was needed just to capture column names
Example #26
0
    def __init__(self,
                 search_space,
                 dataset='cifar10',
                 nasbench_folder='./',
                 loaded_nasbench=None):
        self.search_space = search_space
        self.dataset = dataset

        if loaded_nasbench:
            self.nasbench = loaded_nasbench
        elif search_space == 'nasbench':
            self.nasbench = api.NASBench(nasbench_folder +
                                         'nasbench_only108.tfrecord')
        elif search_space == 'nasbench_201':
            self.nasbench = API(
                os.path.expanduser(
                    '~/nas-bench-201/NAS-Bench-201-v1_0-e61699.pth'))
        elif search_space != 'darts':
            print(search_space, 'is not a valid search space')
            sys.exit()
Example #27
0
def get_model_info(nb101_dataset, cache_dir):
    if cache_dir is not None:
        nbmodels_cache = pathlib.Path(cache_dir) / 'nb101_models_info.pickle'
        if nbmodels_cache.exists():
            with nbmodels_cache.open('rb') as f:
                return pickle.load(f)

    if nb101_dataset:
        import nasbench.api as nbapi
        nasbench = nbapi.NASBench(nb101_dataset)
        model_info = {
            model_hash: (stats['module_adjacency'], stats['module_operations'])
            for model_hash, stats in nasbench.fixed_statistics.items()
        }
        if cache_dir is not None:
            with nbmodels_cache.open('wb') as f:
                pickle.dump(model_info, f)

        return model_info

    return None
Example #28
0
def main():
    nasbench = api.NASBench(
        '/Users/hua/Documents/datasets/nasbench_full.tfrecord')

    max_num_blocks = 5
    ops = ['conv1x1-bn-relu', 'conv3x3-bn-relu', 'maxpool3x3']
    num_ops = len(ops)
    top_k = 256

    lstm_units = 100
    embed_size = 100

    pnas = PNAS(nasbench,
                max_num_blocks,
                ops,
                top_k,
                lstm_units,
                embed_size,
                epochs=50,
                batch_size=16)

    pnas.train()

    return pnas.get_top_architectures(num_blocks=5, top_k=10)
Example #29
0
parser.add_argument('--folder',
                    default=None,
                    type=str,
                    nargs='?',
                    help='name of folder where files will be dumped')
parser.add_argument('--version',
                    default=None,
                    type=str,
                    nargs='?',
                    help='version of DEHB to run')

args = parser.parse_args()
args.verbose = True if args.verbose == 'True' else False
args.fix_seed = True if args.fix_seed == 'True' else False

nasbench = api.NASBench(args.data_dir)

if args.search_space is None:
    spaces = [1, 2, 3]
else:
    spaces = [int(args.search_space)]

for space in spaces:
    print('##### Search Space {} #####'.format(space))
    search_space = eval('SearchSpace{}()'.format(space))
    y_star_valid, y_star_test, inc_config = (search_space.valid_min_error,
                                             search_space.test_min_error, None)

    min_budget, max_budget = (4, 108)  # derived for Cifar-X from NAS-Bench-101

    # Parameter space to be used by DE
Example #30
0
    cs = b.get_configuration_space()
    dimensions = len(cs.get_hyperparameters())

elif benchmark == '1shot1':
    assert benchmark_type in ['1', '2', '3']

    sys.path.append(os.path.join(os.getcwd(), '../nasbench/'))
    sys.path.append(os.path.join(os.getcwd(), '../nasbench-1shot1/'))
    from nasbench import api
    from nasbench_analysis.search_spaces.search_space_1 import SearchSpace1
    from nasbench_analysis.search_spaces.search_space_2 import SearchSpace2
    from nasbench_analysis.search_spaces.search_space_3 import SearchSpace3

    nasbench = api.NASBench(
        os.path.join(
            os.getcwd(), "../nasbench-1shot1/nasbench_analysis/"
            "nasbench_data/108_e/"
            "nasbench_only108.tfrecord"))
    search_space = eval('SearchSpace{}()'.format(benchmark_type))

    def f(config, budget=None):
        if budget is not None:
            fitness, cost = search_space.objective_function(nasbench,
                                                            config,
                                                            budget=int(budget))
        else:
            fitness, cost = search_space.objective_function(nasbench, config)
        fitness = 1 - fitness
        return fitness, cost

    cs = search_space.get_configuration_space()