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def iou(preds, labels, C, EMPTY=1., ignore=None, per_image=False): """ Array of IoU for each (non ignored) class """ if not per_image: preds, labels = (preds,), (labels,) ious = [] for pred, label in zip(preds, labels): iou = [] for i in range(C): if i != ...
def lovasz_hinge(logits, labels, per_image=True, ignore=None): """ Binary Lovasz hinge loss logits: [B, H, W] Variable, logits at each pixel (between -\infty and +\infty) labels: [B, H, W] Tensor, binary ground truth masks (0 or 1) per_image: compute the loss per image instead of per batch ...
def lovasz_hinge_flat(logits, labels): """ Binary Lovasz hinge loss logits: [P] Variable, logits at each prediction (between -\infty and +\infty) labels: [P] Tensor, binary ground truth labels (0 or 1) ignore: label to ignore """ if len(labels) == 0: # only void pixels, the gra...
def flatten_binary_scores(scores, labels, ignore=None): """ Flattens predictions in the batch (binary case) Remove labels equal to 'ignore' """ scores = scores.view(-1) labels = labels.view(-1) if ignore is None: return scores, labels valid = (labels != ignore) vscores = scor...
def binary_xloss(logits, labels, ignore=None): """ Binary Cross entropy loss logits: [B, H, W] Variable, logits at each pixel (between -\infty and +\infty) labels: [B, H, W] Tensor, binary ground truth masks (0 or 1) ignore: void class id """ logits, labels = flatten_binary_scores(logi...
def lovasz_softmax(probas, labels, only_present=False, per_image=False, ignore=None): """ Multi-class Lovasz-Softmax loss probas: [B, C, H, W] Variable, class probabilities at each prediction (between 0 and 1) labels: [B, H, W] Tensor, ground truth labels (between 0 and C - 1) only_present: av...
def lovasz_softmax_flat(probas, labels, only_present=False): """ Multi-class Lovasz-Softmax loss probas: [P, C] Variable, class probabilities at each prediction (between 0 and 1) labels: [P] Tensor, ground truth labels (between 0 and C - 1) only_present: average only on classes present in grou...
def flatten_probas(probas, labels, ignore=None): """ Flattens predictions in the batch """ B, C, H, W = probas.size() probas = probas.permute(0, 2, 3, 1).contiguous().view(-1, C) # B * H * W, C = P, C labels = labels.view(-1) if ignore is None: return probas, labels valid = (lab...
def xloss(logits, labels, ignore=None): """ Cross entropy loss """ return F.cross_entropy(logits, Variable(labels), ignore_index=255)
def mean(l, ignore_nan=False, empty=0): """ nanmean compatible with generators. """ l = iter(l) if ignore_nan: l = ifilterfalse(np.isnan, l) try: n = 1 acc = next(l) except StopIteration: if empty == 'raise': raise ValueError('Empty mean') ...
def main_loop(args): '''main loop logic for trial keeper''' if not os.path.exists(LOG_DIR): os.makedirs(LOG_DIR) stdout_file = open(STDOUT_FULL_PATH, 'a+') stderr_file = open(STDERR_FULL_PATH, 'a+') trial_keeper_syslogger = RemoteLogger(args.nnimanager_ip, args.nnimanager_port, 'tr...
def forward(self, x): '''Channel shuffle: [N,C,H,W] -> [N,g,C/g,H,W] -> [N,C/g,g,H,w] -> [N,C,H,W]''' N,C,H,W = x.size() g = self.groups return x.view(N,g,C/g,H,W).permute(0,2,1,3,4).contiguous().view(N,C,H,W)
def load_embedding(path): ''' return embedding for a specific file by given file path. ''' EMBEDDING_DIM = 300 embedding_dict = {} with open(path, 'r', encoding='utf-8') as file: pairs = [line.strip('\r\n').split() for line in file.readlines()] for pair in pairs: if l...
def generate_predict_json(position1_result, position2_result, ids, passage_tokens): ''' Generate json by prediction. ''' predict_len = len(position1_result) logger.debug('total prediction num is %s', str(predict_len)) answers = {} for i in range(predict_len): sample_id = ids[i] ...
def generate_data(path, tokenizer, char_vcb, word_vcb, is_training=False): ''' Generate data ''' global root_path qp_pairs = data.load_from_file(path=path, is_training=is_training) tokenized_sent = 0 # qp_pairs = qp_pairs[:1000]1 for qp_pair in qp_pairs: tokenized_sent += 1 ...
def f1_score(prediction, ground_truth): ''' Calculate the f1 score. ''' prediction_tokens = normalize_answer(prediction).split() ground_truth_tokens = normalize_answer(ground_truth).split() common = Counter(prediction_tokens) & Counter(ground_truth_tokens) num_same = sum(common.values()) ...
def _evaluate(dataset, predictions): ''' Evaluate function. ''' f1_result = exact_match = total = 0 count = 0 for article in dataset: for paragraph in article['paragraphs']: for qa_pair in paragraph['qas']: total += 1 if qa_pair['id'] not in pr...
def evaluate(data_file, pred_file): ''' Evaluate. ''' expected_version = '1.1' with open(data_file) as dataset_file: dataset_json = json.load(dataset_file) if dataset_json['version'] != expected_version: print('Evaluation expects v-' + expected_version + ...
def evaluate_with_predictions(data_file, predictions): ''' Evalutate with predictions/ ''' expected_version = '1.1' with open(data_file) as dataset_file: dataset_json = json.load(dataset_file) if dataset_json['version'] != expected_version: print('Evaluation expects v-' +...
def send(command, data): """Send command to Training Service. command: CommandType object. data: string payload. """ global _lock try: _lock.acquire() data = data.encode('utf8') assert len(data) < 1000000, 'Command too long' msg = b'%b%06d%b' % (command.value, len...
def receive(): """Receive a command from Training Service. Returns a tuple of command (CommandType) and payload (str) """ header = _in_file.read(8) logging.getLogger(__name__).debug('Received command, header: [%s]' % header) if header is None or len(header) < 8: # Pipe EOF encountered ...
def json2space(in_x, name=ROOT): """ Change json to search space in hyperopt. Parameters ---------- in_x : dict/list/str/int/float The part of json. name : str name could be ROOT, TYPE, VALUE or INDEX. """ out_y = copy.deepcopy(in_x) if isinstance(in_x, dict): ...
def json2parameter(in_x, parameter, name=ROOT): """ Change json to parameters. """ out_y = copy.deepcopy(in_x) if isinstance(in_x, dict): if TYPE in in_x.keys(): _type = in_x[TYPE] name = name + '-' + _type if _type == 'choice': _index = pa...
def _add_index(in_x, parameter): """ change parameters in NNI format to parameters in hyperopt format(This function also support nested dict.). For example, receive parameters like: {'dropout_rate': 0.8, 'conv_size': 3, 'hidden_size': 512} Will change to format in hyperopt, like: {'dropo...
def _split_index(params): """ Delete index infromation from params """ if isinstance(params, list): return [params[0], _split_index(params[1])] elif isinstance(params, dict): if INDEX in params.keys(): return _split_index(params[VALUE]) result = dict() for...
def _choose_tuner(self, algorithm_name): """ Parameters ---------- algorithm_name : str algorithm_name includes "tpe", "random_search" and anneal" """ if algorithm_name == 'tpe': return hp.tpe.suggest if algorithm_name == 'random_search': ...
def update_search_space(self, search_space): """ Update search space definition in tuner by search_space in parameters. Will called when first setup experiemnt or update search space in WebUI. Parameters ---------- search_space : dict """ self.json = sea...
def generate_parameters(self, parameter_id): """ Returns a set of trial (hyper-)parameters, as a serializable object. Parameters ---------- parameter_id : int Returns ------- params : dict """ total_params = self.get_suggestion(random_sea...
def receive_trial_result(self, parameter_id, parameters, value): """ Record an observation of the objective function Parameters ---------- parameter_id : int parameters : dict value : dict/float if value is dict, it should have "default" key. ...
def miscs_update_idxs_vals(self, miscs, idxs, vals, assert_all_vals_used=True, idxs_map=None): """ Unpack the idxs-vals format into the list of dictionaries that is `misc`. Parameters ---------- idxs_map : dic...
def get_suggestion(self, random_search=False): """get suggestion from hyperopt Parameters ---------- random_search : bool flag to indicate random search or not (default: {False}) Returns ---------- total_params : dict parameter suggestion...
def import_data(self, data): """Import additional data for tuning Parameters ---------- data: a list of dictionarys, each of which has at least two keys, 'parameter' and 'value' """ _completed_num = 0 for trial_info in data: logger.info("I...
def next_hyperparameter_lowest_mu(fun_prediction, fun_prediction_args, x_bounds, x_types, minimize_starting_points, minimize_constraints_fun=None): ''' "Lowest Mu" acquisition ...
def _lowest_mu(x, fun_prediction, fun_prediction_args, x_bounds, x_types, minimize_constraints_fun): ''' Calculate the lowest mu ''' # This is only for step-wise optimization x = lib_data.match_val_type(x, x_bounds, x_types) mu = sys.maxsize if (minimize_constraints_fun is No...
def build_char_states(self, char_embed, is_training, reuse, char_ids, char_lengths): """Build char embedding network for the QA model.""" max_char_length = self.cfg.max_char_length inputs = dropout(tf.nn.embedding_lookup(char_embed, char_ids), self.cfg.dropout, is_train...
def handle_report_metric_data(self, data): """ data: a dict received from nni_manager, which contains: - 'parameter_id': id of the trial - 'value': metric value reported by nni.report_final_result() - 'type': report type, support {'FINAL', 'PERIODICAL'} ...
def handle_trial_end(self, data): """ data: it has three keys: trial_job_id, event, hyper_params - trial_job_id: the id generated by training service - event: the job's state - hyper_params: the hyperparameters generated and returned by tuner """ tr...
def _handle_final_metric_data(self, data): """Call tuner to process final results """ id_ = data['parameter_id'] value = data['value'] if id_ in _customized_parameter_ids: self.tuner.receive_customized_trial_result(id_, _trial_params[id_], value) else: ...
def _handle_intermediate_metric_data(self, data): """Call assessor to process intermediate results """ if data['type'] != 'PERIODICAL': return if self.assessor is None: return trial_job_id = data['trial_job_id'] if trial_job_id in _ended_trials: ...
def _earlystop_notify_tuner(self, data): """Send last intermediate result as final result to tuner in case the trial is early stopped. """ _logger.debug('Early stop notify tuner data: [%s]', data) data['type'] = 'FINAL' if multi_thread_enabled(): self._handle_...
def parse_rev_args(receive_msg): """ parse reveive msgs to global variable """ global trainloader global testloader global net # Loading Data logger.debug("Preparing data..") (x_train, y_train), (x_test, y_test) = fashion_mnist.load_data() y_train = to_categorical(y_train, 10) ...
def train_eval(): """ train and eval the model """ global trainloader global testloader global net (x_train, y_train) = trainloader (x_test, y_test) = testloader # train procedure net.fit( x=x_train, y=y_train, batch_size=args.batch_size, validation...
def on_epoch_end(self, epoch, logs=None): """ Run on end of each epoch """ if logs is None: logs = dict() logger.debug(logs) nni.report_intermediate_result(logs["val_acc"])
def create_bracket_parameter_id(brackets_id, brackets_curr_decay, increased_id=-1): """Create a full id for a specific bracket's hyperparameter configuration Parameters ---------- brackets_id: int brackets id brackets_curr_decay: brackets curr decay increased_id: int ...
def json2paramater(ss_spec, random_state): """Randomly generate values for hyperparameters from hyperparameter space i.e., x. Parameters ---------- ss_spec: hyperparameter space random_state: random operator to generate random values Returns ------- Parameter: ...
def get_n_r(self): """return the values of n and r for the next round""" return math.floor(self.n / self.eta**self.i + _epsilon), math.floor(self.r * self.eta**self.i + _epsilon)
def increase_i(self): """i means the ith round. Increase i by 1""" self.i += 1 if self.i > self.bracket_id: self.no_more_trial = True
def set_config_perf(self, i, parameter_id, seq, value): """update trial's latest result with its sequence number, e.g., epoch number or batch number Parameters ---------- i: int the ith round parameter_id: int the id of the trial/parameter ...
def inform_trial_end(self, i): """If the trial is finished and the corresponding round (i.e., i) has all its trials finished, it will choose the top k trials for the next round (i.e., i+1) Parameters ---------- i: int the ith round """ global _KEY # p...
def get_hyperparameter_configurations(self, num, r, searchspace_json, random_state): # pylint: disable=invalid-name """Randomly generate num hyperparameter configurations from search space Parameters ---------- num: int the number of hyperparameter configurations ...
def _record_hyper_configs(self, hyper_configs): """after generating one round of hyperconfigs, this function records the generated hyperconfigs, creates a dict to record the performance when those hyperconifgs are running, set the number of finished configs in this round to be 0, and increase th...
def _request_one_trial_job(self): """get one trial job, i.e., one hyperparameter configuration.""" if not self.generated_hyper_configs: if self.curr_s < 0: self.curr_s = self.s_max _logger.debug('create a new bracket, self.curr_s=%d', self.curr_s) self...
def handle_update_search_space(self, data): """data: JSON object, which is search space Parameters ---------- data: int number of trial jobs """ self.searchspace_json = data self.random_state = np.random.RandomState()
def handle_trial_end(self, data): """ Parameters ---------- data: dict() it has three keys: trial_job_id, event, hyper_params trial_job_id: the id generated by training service event: the job's state hyper_params: the hyperparameters (a str...
def handle_report_metric_data(self, data): """ Parameters ---------- data: it is an object which has keys 'parameter_id', 'value', 'trial_job_id', 'type', 'sequence'. Raises ------ ValueError Data type not supported """ ...
def generate_parameters(self, parameter_id): """Returns a set of trial graph config, as a serializable object. parameter_id : int """ if len(self.population) <= 0: logger.debug("the len of poplution lower than zero.") raise Exception('The population is empty') ...
def receive_trial_result(self, parameter_id, parameters, value): ''' Record an observation of the objective function parameter_id : int parameters : dict of parameters value: final metrics of the trial, including reward ''' reward = extract_scalar_reward(value) ...
def generate(self, model_len=None, model_width=None): """Generates a CNN. Args: model_len: An integer. Number of convolutional layers. model_width: An integer. Number of filters for the convolutional layers. Returns: An instance of the class Graph. Represents ...
def generate(self, model_len=None, model_width=None): """Generates a Multi-Layer Perceptron. Args: model_len: An integer. Number of hidden layers. model_width: An integer or a list of integers of length `model_len`. If it is a list, it represents the number of nod...
def generate_search_space(code_dir): """Generate search space from Python source code. Return a serializable search space object. code_dir: directory path of source files (str) """ search_space = {} if code_dir.endswith(slash): code_dir = code_dir[:-1] for subdir, _, files in o...
def expand_annotations(src_dir, dst_dir): """Expand annotations in user code. Return dst_dir if annotation detected; return src_dir if not. src_dir: directory path of user code (str) dst_dir: directory to place generated files (str) """ if src_dir[-1] == slash: src_dir = src_dir[:-1] ...
def gen_send_stdout_url(ip, port): '''Generate send stdout url''' return '{0}:{1}{2}{3}/{4}/{5}'.format(BASE_URL.format(ip), port, API_ROOT_URL, STDOUT_API, NNI_EXP_ID, NNI_TRIAL_JOB_ID)
def gen_send_version_url(ip, port): '''Generate send error url''' return '{0}:{1}{2}{3}/{4}/{5}'.format(BASE_URL.format(ip), port, API_ROOT_URL, VERSION_API, NNI_EXP_ID, NNI_TRIAL_JOB_ID)
def validate_digit(value, start, end): '''validate if a digit is valid''' if not str(value).isdigit() or int(value) < start or int(value) > end: raise ValueError('%s must be a digit from %s to %s' % (value, start, end))
def validate_dispatcher(args): '''validate if the dispatcher of the experiment supports importing data''' nni_config = Config(get_config_filename(args)).get_config('experimentConfig') if nni_config.get('tuner') and nni_config['tuner'].get('builtinTunerName'): dispatcher_name = nni_config['tuner']['b...
def load_search_space(path): '''load search space content''' content = json.dumps(get_json_content(path)) if not content: raise ValueError('searchSpace file should not be empty') return content
def update_experiment_profile(args, key, value): '''call restful server to update experiment profile''' nni_config = Config(get_config_filename(args)) rest_port = nni_config.get_config('restServerPort') running, _ = check_rest_server_quick(rest_port) if running: response = rest_get(experimen...
def import_data(args): '''import additional data to the experiment''' validate_file(args.filename) validate_dispatcher(args) content = load_search_space(args.filename) args.port = get_experiment_port(args) if args.port is not None: if import_data_to_restful_server(args, content): ...
def import_data_to_restful_server(args, content): '''call restful server to import data to the experiment''' nni_config = Config(get_config_filename(args)) rest_port = nni_config.get_config('restServerPort') running, _ = check_rest_server_quick(rest_port) if running: response = rest_post(imp...
def setType(key, type): '''check key type''' return And(type, error=SCHEMA_TYPE_ERROR % (key, type.__name__))
def setChoice(key, *args): '''check choice''' return And(lambda n: n in args, error=SCHEMA_RANGE_ERROR % (key, str(args)))
def setNumberRange(key, keyType, start, end): '''check number range''' return And( And(keyType, error=SCHEMA_TYPE_ERROR % (key, keyType.__name__)), And(lambda n: start <= n <= end, error=SCHEMA_RANGE_ERROR % (key, '(%s,%s)' % (start, end))), )
def keras_dropout(layer, rate): '''keras dropout layer. ''' from keras import layers input_dim = len(layer.input.shape) if input_dim == 2: return layers.SpatialDropout1D(rate) elif input_dim == 3: return layers.SpatialDropout2D(rate) elif input_dim == 4: return laye...
def to_real_keras_layer(layer): ''' real keras layer. ''' from keras import layers if is_layer(layer, "Dense"): return layers.Dense(layer.units, input_shape=(layer.input_units,)) if is_layer(layer, "Conv"): return layers.Conv2D( layer.filters, layer.kernel_si...
def is_layer(layer, layer_type): '''judge the layer type. Returns: boolean -- True or False ''' if layer_type == "Input": return isinstance(layer, StubInput) elif layer_type == "Conv": return isinstance(layer, StubConv) elif layer_type == "Dense": return isinstan...
def layer_description_extractor(layer, node_to_id): '''get layer description. ''' layer_input = layer.input layer_output = layer.output if layer_input is not None: if isinstance(layer_input, Iterable): layer_input = list(map(lambda x: node_to_id[x], layer_input)) else: ...
def layer_description_builder(layer_information, id_to_node): '''build layer from description. ''' # pylint: disable=W0123 layer_type = layer_information[0] layer_input_ids = layer_information[1] if isinstance(layer_input_ids, Iterable): layer_input = list(map(lambda x: id_to_node[x], l...
def layer_width(layer): '''get layer width. ''' if is_layer(layer, "Dense"): return layer.units if is_layer(layer, "Conv"): return layer.filters raise TypeError("The layer should be either Dense or Conv layer.")
def define_params(self): ''' Define parameters. ''' input_dim = self.input_dim hidden_dim = self.hidden_dim prefix = self.name self.w_matrix = tf.Variable(tf.random_normal([input_dim, 3 * hidden_dim], stddev=0.1), name='/'.join(...
def build(self, x, h, mask=None): ''' Build the GRU cell. ''' xw = tf.split(tf.matmul(x, self.w_matrix) + self.bias, 3, 1) hu = tf.split(tf.matmul(h, self.U), 3, 1) r = tf.sigmoid(xw[0] + hu[0]) z = tf.sigmoid(xw[1] + hu[1]) h1 = tf.tanh(xw[2] + r * hu[2])...
def build_sequence(self, xs, masks, init, is_left_to_right): ''' Build GRU sequence. ''' states = [] last = init if is_left_to_right: for i, xs_i in enumerate(xs): h = self.build(xs_i, last, masks[i]) states.append(h) ...
def conv2d(x_input, w_matrix): """conv2d returns a 2d convolution layer with full stride.""" return tf.nn.conv2d(x_input, w_matrix, strides=[1, 1, 1, 1], padding='SAME')
def max_pool(x_input, pool_size): """max_pool downsamples a feature map by 2X.""" return tf.nn.max_pool(x_input, ksize=[1, pool_size, pool_size, 1], strides=[1, pool_size, pool_size, 1], padding='SAME')
def main(params): ''' Main function, build mnist network, run and send result to NNI. ''' # Import data mnist = download_mnist_retry(params['data_dir']) print('Mnist download data done.') logger.debug('Mnist download data done.') # Create the model # Build the graph for the deep net...
def build_net(self, is_training): """Build the whole neural network for the QA model.""" cfg = self.cfg with tf.device('/cpu:0'): word_embed = tf.get_variable( name='word_embed', initializer=self.embed, dtype=tf.float32, trainable=False) char_embed = tf.ge...
def check_output_command(file_path, head=None, tail=None): '''call check_output command to read content from a file''' if os.path.exists(file_path): if sys.platform == 'win32': cmds = ['powershell.exe', 'type', file_path] if head: cmds += ['|', 'select', '-first',...
def kill_command(pid): '''kill command''' if sys.platform == 'win32': process = psutil.Process(pid=pid) process.send_signal(signal.CTRL_BREAK_EVENT) else: cmds = ['kill', str(pid)] call(cmds)
def install_package_command(package_name): '''install python package from pip''' #TODO refactor python logic if sys.platform == "win32": cmds = 'python -m pip install --user {0}'.format(package_name) else: cmds = 'python3 -m pip install --user {0}'.format(package_name) call(cmds, she...
def install_requirements_command(requirements_path): '''install requirements.txt''' cmds = 'cd ' + requirements_path + ' && {0} -m pip install --user -r requirements.txt' #TODO refactor python logic if sys.platform == "win32": cmds = cmds.format('python') else: cmds = cmds.format('py...
def get_params(): ''' Get parameters from command line ''' parser = argparse.ArgumentParser() parser.add_argument("--data_dir", type=str, default='/tmp/tensorflow/mnist/input_data', help="data directory") parser.add_argument("--dropout_rate", type=float, default=0.5, help="dropout rate") parser.add_...
def build_network(self): ''' Building network for mnist ''' # Reshape to use within a convolutional neural net. # Last dimension is for "features" - there is only one here, since images are # grayscale -- it would be 3 for an RGB image, 4 for RGBA, etc. with tf.n...
def get_experiment_time(port): '''get the startTime and endTime of an experiment''' response = rest_get(experiment_url(port), REST_TIME_OUT) if response and check_response(response): content = convert_time_stamp_to_date(json.loads(response.text)) return content.get('startTime'), content.get(...
def get_experiment_status(port): '''get the status of an experiment''' result, response = check_rest_server_quick(port) if result: return json.loads(response.text).get('status') return None
def update_experiment(): '''Update the experiment status in config file''' experiment_config = Experiments() experiment_dict = experiment_config.get_all_experiments() if not experiment_dict: return None for key in experiment_dict.keys(): if isinstance(experiment_dict[key], dict): ...
def check_experiment_id(args): '''check if the id is valid ''' update_experiment() experiment_config = Experiments() experiment_dict = experiment_config.get_all_experiments() if not experiment_dict: print_normal('There is no experiment running...') return None if not args.id:...
def parse_ids(args): '''Parse the arguments for nnictl stop 1.If there is an id specified, return the corresponding id 2.If there is no id specified, and there is an experiment running, return the id, or return Error 3.If the id matches an experiment, nnictl will return the id. 4.If the id ends with...
def get_config_filename(args): '''get the file name of config file''' experiment_id = check_experiment_id(args) if experiment_id is None: print_error('Please set the experiment id!') exit(1) experiment_config = Experiments() experiment_dict = experiment_config.get_all_experiments() ...
def convert_time_stamp_to_date(content): '''Convert time stamp to date time format''' start_time_stamp = content.get('startTime') end_time_stamp = content.get('endTime') if start_time_stamp: start_time = datetime.datetime.utcfromtimestamp(start_time_stamp // 1000).strftime("%Y/%m/%d %H:%M:%S") ...
def check_rest(args): '''check if restful server is running''' nni_config = Config(get_config_filename(args)) rest_port = nni_config.get_config('restServerPort') running, _ = check_rest_server_quick(rest_port) if not running: print_normal('Restful server is running...') else: pri...
def stop_experiment(args): '''Stop the experiment which is running''' experiment_id_list = parse_ids(args) if experiment_id_list: experiment_config = Experiments() experiment_dict = experiment_config.get_all_experiments() for experiment_id in experiment_id_list: print_nor...