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class InnerProductParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _INNERPRODUCTPARAMETER
class LRNParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _LRNPARAMETER
class MemoryDataParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _MEMORYDATAPARAMETER
class MVNParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _MVNPARAMETER
class PoolingParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _POOLINGPARAMETER
class PowerParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _POWERPARAMETER
class PythonParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _PYTHONPARAMETER
class ReLUParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _RELUPARAMETER
class ROIPoolingParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _ROIPOOLINGPARAMETER
class SigmoidParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _SIGMOIDPARAMETER
class SliceParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _SLICEPARAMETER
class SoftmaxParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOFTMAXPARAMETER
class TanHParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _TANHPARAMETER
class ThresholdParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _THRESHOLDPARAMETER
class WindowDataParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _WINDOWDATAPARAMETER
class V1LayerParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _V1LAYERPARAMETER
class V0LayerParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _V0LAYERPARAMETER
class PReLUParameter(_message.Message): __metaclass__ = _reflection.GeneratedProtocolMessageType DESCRIPTOR = _PRELUPARAMETER
class BlobProto(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _BLOBPROTO
class BlobProtoVector(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _BLOBPROTOVECTOR
class Datum(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _DATUM
class FillerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _FILLERPARAMETER
class LayerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _LAYERPARAMETER
class LayerConnection(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _LAYERCONNECTION
class NetParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _NETPARAMETER
class SolverParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOLVERPARAMETER
class SolverState(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOLVERSTATE
class BlobProto(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _BLOBPROTO
class BlobProtoVector(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _BLOBPROTOVECTOR
class Datum(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _DATUM
class FillerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _FILLERPARAMETER
class NetParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _NETPARAMETER
class SolverParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOLVERPARAMETER
class SolverState(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOLVERSTATE
class LayerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _LAYERPARAMETER
class ConcatParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _CONCATPARAMETER
class ConvolutionParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _CONVOLUTIONPARAMETER
class DataParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _DATAPARAMETER
class DropoutParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _DROPOUTPARAMETER
class HDF5DataParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _HDF5DATAPARAMETER
class HDF5OutputParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _HDF5OUTPUTPARAMETER
class ImageDataParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _IMAGEDATAPARAMETER
class InfogainLossParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _INFOGAINLOSSPARAMETER
class InnerProductParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _INNERPRODUCTPARAMETER
class LRNParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _LRNPARAMETER
class MemoryDataParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _MEMORYDATAPARAMETER
class PoolingParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _POOLINGPARAMETER
class PowerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _POWERPARAMETER
class WindowDataParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _WINDOWDATAPARAMETER
class V0LayerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _V0LAYERPARAMETER
class BlobProto(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _BLOBPROTO
class BlobProtoVector(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _BLOBPROTOVECTOR
class Datum(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _DATUM
class FillerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _FILLERPARAMETER
class LayerParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _LAYERPARAMETER
class LayerConnection(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _LAYERCONNECTION
class NetParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _NETPARAMETER
class SolverParameter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOLVERPARAMETER
class EvalHistoryIter(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _EVALHISTORYITER
class EvalHistory(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _EVALHISTORY
class SolverState(message.Message): __metaclass__ = reflection.GeneratedProtocolMessageType DESCRIPTOR = _SOLVERSTATE
def remove_urls(text): return URLS_RE.sub('', text)
def replace_multi_whitespaces(line): return ' '.join(line.split())
def remove_listing(line): return LISTING_RE.sub('', line)
def main(): with open(sys.argv[1], 'r') as input_file: for line in input_file: if (line is '\n'): print('') else: line = line.lower() line = remove_urls(line) line = remove_listing(line) line = replace_...
def _is_punctuation(char): 'Checks whether `chars` is a punctuation character.' cp = ord(char) if (((cp >= 33) and (cp <= 47)) or ((cp >= 58) and (cp <= 64)) or ((cp >= 91) and (cp <= 96)) or ((cp >= 123) and (cp <= 126))): return True cat = unicodedata.category(char) if cat.startswith('P'...
def _run_split_on_punc(text): 'Splits punctuation on a piece of text.' chars = list(text) i = 0 start_new_word = True output = [] while (i < len(chars)): char = chars[i] if _is_punctuation(char): output.append([char]) start_new_word = True else: ...
def replace_multi_whitespaces(line): return ' '.join(line.split())
def main(): with open(sys.argv[1], 'r') as input_file: for line in input_file: if (line is '\n'): print('') else: line = _run_split_on_punc(line) line = replace_multi_whitespaces(line) if (line is not ''): ...
class OneCycleLR(Callback): def __init__(self, max_lr, end_percentage=0.1, scale_percentage=None, maximum_momentum=0.95, minimum_momentum=0.85, verbose=True): ' This callback implements a cyclical learning rate policy (CLR).\n This is a special case of Cyclic Learning Rates, where we have only 1 c...
class LRFinder(Callback): def __init__(self, num_samples, batch_size, minimum_lr=1e-05, maximum_lr=10.0, lr_scale='exp', validation_data=None, validation_sample_rate=5, stopping_criterion_factor=4.0, loss_smoothing_beta=0.98, save_dir=None, verbose=True): "\n This class uses the Cyclic Learning Ra...
class CosineAnnealingScheduler(Callback): 'Cosine annealing scheduler.\n ' def __init__(self, T_max, eta_max, eta_min=0, verbose=0, epoch_start=80, restart_epochs=None, gamma=1, expansion=1, flat_end=False): super(CosineAnnealingScheduler, self).__init__() self.epoch_start = epoch_start ...
class CyclicLR(Callback): 'This callback implements a cyclical learning rate policy (CLR).\n The method cycles the learning rate between two boundaries with\n some constant frequency, as detailed in this paper (https://arxiv.org/abs/1506.01186).\n The amplitude of the cycle can be scaled on a per-iterati...
class LRFinder(Callback): def __init__(self, num_samples, batch_size, minimum_lr=1e-05, maximum_lr=10.0, lr_scale='exp', validation_data=None, validation_sample_rate=5, stopping_criterion_factor=4.0, loss_smoothing_beta=0.98, save_dir=None, verbose=True): "\n This class uses the Cyclic Learning Ra...
class History(object): '\n Custom class to help get log data from keras.callbacks.History objects.\n :param history: a ``keras.callbacks.History object`` or ``None``.\n ' def __init__(self, history=None): if (history is not None): self.epoch = history.epoch self.histo...
def concatenate_history(hlist, reindex_epoch=False): '\n A helper function to concatenate training history object (``keras.callbacks.History``) into a single one, with a help ``History`` class.\n :param hlist: a list of ``keras.callbacks.History`` objects to concatenate.\n :param reindex_epoch: True or F...
def plot_from_history(history): "\n Plot losses in training history.\n :param history: a ``keras.callbacks.History`` or (this module's) ``History`` object.\n " assert isinstance(history, (keras.callbacks.History, History)), "history must be a ``keras.callbacks.History`` or (this module's) ``History``...
def save_history_to_csv(history, filepath): '\n Save a training history into a csv file.\n :param history: a ``History`` callback instance from ``Model`` instance.\n :param filepath: a string filepath.\n ' hist = history.history hist['epoch'] = history.epoch df = pd.DataFrame.from_dict(his...
def reset_keras(per_process_gpu_memory_fraction=1.0): "\n Reset Keras session and set GPU configuration as well as collect unused memory.\n This is adapted from [jaycangel's post on fastai forum](https://forums.fast.ai/t/how-could-i-release-gpu-memory-of-keras/2023/18).\n Calling this before any training...
def cuda_release_memory(): "\n Force cuda to release GPU memory by closing it.\n :return cuda: numba's cuda module.\n " spec = importlib.util.find_spec('numba') if (spec is None): raise Exception("numba module cannot be found. Can't function before numba module is installed.") else: ...
def moving_window_avg(x, window=5): '\n Return a moving-window average.\n :param x: a numpy array\n :param window: an integer, number of data points for window size.\n ' return pd.DataFrame(x).rolling(window=window, min_periods=1).mean().values.squeeze()
def set_momentum(optimizer, mom_val): '\n Helper to set momentum of Keras optimizers.\n :param optimizer: Keras optimizer\n :param mom_val: value of momentum.\n ' keys = dir(optimizer) if ('momentum' in keys): K.set_value(optimizer.momentum, mom_val) if ('rho' in keys): K.s...
def set_lr(optimizer, lr): '\n Helper to set learning rate of Keras optimizers.\n :param optimizer: Keras optimizer\n :param lr: value of learning rate.\n ' K.set_value(optimizer.lr, lr)
def dot_product(x, kernel): return tf.tensordot(x, kernel, axes=1)
class Attention(Layer): def __init__(self, W_regularizer=None, b_regularizer=None, W_constraint=None, b_constraint=None, bias=True, return_attention=False, **kwargs): '\n Keras Layer that implements an Attention mechanism for temporal data.\n Supports Masking.\n Follows the work of R...
class LayerNormalization(Layer): '\n Implementation of Layer Normalization (https://arxiv.org/abs/1607.06450).\n "Unlike batch normalization, layer normalization performs exactly\n the same computation at training and test times."\n ' def __init__(self, axis=(- 1), **kwargs): self.axis = ...
class FocalLoss(tf.keras.losses.Loss): def __init__(self, gamma=2.0, alpha=4.0, reduction=tf.keras.losses.Reduction.AUTO, name='focal_loss'): 'Focal loss for multi-classification\n FL(p_t)=-alpha(1-p_t)^{gamma}ln(p_t)\n Notice: y_pred is probability after softmax\n gradient is d(Fl)/...
class LDAMLoss(tf.keras.losses.Loss): def __init__(self, cls_num_list, max_m=0.5, weight=None, s=30, reduction=tf.keras.loses.Reduction.AUTO, name='LDAM'): super().__init__(reduction=reduction, name=name) m_list = (1.0 / np.sqrt(np.sqrt(cls_num_list))) m_list *= max_m(m_list.max()) ...
class Lookahead(tf.keras.optimizers.Optimizer): 'This class allows to extend optimizers with the lookahead mechanism.\n The mechanism is proposed by Michael R. Zhang et.al in the paper\n [Lookahead Optimizer: k steps forward, 1 step back]\n (https://arxiv.org/abs/1907.08610v1). The optimizer iteratively ...
class NovoGrad(tf.keras.optimizers.Optimizer): 'The NovoGrad Optimizer was first proposed in [Stochastic Gradient\n Methods with Layerwise Adaptvie Moments for training of Deep\n Networks](https://arxiv.org/pdf/1905.11286.pdf)\n NovoGrad is a first-order SGD-based algorithm, which computes second\n mo...
def Ranger(sync_period=6, slow_step_size=0.5, learning_rate=0.001, beta_1=0.9, beta_2=0.999, epsilon=1e-07, weight_decay=0.0, amsgrad=False, sma_threshold=5.0, total_steps=0, warmup_proportion=0.1, min_lr=0.0, name='Ranger'): '\n function returning a tf.keras.optimizers.Optimizer object\n returned o...
class RectifiedAdam(tf.keras.optimizers.Optimizer): 'Variant of the Adam optimizer whose adaptive learning rate is rectified\n so as to have a consistent variance.\n It implements the Rectified Adam (a.k.a. RAdam) proposed by\n Liyuan Liu et al. in [On The Variance Of The Adaptive Learning Rate\n And ...
class rec_optimizer(Optimizer): def __init__(self, layers=2, nodes=20): pass
def _solve(a, b, c): 'Return solution of a quadratic minimization.\n The optimization equation is:\n f(a, b, c) = argmin_w{1/2 * a * w^2 + b * w + c * |w|}\n we get optimal solution w*:\n w* = -(b - sign(b)*c)/a if |b| > c else w* = 0\n REQUIRES: Dimensionality of a and b must be same\n ...
class Yogi(tf.keras.optimizers.Optimizer): 'Optimizer that implements the Yogi algorithm in Keras.\n See Algorithm 2 of\n https://papers.nips.cc/paper/8186-adaptive-methods-for-nonconvex-optimization.pdf.\n ' @typechecked def __init__(self, learning_rate: Union[(FloatTensorLike, Callable)]=0.01,...
def attention_simple(inputs, timesteps): input_dim = int(inputs.shape[(- 1)]) a = Permute((2, 1), name='transpose')(inputs) a = Dense(timesteps, activation='softmax', name='attention_probs')(a) a_probs = Permute((2, 1), name='attention_vec')(a) output_attention_mul = Multiply(name='focused_attenti...
def dense_model(timesteps, n_class, n_features, classifier_architecture, dropout): inputs = Input((timesteps, n_features)) x = Dense(128, activation=Mish())(inputs) x = LayerNormalization()(x) (x, a) = attention_simple(x, timesteps) for (d, dr) in zip(classifier_architecture, dropout): x =...
class LogAudioCallback(Callback): 'Log audio samples to Weights & Biases.' model: pl.LightningModule stored_forward: MethodType def __init__(self, on_train: bool, on_val: bool, on_test: bool, save_audio_sr: int=48000, n_batches: int=1, log_on_epoch_end: bool=False, max_audio_samples: int=8): ...
class CleanWandbCacheCallback(pl.Callback): def __init__(self, every_n_epochs: int=1, max_size_in_gb: float=1.0): self.every_n_epochs = every_n_epochs self.gb_str = f'{max_size_in_gb}GB' def on_train_epoch_end(self, trainer: 'pl.Trainer', pl_module: 'pl.LightningModule') -> None: if ...
class SaveConfigCallbackWanb(SaveConfigCallback): "\n Custom callback to move the config file saved by LightningCLI to the\n experiment directory created by WandbLogger. This has a few benefits:\n 1. The config file is saved in the same directory as the other files created\n by wandb, so it's eas...