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dmlc/gluon-nlp | scripts/sentiment_analysis/sentiment_analysis_cnn.py | train | def train(net, train_data, test_data):
"""Train textCNN model for sentiment analysis."""
start_pipeline_time = time.time()
net, trainer = text_cnn.init(net, vocab, args.model_mode, context, args.lr)
random.shuffle(train_data)
sp = int(len(train_data)*0.9)
train_dataloader = DataLoader(dataset=tr... | python | def train(net, train_data, test_data):
"""Train textCNN model for sentiment analysis."""
start_pipeline_time = time.time()
net, trainer = text_cnn.init(net, vocab, args.model_mode, context, args.lr)
random.shuffle(train_data)
sp = int(len(train_data)*0.9)
train_dataloader = DataLoader(dataset=tr... | [
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dmlc/gluon-nlp | scripts/bert/embedding.py | BertEmbedding.embedding | def embedding(self, sentences, oov_way='avg'):
"""
Get tokens, tokens embedding
Parameters
----------
sentences : List[str]
sentences for encoding.
oov_way : str, default avg.
use **avg**, **sum** or **last** to get token embedding for those out o... | python | def embedding(self, sentences, oov_way='avg'):
"""
Get tokens, tokens embedding
Parameters
----------
sentences : List[str]
sentences for encoding.
oov_way : str, default avg.
use **avg**, **sum** or **last** to get token embedding for those out o... | [
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sentences for encoding.
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dmlc/gluon-nlp | scripts/bert/embedding.py | BertEmbedding.data_loader | def data_loader(self, sentences, shuffle=False):
"""Load, tokenize and prepare the input sentences."""
dataset = BertEmbeddingDataset(sentences, self.transform)
return DataLoader(dataset=dataset, batch_size=self.batch_size, shuffle=shuffle) | python | def data_loader(self, sentences, shuffle=False):
"""Load, tokenize and prepare the input sentences."""
dataset = BertEmbeddingDataset(sentences, self.transform)
return DataLoader(dataset=dataset, batch_size=self.batch_size, shuffle=shuffle) | [
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dmlc/gluon-nlp | scripts/bert/embedding.py | BertEmbedding.oov | def oov(self, batches, oov_way='avg'):
"""
How to handle oov. Also filter out [CLS], [SEP] tokens.
Parameters
----------
batches : List[(tokens_id,
sequence_outputs,
pooled_output].
batch token_ids (max_seq_length, ),... | python | def oov(self, batches, oov_way='avg'):
"""
How to handle oov. Also filter out [CLS], [SEP] tokens.
Parameters
----------
batches : List[(tokens_id,
sequence_outputs,
pooled_output].
batch token_ids (max_seq_length, ),... | [
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | get_bert_model | def get_bert_model(model_name=None, dataset_name=None, vocab=None,
pretrained=True, ctx=mx.cpu(),
use_pooler=True, use_decoder=True, use_classifier=True,
output_attention=False, output_all_encodings=False,
root=os.path.join(get_home_dir(), 'mod... | python | def get_bert_model(model_name=None, dataset_name=None, vocab=None,
pretrained=True, ctx=mx.cpu(),
use_pooler=True, use_decoder=True, use_classifier=True,
output_attention=False, output_all_encodings=False,
root=os.path.join(get_home_dir(), 'mod... | [
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Parameters
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model_name : str or None, default None
Options include 'bert_24_1024_16' and 'bert_12_768_12'.
dataset_name : str or None, default None
Options include 'book_corpus_wiki_en_cased', 'book_corpus_wiki_en_uncased'
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTLayerNorm.hybrid_forward | def hybrid_forward(self, F, data, gamma, beta):
"""forward computation."""
# TODO(haibin): LayerNorm does not support fp16 safe reduction. Issue is tracked at:
# https://github.com/apache/incubator-mxnet/issues/14073
if self._dtype:
data = data.astype('float32')
g... | python | def hybrid_forward(self, F, data, gamma, beta):
"""forward computation."""
# TODO(haibin): LayerNorm does not support fp16 safe reduction. Issue is tracked at:
# https://github.com/apache/incubator-mxnet/issues/14073
if self._dtype:
data = data.astype('float32')
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTModel._get_classifier | def _get_classifier(self, prefix):
""" Construct a decoder for the next sentence prediction task """
with self.name_scope():
classifier = nn.Dense(2, prefix=prefix)
return classifier | python | def _get_classifier(self, prefix):
""" Construct a decoder for the next sentence prediction task """
with self.name_scope():
classifier = nn.Dense(2, prefix=prefix)
return classifier | [
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTModel._get_decoder | def _get_decoder(self, units, vocab_size, embed, prefix):
""" Construct a decoder for the masked language model task """
with self.name_scope():
decoder = nn.HybridSequential(prefix=prefix)
decoder.add(nn.Dense(units, flatten=False))
decoder.add(GELU())
de... | python | def _get_decoder(self, units, vocab_size, embed, prefix):
""" Construct a decoder for the masked language model task """
with self.name_scope():
decoder = nn.HybridSequential(prefix=prefix)
decoder.add(nn.Dense(units, flatten=False))
decoder.add(GELU())
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTModel._get_embed | def _get_embed(self, embed, vocab_size, embed_size, initializer, dropout, prefix):
""" Construct an embedding block. """
if embed is None:
assert embed_size is not None, '"embed_size" cannot be None if "word_embed" or ' \
'token_type_embed is not gi... | python | def _get_embed(self, embed, vocab_size, embed_size, initializer, dropout, prefix):
""" Construct an embedding block. """
if embed is None:
assert embed_size is not None, '"embed_size" cannot be None if "word_embed" or ' \
'token_type_embed is not gi... | [
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTModel._get_pooler | def _get_pooler(self, units, prefix):
""" Construct pooler.
The pooler slices and projects the hidden output of first token
in the sequence for segment level classification.
"""
with self.name_scope():
pooler = nn.Dense(units=units, flatten=False, activation='tanh',... | python | def _get_pooler(self, units, prefix):
""" Construct pooler.
The pooler slices and projects the hidden output of first token
in the sequence for segment level classification.
"""
with self.name_scope():
pooler = nn.Dense(units=units, flatten=False, activation='tanh',... | [
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTModel._encode_sequence | def _encode_sequence(self, inputs, token_types, valid_length=None):
"""Generate the representation given the input sequences.
This is used for pre-training or fine-tuning a BERT model.
"""
# embedding
word_embedding = self.word_embed(inputs)
type_embedding = self.token_t... | python | def _encode_sequence(self, inputs, token_types, valid_length=None):
"""Generate the representation given the input sequences.
This is used for pre-training or fine-tuning a BERT model.
"""
# embedding
word_embedding = self.word_embed(inputs)
type_embedding = self.token_t... | [
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dmlc/gluon-nlp | src/gluonnlp/model/bert.py | BERTModel._decode | def _decode(self, sequence, masked_positions):
"""Generate unnormalized prediction for the masked language model task.
This is only used for pre-training the BERT model.
Inputs:
- **sequence**: input tensor of sequence encodings.
Shape (batch_size, seq_length, units).... | python | def _decode(self, sequence, masked_positions):
"""Generate unnormalized prediction for the masked language model task.
This is only used for pre-training the BERT model.
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- **sequence**: input tensor of sequence encodings.
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _ngrams | def _ngrams(segment, n):
"""Extracts n-grams from an input segment.
Parameters
----------
segment: list
Text segment from which n-grams will be extracted.
n: int
Order of n-gram.
Returns
-------
ngram_counts: Counter
Contain all the nth n-grams in segment with a... | python | def _ngrams(segment, n):
"""Extracts n-grams from an input segment.
Parameters
----------
segment: list
Text segment from which n-grams will be extracted.
n: int
Order of n-gram.
Returns
-------
ngram_counts: Counter
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _bpe_to_words | def _bpe_to_words(sentence, delimiter='@@'):
"""Convert a sequence of bpe words into sentence."""
words = []
word = ''
delimiter_len = len(delimiter)
for subwords in sentence:
if len(subwords) >= delimiter_len and subwords[-delimiter_len:] == delimiter:
word += subwords[:-delimit... | python | def _bpe_to_words(sentence, delimiter='@@'):
"""Convert a sequence of bpe words into sentence."""
words = []
word = ''
delimiter_len = len(delimiter)
for subwords in sentence:
if len(subwords) >= delimiter_len and subwords[-delimiter_len:] == delimiter:
word += subwords[:-delimit... | [
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _tokenize_mteval_13a | def _tokenize_mteval_13a(segment):
r"""
Tokenizes a string following the tokenizer in mteval-v13a.pl.
See https://github.com/moses-smt/mosesdecoder/"
"blob/master/scripts/generic/mteval-v14.pl#L917-L942
Parameters
----------
segment: str
A string to be tokenized
Returns
... | python | def _tokenize_mteval_13a(segment):
r"""
Tokenizes a string following the tokenizer in mteval-v13a.pl.
See https://github.com/moses-smt/mosesdecoder/"
"blob/master/scripts/generic/mteval-v14.pl#L917-L942
Parameters
----------
segment: str
A string to be tokenized
Returns
... | [
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _tokenize_mteval_v14_intl | def _tokenize_mteval_v14_intl(segment):
r"""Tokenize a string following following the international tokenizer in mteval-v14a.pl.
See https://github.com/moses-smt/mosesdecoder/"
"blob/master/scripts/generic/mteval-v14.pl#L954-L983
Parameters
----------
segment: str
A string to be ... | python | def _tokenize_mteval_v14_intl(segment):
r"""Tokenize a string following following the international tokenizer in mteval-v14a.pl.
See https://github.com/moses-smt/mosesdecoder/"
"blob/master/scripts/generic/mteval-v14.pl#L954-L983
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----------
segment: str
A string to be ... | [
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | compute_bleu | def compute_bleu(reference_corpus_list, translation_corpus, tokenized=True,
tokenizer='13a', max_n=4, smooth=False, lower_case=False,
bpe=False, split_compound_word=False):
r"""Compute bleu score of translation against references.
Parameters
----------
reference_corpus... | python | def compute_bleu(reference_corpus_list, translation_corpus, tokenized=True,
tokenizer='13a', max_n=4, smooth=False, lower_case=False,
bpe=False, split_compound_word=False):
r"""Compute bleu score of translation against references.
Parameters
----------
reference_corpus... | [
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _compute_precision | def _compute_precision(references, translation, n):
"""Compute ngram precision.
Parameters
----------
references: list(list(str))
A list of references.
translation: list(str)
A translation.
n: int
Order of n-gram.
Returns
-------
matches: int
Number ... | python | def _compute_precision(references, translation, n):
"""Compute ngram precision.
Parameters
----------
references: list(list(str))
A list of references.
translation: list(str)
A translation.
n: int
Order of n-gram.
Returns
-------
matches: int
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _brevity_penalty | def _brevity_penalty(ref_length, trans_length):
"""Calculate brevity penalty.
Parameters
----------
ref_length: int
Sum of all closest references'lengths for every translations in a corpus
trans_length: int
Sum of all translations's lengths in a corpus.
Returns
-------
... | python | def _brevity_penalty(ref_length, trans_length):
"""Calculate brevity penalty.
Parameters
----------
ref_length: int
Sum of all closest references'lengths for every translations in a corpus
trans_length: int
Sum of all translations's lengths in a corpus.
Returns
-------
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _closest_ref_length | def _closest_ref_length(references, trans_length):
"""Find the reference that has the closest length to the translation.
Parameters
----------
references: list(list(str))
A list of references.
trans_length: int
Length of the translation.
Returns
-------
closest_ref_len:... | python | def _closest_ref_length(references, trans_length):
"""Find the reference that has the closest length to the translation.
Parameters
----------
references: list(list(str))
A list of references.
trans_length: int
Length of the translation.
Returns
-------
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dmlc/gluon-nlp | scripts/machine_translation/bleu.py | _smoothing | def _smoothing(precision_fractions, c=1):
"""Compute the smoothed precision for all the orders.
Parameters
----------
precision_fractions: list(tuple)
Contain a list of (precision_numerator, precision_denominator) pairs
c: int, default 1
Smoothing constant to use
Returns
--... | python | def _smoothing(precision_fractions, c=1):
"""Compute the smoothed precision for all the orders.
Parameters
----------
precision_fractions: list(tuple)
Contain a list of (precision_numerator, precision_denominator) pairs
c: int, default 1
Smoothing constant to use
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dmlc/gluon-nlp | scripts/language_model/sampler.py | LogUniformSampler.forward | def forward(self, true_classes):
"""Draw samples from log uniform distribution and returns sampled candidates,
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Parameters
----------
true_classes: NDArray
The true classes.
Returns
-------
... | python | def forward(self, true_classes):
"""Draw samples from log uniform distribution and returns sampled candidates,
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Parameters
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true_classes: NDArray
The true classes.
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | preprocess_dataset | def preprocess_dataset(data, min_freq=5, max_vocab_size=None):
"""Dataset preprocessing helper.
Parameters
----------
data : mx.data.Dataset
Input Dataset. For example gluonnlp.data.Text8 or gluonnlp.data.Fil9
min_freq : int, default 5
Minimum token frequency for a token to be inclu... | python | def preprocess_dataset(data, min_freq=5, max_vocab_size=None):
"""Dataset preprocessing helper.
Parameters
----------
data : mx.data.Dataset
Input Dataset. For example gluonnlp.data.Text8 or gluonnlp.data.Fil9
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | wiki | def wiki(wiki_root, wiki_date, wiki_language, max_vocab_size=None):
"""Wikipedia dump helper.
Parameters
----------
wiki_root : str
Parameter for WikiDumpStream
wiki_date : str
Parameter for WikiDumpStream
wiki_language : str
Parameter for WikiDumpStream
max_vocab_si... | python | def wiki(wiki_root, wiki_date, wiki_language, max_vocab_size=None):
"""Wikipedia dump helper.
Parameters
----------
wiki_root : str
Parameter for WikiDumpStream
wiki_date : str
Parameter for WikiDumpStream
wiki_language : str
Parameter for WikiDumpStream
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | transform_data_fasttext | def transform_data_fasttext(data, vocab, idx_to_counts, cbow, ngram_buckets,
ngrams, batch_size, window_size,
frequent_token_subsampling=1E-4, dtype='float32',
index_dtype='int64'):
"""Transform a DataStream of coded DataSets to a D... | python | def transform_data_fasttext(data, vocab, idx_to_counts, cbow, ngram_buckets,
ngrams, batch_size, window_size,
frequent_token_subsampling=1E-4, dtype='float32',
index_dtype='int64'):
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | transform_data_word2vec | def transform_data_word2vec(data, vocab, idx_to_counts, cbow, batch_size,
window_size, frequent_token_subsampling=1E-4,
dtype='float32', index_dtype='int64'):
"""Transform a DataStream of coded DataSets to a DataStream of batches.
Parameters
---------... | python | def transform_data_word2vec(data, vocab, idx_to_counts, cbow, batch_size,
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dtype='float32', index_dtype='int64'):
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | cbow_fasttext_batch | def cbow_fasttext_batch(centers, contexts, num_tokens, subword_lookup, dtype,
index_dtype):
"""Create a batch for CBOW training objective with subwords."""
_, contexts_row, contexts_col = contexts
data, row, col = subword_lookup(contexts_row, contexts_col)
centers = mx.nd.array(c... | python | def cbow_fasttext_batch(centers, contexts, num_tokens, subword_lookup, dtype,
index_dtype):
"""Create a batch for CBOW training objective with subwords."""
_, contexts_row, contexts_col = contexts
data, row, col = subword_lookup(contexts_row, contexts_col)
centers = mx.nd.array(c... | [
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | skipgram_fasttext_batch | def skipgram_fasttext_batch(centers, contexts, num_tokens, subword_lookup,
dtype, index_dtype):
"""Create a batch for SG training objective with subwords."""
contexts = mx.nd.array(contexts[2], dtype=index_dtype)
data, row, col = subword_lookup(centers)
centers = mx.nd.array(... | python | def skipgram_fasttext_batch(centers, contexts, num_tokens, subword_lookup,
dtype, index_dtype):
"""Create a batch for SG training objective with subwords."""
contexts = mx.nd.array(contexts[2], dtype=index_dtype)
data, row, col = subword_lookup(centers)
centers = mx.nd.array(... | [
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | cbow_batch | def cbow_batch(centers, contexts, num_tokens, dtype, index_dtype):
"""Create a batch for CBOW training objective."""
contexts_data, contexts_row, contexts_col = contexts
centers = mx.nd.array(centers, dtype=index_dtype)
contexts = mx.nd.sparse.csr_matrix(
(contexts_data, (contexts_row, contexts_... | python | def cbow_batch(centers, contexts, num_tokens, dtype, index_dtype):
"""Create a batch for CBOW training objective."""
contexts_data, contexts_row, contexts_col = contexts
centers = mx.nd.array(centers, dtype=index_dtype)
contexts = mx.nd.sparse.csr_matrix(
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | skipgram_batch | def skipgram_batch(centers, contexts, num_tokens, dtype, index_dtype):
"""Create a batch for SG training objective."""
contexts = mx.nd.array(contexts[2], dtype=index_dtype)
indptr = mx.nd.arange(len(centers) + 1)
centers = mx.nd.array(centers, dtype=index_dtype)
centers_csr = mx.nd.sparse.csr_matri... | python | def skipgram_batch(centers, contexts, num_tokens, dtype, index_dtype):
"""Create a batch for SG training objective."""
contexts = mx.nd.array(contexts[2], dtype=index_dtype)
indptr = mx.nd.arange(len(centers) + 1)
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | skipgram_lookup | def skipgram_lookup(indices, subwordidxs, subwordidxsptr, offset=0):
"""Get a sparse COO array of words and subwords for SkipGram.
Parameters
----------
indices : numpy.ndarray
Array containing numbers in [0, vocabulary_size). The element at
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"""Get a sparse COO array of words and subwords for SkipGram.
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dmlc/gluon-nlp | scripts/word_embeddings/data.py | cbow_lookup | def cbow_lookup(context_row, context_col, subwordidxs, subwordidxsptr,
offset=0):
"""Get a sparse COO array of words and subwords for CBOW.
Parameters
----------
context_row : numpy.ndarray of dtype int64
Array of same length as context_col containing numbers in [0,
batc... | python | def cbow_lookup(context_row, context_col, subwordidxs, subwordidxsptr,
offset=0):
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Parameters
----------
context_row : numpy.ndarray of dtype int64
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dmlc/gluon-nlp | src/gluonnlp/data/translation.py | _TranslationDataset.src_vocab | def src_vocab(self):
"""Source Vocabulary of the Dataset.
Returns
-------
src_vocab : Vocab
Source vocabulary.
"""
if self._src_vocab is None:
src_vocab_file_name, src_vocab_hash = \
self._data_file[self._pair_key]['vocab' + '_' + ... | python | def src_vocab(self):
"""Source Vocabulary of the Dataset.
Returns
-------
src_vocab : Vocab
Source vocabulary.
"""
if self._src_vocab is None:
src_vocab_file_name, src_vocab_hash = \
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dmlc/gluon-nlp | src/gluonnlp/data/translation.py | _TranslationDataset.tgt_vocab | def tgt_vocab(self):
"""Target Vocabulary of the Dataset.
Returns
-------
tgt_vocab : Vocab
Target vocabulary.
"""
if self._tgt_vocab is None:
tgt_vocab_file_name, tgt_vocab_hash = \
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"""Target Vocabulary of the Dataset.
Returns
-------
tgt_vocab : Vocab
Target vocabulary.
"""
if self._tgt_vocab is None:
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dmlc/gluon-nlp | scripts/machine_translation/train_gnmt.py | evaluate | def evaluate(data_loader):
"""Evaluate given the data loader
Parameters
----------
data_loader : DataLoader
Returns
-------
avg_loss : float
Average loss
real_translation_out : list of list of str
The translation output
"""
translation_out = []
all_inst_ids ... | python | def evaluate(data_loader):
"""Evaluate given the data loader
Parameters
----------
data_loader : DataLoader
Returns
-------
avg_loss : float
Average loss
real_translation_out : list of list of str
The translation output
"""
translation_out = []
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dmlc/gluon-nlp | scripts/machine_translation/train_gnmt.py | train | def train():
"""Training function."""
trainer = gluon.Trainer(model.collect_params(), args.optimizer, {'learning_rate': args.lr})
train_data_loader, val_data_loader, test_data_loader \
= dataprocessor.make_dataloader(data_train, data_val, data_test, args)
best_valid_bleu = 0.0
for epoch_id... | python | def train():
"""Training function."""
trainer = gluon.Trainer(model.collect_params(), args.optimizer, {'learning_rate': args.lr})
train_data_loader, val_data_loader, test_data_loader \
= dataprocessor.make_dataloader(data_train, data_val, data_test, args)
best_valid_bleu = 0.0
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dmlc/gluon-nlp | src/gluonnlp/model/train/__init__.py | get_cache_model | def get_cache_model(name, dataset_name='wikitext-2', window=2000,
theta=0.6, lambdas=0.2, ctx=mx.cpu(), **kwargs):
r"""Returns a cache model using a pre-trained language model.
We implement the neural cache language model proposed in the following work::
@article{grave2016improving... | python | def get_cache_model(name, dataset_name='wikitext-2', window=2000,
theta=0.6, lambdas=0.2, ctx=mx.cpu(), **kwargs):
r"""Returns a cache model using a pre-trained language model.
We implement the neural cache language model proposed in the following work::
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dmlc/gluon-nlp | scripts/word_embeddings/train_sg_cbow.py | train | def train(args):
"""Training helper."""
if not args.model.lower() in ['cbow', 'skipgram']:
logging.error('Unsupported model %s.', args.model)
sys.exit(1)
if args.data.lower() == 'toy':
data = mx.gluon.data.SimpleDataset(nlp.data.Text8(segment='train')[:2])
data, vocab, idx_t... | python | def train(args):
"""Training helper."""
if not args.model.lower() in ['cbow', 'skipgram']:
logging.error('Unsupported model %s.', args.model)
sys.exit(1)
if args.data.lower() == 'toy':
data = mx.gluon.data.SimpleDataset(nlp.data.Text8(segment='train')[:2])
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dmlc/gluon-nlp | scripts/word_embeddings/train_sg_cbow.py | evaluate | def evaluate(args, embedding, vocab, global_step, eval_analogy=False):
"""Evaluation helper"""
if 'eval_tokens' not in globals():
global eval_tokens
eval_tokens_set = evaluation.get_tokens_in_evaluation_datasets(args)
if not args.no_eval_analogy:
eval_tokens_set.update(vocab... | python | def evaluate(args, embedding, vocab, global_step, eval_analogy=False):
"""Evaluation helper"""
if 'eval_tokens' not in globals():
global eval_tokens
eval_tokens_set = evaluation.get_tokens_in_evaluation_datasets(args)
if not args.no_eval_analogy:
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dmlc/gluon-nlp | src/gluonnlp/data/dataset.py | NumpyDataset.get_field | def get_field(self, field):
"""Return the dataset corresponds to the provided key.
Example::
a = np.ones((2,2))
b = np.zeros((2,2))
np.savez('data.npz', a=a, b=b)
dataset = NumpyDataset('data.npz')
data_a = dataset.get_field('a')
d... | python | def get_field(self, field):
"""Return the dataset corresponds to the provided key.
Example::
a = np.ones((2,2))
b = np.zeros((2,2))
np.savez('data.npz', a=a, b=b)
dataset = NumpyDataset('data.npz')
data_a = dataset.get_field('a')
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dmlc/gluon-nlp | scripts/bert/bert_qa_evaluate.py | get_final_text | def get_final_text(pred_text, orig_text, tokenizer):
"""Project the tokenized prediction back to the original text."""
# When we created the data, we kept track of the alignment between original
# (whitespace tokenized) tokens and our WordPiece tokenized tokens. So
# now `orig_text` contains the span o... | python | def get_final_text(pred_text, orig_text, tokenizer):
"""Project the tokenized prediction back to the original text."""
# When we created the data, we kept track of the alignment between original
# (whitespace tokenized) tokens and our WordPiece tokenized tokens. So
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dmlc/gluon-nlp | scripts/bert/bert_qa_evaluate.py | predictions | def predictions(dev_dataset,
all_results,
tokenizer,
max_answer_length=64,
null_score_diff_threshold=0.0,
n_best_size=10,
version_2=False):
"""Get prediction results
Parameters
----------
dev_dataset: datase... | python | def predictions(dev_dataset,
all_results,
tokenizer,
max_answer_length=64,
null_score_diff_threshold=0.0,
n_best_size=10,
version_2=False):
"""Get prediction results
Parameters
----------
dev_dataset: datase... | [
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dmlc/gluon-nlp | scripts/bert/bert_qa_evaluate.py | get_F1_EM | def get_F1_EM(dataset, predict_data):
"""Calculate the F1 and EM scores of the predicted results.
Use only with the SQuAD1.1 dataset.
Parameters
----------
dataset_file: string
Path to the data file.
predict_data: dict
All final predictions.
Returns
-------
scores: ... | python | def get_F1_EM(dataset, predict_data):
"""Calculate the F1 and EM scores of the predicted results.
Use only with the SQuAD1.1 dataset.
Parameters
----------
dataset_file: string
Path to the data file.
predict_data: dict
All final predictions.
Returns
-------
scores: ... | [
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predict_data: dict
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dmlc/gluon-nlp | scripts/bert/finetune_classifier.py | preprocess_data | def preprocess_data(tokenizer, task, batch_size, dev_batch_size, max_len, pad=False):
"""Data preparation function."""
# transformation
trans = BERTDatasetTransform(
tokenizer,
max_len,
labels=task.get_labels(),
pad=pad,
pair=task.is_pair,
label_dtype='float32... | python | def preprocess_data(tokenizer, task, batch_size, dev_batch_size, max_len, pad=False):
"""Data preparation function."""
# transformation
trans = BERTDatasetTransform(
tokenizer,
max_len,
labels=task.get_labels(),
pad=pad,
pair=task.is_pair,
label_dtype='float32... | [
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dmlc/gluon-nlp | scripts/bert/finetune_classifier.py | evaluate | def evaluate(dataloader_eval, metric):
"""Evaluate the model on validation dataset.
"""
metric.reset()
for _, seqs in enumerate(dataloader_eval):
input_ids, valid_len, type_ids, label = seqs
out = model(
input_ids.as_in_context(ctx), type_ids.as_in_context(ctx),
v... | python | def evaluate(dataloader_eval, metric):
"""Evaluate the model on validation dataset.
"""
metric.reset()
for _, seqs in enumerate(dataloader_eval):
input_ids, valid_len, type_ids, label = seqs
out = model(
input_ids.as_in_context(ctx), type_ids.as_in_context(ctx),
v... | [
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dmlc/gluon-nlp | scripts/bert/finetune_classifier.py | log_train | def log_train(batch_id, batch_num, metric, step_loss, log_interval, epoch_id, learning_rate):
"""Generate and print out the log message for training.
"""
metric_nm, metric_val = metric.get()
if not isinstance(metric_nm, list):
metric_nm = [metric_nm]
metric_val = [metric_val]
train_... | python | def log_train(batch_id, batch_num, metric, step_loss, log_interval, epoch_id, learning_rate):
"""Generate and print out the log message for training.
"""
metric_nm, metric_val = metric.get()
if not isinstance(metric_nm, list):
metric_nm = [metric_nm]
metric_val = [metric_val]
train_... | [
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dmlc/gluon-nlp | scripts/bert/finetune_classifier.py | log_inference | def log_inference(batch_id, batch_num, metric, step_loss, log_interval):
"""Generate and print out the log message for inference.
"""
metric_nm, metric_val = metric.get()
if not isinstance(metric_nm, list):
metric_nm = [metric_nm]
metric_val = [metric_val]
eval_str = '[Batch %d/%d] ... | python | def log_inference(batch_id, batch_num, metric, step_loss, log_interval):
"""Generate and print out the log message for inference.
"""
metric_nm, metric_val = metric.get()
if not isinstance(metric_nm, list):
metric_nm = [metric_nm]
metric_val = [metric_val]
eval_str = '[Batch %d/%d] ... | [
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dmlc/gluon-nlp | scripts/bert/finetune_classifier.py | train | def train(metric):
"""Training function."""
logging.info('Now we are doing BERT classification training on %s!', ctx)
optimizer_params = {'learning_rate': lr, 'epsilon': epsilon, 'wd': 0.01}
try:
trainer = gluon.Trainer(
model.collect_params(),
args.optimizer,
... | python | def train(metric):
"""Training function."""
logging.info('Now we are doing BERT classification training on %s!', ctx)
optimizer_params = {'learning_rate': lr, 'epsilon': epsilon, 'wd': 0.01}
try:
trainer = gluon.Trainer(
model.collect_params(),
args.optimizer,
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dmlc/gluon-nlp | scripts/bert/finetune_classifier.py | inference | def inference(metric):
"""Inference function."""
logging.info('Now we are doing BERT classification inference on %s!', ctx)
model = BERTClassifier(bert, dropout=0.1, num_classes=len(task.get_labels()))
model.hybridize(static_alloc=True)
model.load_parameters(model_parameters, ctx=ctx)
metric.r... | python | def inference(metric):
"""Inference function."""
logging.info('Now we are doing BERT classification inference on %s!', ctx)
model = BERTClassifier(bert, dropout=0.1, num_classes=len(task.get_labels()))
model.hybridize(static_alloc=True)
model.load_parameters(model_parameters, ctx=ctx)
metric.r... | [
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dmlc/gluon-nlp | scripts/question_answering/data_processing.py | preprocess_dataset | def preprocess_dataset(dataset, question_max_length, context_max_length):
"""Process SQuAD dataset by creating NDArray version of data
:param Dataset dataset: SQuAD dataset
:param int question_max_length: Maximum length of question (padded or trimmed to that size)
:param int context_max_length: Maximum... | python | def preprocess_dataset(dataset, question_max_length, context_max_length):
"""Process SQuAD dataset by creating NDArray version of data
:param Dataset dataset: SQuAD dataset
:param int question_max_length: Maximum length of question (padded or trimmed to that size)
:param int context_max_length: Maximum... | [
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dmlc/gluon-nlp | scripts/question_answering/data_processing.py | SQuADTransform._get_answer_spans | def _get_answer_spans(answer_list, answer_start_list):
"""Find all answer spans from the context, returning start_index and end_index
:param list[str] answer_list: List of all answers
:param list[int] answer_start_list: List of all answers' start indices
Returns
-------
... | python | def _get_answer_spans(answer_list, answer_start_list):
"""Find all answer spans from the context, returning start_index and end_index
:param list[str] answer_list: List of all answers
:param list[int] answer_start_list: List of all answers' start indices
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dmlc/gluon-nlp | scripts/question_answering/data_processing.py | VocabProvider.get_word_level_vocab | def get_word_level_vocab(self):
"""Provides word level vocabulary
Returns
-------
Vocab
Word level vocabulary
"""
def simple_tokenize(source_str, token_delim=' ', seq_delim='\n'):
return list(filter(None, re.split(token_delim + '|' + seq_delim, s... | python | def get_word_level_vocab(self):
"""Provides word level vocabulary
Returns
-------
Vocab
Word level vocabulary
"""
def simple_tokenize(source_str, token_delim=' ', seq_delim='\n'):
return list(filter(None, re.split(token_delim + '|' + seq_delim, s... | [
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dmlc/gluon-nlp | src/gluonnlp/loss/activation_regularizer.py | TemporalActivationRegularizationLoss.hybrid_forward | def hybrid_forward(self, F, *states): # pylint: disable=arguments-differ
"""
Parameters
----------
states : list
the stack outputs from RNN, which consists of output from each time step (TNC).
Returns
--------
loss : NDArray
loss tensor wi... | python | def hybrid_forward(self, F, *states): # pylint: disable=arguments-differ
"""
Parameters
----------
states : list
the stack outputs from RNN, which consists of output from each time step (TNC).
Returns
--------
loss : NDArray
loss tensor wi... | [
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._tokenize | def _tokenize(self, text):
"""Tokenizes a piece of text."""
text = self._clean_text(text)
# This was added on November 1st, 2018 for the multilingual and Chinese
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# matter since the English models were not t... | python | def _tokenize(self, text):
"""Tokenizes a piece of text."""
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._clean_text | def _clean_text(self, text):
"""Performs invalid character removal and whitespace cleanup on text."""
output = []
for char in text:
cp = ord(char)
if cp in (0, 0xfffd) or self._is_control(char):
continue
if self._is_whitespace(char):
... | python | def _clean_text(self, text):
"""Performs invalid character removal and whitespace cleanup on text."""
output = []
for char in text:
cp = ord(char)
if cp in (0, 0xfffd) or self._is_control(char):
continue
if self._is_whitespace(char):
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._is_control | def _is_control(self, char):
"""Checks whether `chars` is a control character."""
# These are technically control characters but we count them as whitespace
# characters.
if char in ['\t', '\n', '\r']:
return False
cat = unicodedata.category(char)
if cat.start... | python | def _is_control(self, char):
"""Checks whether `chars` is a control character."""
# These are technically control characters but we count them as whitespace
# characters.
if char in ['\t', '\n', '\r']:
return False
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._run_split_on_punc | def _run_split_on_punc(self, 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 self._is_punctuation(char):
output.append([char])
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"""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 self._is_punctuation(char):
output.append([char])
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._is_punctuation | def _is_punctuation(self, char):
"""Checks whether `chars` is a punctuation character."""
cp = ord(char)
# We treat all non-letter/number ASCII as punctuation.
# Characters such as "^", "$", and "`" are not in the Unicode
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cp = ord(char)
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._is_whitespace | def _is_whitespace(self, char):
"""Checks whether `chars` is a whitespace character."""
# \t, \n, and \r are technically contorl characters but we treat them
# as whitespace since they are generally considered as such.
if char in [' ', '\t', '\n', '\r']:
return True
c... | python | def _is_whitespace(self, char):
"""Checks whether `chars` is a whitespace character."""
# \t, \n, and \r are technically contorl characters but we treat them
# as whitespace since they are generally considered as such.
if char in [' ', '\t', '\n', '\r']:
return True
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTBasicTokenizer._whitespace_tokenize | def _whitespace_tokenize(self, text):
"""Runs basic whitespace cleaning and splitting on a piece of text."""
text = text.strip()
tokens = text.split()
return tokens | python | def _whitespace_tokenize(self, text):
"""Runs basic whitespace cleaning and splitting on a piece of text."""
text = text.strip()
tokens = text.split()
return tokens | [
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTTokenizer._tokenize_wordpiece | def _tokenize_wordpiece(self, text):
"""Tokenizes a piece of text into its word pieces.
This uses a greedy longest-match-first algorithm to perform tokenization
using the given vocabulary.
For example:
input = "unaffable"
output = ["un", "##aff", "##able"]
... | python | def _tokenize_wordpiece(self, text):
"""Tokenizes a piece of text into its word pieces.
This uses a greedy longest-match-first algorithm to perform tokenization
using the given vocabulary.
For example:
input = "unaffable"
output = ["un", "##aff", "##able"]
... | [
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dmlc/gluon-nlp | src/gluonnlp/data/transforms.py | BERTSentenceTransform._truncate_seq_pair | def _truncate_seq_pair(self, tokens_a, tokens_b, max_length):
"""Truncates a sequence pair in place to the maximum length."""
# This is a simple heuristic which will always truncate the longer sequence
# one token at a time. This makes more sense than truncating an equal percent
# of tok... | python | def _truncate_seq_pair(self, tokens_a, tokens_b, max_length):
"""Truncates a sequence pair in place to the maximum length."""
# This is a simple heuristic which will always truncate the longer sequence
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dmlc/gluon-nlp | scripts/word_embeddings/evaluate_pretrained.py | get_args | def get_args():
"""Construct the argument parser."""
parser = argparse.ArgumentParser(
description='Word embedding evaluation with Gluon.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
# Embeddings arguments
group = parser.add_argument_group('Embedding arguments')
group.a... | python | def get_args():
"""Construct the argument parser."""
parser = argparse.ArgumentParser(
description='Word embedding evaluation with Gluon.',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
# Embeddings arguments
group = parser.add_argument_group('Embedding arguments')
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dmlc/gluon-nlp | scripts/word_embeddings/evaluate_pretrained.py | validate_args | def validate_args(args):
"""Validate provided arguments and act on --help."""
if args.list_embedding_sources:
print('Listing all sources for {} embeddings.'.format(
args.embedding_name))
print('Specify --embedding-name if you wish to '
'list sources of other embeddings'... | python | def validate_args(args):
"""Validate provided arguments and act on --help."""
if args.list_embedding_sources:
print('Listing all sources for {} embeddings.'.format(
args.embedding_name))
print('Specify --embedding-name if you wish to '
'list sources of other embeddings'... | [
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dmlc/gluon-nlp | scripts/word_embeddings/evaluate_pretrained.py | load_embedding_from_path | def load_embedding_from_path(args):
"""Load a TokenEmbedding."""
if args.embedding_path.endswith('.bin'):
with utils.print_time('load fastText model.'):
model = \
nlp.model.train.FasttextEmbeddingModel.load_fasttext_format(
args.embedding_path)
idx... | python | def load_embedding_from_path(args):
"""Load a TokenEmbedding."""
if args.embedding_path.endswith('.bin'):
with utils.print_time('load fastText model.'):
model = \
nlp.model.train.FasttextEmbeddingModel.load_fasttext_format(
args.embedding_path)
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dmlc/gluon-nlp | scripts/bert/fp16_utils.py | grad_global_norm | def grad_global_norm(parameters, max_norm):
"""Calculate the 2-norm of gradients of parameters, and how much they should be scaled down
such that their 2-norm does not exceed `max_norm`.
If gradients exist for more than one context for a parameter, user needs to explicitly call
``trainer.allreduce_grad... | python | def grad_global_norm(parameters, max_norm):
"""Calculate the 2-norm of gradients of parameters, and how much they should be scaled down
such that their 2-norm does not exceed `max_norm`.
If gradients exist for more than one context for a parameter, user needs to explicitly call
``trainer.allreduce_grad... | [
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dmlc/gluon-nlp | scripts/bert/fp16_utils.py | FP16Trainer.backward | def backward(self, loss):
"""backward propagation with loss"""
with mx.autograd.record():
if isinstance(loss, (tuple, list)):
ls = [l * self._scaler.loss_scale for l in loss]
else:
ls = loss * self._scaler.loss_scale
mx.autograd.backward(ls... | python | def backward(self, loss):
"""backward propagation with loss"""
with mx.autograd.record():
if isinstance(loss, (tuple, list)):
ls = [l * self._scaler.loss_scale for l in loss]
else:
ls = loss * self._scaler.loss_scale
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dmlc/gluon-nlp | scripts/bert/fp16_utils.py | FP16Trainer.step | def step(self, batch_size, max_norm=None):
"""Makes one step of parameter update. Should be called after
`fp16_optimizer.backward()`, and outside of `record()` scope.
Parameters
----------
batch_size : int
Batch size of data processed. Gradient will be normalized by ... | python | def step(self, batch_size, max_norm=None):
"""Makes one step of parameter update. Should be called after
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Parameters
----------
batch_size : int
Batch size of data processed. Gradient will be normalized by ... | [
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dmlc/gluon-nlp | scripts/bert/fp16_utils.py | LossScaler.has_overflow | def has_overflow(self, params):
""" detect inf and nan """
is_not_finite = 0
for param in params:
if param.grad_req != 'null':
grad = param.list_grad()[0]
is_not_finite += mx.nd.contrib.isnan(grad).sum()
is_not_finite += mx.nd.contrib.i... | python | def has_overflow(self, params):
""" detect inf and nan """
is_not_finite = 0
for param in params:
if param.grad_req != 'null':
grad = param.list_grad()[0]
is_not_finite += mx.nd.contrib.isnan(grad).sum()
is_not_finite += mx.nd.contrib.i... | [
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dmlc/gluon-nlp | scripts/bert/fp16_utils.py | DynamicLossScaler.update_scale | def update_scale(self, overflow):
"""dynamically update loss scale"""
iter_since_rescale = self._num_steps - self._last_rescale_iter
if overflow:
self._last_overflow_iter = self._num_steps
self._overflows_since_rescale += 1
percentage = self._overflows_since_r... | python | def update_scale(self, overflow):
"""dynamically update loss scale"""
iter_since_rescale = self._num_steps - self._last_rescale_iter
if overflow:
self._last_overflow_iter = self._num_steps
self._overflows_since_rescale += 1
percentage = self._overflows_since_r... | [
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dmlc/gluon-nlp | src/gluonnlp/data/sampler.py | FixedBucketSampler.stats | def stats(self):
"""Return a string representing the statistics of the bucketing sampler.
Returns
-------
ret : str
String representing the statistics of the buckets.
"""
ret = '{name}:\n' \
' sample_num={sample_num}, batch_num={batch_num}\n' \
... | python | def stats(self):
"""Return a string representing the statistics of the bucketing sampler.
Returns
-------
ret : str
String representing the statistics of the buckets.
"""
ret = '{name}:\n' \
' sample_num={sample_num}, batch_num={batch_num}\n' \
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dmlc/gluon-nlp | scripts/language_model/large_word_language_model.py | train | def train():
"""Training loop for language model.
"""
print(model)
from_epoch = 0
model.initialize(mx.init.Xavier(factor_type='out'), ctx=context)
trainer_params = {'learning_rate': args.lr, 'wd': 0, 'eps': args.eps}
trainer = gluon.Trainer(model.collect_params(), 'adagrad', trainer_params)
... | python | def train():
"""Training loop for language model.
"""
print(model)
from_epoch = 0
model.initialize(mx.init.Xavier(factor_type='out'), ctx=context)
trainer_params = {'learning_rate': args.lr, 'wd': 0, 'eps': args.eps}
trainer = gluon.Trainer(model.collect_params(), 'adagrad', trainer_params)
... | [
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dmlc/gluon-nlp | scripts/language_model/large_word_language_model.py | evaluate | def evaluate():
""" Evaluate loop for the trained model """
print(eval_model)
eval_model.initialize(mx.init.Xavier(), ctx=context[0])
eval_model.hybridize(static_alloc=True, static_shape=True)
epoch = args.from_epoch if args.from_epoch else 0
while epoch < args.epochs:
checkpoint_name = ... | python | def evaluate():
""" Evaluate loop for the trained model """
print(eval_model)
eval_model.initialize(mx.init.Xavier(), ctx=context[0])
eval_model.hybridize(static_alloc=True, static_shape=True)
epoch = args.from_epoch if args.from_epoch else 0
while epoch < args.epochs:
checkpoint_name = ... | [
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dmlc/gluon-nlp | scripts/sentiment_analysis/process_data.py | load_dataset | def load_dataset(data_name):
"""Load sentiment dataset."""
if data_name == 'MR' or data_name == 'Subj':
train_dataset, output_size = _load_file(data_name)
vocab, max_len = _build_vocab(data_name, train_dataset, [])
train_dataset, train_data_lengths = _preprocess_dataset(train_dataset, vo... | python | def load_dataset(data_name):
"""Load sentiment dataset."""
if data_name == 'MR' or data_name == 'Subj':
train_dataset, output_size = _load_file(data_name)
vocab, max_len = _build_vocab(data_name, train_dataset, [])
train_dataset, train_data_lengths = _preprocess_dataset(train_dataset, vo... | [
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dmlc/gluon-nlp | src/gluonnlp/base.py | get_home_dir | def get_home_dir():
"""Get home directory for storing datasets/models/pre-trained word embeddings"""
_home_dir = os.environ.get('MXNET_HOME', os.path.join('~', '.mxnet'))
# expand ~ to actual path
_home_dir = os.path.expanduser(_home_dir)
return _home_dir | python | def get_home_dir():
"""Get home directory for storing datasets/models/pre-trained word embeddings"""
_home_dir = os.environ.get('MXNET_HOME', os.path.join('~', '.mxnet'))
# expand ~ to actual path
_home_dir = os.path.expanduser(_home_dir)
return _home_dir | [
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dmlc/gluon-nlp | scripts/natural_language_inference/dataset.py | read_dataset | def read_dataset(args, dataset):
"""
Read dataset from tokenized files.
"""
path = os.path.join(vars(args)[dataset])
logger.info('reading data from {}'.format(path))
examples = [line.strip().split('\t') for line in open(path)]
if args.max_num_examples > 0:
examples = examples[:args.m... | python | def read_dataset(args, dataset):
"""
Read dataset from tokenized files.
"""
path = os.path.join(vars(args)[dataset])
logger.info('reading data from {}'.format(path))
examples = [line.strip().split('\t') for line in open(path)]
if args.max_num_examples > 0:
examples = examples[:args.m... | [
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dmlc/gluon-nlp | scripts/natural_language_inference/dataset.py | build_vocab | def build_vocab(dataset):
"""
Build vocab given a dataset.
"""
counter = nlp.data.count_tokens([w for e in dataset for s in e[:2] for w in s],
to_lower=True)
vocab = nlp.Vocab(counter)
return vocab | python | def build_vocab(dataset):
"""
Build vocab given a dataset.
"""
counter = nlp.data.count_tokens([w for e in dataset for s in e[:2] for w in s],
to_lower=True)
vocab = nlp.Vocab(counter)
return vocab | [
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dmlc/gluon-nlp | scripts/natural_language_inference/dataset.py | prepare_data_loader | def prepare_data_loader(args, dataset, vocab, test=False):
"""
Read data and build data loader.
"""
# Preprocess
dataset = dataset.transform(lambda s1, s2, label: (vocab(s1), vocab(s2), label),
lazy=False)
# Batching
batchify_fn = btf.Tuple(btf.Pad(), btf.Pad... | python | def prepare_data_loader(args, dataset, vocab, test=False):
"""
Read data and build data loader.
"""
# Preprocess
dataset = dataset.transform(lambda s1, s2, label: (vocab(s1), vocab(s2), label),
lazy=False)
# Batching
batchify_fn = btf.Tuple(btf.Pad(), btf.Pad... | [
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | mxnet_prefer_gpu | def mxnet_prefer_gpu():
"""If gpu available return gpu, else cpu
Returns
-------
context : Context
The preferable GPU context.
"""
gpu = int(os.environ.get('MXNET_GPU', default=0))
if gpu in mx.test_utils.list_gpus():
return mx.gpu(gpu)
return mx.cpu() | python | def mxnet_prefer_gpu():
"""If gpu available return gpu, else cpu
Returns
-------
context : Context
The preferable GPU context.
"""
gpu = int(os.environ.get('MXNET_GPU', default=0))
if gpu in mx.test_utils.list_gpus():
return mx.gpu(gpu)
return mx.cpu() | [
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | init_logger | def init_logger(root_dir, name="train.log"):
"""Initialize a logger
Parameters
----------
root_dir : str
directory for saving log
name : str
name of logger
Returns
-------
logger : logging.Logger
a logger
"""
os.makedirs(root_dir, exist_ok=True)
log_... | python | def init_logger(root_dir, name="train.log"):
"""Initialize a logger
Parameters
----------
root_dir : str
directory for saving log
name : str
name of logger
Returns
-------
logger : logging.Logger
a logger
"""
os.makedirs(root_dir, exist_ok=True)
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | orthonormal_VanillaLSTMBuilder | def orthonormal_VanillaLSTMBuilder(lstm_layers, input_dims, lstm_hiddens, dropout_x=0., dropout_h=0., debug=False):
"""Build a standard LSTM cell, with variational dropout,
with weights initialized to be orthonormal (https://arxiv.org/abs/1312.6120)
Parameters
----------
lstm_layers : int
C... | python | def orthonormal_VanillaLSTMBuilder(lstm_layers, input_dims, lstm_hiddens, dropout_x=0., dropout_h=0., debug=False):
"""Build a standard LSTM cell, with variational dropout,
with weights initialized to be orthonormal (https://arxiv.org/abs/1312.6120)
Parameters
----------
lstm_layers : int
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | biLSTM | def biLSTM(f_lstm, b_lstm, inputs, batch_size=None, dropout_x=0., dropout_h=0.):
"""Feature extraction through BiLSTM
Parameters
----------
f_lstm : VariationalDropoutCell
Forward cell
b_lstm : VariationalDropoutCell
Backward cell
inputs : NDArray
seq_len x batch_size
... | python | def biLSTM(f_lstm, b_lstm, inputs, batch_size=None, dropout_x=0., dropout_h=0.):
"""Feature extraction through BiLSTM
Parameters
----------
f_lstm : VariationalDropoutCell
Forward cell
b_lstm : VariationalDropoutCell
Backward cell
inputs : NDArray
seq_len x batch_size
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | bilinear | def bilinear(x, W, y, input_size, seq_len, batch_size, num_outputs=1, bias_x=False, bias_y=False):
"""Do xWy
Parameters
----------
x : NDArray
(input_size x seq_len) x batch_size
W : NDArray
(num_outputs x ny) x nx
y : NDArray
(input_size x seq_len) x batch_size
inpu... | python | def bilinear(x, W, y, input_size, seq_len, batch_size, num_outputs=1, bias_x=False, bias_y=False):
"""Do xWy
Parameters
----------
x : NDArray
(input_size x seq_len) x batch_size
W : NDArray
(num_outputs x ny) x nx
y : NDArray
(input_size x seq_len) x batch_size
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | arc_argmax | def arc_argmax(parse_probs, length, tokens_to_keep, ensure_tree=True):
"""MST
Adopted from Timothy Dozat https://github.com/tdozat/Parser/blob/master/lib/models/nn.py
Parameters
----------
parse_probs : NDArray
seq_len x seq_len, the probability of arcs
length : NDArray
real sen... | python | def arc_argmax(parse_probs, length, tokens_to_keep, ensure_tree=True):
"""MST
Adopted from Timothy Dozat https://github.com/tdozat/Parser/blob/master/lib/models/nn.py
Parameters
----------
parse_probs : NDArray
seq_len x seq_len, the probability of arcs
length : NDArray
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | rel_argmax | def rel_argmax(rel_probs, length, ensure_tree=True):
"""Fix the relation prediction by heuristic rules
Parameters
----------
rel_probs : NDArray
seq_len x rel_size
length :
real sentence length
ensure_tree :
whether to apply rules
Returns
-------
rel_preds : ... | python | def rel_argmax(rel_probs, length, ensure_tree=True):
"""Fix the relation prediction by heuristic rules
Parameters
----------
rel_probs : NDArray
seq_len x rel_size
length :
real sentence length
ensure_tree :
whether to apply rules
Returns
-------
rel_preds : ... | [
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | reshape_fortran | def reshape_fortran(tensor, shape):
"""The missing Fortran reshape for mx.NDArray
Parameters
----------
tensor : NDArray
source tensor
shape : NDArray
desired shape
Returns
-------
output : NDArray
reordered result
"""
return tensor.T.reshape(tuple(rever... | python | def reshape_fortran(tensor, shape):
"""The missing Fortran reshape for mx.NDArray
Parameters
----------
tensor : NDArray
source tensor
shape : NDArray
desired shape
Returns
-------
output : NDArray
reordered result
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dmlc/gluon-nlp | scripts/parsing/common/utils.py | Progbar.update | def update(self, current, values=[], exact=[], strict=[]):
"""
Updates the progress bar.
# Arguments
current: Index of current step.
values: List of tuples (name, value_for_last_step).
The progress bar will display averages for these values.
ex... | python | def update(self, current, values=[], exact=[], strict=[]):
"""
Updates the progress bar.
# Arguments
current: Index of current step.
values: List of tuples (name, value_for_last_step).
The progress bar will display averages for these values.
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dmlc/gluon-nlp | scripts/language_model/word_language_model.py | get_batch | def get_batch(data_source, i, seq_len=None):
"""Get mini-batches of the dataset.
Parameters
----------
data_source : NDArray
The dataset is evaluated on.
i : int
The index of the batch, starting from 0.
seq_len : int
The length of each sample in the batch.
Returns
... | python | def get_batch(data_source, i, seq_len=None):
"""Get mini-batches of the dataset.
Parameters
----------
data_source : NDArray
The dataset is evaluated on.
i : int
The index of the batch, starting from 0.
seq_len : int
The length of each sample in the batch.
Returns
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dmlc/gluon-nlp | scripts/language_model/word_language_model.py | evaluate | def evaluate(data_source, batch_size, params_file_name, ctx=None):
"""Evaluate the model on the dataset.
Parameters
----------
data_source : NDArray
The dataset is evaluated on.
batch_size : int
The size of the mini-batch.
params_file_name : str
The parameter file to use... | python | def evaluate(data_source, batch_size, params_file_name, ctx=None):
"""Evaluate the model on the dataset.
Parameters
----------
data_source : NDArray
The dataset is evaluated on.
batch_size : int
The size of the mini-batch.
params_file_name : str
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dmlc/gluon-nlp | scripts/language_model/word_language_model.py | train | def train():
"""Training loop for awd language model.
"""
ntasgd = False
best_val = float('Inf')
start_train_time = time.time()
parameters = model.collect_params()
param_dict_avg = None
t = 0
avg_trigger = 0
n = 5
valid_losses = []
for epoch in range(args.epochs):
... | python | def train():
"""Training loop for awd language model.
"""
ntasgd = False
best_val = float('Inf')
start_train_time = time.time()
parameters = model.collect_params()
param_dict_avg = None
t = 0
avg_trigger = 0
n = 5
valid_losses = []
for epoch in range(args.epochs):
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dmlc/gluon-nlp | src/gluonnlp/embedding/evaluation.py | register | def register(class_):
"""Registers a new word embedding evaluation function.
Once registered, we can create an instance with
:func:`~gluonnlp.embedding.evaluation.create`.
Examples
--------
>>> @gluonnlp.embedding.evaluation.register
... class MySimilarityFunction(gluonnlp.embedding.evalua... | python | def register(class_):
"""Registers a new word embedding evaluation function.
Once registered, we can create an instance with
:func:`~gluonnlp.embedding.evaluation.create`.
Examples
--------
>>> @gluonnlp.embedding.evaluation.register
... class MySimilarityFunction(gluonnlp.embedding.evalua... | [
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dmlc/gluon-nlp | src/gluonnlp/embedding/evaluation.py | create | def create(kind, name, **kwargs):
"""Creates an instance of a registered word embedding evaluation function.
Parameters
----------
kind : ['similarity', 'analogy']
Return only valid names for similarity, analogy or both kinds of
functions.
name : str
The evaluation function ... | python | def create(kind, name, **kwargs):
"""Creates an instance of a registered word embedding evaluation function.
Parameters
----------
kind : ['similarity', 'analogy']
Return only valid names for similarity, analogy or both kinds of
functions.
name : str
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dmlc/gluon-nlp | src/gluonnlp/embedding/evaluation.py | list_evaluation_functions | def list_evaluation_functions(kind=None):
"""Get valid word embedding functions names.
Parameters
----------
kind : ['similarity', 'analogy', None]
Return only valid names for similarity, analogy or both kinds of functions.
Returns
-------
dict or list:
A list of all the va... | python | def list_evaluation_functions(kind=None):
"""Get valid word embedding functions names.
Parameters
----------
kind : ['similarity', 'analogy', None]
Return only valid names for similarity, analogy or both kinds of functions.
Returns
-------
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dmlc/gluon-nlp | src/gluonnlp/embedding/evaluation.py | WordEmbeddingSimilarity.hybrid_forward | def hybrid_forward(self, F, words1, words2, weight): # pylint: disable=arguments-differ
"""Predict the similarity of words1 and words2.
Parameters
----------
words1 : Symbol or NDArray
The indices of the words the we wish to compare to the words in words2.
words2 : ... | python | def hybrid_forward(self, F, words1, words2, weight): # pylint: disable=arguments-differ
"""Predict the similarity of words1 and words2.
Parameters
----------
words1 : Symbol or NDArray
The indices of the words the we wish to compare to the words in words2.
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dmlc/gluon-nlp | src/gluonnlp/embedding/evaluation.py | WordEmbeddingAnalogy.hybrid_forward | def hybrid_forward(self, F, words1, words2, words3): # pylint: disable=arguments-differ, unused-argument
"""Compute analogies for given question words.
Parameters
----------
words1 : Symbol or NDArray
Word indices of first question words. Shape (batch_size, ).
words... | python | def hybrid_forward(self, F, words1, words2, words3): # pylint: disable=arguments-differ, unused-argument
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Parameters
----------
words1 : Symbol or NDArray
Word indices of first question words. Shape (batch_size, ).
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dmlc/gluon-nlp | scripts/language_model/cache_language_model.py | evaluate | def evaluate(data_source, batch_size, ctx=None):
"""Evaluate the model on the dataset with cache model.
Parameters
----------
data_source : NDArray
The dataset is evaluated on.
batch_size : int
The size of the mini-batch.
ctx : mx.cpu() or mx.gpu()
The context of the com... | python | def evaluate(data_source, batch_size, ctx=None):
"""Evaluate the model on the dataset with cache model.
Parameters
----------
data_source : NDArray
The dataset is evaluated on.
batch_size : int
The size of the mini-batch.
ctx : mx.cpu() or mx.gpu()
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dmlc/gluon-nlp | scripts/bert/staticbert/static_bert.py | get_model | def get_model(name, dataset_name='wikitext-2', **kwargs):
"""Returns a pre-defined model by name.
Parameters
----------
name : str
Name of the model.
dataset_name : str or None, default 'wikitext-2'.
If None, then vocab is required, for specifying embedding weight size, and is direc... | python | def get_model(name, dataset_name='wikitext-2', **kwargs):
"""Returns a pre-defined model by name.
Parameters
----------
name : str
Name of the model.
dataset_name : str or None, default 'wikitext-2'.
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dmlc/gluon-nlp | scripts/bert/staticbert/static_bert.py | bert_12_768_12 | def bert_12_768_12(dataset_name=None, vocab=None, pretrained=True, ctx=mx.cpu(),
root=os.path.join(get_home_dir(), 'models'), use_pooler=True,
use_decoder=True, use_classifier=True, input_size=None, seq_length=None,
**kwargs):
"""Static BERT BASE model.
... | python | def bert_12_768_12(dataset_name=None, vocab=None, pretrained=True, ctx=mx.cpu(),
root=os.path.join(get_home_dir(), 'models'), use_pooler=True,
use_decoder=True, use_classifier=True, input_size=None, seq_length=None,
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"""Static BERT BASE model.
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",",... | Static BERT BASE model.
The number of layers (L) is 12, number of units (H) is 768, and the
number of self-attention heads (A) is 12.
Parameters
----------
dataset_name : str or None, default None
Options include 'book_corpus_wiki_en_cased', 'book_corpus_wiki_en_uncased',
'wiki_cn_... | [
"Static",
"BERT",
"BASE",
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] | 4b83eb6bcc8881e5f1081a3675adaa19fac5c0ba | https://github.com/dmlc/gluon-nlp/blob/4b83eb6bcc8881e5f1081a3675adaa19fac5c0ba/scripts/bert/staticbert/static_bert.py#L608-L652 | train | Static BERT BASE model. | Pu7Z6IJCgH3a,vcEHXBQXuDuh,sHOWSIAKtU58,ZVWAAMjVVHHl,qRin5pdYOdbB,IySsVMyKT3tF,FwEHNICjJCy0,yISIa0MMKKfB,GAtvbI59wr0o,OmNM6rT0Sgul,gu1MSKhYvigU,S2TTo9DhhiSh,aaLV7ZjAfkcR,ker4pIJmdvxf,WaQEaQCVMQ03,xV97BFGi0hY9,YnM1HtHE4j7G,X5FyJb4ToTo6,jLmadlzMdunT,GGFwFLsDF9Fv,prtR0Uw1GMh5,oNamnshN4dFG,QZzQeAYvsoum,VHAt7CcYKC2T,cKsTbNGL... |
dmlc/gluon-nlp | scripts/bert/staticbert/static_bert.py | StaticBERTModel.hybrid_forward | def hybrid_forward(self, F, inputs, token_types, valid_length=None, masked_positions=None):
# pylint: disable=arguments-differ
# pylint: disable=unused-argument
"""Generate the representation given the inputs.
This is used in training or fine-tuning a static (hybridized) BERT model.
... | python | def hybrid_forward(self, F, inputs, token_types, valid_length=None, masked_positions=None):
# pylint: disable=arguments-differ
# pylint: disable=unused-argument
"""Generate the representation given the inputs.
This is used in training or fine-tuning a static (hybridized) BERT model.
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This is used in training or fine-tuning a static (hybridized) BERT model. | [
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] | 4b83eb6bcc8881e5f1081a3675adaa19fac5c0ba | https://github.com/dmlc/gluon-nlp/blob/4b83eb6bcc8881e5f1081a3675adaa19fac5c0ba/scripts/bert/staticbert/static_bert.py#L481-L512 | train | Generate the representation given the inputs. | Pu7Z6IJCgH3a,vcEHXBQXuDuh,sHOWSIAKtU58,ZVWAAMjVVHHl,qRin5pdYOdbB,IySsVMyKT3tF,FwEHNICjJCy0,yISIa0MMKKfB,GAtvbI59wr0o,OmNM6rT0Sgul,gu1MSKhYvigU,S2TTo9DhhiSh,aaLV7ZjAfkcR,ker4pIJmdvxf,WaQEaQCVMQ03,xV97BFGi0hY9,YnM1HtHE4j7G,X5FyJb4ToTo6,jLmadlzMdunT,GGFwFLsDF9Fv,prtR0Uw1GMh5,oNamnshN4dFG,QZzQeAYvsoum,VHAt7CcYKC2T,cKsTbNGL... |
dmlc/gluon-nlp | src/gluonnlp/model/train/cache.py | CacheCell.load_parameters | def load_parameters(self, filename, ctx=mx.cpu()): # pylint: disable=arguments-differ
"""Load parameters from file.
filename : str
Path to parameter file.
ctx : Context or list of Context, default cpu()
Context(s) initialize loaded parameters on.
"""
self... | python | def load_parameters(self, filename, ctx=mx.cpu()): # pylint: disable=arguments-differ
"""Load parameters from file.
filename : str
Path to parameter file.
ctx : Context or list of Context, default cpu()
Context(s) initialize loaded parameters on.
"""
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ctx : Context or list of Context, default cpu()
Context(s) initialize loaded parameters on. | [
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] | 4b83eb6bcc8881e5f1081a3675adaa19fac5c0ba | https://github.com/dmlc/gluon-nlp/blob/4b83eb6bcc8881e5f1081a3675adaa19fac5c0ba/src/gluonnlp/model/train/cache.py#L84-L92 | train | Load parameters from file. | Pu7Z6IJCgH3a,vcEHXBQXuDuh,sHOWSIAKtU58,ZVWAAMjVVHHl,qRin5pdYOdbB,IySsVMyKT3tF,FwEHNICjJCy0,yISIa0MMKKfB,GAtvbI59wr0o,OmNM6rT0Sgul,gu1MSKhYvigU,S2TTo9DhhiSh,aaLV7ZjAfkcR,ker4pIJmdvxf,WaQEaQCVMQ03,xV97BFGi0hY9,YnM1HtHE4j7G,X5FyJb4ToTo6,jLmadlzMdunT,GGFwFLsDF9Fv,prtR0Uw1GMh5,oNamnshN4dFG,QZzQeAYvsoum,VHAt7CcYKC2T,cKsTbNGL... |
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