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values | func_name stringlengths 1 134 | docstring stringlengths 1 46.9k | path stringlengths 4 223 | original_string stringlengths 75 104k | code stringlengths 75 104k | docstring_tokens listlengths 1 1.97k | repo stringlengths 7 55 | language stringclasses 1
value | url stringlengths 87 315 | code_tokens listlengths 19 28.4k | sha stringlengths 40 40 |
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train | _replace_oov | Replace out-of-vocab words with "UNK".
This maintains compatibility with published results.
Args:
original_vocab: a set of strings (The standard vocabulary for the dataset)
line: a unicode string - a space-delimited sequence of words.
Returns:
a unicode string - a space-delimited sequence of words. | tensor2tensor/data_generators/lm1b.py | def _replace_oov(original_vocab, line):
"""Replace out-of-vocab words with "UNK".
This maintains compatibility with published results.
Args:
original_vocab: a set of strings (The standard vocabulary for the dataset)
line: a unicode string - a space-delimited sequence of words.
Returns:
a unicode ... | def _replace_oov(original_vocab, line):
"""Replace out-of-vocab words with "UNK".
This maintains compatibility with published results.
Args:
original_vocab: a set of strings (The standard vocabulary for the dataset)
line: a unicode string - a space-delimited sequence of words.
Returns:
a unicode ... | [
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train | _maybe_download_corpus | Download and unpack the corpus.
Args:
tmp_dir: directory containing dataset. | tensor2tensor/data_generators/lm1b.py | def _maybe_download_corpus(tmp_dir):
"""Download and unpack the corpus.
Args:
tmp_dir: directory containing dataset.
"""
corpus_url = ("http://www.statmt.org/lm-benchmark/"
"1-billion-word-language-modeling-benchmark-r13output.tar.gz")
corpus_filename = os.path.basename(corpus_url)
corp... | def _maybe_download_corpus(tmp_dir):
"""Download and unpack the corpus.
Args:
tmp_dir: directory containing dataset.
"""
corpus_url = ("http://www.statmt.org/lm-benchmark/"
"1-billion-word-language-modeling-benchmark-r13output.tar.gz")
corpus_filename = os.path.basename(corpus_url)
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train | lossfn | Loss function. | tensor2tensor/models/research/cycle_gan.py | def lossfn(real_input, fake_input, compress, hparams, lsgan, name):
"""Loss function."""
eps = 1e-12
with tf.variable_scope(name):
d1 = discriminator(real_input, compress, hparams, "discriminator")
d2 = discriminator(fake_input, compress, hparams, "discriminator",
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if... | def lossfn(real_input, fake_input, compress, hparams, lsgan, name):
"""Loss function."""
eps = 1e-12
with tf.variable_scope(name):
d1 = discriminator(real_input, compress, hparams, "discriminator")
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if... | [
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train | cycle_gan_internal | Cycle GAN, main step used for training. | tensor2tensor/models/research/cycle_gan.py | def cycle_gan_internal(inputs, targets, _, hparams):
"""Cycle GAN, main step used for training."""
with tf.variable_scope("cycle_gan"):
# Embed inputs and targets.
inputs_orig, targets_orig = tf.to_int32(inputs), tf.to_int32(targets)
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"""Cycle GAN, main step used for training."""
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# Embed inputs and targets.
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train | cycle_gan_small | Set of hyperparameters. | tensor2tensor/models/research/cycle_gan.py | def cycle_gan_small():
"""Set of hyperparameters."""
hparams = transformer_vae.transformer_ae_small()
hparams.batch_size = 2048
hparams.bottom = {
"inputs": modalities.identity_bottom,
"targets": modalities.identity_bottom,
}
hparams.top = {
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hparam... | def cycle_gan_small():
"""Set of hyperparameters."""
hparams = transformer_vae.transformer_ae_small()
hparams.batch_size = 2048
hparams.bottom = {
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"targets": modalities.identity_bottom,
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hparams.top = {
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train | decode_hparams | Hparams for decoding. | tensor2tensor/models/video/nfg_interpolate.py | def decode_hparams(overrides=""):
"""Hparams for decoding."""
hparams = decoding.decode_hparams()
# Number of interpolations between [0.0, 1.0].
hparams.add_hparam("num_interp", 11)
# Which level(s) to interpolate.
hparams.add_hparam("level_interp", [0, 1, 2])
# "all" or "ranked", interpolate all channels... | def decode_hparams(overrides=""):
"""Hparams for decoding."""
hparams = decoding.decode_hparams()
# Number of interpolations between [0.0, 1.0].
hparams.add_hparam("num_interp", 11)
# Which level(s) to interpolate.
hparams.add_hparam("level_interp", [0, 1, 2])
# "all" or "ranked", interpolate all channels... | [
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train | preprocess_frame | Preprocess frame.
1. Converts [0, 255] to [-0.5, 0.5]
2. Adds uniform noise.
Args:
frame: 3-D Tensor representing pixels.
Returns:
frame: 3-D Tensor with values in between [-0.5, 0.5] | tensor2tensor/models/video/nfg_interpolate.py | def preprocess_frame(frame):
"""Preprocess frame.
1. Converts [0, 255] to [-0.5, 0.5]
2. Adds uniform noise.
Args:
frame: 3-D Tensor representing pixels.
Returns:
frame: 3-D Tensor with values in between [-0.5, 0.5]
"""
# Normalize from [0.0, 1.0] -> [-0.5, 0.5]
frame = common_layers.convert_r... | def preprocess_frame(frame):
"""Preprocess frame.
1. Converts [0, 255] to [-0.5, 0.5]
2. Adds uniform noise.
Args:
frame: 3-D Tensor representing pixels.
Returns:
frame: 3-D Tensor with values in between [-0.5, 0.5]
"""
# Normalize from [0.0, 1.0] -> [-0.5, 0.5]
frame = common_layers.convert_r... | [
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train | frame_to_latents | Encode frames to latents. | tensor2tensor/models/video/nfg_interpolate.py | def frame_to_latents(frame, hparams):
"""Encode frames to latents."""
# Preprocess
frame = preprocess_frame(frame)
# Encode [X_t] to [z^1_t, z^2_t .. z^l_t]
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z_top, _, level_eps, _, _ = glow_vals
return z_top, le... | def frame_to_latents(frame, hparams):
"""Encode frames to latents."""
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frame = preprocess_frame(frame)
# Encode [X_t] to [z^1_t, z^2_t .. z^l_t]
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train | latents_to_frames | Decodes latents to frames. | tensor2tensor/models/video/nfg_interpolate.py | def latents_to_frames(z_top_interp, level_eps_interp, hparams):
"""Decodes latents to frames."""
# Decode [z^1_t, z^2_t .. z^l_t] to [X_t]
images, _, _, _ = glow_ops.encoder_decoder(
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images = glow_ops.postprocess(images)
return images | def latents_to_frames(z_top_interp, level_eps_interp, hparams):
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# Decode [z^1_t, z^2_t .. z^l_t] to [X_t]
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train | interpolate | Interpolate between the first input frame and last target frame.
Args:
features: dict of tensors
hparams: HParams, training hparams.
decode_hp: HParams, decode hparams.
Returns:
images: interpolated images, 4-D Tensor, shape=(num_interp, H, W, C)
first_frame: image, 3-D Tensor, shape=(1, H, W, ... | tensor2tensor/models/video/nfg_interpolate.py | def interpolate(features, hparams, decode_hp):
"""Interpolate between the first input frame and last target frame.
Args:
features: dict of tensors
hparams: HParams, training hparams.
decode_hp: HParams, decode hparams.
Returns:
images: interpolated images, 4-D Tensor, shape=(num_interp, H, W, C)
... | def interpolate(features, hparams, decode_hp):
"""Interpolate between the first input frame and last target frame.
Args:
features: dict of tensors
hparams: HParams, training hparams.
decode_hp: HParams, decode hparams.
Returns:
images: interpolated images, 4-D Tensor, shape=(num_interp, H, W, C)
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train | get_summaries_log_dir | Get nested summaries_log_dir based on decode_hp. | tensor2tensor/models/video/nfg_interpolate.py | def get_summaries_log_dir(decode_hp, output_dir, dataset_split):
"""Get nested summaries_log_dir based on decode_hp."""
child_dir = decode_hp.summaries_log_dir
level_dir = "".join([str(level) for level in decode_hp.level_interp])
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rank_dir = "all"
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rank_dir = ... | def get_summaries_log_dir(decode_hp, output_dir, dataset_split):
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child_dir = decode_hp.summaries_log_dir
level_dir = "".join([str(level) for level in decode_hp.level_interp])
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train | interpolations_to_summary | Converts interpolated frames into tf summaries.
The summaries consists of:
1. Image summary corresponding to the first frame.
2. Image summary corresponding to the last frame.
3. The interpolated frames as a gif summary.
Args:
sample_ind: int
interpolations: Numpy array, shape=(num_interp, H, ... | tensor2tensor/models/video/nfg_interpolate.py | def interpolations_to_summary(sample_ind, interpolations, first_frame,
last_frame, hparams, decode_hp):
"""Converts interpolated frames into tf summaries.
The summaries consists of:
1. Image summary corresponding to the first frame.
2. Image summary corresponding to the last f... | def interpolations_to_summary(sample_ind, interpolations, first_frame,
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"""Converts interpolated frames into tf summaries.
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1. Image summary corresponding to the first frame.
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train | next_frame_epva | EPVA hparams. | tensor2tensor/models/video/epva_params.py | def next_frame_epva():
"""EPVA hparams."""
hparams = basic_deterministic_params.next_frame_basic_deterministic()
hparams.video_num_input_frames = 4
hparams.video_num_target_frames = 4
hparams.bottom = {
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"targets": modalities.video_raw_targets_bottom,
}
hp... | def next_frame_epva():
"""EPVA hparams."""
hparams = basic_deterministic_params.next_frame_basic_deterministic()
hparams.video_num_input_frames = 4
hparams.video_num_target_frames = 4
hparams.bottom = {
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"targets": modalities.video_raw_targets_bottom,
}
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train | MultistepAdamOptimizer._create_slots | Create slot variables for Adam with accumulated gradients. | tensor2tensor/utils/multistep_optimizer.py | def _create_slots(self, var_list):
"""Create slot variables for Adam with accumulated gradients."""
super(MultistepAdamOptimizer, self)._create_slots(var_list)
first_var = min(var_list, key=lambda x: x.name)
self._create_non_slot_variable(initial_value=0 if self._n == 1 else 1,
... | def _create_slots(self, var_list):
"""Create slot variables for Adam with accumulated gradients."""
super(MultistepAdamOptimizer, self)._create_slots(var_list)
first_var = min(var_list, key=lambda x: x.name)
self._create_non_slot_variable(initial_value=0 if self._n == 1 else 1,
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train | MultistepAdamOptimizer._apply_cond | Apply conditionally if counter is zero. | tensor2tensor/utils/multistep_optimizer.py | def _apply_cond(self, apply_fn, grad, var, *args, **kwargs):
"""Apply conditionally if counter is zero."""
grad_acc = self.get_slot(var, "grad_acc")
def apply_adam(grad_acc, apply_fn, grad, var, *args, **kwargs):
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adam_op = apply_fn... | def _apply_cond(self, apply_fn, grad, var, *args, **kwargs):
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train | MultistepAdamOptimizer._finish | Updates beta_power variables every n batches and incrs counter. | tensor2tensor/utils/multistep_optimizer.py | def _finish(self, update_ops, name_scope):
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train | transformer_revnet_encoder | A stack of transformer layers.
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hparams: hyperparameters for model
name: a string
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name="encoder"):
"""A stack of transformer layers.
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encoder_input: a Tensor
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train | transformer_revnet_decoder | A stack of transformer layers.
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train | transformer_revnet_base | Base hparams for TransformerRevnet. | tensor2tensor/models/research/transformer_revnet.py | def transformer_revnet_base():
"""Base hparams for TransformerRevnet."""
hparams = transformer.transformer_big()
# Use settings from transformer_n_da
hparams.layer_preprocess_sequence = "n"
hparams.layer_postprocess_sequence = "da"
hparams.learning_rate = 0.4
return hparams | def transformer_revnet_base():
"""Base hparams for TransformerRevnet."""
hparams = transformer.transformer_big()
# Use settings from transformer_n_da
hparams.layer_preprocess_sequence = "n"
hparams.layer_postprocess_sequence = "da"
hparams.learning_rate = 0.4
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train | transformer_revnet_big | Base hparams for TransformerRevnet. | tensor2tensor/models/research/transformer_revnet.py | def transformer_revnet_big():
"""Base hparams for TransformerRevnet."""
hparams = transformer_revnet_base()
# The TransformerRevnet uses significantly less memory than the Transformer.
# Increase batch size and model size.
hparams.batch_size *= 2
hparams.hidden_size *= 2
hparams.num_heads *= 2
hparams.... | def transformer_revnet_big():
"""Base hparams for TransformerRevnet."""
hparams = transformer_revnet_base()
# The TransformerRevnet uses significantly less memory than the Transformer.
# Increase batch size and model size.
hparams.batch_size *= 2
hparams.hidden_size *= 2
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train | data_parallelism_from_flags | Over which devices do we split each training batch.
In old-fashioned async mode, we split the batch over all GPUs on the
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In sync mode, we split the batch over all the parameter server GPUs.
This function returns an expert_utils.Parallelism object, which can be used
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"""Over which devices do we split each training batch.
In old-fashioned async mode, we split the batch over all GPUs on the
current worker.
In sync mode, we split the batch over all the parameter server GPUs.
This function retu... | def data_parallelism_from_flags(daisy_chain_variables=True, all_workers=False):
"""Over which devices do we split each training batch.
In old-fashioned async mode, we split the batch over all GPUs on the
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In sync mode, we split the batch over all the parameter server GPUs.
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train | data_parallelism | See data_parallelism_from_flags. | tensor2tensor/utils/devices.py | def data_parallelism(daisy_chain_variables=True,
all_workers=False,
ps_replicas=0,
ps_job="/job:ps",
ps_gpu=0,
schedule="continuous_train_and_eval",
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schedule="continuous_train_and_eval",
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train | concat_generator | Generate concatenated lines from file upto up_threshold characters. | tensor2tensor/data_generators/wiki_lm.py | def concat_generator(filename, up_threshold, low_threshold=10):
"""Generate concatenated lines from file upto up_threshold characters."""
txt = ""
for line in tf.gfile.Open(filename):
line = line.strip()
if len(txt) + len(line) + 1 >= up_threshold:
ret = txt
txt = ""
# We don't yield ver... | def concat_generator(filename, up_threshold, low_threshold=10):
"""Generate concatenated lines from file upto up_threshold characters."""
txt = ""
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line = line.strip()
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train | mix_generators | Given python generators, generate from one, then from another, etc. | tensor2tensor/data_generators/wiki_lm.py | def mix_generators(generator_list):
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i = 0
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train | compute_bleu_summaries | Compute BLEU core summaries using the decoder output.
Args:
hook_args: DecodeHookArgs namedtuple
Returns:
A list of tf.Summary values if hook_args.hparams contains the
reference file and the translated file. | tensor2tensor/data_generators/translate.py | def compute_bleu_summaries(hook_args):
"""Compute BLEU core summaries using the decoder output.
Args:
hook_args: DecodeHookArgs namedtuple
Returns:
A list of tf.Summary values if hook_args.hparams contains the
reference file and the translated file.
"""
decode_hparams = hook_args.decode_hparams
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Args:
hook_args: DecodeHookArgs namedtuple
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A list of tf.Summary values if hook_args.hparams contains the
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train | _preprocess_sgm | Preprocessing to strip tags in SGM files. | tensor2tensor/data_generators/translate.py | def _preprocess_sgm(line, is_sgm):
"""Preprocessing to strip tags in SGM files."""
if not is_sgm:
return line
# In SGM files, remove <srcset ...>, <p>, <doc ...> lines.
if line.startswith("<srcset") or line.startswith("</srcset"):
return ""
if line.startswith("<doc") or line.startswith("</doc"):
r... | def _preprocess_sgm(line, is_sgm):
"""Preprocessing to strip tags in SGM files."""
if not is_sgm:
return line
# In SGM files, remove <srcset ...>, <p>, <doc ...> lines.
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train | compile_data | Concatenates all `datasets` and saves to `filename`. | tensor2tensor/data_generators/translate.py | def compile_data(tmp_dir, datasets, filename, datatypes_to_clean=None):
"""Concatenates all `datasets` and saves to `filename`."""
datatypes_to_clean = datatypes_to_clean or []
filename = os.path.join(tmp_dir, filename)
lang1_fname = filename + ".lang1"
lang2_fname = filename + ".lang2"
if tf.gfile.Exists(l... | def compile_data(tmp_dir, datasets, filename, datatypes_to_clean=None):
"""Concatenates all `datasets` and saves to `filename`."""
datatypes_to_clean = datatypes_to_clean or []
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train | TranslateDistillProblem.get_or_create_vocab | Get vocab for distill problems. | tensor2tensor/data_generators/translate.py | def get_or_create_vocab(self, data_dir, tmp_dir, force_get=False):
"""Get vocab for distill problems."""
# We assume that vocab file is present in data_dir directory where the
# data generated will be stored.
vocab_filepath = os.path.join(data_dir, self.vocab_filename)
encoder = text_encoder.Subword... | def get_or_create_vocab(self, data_dir, tmp_dir, force_get=False):
"""Get vocab for distill problems."""
# We assume that vocab file is present in data_dir directory where the
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vocab_filepath = os.path.join(data_dir, self.vocab_filename)
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train | set_hparams_from_args | Set hparams overrides from unparsed args list. | tensor2tensor/bin/t2t_trainer.py | def set_hparams_from_args(args):
"""Set hparams overrides from unparsed args list."""
if not args:
return
hp_prefix = "--hp_"
tf.logging.info("Found unparsed command-line arguments. Checking if any "
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train | create_hparams | Create hparams. | tensor2tensor/bin/t2t_trainer.py | def create_hparams():
"""Create hparams."""
if FLAGS.use_tpu and "tpu" not in FLAGS.hparams_set:
tf.logging.warn("Not all hyperparameter sets work on TPU. "
"Prefer hparams_sets with a '_tpu' suffix, "
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hparams_path =... | def create_hparams():
"""Create hparams."""
if FLAGS.use_tpu and "tpu" not in FLAGS.hparams_set:
tf.logging.warn("Not all hyperparameter sets work on TPU. "
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train | create_run_config | Create a run config.
Args:
hp: model hyperparameters
output_dir: model's output directory, defaults to output_dir flag.
Returns:
a run config | tensor2tensor/bin/t2t_trainer.py | def create_run_config(hp, output_dir=None):
"""Create a run config.
Args:
hp: model hyperparameters
output_dir: model's output directory, defaults to output_dir flag.
Returns:
a run config
"""
save_ckpt_steps = max(FLAGS.iterations_per_loop, FLAGS.local_eval_frequency)
save_ckpt_secs = FLAGS.s... | def create_run_config(hp, output_dir=None):
"""Create a run config.
Args:
hp: model hyperparameters
output_dir: model's output directory, defaults to output_dir flag.
Returns:
a run config
"""
save_ckpt_steps = max(FLAGS.iterations_per_loop, FLAGS.local_eval_frequency)
save_ckpt_secs = FLAGS.s... | [
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train | save_metadata | Saves FLAGS and hparams to output_dir. | tensor2tensor/bin/t2t_trainer.py | def save_metadata(hparams):
"""Saves FLAGS and hparams to output_dir."""
output_dir = os.path.expanduser(FLAGS.output_dir)
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# Save FLAGS in txt file
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t2t_f... | def save_metadata(hparams):
"""Saves FLAGS and hparams to output_dir."""
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# Save FLAGS in txt file
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flags_str = FLAGS.flags_into_string()
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train | residual_block | A stack of convolution blocks with residual connection. | tensor2tensor/models/xception.py | def residual_block(x, hparams):
"""A stack of convolution blocks with residual connection."""
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"""A stack of convolution blocks with residual connection."""
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train | xception_internal | Xception body. | tensor2tensor/models/xception.py | def xception_internal(inputs, hparams):
"""Xception body."""
with tf.variable_scope("xception"):
cur = inputs
if cur.get_shape().as_list()[1] > 200:
# Large image, Xception entry flow
cur = xception_entry(cur, hparams.hidden_size)
else:
# Small image, conv
cur = common_layers.co... | def xception_internal(inputs, hparams):
"""Xception body."""
with tf.variable_scope("xception"):
cur = inputs
if cur.get_shape().as_list()[1] > 200:
# Large image, Xception entry flow
cur = xception_entry(cur, hparams.hidden_size)
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# Small image, conv
cur = common_layers.co... | [
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train | xception_entry | Xception entry flow. | tensor2tensor/models/xception.py | def xception_entry(inputs, hidden_dim):
"""Xception entry flow."""
with tf.variable_scope("xception_entry"):
def xnet_resblock(x, filters, res_relu, name):
"""Resblock."""
with tf.variable_scope(name):
y = common_layers.separable_conv_block(
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filters, [((1, 1), (3,... | def xception_entry(inputs, hidden_dim):
"""Xception entry flow."""
with tf.variable_scope("xception_entry"):
def xnet_resblock(x, filters, res_relu, name):
"""Resblock."""
with tf.variable_scope(name):
y = common_layers.separable_conv_block(
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filters, [((1, 1), (3,... | [
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train | xception_exit | Xception exit flow. | tensor2tensor/models/xception.py | def xception_exit(inputs):
"""Xception exit flow."""
with tf.variable_scope("xception_exit"):
x = inputs
x_shape = x.get_shape().as_list()
if x_shape[1] is None or x_shape[2] is None:
length_float = tf.to_float(tf.shape(x)[1])
length_float *= tf.to_float(tf.shape(x)[2])
spatial_dim_flo... | def xception_exit(inputs):
"""Xception exit flow."""
with tf.variable_scope("xception_exit"):
x = inputs
x_shape = x.get_shape().as_list()
if x_shape[1] is None or x_shape[2] is None:
length_float = tf.to_float(tf.shape(x)[1])
length_float *= tf.to_float(tf.shape(x)[2])
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train | get_text_from_html | Returns a plaintext representation of HTML content. | tensor2tensor/data_generators/wikisum/html.py | def get_text_from_html(html):
"""Returns a plaintext representation of HTML content."""
try:
soup = bs4.BeautifulSoup(html, "html.parser")
except: # pylint: disable=bare-except
# Some docs don't parse
return ""
# Remove script and style tags
for s in soup(["script", "style"]):
s.decompose()
... | def get_text_from_html(html):
"""Returns a plaintext representation of HTML content."""
try:
soup = bs4.BeautifulSoup(html, "html.parser")
except: # pylint: disable=bare-except
# Some docs don't parse
return ""
# Remove script and style tags
for s in soup(["script", "style"]):
s.decompose()
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train | _soup_strings | Return text strings in soup. | tensor2tensor/data_generators/wikisum/html.py | def _soup_strings(soup):
"""Return text strings in soup."""
paragraph_tags = set([
"caption", "details", "h1", "h2", "h3", "h4", "h5", "h6", "li", "p", "td",
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skip_children = None
for descendant in soup.descendants:
# If we've treated a tag as a contiguous paragraph, don't re-... | def _soup_strings(soup):
"""Return text strings in soup."""
paragraph_tags = set([
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skip_children = None
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train | image_transformer_base | Set of hyperparameters. | tensor2tensor/models/image_transformer.py | def image_transformer_base():
"""Set of hyperparameters."""
hparams = common_hparams.basic_params1()
hparams.hidden_size = 512
hparams.batch_size = 4
hparams.max_length = 3075
hparams.dropout = 0.0
hparams.clip_grad_norm = 0. # i.e. no gradient clipping
hparams.optimizer_adam_epsilon = 1e-9
hparams.l... | def image_transformer_base():
"""Set of hyperparameters."""
hparams = common_hparams.basic_params1()
hparams.hidden_size = 512
hparams.batch_size = 4
hparams.max_length = 3075
hparams.dropout = 0.0
hparams.clip_grad_norm = 0. # i.e. no gradient clipping
hparams.optimizer_adam_epsilon = 1e-9
hparams.l... | [
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train | imagetransformer_cifar10_base | Best config for 2.90 bits/dim on CIFAR10 using cross entropy. | tensor2tensor/models/image_transformer.py | def imagetransformer_cifar10_base():
"""Best config for 2.90 bits/dim on CIFAR10 using cross entropy."""
hparams = image_transformer_base()
hparams.batch_size = 4
hparams.num_heads = 4
hparams.num_decoder_layers = 12
hparams.block_length = 256
hparams.hidden_size = 512
hparams.filter_size = 2048
hpara... | def imagetransformer_cifar10_base():
"""Best config for 2.90 bits/dim on CIFAR10 using cross entropy."""
hparams = image_transformer_base()
hparams.batch_size = 4
hparams.num_heads = 4
hparams.num_decoder_layers = 12
hparams.block_length = 256
hparams.hidden_size = 512
hparams.filter_size = 2048
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train | imagetransformer_cifar10_base_dmol | Best config for 2.90 bits/dim on CIFAR10 using DMOL. | tensor2tensor/models/image_transformer.py | def imagetransformer_cifar10_base_dmol():
"""Best config for 2.90 bits/dim on CIFAR10 using DMOL."""
hparams = image_transformer_base()
hparams.likelihood = cia.DistributionType.DMOL
hparams.num_channels = 1
hparams.bottom["targets"] = modalities.image_channel_compress_targets_bottom
hparams.top["targets"] ... | def imagetransformer_cifar10_base_dmol():
"""Best config for 2.90 bits/dim on CIFAR10 using DMOL."""
hparams = image_transformer_base()
hparams.likelihood = cia.DistributionType.DMOL
hparams.num_channels = 1
hparams.bottom["targets"] = modalities.image_channel_compress_targets_bottom
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train | imagetransformer_base_tpu | Transformer base params for cifar-10. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_tpu():
"""Transformer base params for cifar-10."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length = 128
... | def imagetransformer_base_tpu():
"""Transformer base params for cifar-10."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length = 128
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train | imagetransformer_base_imagenet_tpu | Transformer base params for cifar-10. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_imagenet_tpu():
"""Transformer base params for cifar-10."""
hparams = imagetransformer_base_tpu()
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length = 128
hparams.layer_preprocess_sequence = "none"
hp... | def imagetransformer_base_imagenet_tpu():
"""Transformer base params for cifar-10."""
hparams = imagetransformer_base_tpu()
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length = 128
hparams.layer_preprocess_sequence = "none"
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train | imagetransformer_sep_channels | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.num_heads = 4
hparams.attention_key_channels = hparams.attention_value_channels = 0
hparams.hidden_size = 256
hparams.filter_size = 512
hparams.num_hidden_layers = 6
return hparams | def imagetransformer_sep_channels():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.num_heads = 4
hparams.attention_key_channels = hparams.attention_value_channels = 0
hparams.hidden_size = 256
hparams.filter_size = 512
hparams.num_hidden_layers = 6
return hparams | [
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train | imagetransformer_sep_channels_8l | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_8l():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.num_heads = 4
hparams.attention_key_channels = hparams.attention_value_channels = 0
hparams.hidden_size = 256
hparams.filter_size = 256
hparams.num_hidden_layers = 8
hparams.sampling_method =... | def imagetransformer_sep_channels_8l():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.num_heads = 4
hparams.attention_key_channels = hparams.attention_value_channels = 0
hparams.hidden_size = 256
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train | imagetransformer_base_8l_8h_big_cond_dr03_dan | big 1d model for conditional image generation.2.99 on cifar10. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_8l_8h_big_cond_dr03_dan():
"""big 1d model for conditional image generation.2.99 on cifar10."""
hparams = imagetransformer_sep_channels_8l()
hparams.block_width = 256
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hparams.hidden_size = 512
hparams.num_heads = 8
hparams.filter_size = 2048
hparams.b... | def imagetransformer_base_8l_8h_big_cond_dr03_dan():
"""big 1d model for conditional image generation.2.99 on cifar10."""
hparams = imagetransformer_sep_channels_8l()
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train | imagetransformer_base_10l_8h_big_uncond_dr03_dan_64 | big 1d model for unconditional generation on imagenet. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_10l_8h_big_uncond_dr03_dan_64():
"""big 1d model for unconditional generation on imagenet."""
hparams = imagetransformer_base_10l_8h_big_cond_dr03_dan()
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hparams.max_length = 14000
hparams.batch_size = 1
hparams.img_len = 64
hparams.layer_prepostproces... | def imagetransformer_base_10l_8h_big_uncond_dr03_dan_64():
"""big 1d model for unconditional generation on imagenet."""
hparams = imagetransformer_base_10l_8h_big_cond_dr03_dan()
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hparams.batch_size = 1
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train | imagetransformerpp_sep_channels_8l_8h | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformerpp_sep_channels_8l_8h():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.likelihood = cia.DistributionType.DMOL
hparams.num_channels = 1
hparams.bottom["targets"] = modalities.image_channel_compress_targets_bottom
hparams.top["targets"] = modalities.identity_top
... | def imagetransformerpp_sep_channels_8l_8h():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.likelihood = cia.DistributionType.DMOL
hparams.num_channels = 1
hparams.bottom["targets"] = modalities.image_channel_compress_targets_bottom
hparams.top["targets"] = modalities.identity_top
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train | imagetransformerpp_base_8l_8h_big_cond_dr03_dan | big 1d model for conditional image generation.2.99 on cifar10. | tensor2tensor/models/image_transformer.py | def imagetransformerpp_base_8l_8h_big_cond_dr03_dan():
"""big 1d model for conditional image generation.2.99 on cifar10."""
hparams = imagetransformerpp_sep_channels_8l_8h()
hparams.hidden_size = 512
hparams.num_heads = 8
hparams.filter_size = 2048
hparams.batch_size = 4
hparams.max_length = 3075
hparam... | def imagetransformerpp_base_8l_8h_big_cond_dr03_dan():
"""big 1d model for conditional image generation.2.99 on cifar10."""
hparams = imagetransformerpp_sep_channels_8l_8h()
hparams.hidden_size = 512
hparams.num_heads = 8
hparams.filter_size = 2048
hparams.batch_size = 4
hparams.max_length = 3075
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train | imagetransformerpp_base_14l_8h_big_uncond_dr03_dan_p | Gets to 2.92 in just under 4 days on 8 p100s. | tensor2tensor/models/image_transformer.py | def imagetransformerpp_base_14l_8h_big_uncond_dr03_dan_p():
"""Gets to 2.92 in just under 4 days on 8 p100s."""
hparams = imagetransformerpp_base_12l_8h_big_uncond_dr03_dan_l()
hparams.num_decoder_layers = 14
hparams.batch_size = 8
hparams.layer_prepostprocess_dropout = 0.2
return hparams | def imagetransformerpp_base_14l_8h_big_uncond_dr03_dan_p():
"""Gets to 2.92 in just under 4 days on 8 p100s."""
hparams = imagetransformerpp_base_12l_8h_big_uncond_dr03_dan_l()
hparams.num_decoder_layers = 14
hparams.batch_size = 8
hparams.layer_prepostprocess_dropout = 0.2
return hparams | [
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train | imagetransformerpp_base_5l_8h_big_uncond_dr00_dan_g_bs1 | For 256x256. | tensor2tensor/models/image_transformer.py | def imagetransformerpp_base_5l_8h_big_uncond_dr00_dan_g_bs1():
"""For 256x256."""
hparams = imagetransformerpp_base_10l_8h_big_uncond_dr03_dan_g()
# TODO(trandustin): I forgot to set this in the runs! Maybe it's not used in
# image transformer training implementation?
# hparams.img_len = 256
hparams.max_len... | def imagetransformerpp_base_5l_8h_big_uncond_dr00_dan_g_bs1():
"""For 256x256."""
hparams = imagetransformerpp_base_10l_8h_big_uncond_dr03_dan_g()
# TODO(trandustin): I forgot to set this in the runs! Maybe it's not used in
# image transformer training implementation?
# hparams.img_len = 256
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train | imagetransformer_base_8l_8h_big_cond_dr03_dan_dilated | Dilated hparams. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_8l_8h_big_cond_dr03_dan_dilated():
"""Dilated hparams."""
hparams = imagetransformer_base_8l_8h_big_cond_dr03_dan()
hparams.gap_sizes = [0, 16, 64, 0, 16, 64, 128, 0]
hparams.dec_attention_type = cia.AttentionType.DILATED
hparams.block_length = 128
hparams.block_width = 128
hpara... | def imagetransformer_base_8l_8h_big_cond_dr03_dan_dilated():
"""Dilated hparams."""
hparams = imagetransformer_base_8l_8h_big_cond_dr03_dan()
hparams.gap_sizes = [0, 16, 64, 0, 16, 64, 128, 0]
hparams.dec_attention_type = cia.AttentionType.DILATED
hparams.block_length = 128
hparams.block_width = 128
hpara... | [
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train | imagetransformer_base_12l_8h_big | big 1d model for conditional image generation. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_12l_8h_big():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_sep_channels_8l_8h()
hparams.filter_size = 1024
hparams.num_decoder_layers = 12
hparams.batch_size = 1
hparams.hidden_size = 512
hparams.learning_rate_warmup_steps = 4000
hparams.sampl... | def imagetransformer_base_12l_8h_big():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_sep_channels_8l_8h()
hparams.filter_size = 1024
hparams.num_decoder_layers = 12
hparams.batch_size = 1
hparams.hidden_size = 512
hparams.learning_rate_warmup_steps = 4000
hparams.sampl... | [
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train | imagetransformer1d_base_8l_64by64 | hparams fo 12 layer big 1d model for imagenet 64x64. | tensor2tensor/models/image_transformer.py | def imagetransformer1d_base_8l_64by64():
"""hparams fo 12 layer big 1d model for imagenet 64x64."""
hparams = image_transformer_base()
hparams.num_heads = 8
hparams.hidden_size = 512
hparams.filter_size = 2048
hparams.num_decoder_layers = 8
hparams.batch_size = 1
hparams.block_length = 512
hparams.blo... | def imagetransformer1d_base_8l_64by64():
"""hparams fo 12 layer big 1d model for imagenet 64x64."""
hparams = image_transformer_base()
hparams.num_heads = 8
hparams.hidden_size = 512
hparams.filter_size = 2048
hparams.num_decoder_layers = 8
hparams.batch_size = 1
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train | imagetransformer_sep_channels_12l_16h_imagenet_large | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_12l_16h_imagenet_large():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_8l_8h()
hparams.num_hidden_layers = 12
hparams.batch_size = 1
hparams.filter_size = 2048
hparams.num_heads = 16
hparams.learning_rate_warmup_steps = 16000
hparams.sampling_m... | def imagetransformer_sep_channels_12l_16h_imagenet_large():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_8l_8h()
hparams.num_hidden_layers = 12
hparams.batch_size = 1
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hparams.num_heads = 16
hparams.learning_rate_warmup_steps = 16000
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train | imagetransformer_sep_channels_16l_16h_imgnet_lrg_loc | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_16l_16h_imgnet_lrg_loc():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_12l_16h_imagenet_large()
hparams.num_hidden_layers = 16
hparams.local_attention = True
hparams.batch_size = 1
hparams.block_length = 256
return hparams | def imagetransformer_sep_channels_16l_16h_imgnet_lrg_loc():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_12l_16h_imagenet_large()
hparams.num_hidden_layers = 16
hparams.local_attention = True
hparams.batch_size = 1
hparams.block_length = 256
return hparams | [
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train | imagetransformer_sep_channels_16l_16h_imgnet_lrg_loc_128 | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_16l_16h_imgnet_lrg_loc_128():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_12l_16h_imagenet_large()
hparams.num_hidden_layers = 16
hparams.local_attention = True
hparams.batch_size = 1
hparams.block_length = 128
return hparams | def imagetransformer_sep_channels_16l_16h_imgnet_lrg_loc_128():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_12l_16h_imagenet_large()
hparams.num_hidden_layers = 16
hparams.local_attention = True
hparams.batch_size = 1
hparams.block_length = 128
return hparams | [
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train | imagetransformer_base_10l_16h_big_uncond_dr01_imgnet | big 1d model for conditional image generation. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_10l_16h_big_uncond_dr01_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_14l_8h_big_dr01()
# num_hidden_layers
hparams.num_decoder_layers = 10
hparams.num_heads = 16
hparams.hidden_size = 1024
hparams.filter_size = 4096
hparams.batc... | def imagetransformer_base_10l_16h_big_uncond_dr01_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_14l_8h_big_dr01()
# num_hidden_layers
hparams.num_decoder_layers = 10
hparams.num_heads = 16
hparams.hidden_size = 1024
hparams.filter_size = 4096
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train | imagetransformer_base_10l_16h_big_dr01_imgnet | big 1d model for conditional image generation. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_10l_16h_big_dr01_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_14l_8h_big_dr01()
# num_hidden_layers
hparams.num_decoder_layers = 10
hparams.num_heads = 16
hparams.hidden_size = 1024
hparams.filter_size = 4096
hparams.batch_size ... | def imagetransformer_base_10l_16h_big_dr01_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_14l_8h_big_dr01()
# num_hidden_layers
hparams.num_decoder_layers = 10
hparams.num_heads = 16
hparams.hidden_size = 1024
hparams.filter_size = 4096
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train | imagetransformer_sep_channels_8l_8h | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_8l_8h():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.num_heads = 8
hparams.batch_size = 1
hparams.attention_key_channels = hparams.attention_value_channels = 0
hparams.hidden_size = 512
hparams.filter_size = 512
hparams.num_hidden_layers = 8... | def imagetransformer_sep_channels_8l_8h():
"""separate rgb embeddings."""
hparams = imagetransformer_base()
hparams.num_heads = 8
hparams.batch_size = 1
hparams.attention_key_channels = hparams.attention_value_channels = 0
hparams.hidden_size = 512
hparams.filter_size = 512
hparams.num_hidden_layers = 8... | [
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train | imagetransformer_sep_channels_8l_8h_local_and_global_att | separate rgb embeddings. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_8l_8h_local_and_global_att():
"""separate rgb embeddings."""
hparams = imagetransformer_sep_channels_8l_8h()
hparams.num_heads = 8
hparams.batch_size = 1
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"""separate rgb embeddings."""
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train | imagetransformer_bas8l_8h_big_uncond_dr03_imgnet | big 1d model for conditional image generation. | tensor2tensor/models/image_transformer.py | def imagetransformer_bas8l_8h_big_uncond_dr03_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_14l_8h_big_dr01()
# num_hidden_layers
hparams.num_decoder_layers = 8
hparams.num_heads = 8
hparams.hidden_size = 512
hparams.filter_size = 2048
hparams.layer_prepo... | def imagetransformer_bas8l_8h_big_uncond_dr03_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_14l_8h_big_dr01()
# num_hidden_layers
hparams.num_decoder_layers = 8
hparams.num_heads = 8
hparams.hidden_size = 512
hparams.filter_size = 2048
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train | imagetransformer_base_10l_16h_big_dr01_moe_imgnet | big 1d model for conditional image generation. | tensor2tensor/models/image_transformer.py | def imagetransformer_base_10l_16h_big_dr01_moe_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_10l_16h_big_dr01_imgnet()
hparams.initializer = "orthogonal"
hparams.learning_rate_warmup_steps = 16000
hparams.add_hparam("moe_layers_decoder", "2,7") # Which layer i... | def imagetransformer_base_10l_16h_big_dr01_moe_imgnet():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_base_10l_16h_big_dr01_imgnet()
hparams.initializer = "orthogonal"
hparams.learning_rate_warmup_steps = 16000
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train | imagetransformer_moe_tiny | Set of hyperparameters for a very small imagetransformer with MoE. | tensor2tensor/models/image_transformer.py | def imagetransformer_moe_tiny():
"""Set of hyperparameters for a very small imagetransformer with MoE."""
hparams = imagetransformer_tiny()
hparams.hidden_size = 64
hparams.batch_size = 1
hparams.num_hidden_layers = 3
hparams.dec_attention_type = cia.AttentionType.MOE_LOCAL_1D
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"""Set of hyperparameters for a very small imagetransformer with MoE."""
hparams = imagetransformer_tiny()
hparams.hidden_size = 64
hparams.batch_size = 1
hparams.num_hidden_layers = 3
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train | imagetransformer_sep_channels_8l_tpu | Hparams for training imagetransformer on tpu. | tensor2tensor/models/image_transformer.py | def imagetransformer_sep_channels_8l_tpu():
"""Hparams for training imagetransformer on tpu."""
hparams = imagetransformer_sep_channels_8l()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.shared_embedding_and_softmax_weights = False
retu... | def imagetransformer_sep_channels_8l_tpu():
"""Hparams for training imagetransformer on tpu."""
hparams = imagetransformer_sep_channels_8l()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.shared_embedding_and_softmax_weights = False
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train | imagetransformer_b10l_4h_big_uncond_dr03_tpu | Small model for tpu cifar 10. | tensor2tensor/models/image_transformer.py | def imagetransformer_b10l_4h_big_uncond_dr03_tpu():
"""Small model for tpu cifar 10."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 10
hparams.block_len... | def imagetransformer_b10l_4h_big_uncond_dr03_tpu():
"""Small model for tpu cifar 10."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
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train | imagetransformer_b10l_dr03_moe_tpu | Moe tpu params. | tensor2tensor/models/image_transformer.py | def imagetransformer_b10l_dr03_moe_tpu():
"""Moe tpu params."""
hparams = imagetransformer_b10l_4h_big_uncond_dr03_tpu()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 10
hparams.layer_preprocess_sequence = "none"
... | def imagetransformer_b10l_dr03_moe_tpu():
"""Moe tpu params."""
hparams = imagetransformer_b10l_4h_big_uncond_dr03_tpu()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 10
hparams.layer_preprocess_sequence = "none"
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train | imagetransformer_b10l_4h_big_uncond_dr03_lr025_tpu | TPU related small model. | tensor2tensor/models/image_transformer.py | def imagetransformer_b10l_4h_big_uncond_dr03_lr025_tpu():
"""TPU related small model."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 10
hparams.learning... | def imagetransformer_b10l_4h_big_uncond_dr03_lr025_tpu():
"""TPU related small model."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
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hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
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train | imagetransformer_b12l_4h_b256_uncond_dr03_tpu | works very well on 4x4. | tensor2tensor/models/image_transformer.py | def imagetransformer_b12l_4h_b256_uncond_dr03_tpu():
"""works very well on 4x4."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length =... | def imagetransformer_b12l_4h_b256_uncond_dr03_tpu():
"""works very well on 4x4."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.num_heads = 4 # heads are expensive on tpu
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train | imagetransformer_b12l_4h_b256_uncond_dr03_rel_tpu | works very well on 4x4. | tensor2tensor/models/image_transformer.py | def imagetransformer_b12l_4h_b256_uncond_dr03_rel_tpu():
"""works very well on 4x4."""
hparams = imagetransformer_b12l_4h_b256_uncond_dr03_tpu()
hparams.shared_rel = True
hparams.dec_attention_type = cia.AttentionType.RELATIVE_LOCAL_1D
return hparams | def imagetransformer_b12l_4h_b256_uncond_dr03_rel_tpu():
"""works very well on 4x4."""
hparams = imagetransformer_b12l_4h_b256_uncond_dr03_tpu()
hparams.shared_rel = True
hparams.dec_attention_type = cia.AttentionType.RELATIVE_LOCAL_1D
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train | imagetransformer_cifar_tpu_range | Range of hyperparameters for vizier. | tensor2tensor/models/image_transformer.py | def imagetransformer_cifar_tpu_range(rhp):
"""Range of hyperparameters for vizier."""
# After starting from base, set intervals for some parameters.
rhp.set_float("learning_rate", 0.01, 1.0, scale=rhp.LOG_SCALE)
rhp.set_discrete("num_decoder_layers", [8, 10, 12, 14, 16])
rhp.set_discrete("hidden_size", [256, ... | def imagetransformer_cifar_tpu_range(rhp):
"""Range of hyperparameters for vizier."""
# After starting from base, set intervals for some parameters.
rhp.set_float("learning_rate", 0.01, 1.0, scale=rhp.LOG_SCALE)
rhp.set_discrete("num_decoder_layers", [8, 10, 12, 14, 16])
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train | imagetransformer_b12l_4h_b128_h512_uncond_dr01_im | TPU related imagenet model. | tensor2tensor/models/image_transformer.py | def imagetransformer_b12l_4h_b128_h512_uncond_dr01_im():
"""TPU related imagenet model."""
hparams = imagetransformer_b12l_4h_b256_uncond_dr03_tpu()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.optimizer = "Adafactor"
hparams.learning_rate_schedule = "rsqrt_decay"
hparams.learning_rate_w... | def imagetransformer_b12l_4h_b128_h512_uncond_dr01_im():
"""TPU related imagenet model."""
hparams = imagetransformer_b12l_4h_b256_uncond_dr03_tpu()
update_hparams_for_tpu(hparams)
hparams.batch_size = 4
hparams.optimizer = "Adafactor"
hparams.learning_rate_schedule = "rsqrt_decay"
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train | imagetransformer_b12l_4h_uncond_dr03_tpu | TPU related small model. | tensor2tensor/models/image_transformer.py | def imagetransformer_b12l_4h_uncond_dr03_tpu():
"""TPU related small model."""
hparams = imagetransformer_b12l_4h_b256_uncond_dr03_tpu()
hparams.learning_rate = 0.2
hparams.learning_rate_warmup_steps = 4000
hparams.layer_preprocess_sequence = "none"
hparams.layer_postprocess_sequence = "dan"
hparams.layer... | def imagetransformer_b12l_4h_uncond_dr03_tpu():
"""TPU related small model."""
hparams = imagetransformer_b12l_4h_b256_uncond_dr03_tpu()
hparams.learning_rate = 0.2
hparams.learning_rate_warmup_steps = 4000
hparams.layer_preprocess_sequence = "none"
hparams.layer_postprocess_sequence = "dan"
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train | imagetransformer_b12l_4h_b128_uncond_dr03_tpu | TPU config for cifar 10. | tensor2tensor/models/image_transformer.py | def imagetransformer_b12l_4h_b128_uncond_dr03_tpu():
"""TPU config for cifar 10."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 2
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length ... | def imagetransformer_b12l_4h_b128_uncond_dr03_tpu():
"""TPU config for cifar 10."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 2
hparams.num_heads = 4 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.block_length ... | [
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train | imagetransformer_b12l_8h_b256_uncond_dr03_tpu | TPU related 12 layer 8 heads model. | tensor2tensor/models/image_transformer.py | def imagetransformer_b12l_8h_b256_uncond_dr03_tpu():
"""TPU related 12 layer 8 heads model."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
update_hparams_for_tpu(hparams)
hparams.batch_size = 2
hparams.num_heads = 8 # heads are expensive on tpu
hparams.num_decoder_layers = 12
hparams.bl... | def imagetransformer_b12l_8h_b256_uncond_dr03_tpu():
"""TPU related 12 layer 8 heads model."""
hparams = imagetransformer_bas8l_8h_big_uncond_dr03_imgnet()
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hparams.num_heads = 8 # heads are expensive on tpu
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train | imagetransformer_b10l_4h_big_uncond_dr01_tpu | big 1d model for conditional image generation. | tensor2tensor/models/image_transformer.py | def imagetransformer_b10l_4h_big_uncond_dr01_tpu():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_b12l_4h_big_uncond_dr03_tpu()
# num_hidden_layers
hparams.num_decoder_layers = 10
hparams.num_heads = 4
hparams.hidden_size = 1024
hparams.filter_size = 4096
hparams.batch_... | def imagetransformer_b10l_4h_big_uncond_dr01_tpu():
"""big 1d model for conditional image generation."""
hparams = imagetransformer_b12l_4h_big_uncond_dr03_tpu()
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hparams.num_decoder_layers = 10
hparams.num_heads = 4
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train | Restarter.training_loop | Context manager wrapping the training loop, updates step counters. | tensor2tensor/rl/restarter.py | def training_loop(self):
"""Context manager wrapping the training loop, updates step counters."""
if not self.restarting:
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train | _read_words | Reads words from a file. | tensor2tensor/data_generators/ptb.py | def _read_words(filename):
"""Reads words from a file."""
with tf.gfile.GFile(filename, "r") as f:
if sys.version_info[0] >= 3:
return f.read().replace("\n", " %s " % EOS).split()
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return f.read().decode("utf-8").replace("\n", " %s " % EOS).split() | def _read_words(filename):
"""Reads words from a file."""
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if sys.version_info[0] >= 3:
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train | _build_vocab | Reads a file to build a vocabulary of `vocab_size` most common words.
The vocabulary is sorted by occurrence count and has one word per line.
Originally from:
https://github.com/tensorflow/models/blob/master/tutorials/rnn/ptb/reader.py
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vocab_path: pa... | tensor2tensor/data_generators/ptb.py | def _build_vocab(filename, vocab_path, vocab_size):
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The vocabulary is sorted by occurrence count and has one word per line.
Originally from:
https://github.com/tensorflow/models/blob/master/tutorials/rnn/ptb/reader.py
Args:
file... | def _build_vocab(filename, vocab_path, vocab_size):
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The vocabulary is sorted by occurrence count and has one word per line.
Originally from:
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train | _get_token_encoder | Reads from file and returns a `TokenTextEncoder` for the vocabulary. | tensor2tensor/data_generators/ptb.py | def _get_token_encoder(vocab_dir, vocab_name, filename):
"""Reads from file and returns a `TokenTextEncoder` for the vocabulary."""
vocab_path = os.path.join(vocab_dir, vocab_name)
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vocab_path = os.path.join(vocab_dir, vocab_name)
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train | _maybe_download_corpus | Download and unpack the corpus.
Args:
tmp_dir: directory containing dataset.
vocab_type: which vocabulary are we using.
Returns:
The list of names of files. | tensor2tensor/data_generators/ptb.py | def _maybe_download_corpus(tmp_dir, vocab_type):
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tmp_dir: directory containing dataset.
vocab_type: which vocabulary are we using.
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tmp_dir: directory containing dataset.
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train | resize | Normalize attention matrices and reshape as necessary. | tensor2tensor/visualization/attention.py | def resize(att_mat, max_length=None):
"""Normalize attention matrices and reshape as necessary."""
for i, att in enumerate(att_mat):
# Add extra batch dim for viz code to work.
if att.ndim == 3:
att = np.expand_dims(att, axis=0)
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train | _get_attention | Compute representation of the attention ready for the d3 visualization.
Args:
inp_text: list of strings, words to be displayed on the left of the vis
out_text: list of strings, words to be displayed on the right of the vis
enc_atts: numpy array, encoder self-attentions
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Args:
inp_text: list of strings, words to be displayed on the left of the vis
out_text: list of strings, words to be displayed on the right of the vis
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inp_text: list of strings, words to be displayed on the left of the vis
out_text: list of strings, words to be displayed on the right of the vis
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train | decode | Decode a list of tokens to a unicode string.
Args:
tokens: a list of Unicode strings
Returns:
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"""Decode a list of tokens to a unicode string.
Args:
tokens: a list of Unicode strings
Returns:
a unicode string
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token_is_alnum = [t[0] in _ALPHANUMERIC_CHAR_SET for t in tokens]
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tokens: a list of Unicode strings
Returns:
a unicode string
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token_is_alnum = [t[0] in _ALPHANUMERIC_CHAR_SET for t in tokens]
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train | _read_filepattern | Reads files matching a wildcard pattern, yielding the contents.
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filepattern: A wildcard pattern matching one or more files.
max_lines: If set, stop reading after reading this many lines.
split_on_newlines: A boolean. If true, then split files by lines and strip
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Args:
filepattern: A wildcard pattern matching one or more files.
max_lines: If set, stop reading after reading this many lines.
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filepattern: A wildcard pattern matching one or more files.
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train | corpus_token_counts | Read the corpus and compute a dictionary of token counts.
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corpus_max_lines: An integer; maximum total lines to read.
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text_filepattern: A pattern matching one or more files.
corpus_max_lines: An integer; maximum total lines to read.
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text_filepattern: A pattern matching one or more files.
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train | vocab_token_counts | Read a vocab file and return a dictionary of token counts.
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Args:
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train | _make_example | Make a tf.train.Example for the problem.
features[input_feature_name] = input_ids
Also fills in any other required features with dummy values.
Args:
input_ids: list<int>.
problem: Problem.
input_feature_name: name of feature for input_ids.
Returns:
tf.train.Example | tensor2tensor/serving/serving_utils.py | def _make_example(input_ids, problem, input_feature_name="inputs"):
"""Make a tf.train.Example for the problem.
features[input_feature_name] = input_ids
Also fills in any other required features with dummy values.
Args:
input_ids: list<int>.
problem: Problem.
input_feature_name: name of feature f... | def _make_example(input_ids, problem, input_feature_name="inputs"):
"""Make a tf.train.Example for the problem.
features[input_feature_name] = input_ids
Also fills in any other required features with dummy values.
Args:
input_ids: list<int>.
problem: Problem.
input_feature_name: name of feature f... | [
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train | make_grpc_request_fn | Wraps function to make grpc requests with runtime args. | tensor2tensor/serving/serving_utils.py | def make_grpc_request_fn(servable_name, server, timeout_secs):
"""Wraps function to make grpc requests with runtime args."""
stub = _create_stub(server)
def _make_grpc_request(examples):
"""Builds and sends request to TensorFlow model server."""
request = predict_pb2.PredictRequest()
request.model_sp... | def make_grpc_request_fn(servable_name, server, timeout_secs):
"""Wraps function to make grpc requests with runtime args."""
stub = _create_stub(server)
def _make_grpc_request(examples):
"""Builds and sends request to TensorFlow model server."""
request = predict_pb2.PredictRequest()
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train | make_cloud_mlengine_request_fn | Wraps function to make CloudML Engine requests with runtime args. | tensor2tensor/serving/serving_utils.py | def make_cloud_mlengine_request_fn(credentials, model_name, version):
"""Wraps function to make CloudML Engine requests with runtime args."""
def _make_cloud_mlengine_request(examples):
"""Builds and sends requests to Cloud ML Engine."""
api = discovery.build("ml", "v1", credentials=credentials)
parent... | def make_cloud_mlengine_request_fn(credentials, model_name, version):
"""Wraps function to make CloudML Engine requests with runtime args."""
def _make_cloud_mlengine_request(examples):
"""Builds and sends requests to Cloud ML Engine."""
api = discovery.build("ml", "v1", credentials=credentials)
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train | predict | Encodes inputs, makes request to deployed TF model, and decodes outputs. | tensor2tensor/serving/serving_utils.py | def predict(inputs_list, problem, request_fn):
"""Encodes inputs, makes request to deployed TF model, and decodes outputs."""
assert isinstance(inputs_list, list)
fname = "inputs" if problem.has_inputs else "targets"
input_encoder = problem.feature_info[fname].encoder
input_ids_list = [
_encode(inputs, ... | def predict(inputs_list, problem, request_fn):
"""Encodes inputs, makes request to deployed TF model, and decodes outputs."""
assert isinstance(inputs_list, list)
fname = "inputs" if problem.has_inputs else "targets"
input_encoder = problem.feature_info[fname].encoder
input_ids_list = [
_encode(inputs, ... | [
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train | next_frame_basic_recurrent | Basic 2-frame recurrent model with stochastic tower. | tensor2tensor/models/video/basic_recurrent.py | def next_frame_basic_recurrent():
"""Basic 2-frame recurrent model with stochastic tower."""
hparams = basic_stochastic.next_frame_basic_stochastic_discrete()
hparams.filter_double_steps = 2
hparams.hidden_size = 64
hparams.video_num_input_frames = 4
hparams.video_num_target_frames = 4
hparams.concat_inte... | def next_frame_basic_recurrent():
"""Basic 2-frame recurrent model with stochastic tower."""
hparams = basic_stochastic.next_frame_basic_stochastic_discrete()
hparams.filter_double_steps = 2
hparams.hidden_size = 64
hparams.video_num_input_frames = 4
hparams.video_num_target_frames = 4
hparams.concat_inte... | [
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train | create_teacher_experiment | Creates experiment function. | tensor2tensor/bin/t2t_distill.py | def create_teacher_experiment(run_config, hparams, argv):
"""Creates experiment function."""
tf.logging.info("training teacher")
tf.logging.set_verbosity(tf.logging.INFO)
trainer_lib.set_random_seed(FLAGS.random_seed)
usr_dir.import_usr_dir(FLAGS.t2t_usr_dir)
t2t_trainer.maybe_log_registry_and_exit()
if ... | def create_teacher_experiment(run_config, hparams, argv):
"""Creates experiment function."""
tf.logging.info("training teacher")
tf.logging.set_verbosity(tf.logging.INFO)
trainer_lib.set_random_seed(FLAGS.random_seed)
usr_dir.import_usr_dir(FLAGS.t2t_usr_dir)
t2t_trainer.maybe_log_registry_and_exit()
if ... | [
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] | tensorflow/tensor2tensor | python | https://github.com/tensorflow/tensor2tensor/blob/272500b6efe353aeb638d2745ed56e519462ca31/tensor2tensor/bin/t2t_distill.py#L91-L114 | [
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train | tabbed_parsing_token_generator | Generate source and target data from a single file. | tensor2tensor/data_generators/ice_parsing.py | def tabbed_parsing_token_generator(data_dir, tmp_dir, train, prefix,
source_vocab_size, target_vocab_size):
"""Generate source and target data from a single file."""
filename = "parsing_{0}.pairs".format("train" if train else "dev")
source_vocab = generator_utils.get_or_generate... | def tabbed_parsing_token_generator(data_dir, tmp_dir, train, prefix,
source_vocab_size, target_vocab_size):
"""Generate source and target data from a single file."""
filename = "parsing_{0}.pairs".format("train" if train else "dev")
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train | tabbed_parsing_character_generator | Generate source and target data from a single file. | tensor2tensor/data_generators/ice_parsing.py | def tabbed_parsing_character_generator(tmp_dir, train):
"""Generate source and target data from a single file."""
character_vocab = text_encoder.ByteTextEncoder()
filename = "parsing_{0}.pairs".format("train" if train else "dev")
pair_filepath = os.path.join(tmp_dir, filename)
return text_problems.text2text_g... | def tabbed_parsing_character_generator(tmp_dir, train):
"""Generate source and target data from a single file."""
character_vocab = text_encoder.ByteTextEncoder()
filename = "parsing_{0}.pairs".format("train" if train else "dev")
pair_filepath = os.path.join(tmp_dir, filename)
return text_problems.text2text_g... | [
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train | _make_list | Helper: make predictions and targets lists, check they match on length. | tensor2tensor/trax/trax.py | def _make_list(predictions, targets):
"""Helper: make predictions and targets lists, check they match on length."""
# Our models sometimes return predictions in lists, make it a list always.
# TODO(lukaszkaiser): make abstractions for nested structures and refactor.
if not isinstance(predictions, (list, tuple)... | def _make_list(predictions, targets):
"""Helper: make predictions and targets lists, check they match on length."""
# Our models sometimes return predictions in lists, make it a list always.
# TODO(lukaszkaiser): make abstractions for nested structures and refactor.
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train | masked_mean | Mean of the inputs but counting only those where targets != mask_id. | tensor2tensor/trax/trax.py | def masked_mean(inputs, targets, mask_id=None):
"""Mean of the inputs but counting only those where targets != mask_id."""
inputs = [x.astype(np.float32) for x in inputs]
# We assume all elements in the list contribute equally.
# TODO(lukaszkaiser): remove this assumption (e.g., when masks differ).
length = l... | def masked_mean(inputs, targets, mask_id=None):
"""Mean of the inputs but counting only those where targets != mask_id."""
inputs = [x.astype(np.float32) for x in inputs]
# We assume all elements in the list contribute equally.
# TODO(lukaszkaiser): remove this assumption (e.g., when masks differ).
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"... | 272500b6efe353aeb638d2745ed56e519462ca31 |
train | accuracy | Calculate accuracy. | tensor2tensor/trax/trax.py | def accuracy(batch, model_predictions):
"""Calculate accuracy."""
_, targets = batch
model_predictions, targets = _make_list(model_predictions, targets)
correct = []
for (prediction, target) in zip(model_predictions, targets):
predicted_class = np.argmax(prediction, axis=-1)
correct.append(np.equal(pr... | def accuracy(batch, model_predictions):
"""Calculate accuracy."""
_, targets = batch
model_predictions, targets = _make_list(model_predictions, targets)
correct = []
for (prediction, target) in zip(model_predictions, targets):
predicted_class = np.argmax(prediction, axis=-1)
correct.append(np.equal(pr... | [
"Calculate",
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"."
] | tensorflow/tensor2tensor | python | https://github.com/tensorflow/tensor2tensor/blob/272500b6efe353aeb638d2745ed56e519462ca31/tensor2tensor/trax/trax.py#L82-L90 | [
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train | neg_log_perplexity | Calculate negative log perplexity. | tensor2tensor/trax/trax.py | def neg_log_perplexity(batch, model_predictions):
"""Calculate negative log perplexity."""
_, targets = batch
model_predictions, targets = _make_list(model_predictions, targets)
xent = []
for (prediction, target) in zip(model_predictions, targets):
hot_target = layers.one_hot(target, prediction.shape[-1])... | def neg_log_perplexity(batch, model_predictions):
"""Calculate negative log perplexity."""
_, targets = batch
model_predictions, targets = _make_list(model_predictions, targets)
xent = []
for (prediction, target) in zip(model_predictions, targets):
hot_target = layers.one_hot(target, prediction.shape[-1])... | [
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train | loss | Calculate loss. | tensor2tensor/trax/trax.py | def loss(params, batch, model_predict, rng):
"""Calculate loss."""
inputs, targets = batch
predictions = model_predict(inputs, params, rng=rng)
predictions, targets = _make_list(predictions, targets)
xent = []
for (pred, target) in zip(predictions, targets):
xent.append(np.sum(pred * layers.one_hot(targ... | def loss(params, batch, model_predict, rng):
"""Calculate loss."""
inputs, targets = batch
predictions = model_predict(inputs, params, rng=rng)
predictions, targets = _make_list(predictions, targets)
xent = []
for (pred, target) in zip(predictions, targets):
xent.append(np.sum(pred * layers.one_hot(targ... | [
"Calculate",
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"."
] | tensorflow/tensor2tensor | python | https://github.com/tensorflow/tensor2tensor/blob/272500b6efe353aeb638d2745ed56e519462ca31/tensor2tensor/trax/trax.py#L104-L112 | [
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