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tensorflow/tensor2tensor | tensor2tensor/rl/gym_utils.py | make_gym_env | def make_gym_env(name,
rl_env_max_episode_steps=-1,
maxskip_env=False,
rendered_env=False,
rendered_env_resize_to=None,
sticky_actions=False):
"""Create a gym env optionally with a time limit and maxskip wrapper.
NOTE: The returne... | python | def make_gym_env(name,
rl_env_max_episode_steps=-1,
maxskip_env=False,
rendered_env=False,
rendered_env_resize_to=None,
sticky_actions=False):
"""Create a gym env optionally with a time limit and maxskip wrapper.
NOTE: The returne... | [
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tensorflow/tensor2tensor | tensor2tensor/rl/gym_utils.py | register_gym_env | def register_gym_env(class_entry_point, version="v0", kwargs=None):
"""Registers the class in Gym and returns the registered name and the env."""
split_on_colon = class_entry_point.split(":")
assert len(split_on_colon) == 2
class_name = split_on_colon[1]
# We have to add the version to conform to gym's API.... | python | def register_gym_env(class_entry_point, version="v0", kwargs=None):
"""Registers the class in Gym and returns the registered name and the env."""
split_on_colon = class_entry_point.split(":")
assert len(split_on_colon) == 2
class_name = split_on_colon[1]
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tensorflow/tensor2tensor | tensor2tensor/rl/gym_utils.py | MaxAndSkipEnv.step | def step(self, action):
"""Repeat action, sum reward, and max over last observations."""
total_reward = 0.0
done = None
for i in range(self._skip):
obs, reward, done, info = self.env.step(action)
if i == self._skip - 2:
self._obs_buffer[0] = obs
if i == self._skip - 1:
... | python | def step(self, action):
"""Repeat action, sum reward, and max over last observations."""
total_reward = 0.0
done = None
for i in range(self._skip):
obs, reward, done, info = self.env.step(action)
if i == self._skip - 2:
self._obs_buffer[0] = obs
if i == self._skip - 1:
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tensorflow/tensor2tensor | tensor2tensor/data_generators/all_problems.py | _handle_errors | def _handle_errors(errors):
"""Log out and possibly reraise errors during import."""
if not errors:
return
log_all = True # pylint: disable=unused-variable
err_msg = "T2T: skipped importing {num_missing} data_generators modules."
print(err_msg.format(num_missing=len(errors)))
for module, err in errors:... | python | def _handle_errors(errors):
"""Log out and possibly reraise errors during import."""
if not errors:
return
log_all = True # pylint: disable=unused-variable
err_msg = "T2T: skipped importing {num_missing} data_generators modules."
print(err_msg.format(num_missing=len(errors)))
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tensorflow/tensor2tensor | tensor2tensor/utils/hparams_lib.py | create_hparams | def create_hparams(hparams_set,
hparams_overrides_str="",
data_dir=None,
problem_name=None,
hparams_path=None):
"""Create HParams with data_dir and problem hparams, if kwargs provided."""
hparams = registry.hparams(hparams_set)
if hparams... | python | def create_hparams(hparams_set,
hparams_overrides_str="",
data_dir=None,
problem_name=None,
hparams_path=None):
"""Create HParams with data_dir and problem hparams, if kwargs provided."""
hparams = registry.hparams(hparams_set)
if hparams... | [
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tensorflow/tensor2tensor | tensor2tensor/utils/hparams_lib.py | create_hparams_from_json | def create_hparams_from_json(json_path, hparams=None):
"""Loading hparams from json; can also start from hparams if specified."""
tf.logging.info("Loading hparams from existing json %s" % json_path)
with tf.gfile.Open(json_path, "r") as f:
hparams_values = json.load(f)
# Prevent certain keys from overwrit... | python | def create_hparams_from_json(json_path, hparams=None):
"""Loading hparams from json; can also start from hparams if specified."""
tf.logging.info("Loading hparams from existing json %s" % json_path)
with tf.gfile.Open(json_path, "r") as f:
hparams_values = json.load(f)
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tensorflow/tensor2tensor | tensor2tensor/utils/hparams_lib.py | add_problem_hparams | def add_problem_hparams(hparams, problem_name_or_instance):
"""Add problem hparams for the problems."""
if isinstance(problem_name_or_instance, problem_lib.Problem):
problem = problem_name_or_instance
else:
problem = registry.problem(problem_name_or_instance)
p_hparams = problem.get_hparams(hparams)
h... | python | def add_problem_hparams(hparams, problem_name_or_instance):
"""Add problem hparams for the problems."""
if isinstance(problem_name_or_instance, problem_lib.Problem):
problem = problem_name_or_instance
else:
problem = registry.problem(problem_name_or_instance)
p_hparams = problem.get_hparams(hparams)
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tensorflow/tensor2tensor | tensor2tensor/data_generators/subject_verb_agreement.py | load_examples | def load_examples(tmp_dir, prop_train=0.09, prop_val=0.01):
"""Loads exampls from the tsv file.
Args:
tmp_dir: temp directory.
prop_train: proportion of the train data
prop_val: proportion of the validation data
Returns:
All examples in the dataset pluse train, test, and development splits.
"... | python | def load_examples(tmp_dir, prop_train=0.09, prop_val=0.01):
"""Loads exampls from the tsv file.
Args:
tmp_dir: temp directory.
prop_train: proportion of the train data
prop_val: proportion of the validation data
Returns:
All examples in the dataset pluse train, test, and development splits.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/cifar.py | _get_cifar | def _get_cifar(directory, url):
"""Download and extract CIFAR to directory unless it is there."""
filename = os.path.basename(url)
path = generator_utils.maybe_download(directory, filename, url)
tarfile.open(path, "r:gz").extractall(directory) | python | def _get_cifar(directory, url):
"""Download and extract CIFAR to directory unless it is there."""
filename = os.path.basename(url)
path = generator_utils.maybe_download(directory, filename, url)
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tensorflow/tensor2tensor | tensor2tensor/data_generators/cifar.py | cifar_generator | def cifar_generator(cifar_version, tmp_dir, training, how_many, start_from=0):
"""Image generator for CIFAR-10 and 100.
Args:
cifar_version: string; one of "cifar10" or "cifar100"
tmp_dir: path to temporary storage directory.
training: a Boolean; if true, we use the train set, otherwise the test set.
... | python | def cifar_generator(cifar_version, tmp_dir, training, how_many, start_from=0):
"""Image generator for CIFAR-10 and 100.
Args:
cifar_version: string; one of "cifar10" or "cifar100"
tmp_dir: path to temporary storage directory.
training: a Boolean; if true, we use the train set, otherwise the test set.
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_ppo_base | def rlmb_ppo_base():
"""HParams for PPO base."""
hparams = _rlmb_base()
ppo_params = dict(
base_algo="ppo",
base_algo_params="ppo_original_params",
# Number of real environments to train on simultaneously.
real_batch_size=1,
# Number of simulated environments to train on simultaneous... | python | def rlmb_ppo_base():
"""HParams for PPO base."""
hparams = _rlmb_base()
ppo_params = dict(
base_algo="ppo",
base_algo_params="ppo_original_params",
# Number of real environments to train on simultaneously.
real_batch_size=1,
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_dqn_base | def rlmb_dqn_base():
"""rlmb_dqn_base params."""
hparams = _rlmb_base()
simulated_rollout_length = 10
dqn_params = dict(
base_algo="dqn",
base_algo_params="dqn_original_params",
real_batch_size=1,
simulated_batch_size=16,
dqn_agent_generates_trainable_dones=False,
eval_batch_... | python | def rlmb_dqn_base():
"""rlmb_dqn_base params."""
hparams = _rlmb_base()
simulated_rollout_length = 10
dqn_params = dict(
base_algo="dqn",
base_algo_params="dqn_original_params",
real_batch_size=1,
simulated_batch_size=16,
dqn_agent_generates_trainable_dones=False,
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_ppo_quick | def rlmb_ppo_quick():
"""Base setting but quicker with only 2 epochs."""
hparams = rlmb_ppo_base()
hparams.epochs = 2
hparams.model_train_steps = 25000
hparams.ppo_epochs_num = 700
hparams.ppo_epoch_length = 50
return hparams | python | def rlmb_ppo_quick():
"""Base setting but quicker with only 2 epochs."""
hparams = rlmb_ppo_base()
hparams.epochs = 2
hparams.model_train_steps = 25000
hparams.ppo_epochs_num = 700
hparams.ppo_epoch_length = 50
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_base_stochastic | def rlmb_base_stochastic():
"""Base setting with a stochastic next-frame model."""
hparams = rlmb_base()
hparams.initial_epoch_train_steps_multiplier = 5
hparams.generative_model = "next_frame_basic_stochastic"
hparams.generative_model_params = "next_frame_basic_stochastic"
return hparams | python | def rlmb_base_stochastic():
"""Base setting with a stochastic next-frame model."""
hparams = rlmb_base()
hparams.initial_epoch_train_steps_multiplier = 5
hparams.generative_model = "next_frame_basic_stochastic"
hparams.generative_model_params = "next_frame_basic_stochastic"
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_base_stochastic_discrete | def rlmb_base_stochastic_discrete():
"""Base setting with stochastic discrete model."""
hparams = rlmb_base()
hparams.learning_rate_bump = 1.0
hparams.grayscale = False
hparams.generative_model = "next_frame_basic_stochastic_discrete"
hparams.generative_model_params = "next_frame_basic_stochastic_discrete"
... | python | def rlmb_base_stochastic_discrete():
"""Base setting with stochastic discrete model."""
hparams = rlmb_base()
hparams.learning_rate_bump = 1.0
hparams.grayscale = False
hparams.generative_model = "next_frame_basic_stochastic_discrete"
hparams.generative_model_params = "next_frame_basic_stochastic_discrete"
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_long_stochastic_discrete_simulation_deterministic_starts | def rlmb_long_stochastic_discrete_simulation_deterministic_starts():
"""Long setting with stochastic discrete model & deterministic sim starts."""
hparams = rlmb_base_stochastic_discrete()
hparams.generative_model_params = "next_frame_basic_stochastic_discrete_long"
hparams.ppo_epochs_num = 1000
hparams.simul... | python | def rlmb_long_stochastic_discrete_simulation_deterministic_starts():
"""Long setting with stochastic discrete model & deterministic sim starts."""
hparams = rlmb_base_stochastic_discrete()
hparams.generative_model_params = "next_frame_basic_stochastic_discrete_long"
hparams.ppo_epochs_num = 1000
hparams.simul... | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_long_stochastic_discrete_100steps | def rlmb_long_stochastic_discrete_100steps():
"""Long setting with stochastic discrete model, changed ppo steps."""
hparams = rlmb_long_stochastic_discrete()
hparams.ppo_epoch_length = 100
hparams.simulated_rollout_length = 100
hparams.simulated_batch_size = 8
return hparams | python | def rlmb_long_stochastic_discrete_100steps():
"""Long setting with stochastic discrete model, changed ppo steps."""
hparams = rlmb_long_stochastic_discrete()
hparams.ppo_epoch_length = 100
hparams.simulated_rollout_length = 100
hparams.simulated_batch_size = 8
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_long_stochastic_discrete_25steps | def rlmb_long_stochastic_discrete_25steps():
"""Long setting with stochastic discrete model, changed ppo steps."""
hparams = rlmb_long_stochastic_discrete()
hparams.ppo_epoch_length = 25
hparams.simulated_rollout_length = 25
hparams.simulated_batch_size = 32
return hparams | python | def rlmb_long_stochastic_discrete_25steps():
"""Long setting with stochastic discrete model, changed ppo steps."""
hparams = rlmb_long_stochastic_discrete()
hparams.ppo_epoch_length = 25
hparams.simulated_rollout_length = 25
hparams.simulated_batch_size = 32
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_base_stochastic_discrete_noresize | def rlmb_base_stochastic_discrete_noresize():
"""Base setting with stochastic discrete model."""
hparams = rlmb_base()
hparams.generative_model = "next_frame_basic_stochastic_discrete"
hparams.generative_model_params = "next_frame_basic_stochastic_discrete"
hparams.resize_height_factor = 1
hparams.resize_wi... | python | def rlmb_base_stochastic_discrete_noresize():
"""Base setting with stochastic discrete model."""
hparams = rlmb_base()
hparams.generative_model = "next_frame_basic_stochastic_discrete"
hparams.generative_model_params = "next_frame_basic_stochastic_discrete"
hparams.resize_height_factor = 1
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_base_sv2p | def rlmb_base_sv2p():
"""Base setting with sv2p as world model."""
hparams = rlmb_base()
hparams.learning_rate_bump = 1.0
hparams.generative_model = "next_frame_sv2p"
hparams.generative_model_params = "next_frame_sv2p_atari"
return hparams | python | def rlmb_base_sv2p():
"""Base setting with sv2p as world model."""
hparams = rlmb_base()
hparams.learning_rate_bump = 1.0
hparams.generative_model = "next_frame_sv2p"
hparams.generative_model_params = "next_frame_sv2p_atari"
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | _rlmb_tiny_overrides | def _rlmb_tiny_overrides():
"""Parameters to override for tiny setting excluding agent-related hparams."""
return dict(
epochs=1,
num_real_env_frames=128,
model_train_steps=2,
max_num_noops=1,
eval_max_num_noops=1,
generative_model_params="next_frame_tiny",
stop_loop_early=... | python | def _rlmb_tiny_overrides():
"""Parameters to override for tiny setting excluding agent-related hparams."""
return dict(
epochs=1,
num_real_env_frames=128,
model_train_steps=2,
max_num_noops=1,
eval_max_num_noops=1,
generative_model_params="next_frame_tiny",
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_ppo_tiny | def rlmb_ppo_tiny():
"""Tiny set for testing."""
hparams = rlmb_ppo_base()
hparams = hparams.override_from_dict(_rlmb_tiny_overrides())
update_hparams(hparams, dict(
ppo_epochs_num=2,
ppo_epoch_length=10,
real_ppo_epoch_length=36,
real_ppo_effective_num_agents=2,
real_batch_size=1,... | python | def rlmb_ppo_tiny():
"""Tiny set for testing."""
hparams = rlmb_ppo_base()
hparams = hparams.override_from_dict(_rlmb_tiny_overrides())
update_hparams(hparams, dict(
ppo_epochs_num=2,
ppo_epoch_length=10,
real_ppo_epoch_length=36,
real_ppo_effective_num_agents=2,
real_batch_size=1,... | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_dqn_tiny | def rlmb_dqn_tiny():
"""Tiny set for testing."""
hparams = rlmb_dqn_base()
hparams = hparams.override_from_dict(_rlmb_tiny_overrides())
update_hparams(hparams, dict(
simulated_rollout_length=2,
dqn_time_limit=2,
dqn_num_frames=128,
real_dqn_replay_buffer_replay_capacity=100,
dqn_re... | python | def rlmb_dqn_tiny():
"""Tiny set for testing."""
hparams = rlmb_dqn_base()
hparams = hparams.override_from_dict(_rlmb_tiny_overrides())
update_hparams(hparams, dict(
simulated_rollout_length=2,
dqn_time_limit=2,
dqn_num_frames=128,
real_dqn_replay_buffer_replay_capacity=100,
dqn_re... | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_tiny_stochastic | def rlmb_tiny_stochastic():
"""Tiny setting with a stochastic next-frame model."""
hparams = rlmb_ppo_tiny()
hparams.epochs = 1 # Too slow with 2 for regular runs.
hparams.generative_model = "next_frame_basic_stochastic"
hparams.generative_model_params = "next_frame_basic_stochastic"
return hparams | python | def rlmb_tiny_stochastic():
"""Tiny setting with a stochastic next-frame model."""
hparams = rlmb_ppo_tiny()
hparams.epochs = 1 # Too slow with 2 for regular runs.
hparams.generative_model = "next_frame_basic_stochastic"
hparams.generative_model_params = "next_frame_basic_stochastic"
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_tiny_recurrent | def rlmb_tiny_recurrent():
"""Tiny setting with a recurrent next-frame model."""
hparams = rlmb_ppo_tiny()
hparams.epochs = 1 # Too slow with 2 for regular runs.
hparams.generative_model = "next_frame_basic_recurrent"
hparams.generative_model_params = "next_frame_basic_recurrent"
return hparams | python | def rlmb_tiny_recurrent():
"""Tiny setting with a recurrent next-frame model."""
hparams = rlmb_ppo_tiny()
hparams.epochs = 1 # Too slow with 2 for regular runs.
hparams.generative_model = "next_frame_basic_recurrent"
hparams.generative_model_params = "next_frame_basic_recurrent"
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_tiny_sv2p | def rlmb_tiny_sv2p():
"""Tiny setting with a tiny sv2p model."""
hparams = rlmb_ppo_tiny()
hparams.generative_model = "next_frame_sv2p"
hparams.generative_model_params = "next_frame_sv2p_tiny"
hparams.grayscale = False
return hparams | python | def rlmb_tiny_sv2p():
"""Tiny setting with a tiny sv2p model."""
hparams = rlmb_ppo_tiny()
hparams.generative_model = "next_frame_sv2p"
hparams.generative_model_params = "next_frame_sv2p_tiny"
hparams.grayscale = False
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | rlmb_grid | def rlmb_grid(rhp):
"""Grid over games and frames, and 5 runs each for variance."""
rhp.set_categorical("loop.game", ["breakout", "pong", "freeway"])
base = 100000
medium = base // 2
small = medium // 2
rhp.set_discrete("loop.num_real_env_frames", [base, medium, small])
# Dummy parameter to get 5 runs fo... | python | def rlmb_grid(rhp):
"""Grid over games and frames, and 5 runs each for variance."""
rhp.set_categorical("loop.game", ["breakout", "pong", "freeway"])
base = 100000
medium = base // 2
small = medium // 2
rhp.set_discrete("loop.num_real_env_frames", [base, medium, small])
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | merge_unscoped_hparams | def merge_unscoped_hparams(scopes_and_hparams):
"""Merge multiple HParams into one with scopes."""
merged_values = {}
for (scope, hparams) in scopes_and_hparams:
for key, value in six.iteritems(hparams.values()):
scoped_key = "%s.%s" % (scope, key)
merged_values[scoped_key] = value
return hpara... | python | def merge_unscoped_hparams(scopes_and_hparams):
"""Merge multiple HParams into one with scopes."""
merged_values = {}
for (scope, hparams) in scopes_and_hparams:
for key, value in six.iteritems(hparams.values()):
scoped_key = "%s.%s" % (scope, key)
merged_values[scoped_key] = value
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | split_scoped_hparams | def split_scoped_hparams(scopes, merged_hparams):
"""Split single HParams with scoped keys into multiple."""
split_values = {scope: {} for scope in scopes}
merged_values = merged_hparams.values()
for scoped_key, value in six.iteritems(merged_values):
scope = scoped_key.split(".")[0]
key = scoped_key[len... | python | def split_scoped_hparams(scopes, merged_hparams):
"""Split single HParams with scoped keys into multiple."""
split_values = {scope: {} for scope in scopes}
merged_values = merged_hparams.values()
for scoped_key, value in six.iteritems(merged_values):
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tensorflow/tensor2tensor | tensor2tensor/rl/trainer_model_based_params.py | training_loop_hparams_from_scoped_overrides | def training_loop_hparams_from_scoped_overrides(scoped_overrides, trial_id):
"""Create HParams suitable for training loop from scoped HParams.
Args:
scoped_overrides: HParams, with keys all scoped by one of HP_SCOPES. These
parameters are overrides for the base HParams created by
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | PlayerEnv.get_keys_to_action | def get_keys_to_action(self):
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Returns:
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# Based on gym AtariEnv.get_keys_to_actio... | python | def get_keys_to_action(self):
"""Get mapping from keyboard keys to actions.
Required by gym.utils.play in environment or top level wrapper.
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{
Unicode code point for keyboard key: action (formatted for step()),
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | PlayerEnv.step | def step(self, action):
"""Pass action to underlying environment(s) or perform special action."""
# Special codes
if action in self._player_actions():
envs_step_tuples = self._player_actions()[action]()
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# Ignore no-op, do not pas... | python | def step(self, action):
"""Pass action to underlying environment(s) or perform special action."""
# Special codes
if action in self._player_actions():
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | PlayerEnv._augment_observation | def _augment_observation(self, ob, reward, cumulative_reward):
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ob: observation
reward: reward to be included in header.
cumulative_reward: total cumulated reward to be included in header.
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | SimAndRealEnvPlayer._player_step_tuple | def _player_step_tuple(self, envs_step_tuples):
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Args:
envs_step_tuples: tuples.
Returns:
Step tuple: ob, reward, done, info
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | SimAndRealEnvPlayer.reset | def reset(self):
"""Reset simulated and real environments."""
self._frame_counter = 0
ob_real = self.real_env.reset()
# Initialize simulated environment with frames from real one.
self.sim_env.add_to_initial_stack(ob_real)
for _ in range(3):
ob_real, _, _, _ = self.real_env.step(self.name_... | python | def reset(self):
"""Reset simulated and real environments."""
self._frame_counter = 0
ob_real = self.real_env.reset()
# Initialize simulated environment with frames from real one.
self.sim_env.add_to_initial_stack(ob_real)
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | SimAndRealEnvPlayer._step_envs | def _step_envs(self, action):
"""Perform step(action) on environments and update initial_frame_stack."""
self._frame_counter += 1
real_env_step_tuple = self.real_env.step(action)
sim_env_step_tuple = self.sim_env.step(action)
self.sim_env.add_to_initial_stack(real_env_step_tuple[0])
return self.... | python | def _step_envs(self, action):
"""Perform step(action) on environments and update initial_frame_stack."""
self._frame_counter += 1
real_env_step_tuple = self.real_env.step(action)
sim_env_step_tuple = self.sim_env.step(action)
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tensorflow/tensor2tensor | tensor2tensor/rl/player.py | SingleEnvPlayer._player_step_tuple | def _player_step_tuple(self, envs_step_tuples):
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ob, reward, done, info = envs_step_tuples["env"]
ob = self._augment_observation(ob, reward, self.cumulative_reward)
return ob, reward, done, info | python | def _player_step_tuple(self, envs_step_tuples):
"""Augment observation, return usual step tuple."""
ob, reward, done, info = envs_step_tuples["env"]
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tensorflow/tensor2tensor | tensor2tensor/layers/common_audio.py | add_delta_deltas | def add_delta_deltas(filterbanks, name=None):
"""Compute time first and second-order derivative channels.
Args:
filterbanks: float32 tensor with shape [batch_size, len, num_bins, 1]
name: scope name
Returns:
float32 tensor with shape [batch_size, len, num_bins, 3]
"""
delta_filter = np.array([2,... | python | def add_delta_deltas(filterbanks, name=None):
"""Compute time first and second-order derivative channels.
Args:
filterbanks: float32 tensor with shape [batch_size, len, num_bins, 1]
name: scope name
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float32 tensor with shape [batch_size, len, num_bins, 3]
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tensorflow/tensor2tensor | tensor2tensor/layers/common_audio.py | compute_mel_filterbank_features | def compute_mel_filterbank_features(
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sample_rate=16000, dither=1.0 / np.iinfo(np.int16).max, preemphasis=0.97,
frame_length=25, frame_step=10, fft_length=None,
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tensorflow/tensor2tensor | tensor2tensor/envs/env_problem_utils.py | play_env_problem_randomly | def play_env_problem_randomly(env_problem,
num_steps):
"""Plays the env problem by randomly sampling actions for `num_steps`."""
# Reset all environments.
env_problem.reset()
# Play all environments, sampling random actions each time.
for _ in range(num_steps):
# Sample batc... | python | def play_env_problem_randomly(env_problem,
num_steps):
"""Plays the env problem by randomly sampling actions for `num_steps`."""
# Reset all environments.
env_problem.reset()
# Play all environments, sampling random actions each time.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/cipher.py | generate_plaintext_random | def generate_plaintext_random(plain_vocab, distribution, train_samples,
length):
"""Generates samples of text from the provided vocabulary.
Args:
plain_vocab: vocabulary.
distribution: distribution.
train_samples: samples for training.
length: length.
Returns:
t... | python | def generate_plaintext_random(plain_vocab, distribution, train_samples,
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plain_vocab: vocabulary.
distribution: distribution.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/cipher.py | encipher_shift | def encipher_shift(plaintext, plain_vocab, shift):
"""Encrypt plain text with a single shift layer.
Args:
plaintext (list of list of Strings): a list of plain text to encrypt.
plain_vocab (list of Integer): unique vocabularies being used.
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"""Encrypt plain text with a single shift layer.
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plaintext (list of list of Strings): a list of plain text to encrypt.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/cipher.py | encipher_vigenere | def encipher_vigenere(plaintext, plain_vocab, key):
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plaintext (list of list of Strings): a list of plain text to encrypt.
plain_vocab (list of Integer): unique vocabularies being used.
key (list of Integer): key to encrypt cipher using Vigenere table.
Retu... | python | def encipher_vigenere(plaintext, plain_vocab, key):
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plaintext (list of list of Strings): a list of plain text to encrypt.
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tensorflow/tensor2tensor | tensor2tensor/models/research/super_lm.py | _super_stack | def _super_stack(inputs,
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Args:
inputs: a list of Tensors
attention_bias: list of bias Tensor for self-attention
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... | python | def _super_stack(inputs,
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hparams,
mp,
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inputs: a list of Tensors
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tensorflow/tensor2tensor | tensor2tensor/models/research/super_lm.py | super_lm_base | def super_lm_base():
"""Set of hyperparameters."""
hparams = common_hparams.basic_params1()
hparams.hidden_size = 512
hparams.moe_hidden_sizes = "512"
hparams.batch_size = 16384
hparams.max_length = 0
# All hyperparameters ending in "dropout" are automatically set to 0.0
# when not in training mode.
h... | python | def super_lm_base():
"""Set of hyperparameters."""
hparams = common_hparams.basic_params1()
hparams.hidden_size = 512
hparams.moe_hidden_sizes = "512"
hparams.batch_size = 16384
hparams.max_length = 0
# All hyperparameters ending in "dropout" are automatically set to 0.0
# when not in training mode.
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tensorflow/tensor2tensor | tensor2tensor/models/research/super_lm.py | super_lm_moe | def super_lm_moe():
"""Add mixture of experts with ~1B params."""
hparams = super_lm_base()
hparams.layers = (
("n,att,m,d,a," "n,moe,m,d,a,") * 4 + "n,ffn,d")
hparams.moe_num_experts = 32
hparams.moe_hidden_sizes = "1024"
return hparams | python | def super_lm_moe():
"""Add mixture of experts with ~1B params."""
hparams = super_lm_base()
hparams.layers = (
("n,att,m,d,a," "n,moe,m,d,a,") * 4 + "n,ffn,d")
hparams.moe_num_experts = 32
hparams.moe_hidden_sizes = "1024"
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe_tr_dense_2k | def xmoe_tr_dense_2k():
"""Series of architectural experiments on Translation.
# run on 8-core setup
119M params, einsum=0.95e13
Returns:
a hparams
"""
hparams = mtf_transformer2.mtf_bitransformer_base()
hparams.encoder_layers = ["self_att", "drd"] * 4
hparams.decoder_layers = ["self_att", "enc_a... | python | def xmoe_tr_dense_2k():
"""Series of architectural experiments on Translation.
# run on 8-core setup
119M params, einsum=0.95e13
Returns:
a hparams
"""
hparams = mtf_transformer2.mtf_bitransformer_base()
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe_tr_1d | def xmoe_tr_1d():
"""Mixture of experts (16 experts).
623M Params, einsum=1.09e13
Returns:
a hparams
"""
hparams = xmoe_tr_dense_2k()
hparams.encoder_layers = ["self_att", "moe_1d"] * 4
hparams.decoder_layers = ["self_att", "enc_att", "moe_1d"] * 4
hparams.layout = "batch:batch;experts:batch"
h... | python | def xmoe_tr_1d():
"""Mixture of experts (16 experts).
623M Params, einsum=1.09e13
Returns:
a hparams
"""
hparams = xmoe_tr_dense_2k()
hparams.encoder_layers = ["self_att", "moe_1d"] * 4
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe_tr_2d | def xmoe_tr_2d():
"""Mixture of experts (16 experts).
623M Params, einsum=1.09e13
Returns:
a hparams
"""
hparams = xmoe_tr_dense_2k()
hparams.mesh_shape = "b0:2;b1:4"
hparams.outer_batch_size = 4
hparams.layout = "outer_batch:b0;inner_batch:b1,expert_x:b1,expert_y:b0"
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"""Mixture of experts (16 experts).
623M Params, einsum=1.09e13
Returns:
a hparams
"""
hparams = xmoe_tr_dense_2k()
hparams.mesh_shape = "b0:2;b1:4"
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe_dense_4k | def xmoe_dense_4k():
"""Series of architectural experiments on cheap language models.
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All log-perplexities are per-token - multiply by 1.298 for per-word
Results:
model params(M) einsum alltoall mxu-util... | python | def xmoe_dense_4k():
"""Series of architectural experiments on cheap language models.
For all of these architectures, we run on languagemodel_lm1b8k_packed
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe_top_2 | def xmoe_top_2():
"""Mixture of experts (16 experts)."""
hparams = xmoe_dense_4k()
moe.set_default_moe_hparams(hparams)
hparams.mesh_shape = "all:8"
hparams.layout = "batch:all;experts:all"
return hparams | python | def xmoe_top_2():
"""Mixture of experts (16 experts)."""
hparams = xmoe_dense_4k()
moe.set_default_moe_hparams(hparams)
hparams.mesh_shape = "all:8"
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe_2d | def xmoe_2d():
"""Two-dimensional hierarchical mixture of 16 experts."""
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"""Two-dimensional hierarchical mixture of 16 experts."""
hparams = xmoe_top_2()
hparams.decoder_layers = ["att", "hmoe"] * 4
hparams.mesh_shape = "b0:2;b1:4"
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_dense | def xmoe2_dense(sz):
"""Series of architectural experiments on language modeling.
Larger models than the ones above.
All models are trained on sequences of 1024 tokens.
We assume infinite training data, so no dropout necessary.
We process 2^36 tokens in training = 524288 steps at batch size 128
TODO(noa... | python | def xmoe2_dense(sz):
"""Series of architectural experiments on language modeling.
Larger models than the ones above.
All models are trained on sequences of 1024 tokens.
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_v1 | def xmoe2_v1():
"""Model incorporating mixture-of-experts and local-attention.
~6B parameters
32 experts in 3 hierarchichal moe layers.
Returns:
a hparams
"""
hparams = xmoe2_dense(0)
moe.set_default_moe_hparams(hparams)
hparams.decoder_layers = (
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"""Model incorporating mixture-of-experts and local-attention.
~6B parameters
32 experts in 3 hierarchichal moe layers.
Returns:
a hparams
"""
hparams = xmoe2_dense(0)
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_v1_x128 | def xmoe2_v1_x128():
"""128 experts, ~25B params - Train for 131072 steps on 8x8."""
hparams = xmoe2_v1()
hparams.moe_num_experts = [16, 8]
hparams.outer_batch_size = 8
hparams.mesh_shape = "b0:8;b1:16"
hparams.batch_size = 512
hparams.learning_rate_decay_steps = 16384
return hparams | python | def xmoe2_v1_x128():
"""128 experts, ~25B params - Train for 131072 steps on 8x8."""
hparams = xmoe2_v1()
hparams.moe_num_experts = [16, 8]
hparams.outer_batch_size = 8
hparams.mesh_shape = "b0:8;b1:16"
hparams.batch_size = 512
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_tiny | def xmoe2_tiny():
"""Test on local cpu."""
hparams = xmoe2_v1()
hparams.decoder_layers = [
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hparams.d_model = 128
hparams.moe_hidden_size = 512
hparams.outer_batch_size = 0
hparams.batch_size = 2
hparams.mesh_shape = ""
hparams.activation_dtype... | python | def xmoe2_tiny():
"""Test on local cpu."""
hparams = xmoe2_v1()
hparams.decoder_layers = [
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_v1_l4k | def xmoe2_v1_l4k():
"""With sequence length 4096."""
hparams = xmoe2_v1()
hparams.batch_size = 32
hparams.max_length = 4096
hparams.split_to_length = 4096
hparams.reshape_logits_hack = True
return hparams | python | def xmoe2_v1_l4k():
"""With sequence length 4096."""
hparams = xmoe2_v1()
hparams.batch_size = 32
hparams.max_length = 4096
hparams.split_to_length = 4096
hparams.reshape_logits_hack = True
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_v1_l4k_local_only | def xmoe2_v1_l4k_local_only():
"""With sequence length 4096."""
hparams = xmoe2_v1_l4k()
hparams.decoder_layers = [
"local_att" if l == "att" else l for l in hparams.decoder_layers]
return hparams | python | def xmoe2_v1_l4k_local_only():
"""With sequence length 4096."""
hparams = xmoe2_v1_l4k()
hparams.decoder_layers = [
"local_att" if l == "att" else l for l in hparams.decoder_layers]
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_v1_l4k_global_only | def xmoe2_v1_l4k_global_only():
"""With sequence length 4096."""
hparams = xmoe2_v1_l4k()
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return hparams | python | def xmoe2_v1_l4k_global_only():
"""With sequence length 4096."""
hparams = xmoe2_v1_l4k()
hparams.decoder_layers = [
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | xmoe2_v1_l4k_compressed_c4 | def xmoe2_v1_l4k_compressed_c4():
"""With compressed attention."""
hparams = xmoe2_v1_l4k()
hparams.decoder_layers = [
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hparams.compression_factor = 4
return hparams | python | def xmoe2_v1_l4k_compressed_c4():
"""With compressed attention."""
hparams = xmoe2_v1_l4k()
hparams.decoder_layers = [
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hparams.compression_factor = 4
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | wiki_2x2_base | def wiki_2x2_base():
"""Set of architectural experiments - language model on wikipedia on a 2x2.
1 epoch = ~180k steps at batch size 32 - we may never finish an epoch!
Returns:
a hparams
"""
hparams = mtf_transformer.mtf_transformer_base_lm()
hparams.shared_embedding_and_softmax_weights = False
# no... | python | def wiki_2x2_base():
"""Set of architectural experiments - language model on wikipedia on a 2x2.
1 epoch = ~180k steps at batch size 32 - we may never finish an epoch!
Returns:
a hparams
"""
hparams = mtf_transformer.mtf_transformer_base_lm()
hparams.shared_embedding_and_softmax_weights = False
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | denoise_z15 | def denoise_z15():
"""Replace tokens instead of masking."""
hparams = xmoe2_dense_0()
hparams.decoder_type = "denoising"
hparams.noising_spec_train = {"type": "random_zipfian", "prob": 0.15}
hparams.noising_use_eval_during_train = 0.25
return hparams | python | def denoise_z15():
"""Replace tokens instead of masking."""
hparams = xmoe2_dense_0()
hparams.decoder_type = "denoising"
hparams.noising_spec_train = {"type": "random_zipfian", "prob": 0.15}
hparams.noising_use_eval_during_train = 0.25
return hparams | [
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tensorflow/tensor2tensor | tensor2tensor/models/research/moe_experiments.py | denoise_v1_m15 | def denoise_v1_m15():
"""Denoising experiment."""
hparams = xmoe2_v1()
# no local attention
# TODO(noam): non-masked version of local-attention
hparams.decoder_layers = [
"att" if l == "local_att" else l for l in hparams.decoder_layers]
hparams.decoder_type = "denoising"
hparams.noising_spec_train =... | python | def denoise_v1_m15():
"""Denoising experiment."""
hparams = xmoe2_v1()
# no local attention
# TODO(noam): non-masked version of local-attention
hparams.decoder_layers = [
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hparams.decoder_type = "denoising"
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tensorflow/tensor2tensor | tensor2tensor/data_generators/algorithmic_math_two_variables.py | _download_mlu_data | def _download_mlu_data(tmp_dir, data_dir):
"""Downloads and extracts the dataset.
Args:
tmp_dir: temp directory to download and extract the dataset
data_dir: The base directory where data and vocab files are stored.
Returns:
tmp_dir: temp directory containing the raw data.
"""
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"""Downloads and extracts the dataset.
Args:
tmp_dir: temp directory to download and extract the dataset
data_dir: The base directory where data and vocab files are stored.
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tmp_dir: temp directory containing the raw data.
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | _get_ngram_counter | def _get_ngram_counter(ids, n):
"""Get a Counter with the ngrams of the given ID list.
Args:
ids: np.array or a list corresponding to a single sentence
n: n-gram size
Returns:
collections.Counter with ID tuples as keys and 1s as values.
"""
# Remove zero IDs used to pad the sequence.
ids = [to... | python | def _get_ngram_counter(ids, n):
"""Get a Counter with the ngrams of the given ID list.
Args:
ids: np.array or a list corresponding to a single sentence
n: n-gram size
Returns:
collections.Counter with ID tuples as keys and 1s as values.
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | _get_fbeta_score | def _get_fbeta_score(true_positives, selected, relevant, beta=1):
"""Compute Fbeta score.
Args:
true_positives: Number of true positive ngrams.
selected: Number of selected ngrams.
relevant: Number of relevant ngrams.
beta: 0 gives precision only, 1 gives F1 score, and Inf gives recall only.
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"""Compute Fbeta score.
Args:
true_positives: Number of true positive ngrams.
selected: Number of selected ngrams.
relevant: Number of relevant ngrams.
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | get_addition_score | def get_addition_score(source_counts, prediction_counts, target_counts):
"""Compute the addition score (Equation 4 in the paper)."""
added_to_prediction_counts = prediction_counts - source_counts
true_positives = sum((added_to_prediction_counts & target_counts).values())
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"""Compute the addition score (Equation 4 in the paper)."""
added_to_prediction_counts = prediction_counts - source_counts
true_positives = sum((added_to_prediction_counts & target_counts).values())
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | get_keep_score | def get_keep_score(source_counts, prediction_counts, target_counts):
"""Compute the keep score (Equation 5 in the paper)."""
source_and_prediction_counts = source_counts & prediction_counts
source_and_target_counts = source_counts & target_counts
true_positives = sum((source_and_prediction_counts &
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"""Compute the keep score (Equation 5 in the paper)."""
source_and_prediction_counts = source_counts & prediction_counts
source_and_target_counts = source_counts & target_counts
true_positives = sum((source_and_prediction_counts &
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | get_deletion_score | def get_deletion_score(source_counts, prediction_counts, target_counts, beta=0):
"""Compute the deletion score (Equation 6 in the paper)."""
source_not_prediction_counts = source_counts - prediction_counts
source_not_target_counts = source_counts - target_counts
true_positives = sum((source_not_prediction_count... | python | def get_deletion_score(source_counts, prediction_counts, target_counts, beta=0):
"""Compute the deletion score (Equation 6 in the paper)."""
source_not_prediction_counts = source_counts - prediction_counts
source_not_target_counts = source_counts - target_counts
true_positives = sum((source_not_prediction_count... | [
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | get_sari_score | def get_sari_score(source_ids, prediction_ids, list_of_targets,
max_gram_size=4, beta_for_deletion=0):
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Args:
source_ids: a list / np.array of SentencePiece IDs
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source_ids: a list / np.array of SentencePiece IDs
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | get_sari | def get_sari(source_ids, prediction_ids, target_ids, max_gram_size=4):
"""Computes the SARI scores from the given source, prediction and targets.
Args:
source_ids: A 2D tf.Tensor of size (batch_size , sequence_length)
prediction_ids: A 2D tf.Tensor of size (batch_size, sequence_length)
target_ids: A 3D... | python | def get_sari(source_ids, prediction_ids, target_ids, max_gram_size=4):
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source_ids: A 2D tf.Tensor of size (batch_size , sequence_length)
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tensorflow/tensor2tensor | tensor2tensor/utils/sari_hook.py | sari_score | def sari_score(predictions, labels, features, **unused_kwargs):
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | _get_mnist | def _get_mnist(directory):
"""Download all MNIST files to directory unless they are there."""
for filename in [
_MNIST_TRAIN_DATA_FILENAME, _MNIST_TRAIN_LABELS_FILENAME,
_MNIST_TEST_DATA_FILENAME, _MNIST_TEST_LABELS_FILENAME
]:
generator_utils.maybe_download(directory, filename, _MNIST_URL + filen... | python | def _get_mnist(directory):
"""Download all MNIST files to directory unless they are there."""
for filename in [
_MNIST_TRAIN_DATA_FILENAME, _MNIST_TRAIN_LABELS_FILENAME,
_MNIST_TEST_DATA_FILENAME, _MNIST_TEST_LABELS_FILENAME
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | _extract_mnist_images | def _extract_mnist_images(filename, num_images):
"""Extract images from an MNIST file into a numpy array.
Args:
filename: The path to an MNIST images file.
num_images: The number of images in the file.
Returns:
A numpy array of shape [number_of_images, height, width, channels].
"""
with gzip.ope... | python | def _extract_mnist_images(filename, num_images):
"""Extract images from an MNIST file into a numpy array.
Args:
filename: The path to an MNIST images file.
num_images: The number of images in the file.
Returns:
A numpy array of shape [number_of_images, height, width, channels].
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | _extract_mnist_labels | def _extract_mnist_labels(filename, num_labels):
"""Extract labels from an MNIST file into integers.
Args:
filename: The path to an MNIST labels file.
num_labels: The number of labels in the file.
Returns:
A int64 numpy array of shape [num_labels]
"""
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... | python | def _extract_mnist_labels(filename, num_labels):
"""Extract labels from an MNIST file into integers.
Args:
filename: The path to an MNIST labels file.
num_labels: The number of labels in the file.
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A int64 numpy array of shape [num_labels]
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | mnist_common_generator | def mnist_common_generator(tmp_dir,
training,
how_many,
data_filename,
label_filename,
start_from=0):
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Args:
tmp_dir: path to temporary storage dir... | python | def mnist_common_generator(tmp_dir,
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data_filename,
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | mnist_generator | def mnist_generator(tmp_dir, training, how_many, start_from=0):
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Args:
tmp_dir: path to temporary storage directory.
training: a Boolean; if true, we use the train set, otherwise the test set.
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"""Image generator for MNIST.
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tmp_dir: path to temporary storage directory.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | _get_fashion_mnist | def _get_fashion_mnist(directory):
"""Download all FashionMNIST files to directory unless they are there."""
# Fashion mnist files have the same names as MNIST.
# We must choose a separate name (by adding 'fashion-' prefix) in the tmp_dir.
for filename in [
_MNIST_TRAIN_DATA_FILENAME, _MNIST_TRAIN_LABELS_... | python | def _get_fashion_mnist(directory):
"""Download all FashionMNIST files to directory unless they are there."""
# Fashion mnist files have the same names as MNIST.
# We must choose a separate name (by adding 'fashion-' prefix) in the tmp_dir.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/mnist.py | fashion_mnist_generator | def fashion_mnist_generator(tmp_dir, training, how_many, start_from=0):
"""Image generator for FashionMNIST.
Args:
tmp_dir: path to temporary storage directory.
training: a Boolean; if true, we use the train set, otherwise the test set.
how_many: how many images and labels to generate.
start_from: ... | python | def fashion_mnist_generator(tmp_dir, training, how_many, start_from=0):
"""Image generator for FashionMNIST.
Args:
tmp_dir: path to temporary storage directory.
training: a Boolean; if true, we use the train set, otherwise the test set.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/timeseries_data_generator.py | generate_data | def generate_data(timeseries_length, timeseries_params):
"""Generates synthetic timeseries using input parameters.
Each generated timeseries has timeseries_length data points.
Parameters for each timeseries are specified by timeseries_params.
Args:
timeseries_length: Number of data points to generate for ... | python | def generate_data(timeseries_length, timeseries_params):
"""Generates synthetic timeseries using input parameters.
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tensorflow/tensor2tensor | tensor2tensor/models/video/basic_stochastic.py | next_frame_basic_stochastic | def next_frame_basic_stochastic():
"""Basic 2-frame conv model with stochastic tower."""
hparams = basic_deterministic_params.next_frame_basic_deterministic()
hparams.stochastic_model = True
hparams.add_hparam("latent_channels", 1)
hparams.add_hparam("latent_std_min", -5.0)
hparams.add_hparam("num_iteration... | python | def next_frame_basic_stochastic():
"""Basic 2-frame conv model with stochastic tower."""
hparams = basic_deterministic_params.next_frame_basic_deterministic()
hparams.stochastic_model = True
hparams.add_hparam("latent_channels", 1)
hparams.add_hparam("latent_std_min", -5.0)
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tensorflow/tensor2tensor | tensor2tensor/models/video/basic_stochastic.py | next_frame_sampling_stochastic | def next_frame_sampling_stochastic():
"""Basic 2-frame conv model with stochastic tower."""
hparams = basic_deterministic_params.next_frame_sampling()
hparams.stochastic_model = True
hparams.add_hparam("latent_channels", 1)
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"""Basic 2-frame conv model with stochastic tower."""
hparams = basic_deterministic_params.next_frame_sampling()
hparams.stochastic_model = True
hparams.add_hparam("latent_channels", 1)
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tensorflow/tensor2tensor | tensor2tensor/models/video/basic_stochastic.py | next_frame_basic_stochastic_discrete | def next_frame_basic_stochastic_discrete():
"""Basic 2-frame conv model with stochastic discrete latent."""
hparams = basic_deterministic_params.next_frame_sampling()
hparams.batch_size = 4
hparams.video_num_target_frames = 6
hparams.scheduled_sampling_mode = "prob_inverse_lin"
hparams.scheduled_sampling_de... | python | def next_frame_basic_stochastic_discrete():
"""Basic 2-frame conv model with stochastic discrete latent."""
hparams = basic_deterministic_params.next_frame_sampling()
hparams.batch_size = 4
hparams.video_num_target_frames = 6
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tensorflow/tensor2tensor | tensor2tensor/models/video/basic_stochastic.py | next_frame_stochastic_discrete_range | def next_frame_stochastic_discrete_range(rhp):
"""Next frame stochastic discrete tuning grid."""
rhp.set_float("learning_rate_constant", 0.001, 0.01)
rhp.set_float("dropout", 0.2, 0.6)
rhp.set_int("filter_double_steps", 3, 5)
rhp.set_discrete("hidden_size", [64, 96, 128])
rhp.set_discrete("bottleneck_bits",... | python | def next_frame_stochastic_discrete_range(rhp):
"""Next frame stochastic discrete tuning grid."""
rhp.set_float("learning_rate_constant", 0.001, 0.01)
rhp.set_float("dropout", 0.2, 0.6)
rhp.set_int("filter_double_steps", 3, 5)
rhp.set_discrete("hidden_size", [64, 96, 128])
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | nested_map | def nested_map(x, f):
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if isinstance(x, list):
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if isinstance(x, tuple):
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | shapes | def shapes(x):
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def shape(x):
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def size(x):
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def size(x):
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except Exception: # pylint: disable=broad-except
return 0
return nested_map(x, size) | [
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | _find_frame | def _find_frame(stack, start=0):
"""Find the frame with the caller on the stack."""
# We want to find the first place where the layer was called
# that is *not* an __init__ function of an inheriting layer.
frame = inspect.getframeinfo(stack[start][0])
# If we are in an init, move on.
if frame.function == '_... | python | def _find_frame(stack, start=0):
"""Find the frame with the caller on the stack."""
# We want to find the first place where the layer was called
# that is *not* an __init__ function of an inheriting layer.
frame = inspect.getframeinfo(stack[start][0])
# If we are in an init, move on.
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | _shorten_file_path | def _shorten_file_path(line):
"""Shorten file path in error lines for more readable tracebacks."""
start = line.lower().find('file')
if start < 0:
return line
first_quote = line.find('"', start)
if first_quote < 0:
return line
second_quote = line.find('"', first_quote + 1)
if second_quote < 0:
... | python | def _shorten_file_path(line):
"""Shorten file path in error lines for more readable tracebacks."""
start = line.lower().find('file')
if start < 0:
return line
first_quote = line.find('"', start)
if first_quote < 0:
return line
second_quote = line.find('"', first_quote + 1)
if second_quote < 0:
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | _short_traceback | def _short_traceback(skip=3):
"""Cleaned-up form of traceback."""
counter, res = 0, []
# Skipping 3 lines by default: the top (useless) and self-call.
lines = traceback.format_exc().splitlines()[skip:]
for l in lines:
res.append(_shorten_file_path(l))
if counter % 2 == 1:
res.append('')
coun... | python | def _short_traceback(skip=3):
"""Cleaned-up form of traceback."""
counter, res = 0, []
# Skipping 3 lines by default: the top (useless) and self-call.
lines = traceback.format_exc().splitlines()[skip:]
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | layer | def layer(output_shape=None, new_parameters=None):
"""Create a layer class from a function."""
def layer_decorator(call):
"""Decorating the call function."""
def output_shape_fun(self, input_shape):
if output_shape is None:
return input_shape
kwargs = self._init_kwargs # pylint: disable... | python | def layer(output_shape=None, new_parameters=None):
"""Create a layer class from a function."""
def layer_decorator(call):
"""Decorating the call function."""
def output_shape_fun(self, input_shape):
if output_shape is None:
return input_shape
kwargs = self._init_kwargs # pylint: disable... | [
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tensorflow/tensor2tensor | tensor2tensor/trax/layers/base.py | Layer.initialize | def initialize(self, input_shape, rng):
"""Initialize the layer given an input shape and rng.
Returns new_parameters(input_shape, rng) on the first call and () on any
subsequent call, as the layer is already initialized. This is used for
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"""Initialize the layer given an input shape and rng.
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | _references_content | def _references_content(ref_files):
"""Returns dict<str ref_url, str ref_content>."""
example_spec = {
"url": tf.FixedLenFeature([], tf.string),
"content": tf.FixedLenFeature([], tf.string),
}
data = {}
for ex in generator_utils.tfrecord_iterator(
ref_files, gzipped=True, example_spec=exampl... | python | def _references_content(ref_files):
"""Returns dict<str ref_url, str ref_content>."""
example_spec = {
"url": tf.FixedLenFeature([], tf.string),
"content": tf.FixedLenFeature([], tf.string),
}
data = {}
for ex in generator_utils.tfrecord_iterator(
ref_files, gzipped=True, example_spec=exampl... | [
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | _wiki_urls_for_shard | def _wiki_urls_for_shard(shard_id, urls_dir=None):
"""Urls for chunk: dict<str wiki_url, list<str> ref_urls>."""
urls_dir = urls_dir or WIKI_URLS_DIR
urls_filepath = os.path.join(urls_dir, WIKI_URLS_FILE % shard_id)
with tf.gfile.GFile(urls_filepath) as f:
return json.loads(f.read()) | python | def _wiki_urls_for_shard(shard_id, urls_dir=None):
"""Urls for chunk: dict<str wiki_url, list<str> ref_urls>."""
urls_dir = urls_dir or WIKI_URLS_DIR
urls_filepath = os.path.join(urls_dir, WIKI_URLS_FILE % shard_id)
with tf.gfile.GFile(urls_filepath) as f:
return json.loads(f.read()) | [
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | _wiki_articles | def _wiki_articles(shard_id, wikis_dir=None):
"""Generates WikipediaArticles from GCS that are part of shard shard_id."""
if not wikis_dir:
wikis_dir = WIKI_CONTENT_DIR
with tf.Graph().as_default():
dataset = tf.data.TFRecordDataset(
cc_utils.readahead(
os.path.join(wikis_dir, WIKI_CON... | python | def _wiki_articles(shard_id, wikis_dir=None):
"""Generates WikipediaArticles from GCS that are part of shard shard_id."""
if not wikis_dir:
wikis_dir = WIKI_CONTENT_DIR
with tf.Graph().as_default():
dataset = tf.data.TFRecordDataset(
cc_utils.readahead(
os.path.join(wikis_dir, WIKI_CON... | [
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | rank_reference_paragraphs | def rank_reference_paragraphs(wiki_title, references_content, normalize=True):
"""Rank and return reference paragraphs by tf-idf score on title tokens."""
normalized_title = _normalize_text(wiki_title)
title_tokens = _tokens_to_score(
set(tokenizer.encode(text_encoder.native_to_unicode(normalized_title))))
... | python | def rank_reference_paragraphs(wiki_title, references_content, normalize=True):
"""Rank and return reference paragraphs by tf-idf score on title tokens."""
normalized_title = _normalize_text(wiki_title)
title_tokens = _tokens_to_score(
set(tokenizer.encode(text_encoder.native_to_unicode(normalized_title))))
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | produce_examples | def produce_examples(shard_ids, wikis_dir, refs_dir, urls_dir, vocab_path,
out_filepaths):
"""Produce examples from shard_ids to out_filepaths."""
# * Join the Wikipedia articles with their references
# * Run Tf-idf to sort reference paragraphs
# * Encode the Wikipedia and reference text wi... | python | def produce_examples(shard_ids, wikis_dir, refs_dir, urls_dir, vocab_path,
out_filepaths):
"""Produce examples from shard_ids to out_filepaths."""
# * Join the Wikipedia articles with their references
# * Run Tf-idf to sort reference paragraphs
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | _encode_wiki_sections | def _encode_wiki_sections(sections, vocab):
"""Encodes sections with vocab. Returns ids and section boundaries."""
ids = []
section_boundaries = []
for i, section in enumerate(sections):
if i > 0:
# Skip including article title
ids.extend(vocab.encode(_format_title(_normalize_text(section.title)... | python | def _encode_wiki_sections(sections, vocab):
"""Encodes sections with vocab. Returns ids and section boundaries."""
ids = []
section_boundaries = []
for i, section in enumerate(sections):
if i > 0:
# Skip including article title
ids.extend(vocab.encode(_format_title(_normalize_text(section.title)... | [
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wikisum/wikisum.py | extract_references_from_wets | def extract_references_from_wets(wet_files, metadata_dir, out_dir,
tmp_dir=None):
"""Extract references from WET files into sharded output files."""
# Setup output files
shard_files = make_ref_shard_files(out_dir)
num_refs = 0
for i, wet_file in enumerate(wet_files):
num_... | python | def extract_references_from_wets(wet_files, metadata_dir, out_dir,
tmp_dir=None):
"""Extract references from WET files into sharded output files."""
# Setup output files
shard_files = make_ref_shard_files(out_dir)
num_refs = 0
for i, wet_file in enumerate(wet_files):
num_... | [
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tensorflow/tensor2tensor | tensor2tensor/data_generators/wiki.py | _dump_to_pages | def _dump_to_pages(dump):
"""Extract pages from an xml dump.
Args:
dump: a unicode string
Returns:
a list of unicode strings
"""
pos = 0
ret = []
start_tag = u"<page>\n"
end_tag = u"</page>\n"
while True:
start_pos = dump.find(start_tag, pos)
if start_pos == -1:
break
start_... | python | def _dump_to_pages(dump):
"""Extract pages from an xml dump.
Args:
dump: a unicode string
Returns:
a list of unicode strings
"""
pos = 0
ret = []
start_tag = u"<page>\n"
end_tag = u"</page>\n"
while True:
start_pos = dump.find(start_tag, pos)
if start_pos == -1:
break
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