def _experiment_fn(run_config, hparams):
# Create Estimator
# seems to be the only way to stop CUDA_OUT_MEMORY_ERRORs
estimator = tf.estimator.Estimator(
model_fn=model_fn,
config=run_config,
params=hparams,
)
#import ipdb; ipdb.set_trace()
#eval_hook = hooks.EvalMetricsHook(FLAGS.train_dir)
# export_strategies=[saved_model_export_utils.make_export_strategy(
# model.SERVING_FUNCTIONS[args.export_format],
# exports_to_keep=1,
# default_output_alternative_key=None,
# )]
export_strategy = learn.make_export_strategy(
lambda: serving_input_fn(hparams),
default_output_alternative_key=None,
)
return learn.Experiment(
estimator=estimator,
train_input_fn=lambda: train_input_fn(hparams),
eval_input_fn=lambda: eval_input_fn(hparams),
train_steps=10000,
eval_steps=5,
export_strategies=[export_strategy],
min_eval_frequency=100,
#eval_hooks = [eval_hook]
)
def experiment_fn(output_dir):
# run experiment
#train_monitors = tf.contrib.learn.monitors.ValidationMonitor(test_set.target, test_set.target,every_n_steps=5)
#logging_hook = tf.train.LoggingTensorHook({"accuracy" : tflearn.MetricSpec(metric_fn=metrics.streaming_accuracy, prediction_key='class')}, every_n_iter=10)
return tflearn.Experiment(
tflearn.Estimator(model_fn=cnn_model,
model_dir=output_dir,
config=tf.contrib.learn.RunConfig(
save_checkpoints_steps=CHECKPOINT_STEPS,
save_checkpoints_secs=None,
save_summary_steps=SUMMARY_STEPS)),
train_input_fn=get_train(),
eval_input_fn=get_valid(),
eval_metrics={
'acc':
tflearn.MetricSpec(metric_fn=metrics.streaming_accuracy,
prediction_key='class')
},
checkpoint_and_export=True,
train_monitors=None,
export_strategies=[
saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
],
train_steps=TRAIN_STEPS,
eval_steps=EVAL_STEPS)
def experiment_fn(output_dir):
"""Function used in creating the Experiment object."""
hparams = model.create_hparams(hparams_overrides)
tf.logging.info('Using tf %s', str(tf.__version__))
tf.logging.info('Using hyperparameters %s', hparams)
time_crossed_features = [
cross.split(':')
for cross in hparams.time_crossed_features
if cross and cross != 'n/a'
]
train_input_fn = model.get_input_fn(
mode=tf.estimator.ModeKeys.TRAIN,
input_files=[os.path.join(input_dir, 'train')],
label_name=label_name,
dedup=hparams.dedup,
time_windows=hparams.time_windows,
include_age=hparams.include_age,
categorical_context_features=hparams.categorical_context_features,
sequence_features=hparams.sequence_features,
time_crossed_features=time_crossed_features,
batch_size=hparams.batch_size)
eval_input_fn = model.get_input_fn(
mode=tf.estimator.ModeKeys.EVAL,
input_files=[os.path.join(input_dir, 'validation')],
label_name=label_name,
dedup=hparams.dedup,
time_windows=hparams.time_windows,
include_age=hparams.include_age,
categorical_context_features=hparams.categorical_context_features,
sequence_features=hparams.sequence_features,
time_crossed_features=time_crossed_features,
# Fixing the batch size to get comparable evaluations.
batch_size=32)
serving_input_fn = model.get_serving_input_fn(
dedup=hparams.dedup,
time_windows=hparams.time_windows,
include_age=hparams.include_age,
categorical_context_features=hparams.categorical_context_features,
sequence_features=hparams.sequence_features,
time_crossed_features=time_crossed_features,)
estimator = model.make_estimator(hparams,
label_values.split(','),
output_dir)
return contrib_learn.Experiment(
estimator=estimator,
train_input_fn=train_input_fn,
eval_input_fn=eval_input_fn,
export_strategies=[
contrib_learn.utils.saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
],
train_steps=num_train_steps,
eval_steps=num_eval_steps,
eval_delay_secs=0,
continuous_eval_throttle_secs=60,
**experiment_args)
def experiment_fn_with_params(output_dir, data, **kwargs):
ITERATIONS = 10000
mnist = input_data.read_data_sets(data) # loads training and eval data in memory
return learn.Experiment(
estimator=learn.Estimator(model_fn=conv_model, model_dir=output_dir, config=training_config),
train_input_fn=lambda: train_data_input_fn(mnist),
eval_input_fn=lambda: eval_data_input_fn(mnist),
train_steps=ITERATIONS,
eval_steps=1,
export_strategies=export_strategy
)
def experiment_fn(output_dir):
return tflearn.Experiment(
tflearn.LinearRegressor(feature_columns=feature_cols,
model_dir=output_dir),
train_input_fn=get_train(),
eval_input_fn=get_valid(),
eval_metrics={
'rmse':
tflearn.MetricSpec(
metric_fn=metrics.streaming_root_mean_squared_error)
})
def _experiment_fn(output_dir):
return learn.Experiment(
learn.Estimator(model_fn=model.make_model_fn(args),
model_dir=output_dir),
train_input_fn=train_input_fn,
eval_input_fn=eval_input_fn,
train_steps=args.max_steps,
eval_metrics=model.METRICS,
continuous_eval_throttle_secs=args.min_eval_seconds,
min_eval_frequency=args.min_train_eval_rate,
# Until learn_runner is updated to use train_and_evaluate
local_eval_frequency=args.min_train_eval_rate)
def experiment_fn(output_dir):
ITERATIONS = 10000
mnist = input_data.read_data_sets(tempfile.mkdtemp())
return learn.Experiment(
estimator=learn.Estimator(model_fn=conv_model, model_dir=output_dir, config=trainingConfig),
train_input_fn=lambda: train_data_input_fn(mnist),
eval_input_fn=lambda: eval_data_input_fn(mnist),
train_steps=ITERATIONS,
eval_steps=1,
local_eval_frequency=30, #secs between evals (?) - deprecated but learn_runner needs updating...
eval_metrics=evaluationMetrics
)
def experiment_fn(output_dir):
PADWORD = '[PAD]'
MAX_DOCUMENT_LENGTH = 3
titles = [
'Biodegradable Bags Cause Outrage in Italy',
'Tom Brady denies key points of ESPN Patriots article',
'Aldi to open first Kingwood store', PADWORD
]
labels = ['International', 'Sport', 'Business']
TARGETS = tf.constant(["International", "Sport", "Business"])
words = tf.sparse_tensor_to_dense(tf.string_split(titles),
default_value=PADWORD)
vocab_processor = tf.contrib.learn.preprocessing.VocabularyProcessor(
MAX_DOCUMENT_LENGTH)
vocab_processor.fit(titles)
outfilename = "/Users/eliapalme/Newsriver/Newsriver-classifier/training/vocabfile.vcb"
vocab_processor.save(outfilename)
nwords = len(vocab_processor.vocabulary_)
## Transform the documents using the vocabulary.
XX = np.array(list(vocab_processor.fit_transform(titles)))
# make targets numeric
table = tf.contrib.lookup.index_table_from_tensor(mapping=TARGETS,
num_oov_buckets=1,
default_value=-1)
features = tf.constant(["International", "Sport", "Business"])
targetX = table.lookup(features)
return tflearn.Experiment(
tflearn.Estimator(model_fn=cnn_model, model_dir=output_dir),
train_input_fn=XX,
eval_input_fn=targetX,
eval_metrics={
'acc':
tflearn.MetricSpec(metric_fn=metrics.streaming_accuracy,
prediction_key='class')
},
export_strategies=[
saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
],
train_steps=TRAIN_STEPS)
def _experiment_fn(output_dir):
runconfig = learn.RunConfig(gpu_memory_fraction=0.6, )
estimator = learn.Estimator(model_fn=cnn_maker.make_model(
args.learning_rate),
model_dir=output_dir,
config=runconfig)
return learn.Experiment(
estimator,
train_input_fn=train_input_fn,
eval_input_fn=eval_input_fn,
train_steps=args.num_epochs,
eval_metrics=cnn_maker.METRICS, # AGREGAR METRICAS
continuous_eval_throttle_secs=args.min_eval_seconds,
min_eval_frequency=args.min_train_eval_rate,
)
def experiment_fn(output_dir):
return tflearn.Experiment(
tflearn.Estimator(model_fn=simple_rnn, model_dir=output_dir),
train_input_fn=get_train(),
eval_input_fn=get_valid(),
eval_metrics={
'rmse':
tflearn.MetricSpec(
metric_fn=metrics.streaming_root_mean_squared_error)
},
export_strategies=[
saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
])
def _experiment_fn(output_dir):
return tflearn.Experiment(
get_model(output_dir, nbuckets, hidden_units, learning_rate),
train_input_fn=read_dataset(traindata, mode=tf.contrib.learn.ModeKeys.TRAIN, num_training_epochs=num_training_epochs, batch_size=batch_size),
eval_input_fn=read_dataset(evaldata),
export_strategies=[saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1
)],
eval_metrics = {
'rmse' : tflearn.MetricSpec(metric_fn=my_rmse, prediction_key='probabilities'),
'training/hptuning/metric' : tflearn.MetricSpec(metric_fn=my_rmse, prediction_key='probabilities')
},
min_eval_frequency = 100,
**args
)
def experiment_fn(output_dir):
# run experiment
return tflearn.Experiment(
tflearn.Estimator(model_fn=cnn_model, model_dir=output_dir),
train_input_fn=get_train(),
eval_input_fn=get_valid(),
eval_metrics={
'acc':
tflearn.MetricSpec(metric_fn=metrics.streaming_accuracy,
prediction_key='class')
},
export_strategies=[
saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
])
def train_fn(output_dir):
tf.logging.info('Inside train_fn')
logs_path = 'logs'
writer = tf.summary.FileWriter(logs_path, graph=tf.get_default_graph())
return tflearn.Experiment(tflearn.Estimator(model_fn=nn_model,
model_dir=output_dir),
train_input_fn=get_train(),
eval_input_fn=get_validate(),
eval_metrics={
'acc':
tflearn.MetricSpec(
metric_fn=metrics.streaming_accuracy,
prediction_key='class')
},
export_strategies=None,
train_steps=TRAIN_STEPS)
def experiment_fn(run_config, unused_hparams):
"""The tf.learn experiment_fn.
Args:
run_config: The run config to be passed to the KMeansClustering.
unused_hparams: Hyperparameters; not applicable.
Returns:
A tf.contrib.learn.Experiment.
"""
kmeans = contrib_learn.KMeansClustering(num_clusters=num_clusters,
config=run_config)
return contrib_learn.Experiment(estimator=kmeans,
train_steps=train_steps,
train_input_fn=input_fn,
eval_steps=1,
eval_input_fn=input_fn,
min_eval_frequency=min_eval_frequency)
def _experimenter_fn(run_config, hparams):
"""
:param run_config:
:param hparams:
:return:
"""
# Create the training function.
training_fn = lambda: generate_input_fn(
hparams.train_files,
epochs=hparams.epochs,
batch_size=hparams.train_batch_size,
mapping=hparams.mapping,
shuffle=True,
defaults=hparams.defaults,
features=hparams.features,
)
# Create the evaluating function.
evaluating_fn = lambda: generate_input_fn(
hparams.eval_files,
batch_size=hparams.eval_batch_size,
mapping=hparams.mapping,
shuffle=False,
defaults=hparams.defaults,
features=hparams.features,
)
return learn.Experiment(
tf.estimator.Estimator(
generate_model_fn(
learning_rate=hparams.learning_rate,
hidden_units=hparams.hidden_units,
dropout=hparams.dropout,
weights=hparams.weights,
),
config=run_config,
),
train_input_fn=training_fn,
eval_input_fn=evaluating_fn,
**args
)
def experiment_fn(output_dir):
wide, deep = get_wide_deep()
return tflearn.Experiment(
tflearn.DNNLinearCombinedRegressor(model_dir=output_dir,
linear_feature_columns=wide,
dnn_feature_columns=deep,
dnn_hidden_units=[64, 32]),
train_input_fn=read_dataset('train'),
eval_input_fn=read_dataset('eval'),
eval_metrics={
'rmse': tflearn.MetricSpec(
metric_fn=metrics.streaming_root_mean_squared_error
)
},
export_strategies=[saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1
)]
)
def experiment_fn(output_dir):
get_train = model.read_dataset(train_data_paths,
mode=tf.contrib.learn.ModeKeys.TRAIN)
get_valid = model.read_dataset(eval_data_paths,
mode=tf.contrib.learn.ModeKeys.EVAL)
# run experiment
return tflearn.Experiment(
tflearn.Estimator(model_fn=model.simple_rnn, model_dir=output_dir),
train_input_fn=get_train,
eval_input_fn=get_valid,
eval_metrics={
'rmse':
tflearn.MetricSpec(metric_fn=tf.contrib.metrics.
streaming_root_mean_squared_error)
},
export_strategies=[
saved_model_export_utils.make_export_strategy(
model.serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
],
**experiment_args)
def experiment_fn(output_dir):
# run experiment
return tflearn.Experiment(
tflearn.Estimator(model_fn=rnn_model, model_dir=output_dir),
#train_input_fn=get_train(),
train_input_fn=get_input_fn(training_set),
#eval_input_fn=get_valid(),
eval_input_fn=get_input_fn(test_set, num_epochs=1, shuffle=False),
eval_steps=50,
eval_metrics={
'acc': tflearn.MetricSpec(
metric_fn=metrics.streaming_accuracy, prediction_key='class'
)
},
export_strategies=[saved_model_export_utils.make_export_strategy(
serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1
)],
train_steps = TRAIN_STEPS,
#train_monitors=hooks,
#eval_hooks=hooks
)
def _experiment_fn(run_config, hparams):
"""Outputs `Experiment` object given `output_dir`.
Args:
run_config: `EstimatorConfig` object fo run configuration.
hparams: `HParams` object that contains hyperparameters.
Returns:
`Experiment` object
"""
estimator = learn.Estimator(
model_fn=model_fn, config=run_config, params=hparams)
num_train_steps = 1 if FLAGS.oom_test else FLAGS.num_train_steps
num_eval_steps = 1 if FLAGS.oom_test else FLAGS.num_eval_steps
return learn.Experiment(
estimator=estimator,
train_input_fn=_get_train_input_fn(),
eval_input_fn=_get_eval_input_fn(),
train_steps=num_train_steps,
eval_steps=num_eval_steps,
eval_delay_secs=FLAGS.num_eval_delay_secs)
def _experiment_fn(output_dir):
train_input = model.generate_input_fn(train_file,
num_epochs=num_epochs,
batch_size=train_batch_size)
eval_input = model.generate_input_fn(eval_file,
batch_size=eval_batch_size)
return learn.Experiment(
model.build_estimator(job_dir,
embedding_size=embedding_size,
hidden_units=hidden_units),
train_input_fn=train_input,
eval_input_fn=eval_input,
eval_metrics={
'training/hptuning/metric':
learn.MetricSpec(metric_fn=metrics.streaming_accuracy,
prediction_key='logits')
},
export_strategies=[
saved_model_export_utils.make_export_strategy(
model.serving_input_fn,
default_output_alternative_key=None,
exports_to_keep=1)
],
**experiment_args)
def populate_experiment(run_config,
hparams,
pipeline_config_path,
train_steps=None,
eval_steps=None,
model_fn_creator=create_model_fn,
**kwargs):
"""Populates an `Experiment` object.
EXPERIMENT CLASS IS DEPRECATED. Please switch to
tf.estimator.train_and_evaluate. As an example, see model_main.py.
Args:
run_config: A `RunConfig`.
hparams: A `HParams`.
pipeline_config_path: A path to a pipeline config file.
train_steps: Number of training steps. If None, the number of training steps
is set from the `TrainConfig` proto.
eval_steps: Number of evaluation steps per evaluation cycle. If None, the
number of evaluation steps is set from the `EvalConfig` proto.
model_fn_creator: A function that creates a `model_fn` for `Estimator`.
Follows the signature:
* Args:
* `detection_model_fn`: Function that returns `DetectionModel` instance.
* `configs`: Dictionary of pipeline config objects.
* `hparams`: `HParams` object.
* Returns:
`model_fn` for `Estimator`.
**kwargs: Additional keyword arguments for configuration override.
Returns:
An `Experiment` that defines all aspects of training, evaluation, and
export.
"""
tf.logging.warning(
'Experiment is being deprecated. Please use '
'tf.estimator.train_and_evaluate(). See model_main.py for '
'an example.')
train_and_eval_dict = create_estimator_and_inputs(
run_config,
hparams,
pipeline_config_path,
train_steps=train_steps,
eval_steps=eval_steps,
model_fn_creator=model_fn_creator,
save_final_config=True,
**kwargs)
estimator = train_and_eval_dict['estimator']
train_input_fn = train_and_eval_dict['train_input_fn']
eval_input_fns = train_and_eval_dict['eval_input_fns']
predict_input_fn = train_and_eval_dict['predict_input_fn']
train_steps = train_and_eval_dict['train_steps']
export_strategies = [
contrib_learn.utils.saved_model_export_utils.make_export_strategy(
serving_input_fn=predict_input_fn)
]
return contrib_learn.Experiment(
estimator=estimator,
train_input_fn=train_input_fn,
eval_input_fn=eval_input_fns[0],
train_steps=train_steps,
eval_steps=None,
export_strategies=export_strategies,
eval_delay_secs=120,
)
def input_fn(data_set):
feature_cols = {k: tf.constant(data_set[k].values) for k in FEATURES}
labels = tf.constant(data_set[LABEL].values)
return feature_cols, labels
run_config = tf.contrib.learn.RunConfig(save_checkpoints_secs=1)
regressor = tf.contrib.learn.DNNRegressor(feature_columns=feature_cols,
hidden_units=[10, 10],
model_dir="/tmp/boston_model",
config=run_config)
experiment = learn.Experiment(estimator=regressor,
train_input_fn=lambda: input_fn(training_set),
eval_input_fn=lambda: input_fn(test_set),
train_steps=5000,
eval_steps=1)
# Parameter Server
if run_config.task_type and run_config.task_type == learn.TaskType.PS:
print("Start PS on {} ...".format(run_config.master))
experiment.run_std_server()
if run_config.is_chief:
print("This is chief worker on {} ...".format(run_config.master))
experiment.train(0)
# Evaluating the Model
ev = experiment.evaluate(1)
loss_score = ev["loss"]