def main(unused_arg):
    hparams = hp.create_hparams()

    model_fn = model.create_model_fn(hparams)

    estimator = tf.contrib.learn.Estimator(
        model_fn=model_fn,
        config=tf.contrib.learn.RunConfig(
            save_checkpoints_steps=FLAGS.eval_every,
            save_summary_steps=10000,
            log_step_count_steps=10000,
            model_dir=MODEL_DIR))

    input_fn_train = input.create_input_fn(
        input_files=[TRAIN_FILE_PATH],
        batch_size=hparams.batch_size,
        mode=tf.contrib.learn.ModeKeys.TRAIN,
        num_epochs=hparams.num_epochs)

    monitors_list = []

    input_fn_validation = input.create_input_fn([VALIDATION_FILE_PATH],
                                                tf.contrib.learn.ModeKeys.EVAL,
                                                hparams.eval_batch_size, 1)
    validation_monitor = tf.contrib.learn.monitors.ValidationMonitor(
        input_fn=input_fn_validation,
        every_n_steps=FLAGS.eval_every,
        metrics=metrics.create_evaluation_metrics('validation'))
    monitors_list.append(validation_monitor)

    input_fn_test = input.create_input_fn([TEST_FILE_PATH],
                                          tf.contrib.learn.ModeKeys.EVAL,
                                          hparams.eval_batch_size, 1)
    test_monitor = tf.contrib.learn.monitors.ValidationMonitor(
        input_fn=input_fn_test,
        every_n_steps=FLAGS.eval_every,
        metrics=metrics.create_evaluation_metrics('test'))
    monitors_list.append(test_monitor)

    if FLAGS.debug:
        debuger = tf_debug.LocalCLIDebugHook()
        monitors_list.append(debuger)

    input_fn_train_eval = input.create_input_fn([TRAIN_FILE_PATH],
                                                tf.contrib.learn.ModeKeys.EVAL,
                                                hparams.batch_size, 1)
    train_monitor = tf.contrib.learn.monitors.ValidationMonitor(
        input_fn=input_fn_train_eval,
        every_n_steps=FLAGS.train_eval_every,
        metrics={
            'train_accuracy':
            metrics.create_metric_spec(tf.contrib.metrics.streaming_accuracy,
                                       'predictions', None)
        })
    monitors_list.append(train_monitor)

    estimator.fit(input_fn=input_fn_train, steps=None, monitors=monitors_list)

    hp.write_hparams_to_file(hparams, MODEL_DIR)
def main(unused_argv):
    config = tf.ConfigProto()
    config.gpu_options.allow_growth = True

    hyper_params = create_hparams()

    model_fn = model.create_model_fn(hyper_params,
                                     model_impl=dual_encoder_model)

    estimator = tf.contrib.learn.Estimator(
        model_fn=model_fn,
        model_dir=MODEL_DIR,
        config=tf.contrib.learn.RunConfig(session_config=config))

    input_fn_train = inputs.create_input_fn(
        mode=tf.contrib.learn.ModeKeys.TRAIN,
        input_files=[TRAIN_FILE],
        batch_size=hyper_params.batch_size,
        num_epochs=FLAGS.num_epochs)

    input_fn_eval = inputs.create_input_fn(
        mode=tf.contrib.learn.ModeKeys.EVAL,
        input_files=[VALIDATION_FILE],
        batch_size=hyper_params.eval_batch_size,
        num_epochs=1)

    eval_metrics = metrics.create_evaluation_metrics()

    eval_monitor = tf.contrib.learn.monitors.ValidationMonitor(
        input_fn=input_fn_eval,
        every_n_steps=FLAGS.eval_every,
        metrics=eval_metrics)

    estimator.fit(input_fn=input_fn_train, steps=None, monitors=[eval_monitor])
Ejemplo n.º 3
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def main(unused_arg):
    model_fn = model.create_model_fn(hp.create_hparams())

    estimator = tf.contrib.learn.Estimator(model_fn=model_fn,
                                           model_dir=FLAGS.model_dir,
                                           config=tf.contrib.learn.RunConfig())

    input_fn = input.create_input_fn([TEST_FILE_PATH],
                                     tf.crontrib.learn.ModeKeys.EVAL,
                                     FLAGS.test_batch_size, 1)

    eval_metrics = metrics.create_evaluation_metrics()

    estimator.evaluate(input_fn=input_fn,
                       batch_size=FLAGS.test_batch_size,
                       metrics=eval_metrics,
                       steps=None)
Ejemplo n.º 4
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def main(_):
    """Launch training"""

    # Load hyperparameters
    params = config.create_config()

    # Prepare function that will be used for loading context/utterance
    model_fn = model.create_model_fn(params, model_impl=selected_model)

    # Prepare estimator
    estimator = tf.contrib.learn.Estimator(model_fn=model_fn,
                                           model_dir=MODEL_DIR,
                                           config=tf.contrib.learn.RunConfig(
                                               gpu_memory_fraction=0.25,
                                               save_checkpoints_secs=60 * 2,
                                               keep_checkpoint_max=1,
                                               log_device_placement=False))

    # Prepare input training examples
    input_fn_train = inputs.create_input_fn(
        mode=tf.contrib.learn.ModeKeys.TRAIN,
        input_files=[TRAIN_FILE],
        batch_size=params.batch_size,
        num_epochs=FLAGS.num_epochs,
        params=params)

    # Prepare input validation examples
    input_fn_eval = inputs.create_input_fn(mode=tf.contrib.learn.ModeKeys.EVAL,
                                           input_files=[VALIDATION_FILE],
                                           batch_size=params.eval_batch_size,
                                           num_epochs=1,
                                           params=params)

    # Load recall metrics for validation
    eval_metrics = metrics.create_evaluation_metrics()

    # Prepare monitor for validation
    eval_monitor = tf.contrib.learn.monitors.ValidationMonitor(
        input_fn=input_fn_eval,
        every_n_steps=FLAGS.eval_every,
        metrics=eval_metrics)

    # Lauch training
    estimator.fit(input_fn=input_fn_train, steps=None, monitors=[eval_monitor])
Ejemplo n.º 5
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def main(unused_argv):

  # Replace MODEL_DIR with the folder current run to resume training from a set of hyperparameters
  # MODEL_DIR = '/Users/eduardolitonjua/Desktop/Retrieval-System/runs/1472130056' 
  hparams = hyperparameters.create_hparams()

  model_fn = model.create_model_fn(
    hparams,
    model_impl=dual_encoder_model)

  estimator = tf.contrib.learn.Estimator(
    model_fn=model_fn,
    model_dir=MODEL_DIR,
    config=tf.contrib.learn.RunConfig())

  input_fn_train = inputs.create_input_fn(
    mode=tf.contrib.learn.ModeKeys.TRAIN,
    input_files=[TRAIN_FILE],
    batch_size=hparams.batch_size,
    num_epochs=FLAGS.num_epochs)

  input_fn_eval = inputs.create_input_fn(
    mode=tf.contrib.learn.ModeKeys.EVAL,
    input_files=[VALIDATION_FILE],
    batch_size=hparams.eval_batch_size,
    num_epochs=1)

  eval_metrics = metrics.create_evaluation_metrics()

  class EvaluationMonitor(tf.contrib.learn.monitors.EveryN):
    def every_n_step_end(self, step, outputs):
      self._estimator.evaluate(
        input_fn=input_fn_eval,
        metrics=eval_metrics,
        steps=None)

  eval_monitor = EvaluationMonitor(every_n_steps=FLAGS.eval_every, first_n_steps=-1)
  estimator.fit(input_fn=input_fn_train, steps=None, monitors=[eval_monitor])
Ejemplo n.º 6
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tf.flags.DEFINE_string("test_file", "./data/test.tfrecords",
                       "Path of test data in TFRecords format")
tf.flags.DEFINE_string("model_dir", None,
                       "Directory to load model checkpoints from")
tf.flags.DEFINE_integer("loglevel", 20, "Tensorflow log level")
tf.flags.DEFINE_integer("test_batch_size", 16, "Batch size for testing")
FLAGS = tf.flags.FLAGS

if not FLAGS.model_dir:
    print("You must specify a model directory")
    sys.exit(1)

tf.logging.set_verbosity(FLAGS.loglevel)

if __name__ == "__main__":
    hparams = hparams.create_hparams()
    model_fn = model.create_model_fn(hparams, model_impl=dual_encoder_model)
    estimator = tf.contrib.learn.Estimator(model_fn=model_fn,
                                           model_dir=FLAGS.model_dir,
                                           config=tf.contrib.learn.RunConfig())

    input_fn_test = inputs.create_input_fn(mode=tf.contrib.learn.ModeKeys.EVAL,
                                           input_files=[FLAGS.test_file],
                                           batch_size=FLAGS.test_batch_size,
                                           num_epochs=1)

    eval_metrics = metrics.create_evaluation_metrics()
    estimator.evaluate(input_fn=input_fn_test,
                       steps=None,
                       metrics=eval_metrics)
Ejemplo n.º 7
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def main(unused_argv):
    config = tf.ConfigProto()
    config.gpu_options.allow_growth = True

    hyper_params = create_hparams()
    print("\n\nModel hyperparameters", hyper_params)

    model_fn = model.create_model_fn(hyper_params,
                                     model_impl=dual_encoder_model)

    estimator = tf.contrib.learn.Estimator(
        model_fn=model_fn,
        model_dir=MODEL_DIR,
        config=tf.contrib.learn.RunConfig(session_config=config))

    # Training mode
    if not FLAGS.infer_mode:
        input_fn_train = inputs.create_input_fn(
            mode=tf.contrib.learn.ModeKeys.TRAIN,
            input_files=[TRAIN_FILE],
            batch_size=hyper_params.batch_size,
            num_epochs=FLAGS.num_epochs,
            has_dssm=hyper_params.dssm,
            has_lcs=hyper_params.lcs,
        )

        input_fn_eval = inputs.create_input_fn(
            mode=tf.contrib.learn.ModeKeys.EVAL,
            input_files=[VALIDATION_FILE],
            batch_size=hyper_params.eval_batch_size,
            num_epochs=1,
            has_dssm=hyper_params.dssm,
            has_lcs=hyper_params.lcs,
        )

        eval_metrics = metrics.create_evaluation_metrics()

        eval_monitor = tf.contrib.learn.monitors.ValidationMonitor(
            input_fn=input_fn_eval,
            every_n_steps=FLAGS.eval_every,
            metrics=eval_metrics,
        )

        estimator.fit(input_fn=input_fn_train,
                      steps=None,
                      monitors=[eval_monitor])
    # Testing mode
    else:
        input_fn_infer = inputs.create_input_fn(
            mode=tf.contrib.learn.ModeKeys.INFER,
            input_files=[TEST_FILE],
            batch_size=hyper_params.eval_batch_size,
            num_epochs=1,
            has_dssm=hyper_params.dssm,
            has_lcs=hyper_params.lcs,
            randomize=False)

        preds = estimator.predict(input_fn=input_fn_infer)
        i = 0
        with open(FLAGS.test_out, 'w') as f:
            for pred in preds:
                i += 1
                output_string = ",".join([("%.15f" % indi) for indi in pred])
                f.write(output_string + "\n")
                print(i)