1. tensorflow-nlp
  2. finch
  3. tensorflow2
  4. text_classification
  5. imdb
  6. main
In [1]:
from google.colab import drive
drive.mount('/content/gdrive')
import os
os.chdir('/content/gdrive/My Drive/finch/tensorflow2/text_classification/imdb/main')

Drive already mounted at /content/gdrive; to attempt to forcibly remount, call drive.mount("/content/gdrive", force_remount=True).
In [2]:
%tensorflow_version 2.x
!pip install tensorflow-addons
!pip install transformers

Requirement already satisfied: tensorflow-addons in /usr/local/lib/python3.6/dist-packages (0.8.3)
Requirement already satisfied: typeguard in /usr/local/lib/python3.6/dist-packages (from tensorflow-addons) (2.7.1)
Requirement already satisfied: transformers in /usr/local/lib/python3.6/dist-packages (3.0.2)
Requirement already satisfied: sentencepiece!=0.1.92 in /usr/local/lib/python3.6/dist-packages (from transformers) (0.1.91)
Requirement already satisfied: sacremoses in /usr/local/lib/python3.6/dist-packages (from transformers) (0.0.43)
Requirement already satisfied: tokenizers==0.8.1.rc1 in /usr/local/lib/python3.6/dist-packages (from transformers) (0.8.1rc1)
Requirement already satisfied: numpy in /usr/local/lib/python3.6/dist-packages (from transformers) (1.18.5)
Requirement already satisfied: tqdm>=4.27 in /usr/local/lib/python3.6/dist-packages (from transformers) (4.41.1)
Requirement already satisfied: dataclasses; python_version < "3.7" in /usr/local/lib/python3.6/dist-packages (from transformers) (0.7)
Requirement already satisfied: filelock in /usr/local/lib/python3.6/dist-packages (from transformers) (3.0.12)
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Requirement already satisfied: regex!=2019.12.17 in /usr/local/lib/python3.6/dist-packages (from transformers) (2019.12.20)
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Requirement already satisfied: joblib in /usr/local/lib/python3.6/dist-packages (from sacremoses->transformers) (0.15.1)
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Requirement already satisfied: click in /usr/local/lib/python3.6/dist-packages (from sacremoses->transformers) (7.1.2)
Requirement already satisfied: pyparsing>=2.0.2 in /usr/local/lib/python3.6/dist-packages (from packaging->transformers) (2.4.7)
Requirement already satisfied: chardet<4,>=3.0.2 in /usr/local/lib/python3.6/dist-packages (from requests->transformers) (3.0.4)
Requirement already satisfied: certifi>=2017.4.17 in /usr/local/lib/python3.6/dist-packages (from requests->transformers) (2020.6.20)
Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 in /usr/local/lib/python3.6/dist-packages (from requests->transformers) (1.24.3)
Requirement already satisfied: idna<3,>=2.5 in /usr/local/lib/python3.6/dist-packages (from requests->transformers) (2.9)
In [3]:
from transformers import BertTokenizer, TFBertModel

import tensorflow as tf
import tensorflow_addons as tfa
import numpy as np
import pprint
import logging
import time

print("TensorFlow Version", tf.__version__)
print('GPU Enabled:', tf.test.is_gpu_available())

TensorFlow Version 2.2.0
WARNING:tensorflow:From <ipython-input-3-0175c78ad17c>:11: is_gpu_available (from tensorflow.python.framework.test_util) is deprecated and will be removed in a future version.
Instructions for updating:
Use `tf.config.list_physical_devices('GPU')` instead.
GPU Enabled: True
In [4]:
params = {
  'train_paths': [
    '../data/train_bt_part1.txt',
    '../data/train_bt_part2.txt',
    '../data/train_bt_part3.txt',
    '../data/train_bt_part4.txt',
    '../data/train_bt_part5.txt',
    '../data/train_bt_part6.txt',
  ],
  'test_paths': [
    '../data/test.txt',
  ],
  'pretrain_path': 'bert-base-uncased',
  'num_samples': 25000 * 2,
  'buffer_size': 25000,
  'batch_size': 16,
  'max_len': 200,
  'num_patience': 5,
  'init_lr': 1e-5,
  'max_lr': 4e-5,
}
In [5]:
tokenizer = BertTokenizer.from_pretrained(params['pretrain_path'],
                                          lowercase = True,
                                          add_special_tokens = True)
In [6]:
def data_generator(f_paths, params):
  for f_path in f_paths:
    with open(f_path) as f:
      print('Reading', f_path)
      for line in f:
        line = line.rstrip()
        label, text = line.split('\t')
        text = ['[CLS]'] + tokenizer.tokenize(text) + ['[SEP]']
        if len(text) > params['max_len']:
          _max_len = params['max_len'] // 2
          text = text[:_max_len] + text[-_max_len:]
        seg = [0] * len(text)
        text = tokenizer.convert_tokens_to_ids(text)
        y = int(label)
        yield text, seg, y


def dataset(is_training, params):
  _shapes = ([None], [None], ())
  _types = (tf.int32, tf.int32, tf.int32)
  _pads = (0, 0, -1)
  
  if is_training:
    ds = tf.data.Dataset.from_generator(
      lambda: data_generator(params['train_paths'], params),
      output_shapes = _shapes,
      output_types = _types,)
    ds = ds.shuffle(params['buffer_size'])
    ds = ds.padded_batch(params['batch_size'], _shapes, _pads)
    ds = ds.prefetch(tf.data.experimental.AUTOTUNE)
  else:
    ds = tf.data.Dataset.from_generator(
      lambda: data_generator(params['test_paths'], params),
      output_shapes = _shapes,
      output_types = _types,)
    ds = ds.padded_batch(params['batch_size'], _shapes, _pads)
    ds = ds.prefetch(tf.data.experimental.AUTOTUNE)
  
  return ds
In [7]:
# input stream ids check
text, seg, _ = next(data_generator(params['train_paths'], params))
print(text)
print(seg)

Reading ../data/train_bt_part1.txt
[101, 1045, 2876, 1005, 1056, 9278, 2023, 2028, 2130, 2006, 7922, 12635, 2305, 102]
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
In [8]:
class BertFinetune(tf.keras.Model):
  def __init__(self, params):
    super(BertFinetune, self).__init__()
    self.bert = TFBertModel.from_pretrained(params['pretrain_path'],
                                            trainable = True)
    self.drop_1 = tf.keras.layers.Dropout(.1)
    self.fc = tf.keras.layers.Dense(300, tf.nn.swish, name='down_stream/fc')
    self.drop_2 = tf.keras.layers.Dropout(.1)
    self.out = tf.keras.layers.Dense(2, name='down_stream/out')

  def call(self, bert_inputs, training):
    bert_inputs = [tf.cast(inp, tf.int32) for inp in bert_inputs]
    x = self.bert(bert_inputs, training=training)[1]
    x = self.drop_1(x, training=training)
    x = self.fc(x)
    x = self.drop_2(x, training=training)
    x = self.out(x)
    return x
In [ ]:
model = BertFinetune(params)
model.build([[None, None], [None, None], [None, None]])
pprint.pprint([(v.name, v.shape) for v in model.trainable_variables])

step_size = 2 * params['num_samples'] // params['batch_size']
decay_lr = tfa.optimizers.Triangular2CyclicalLearningRate(
  initial_learning_rate = params['init_lr'],
  maximal_learning_rate = params['max_lr'],
  step_size = step_size,)
optim = tf.optimizers.Adam(params['init_lr'])
global_step = 0

best_acc = .0
count = 0

t0 = time.time()
logger = logging.getLogger('tensorflow')
logger.setLevel(logging.INFO)

while True:
  # TRAINING
  for (text, seg, labels) in dataset(is_training=True, params=params):
    with tf.GradientTape() as tape:
      logits = model([text, tf.sign(text), seg], training=True)
      loss = tf.compat.v1.losses.softmax_cross_entropy(
        tf.one_hot(labels, 2, dtype=tf.float32),
        logits = logits,
        label_smoothing = .2,)
      
    optim.lr.assign(decay_lr(global_step))
    grads = tape.gradient(loss, model.trainable_variables)
    grads, _ = tf.clip_by_global_norm(grads, 5.)
    optim.apply_gradients(zip(grads, model.trainable_variables))
    
    if global_step % 100 == 0:
      logger.info("Step {} | Loss: {:.4f} | Spent: {:.1f} secs | LR: {:.6f}".format(
          global_step, loss.numpy().item(), time.time()-t0, optim.lr.numpy().item()))
      t0 = time.time()
    global_step += 1
  
  # EVALUATION
  m = tf.keras.metrics.Accuracy()

  for (text, seg, labels) in dataset(is_training=False, params=params):
    logits = model([text, tf.sign(text), seg], training=False)
    m.update_state(y_true=labels, y_pred=tf.argmax(logits, -1))

  acc = m.result().numpy()
  logger.info("Evaluation: Testing Accuracy: {:.3f}".format(acc))

  if acc > best_acc:
    best_acc = acc
    # you can save model here
    count = 0
  else:
    count += 1
  logger.info("Best Accuracy: {:.3f}".format(best_acc))

  if count == params['num_patience']:
    print(params['num_patience'], "times not improve the best result, therefore stop training")
    break

Some weights of the model checkpoint at bert-base-uncased were not used when initializing TFBertModel: ['mlm___cls', 'nsp___cls']
- This IS expected if you are initializing TFBertModel from the checkpoint of a model trained on another task or with another architecture (e.g. initializing a BertForSequenceClassification model from a BertForPretraining model).
- This IS NOT expected if you are initializing TFBertModel from the checkpoint of a model that you expect to be exactly identical (initializing a BertForSequenceClassification model from a BertForSequenceClassification model).
All the weights of TFBertModel were initialized from the model checkpoint at bert-base-uncased.
If your task is similar to the task the model of the ckeckpoint was trained on, you can already use TFBertModel for predictions without further training.

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  TensorShape([768])),
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  TensorShape([768])),
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  TensorShape([768, 768])),
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  TensorShape([768])),
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  TensorShape([768, 768])),
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  TensorShape([768])),
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  TensorShape([768, 768])),
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  TensorShape([768])),
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  TensorShape([768, 768])),
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  TensorShape([768])),
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  TensorShape([768])),
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  TensorShape([3072])),
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  TensorShape([3072, 768])),
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  TensorShape([768])),
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  TensorShape([768])),
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  TensorShape([768])),
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 ('tf_bert_model/bert/pooler/dense/bias:0', TensorShape([768])),
 ('down_stream/fc/kernel:0', TensorShape([768, 300])),
 ('down_stream/fc/bias:0', TensorShape([300])),
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Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
INFO:tensorflow:Step 0 | Loss: 0.7481 | Spent: 44.6 secs | LR: 0.000010
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 100 | Loss: 0.5402 | Spent: 52.0 secs | LR: 0.000010
INFO:tensorflow:Step 200 | Loss: 0.3905 | Spent: 52.8 secs | LR: 0.000011
INFO:tensorflow:Step 300 | Loss: 0.4038 | Spent: 53.5 secs | LR: 0.000011
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 400 | Loss: 0.4299 | Spent: 54.1 secs | LR: 0.000012
INFO:tensorflow:Step 500 | Loss: 0.3646 | Spent: 54.1 secs | LR: 0.000012
INFO:tensorflow:Step 600 | Loss: 0.3671 | Spent: 54.5 secs | LR: 0.000013
INFO:tensorflow:Step 700 | Loss: 0.3566 | Spent: 54.7 secs | LR: 0.000013
INFO:tensorflow:Step 800 | Loss: 0.4407 | Spent: 55.2 secs | LR: 0.000014
INFO:tensorflow:Step 900 | Loss: 0.4194 | Spent: 55.7 secs | LR: 0.000014
INFO:tensorflow:Step 1000 | Loss: 0.5710 | Spent: 56.4 secs | LR: 0.000015
INFO:tensorflow:Step 1100 | Loss: 0.5403 | Spent: 56.8 secs | LR: 0.000015
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 1200 | Loss: 0.4612 | Spent: 57.7 secs | LR: 0.000016
INFO:tensorflow:Step 1300 | Loss: 0.4468 | Spent: 58.7 secs | LR: 0.000016
INFO:tensorflow:Step 1400 | Loss: 0.4174 | Spent: 60.3 secs | LR: 0.000017
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 1500 | Loss: 0.3961 | Spent: 63.0 secs | LR: 0.000017
INFO:tensorflow:Step 1600 | Loss: 0.3699 | Spent: 57.8 secs | LR: 0.000018
INFO:tensorflow:Step 1700 | Loss: 0.4156 | Spent: 49.4 secs | LR: 0.000018
INFO:tensorflow:Step 1800 | Loss: 0.4550 | Spent: 49.3 secs | LR: 0.000019
INFO:tensorflow:Step 1900 | Loss: 0.4626 | Spent: 49.5 secs | LR: 0.000019
INFO:tensorflow:Step 2000 | Loss: 0.3911 | Spent: 49.3 secs | LR: 0.000020
INFO:tensorflow:Step 2100 | Loss: 0.5880 | Spent: 49.6 secs | LR: 0.000020
INFO:tensorflow:Step 2200 | Loss: 0.4847 | Spent: 49.4 secs | LR: 0.000021
INFO:tensorflow:Step 2300 | Loss: 0.4085 | Spent: 49.2 secs | LR: 0.000021
INFO:tensorflow:Step 2400 | Loss: 0.4057 | Spent: 49.4 secs | LR: 0.000022
INFO:tensorflow:Step 2500 | Loss: 0.4253 | Spent: 49.4 secs | LR: 0.000022
INFO:tensorflow:Step 2600 | Loss: 0.3792 | Spent: 49.4 secs | LR: 0.000022
INFO:tensorflow:Step 2700 | Loss: 0.3484 | Spent: 49.6 secs | LR: 0.000023
INFO:tensorflow:Step 2800 | Loss: 0.3578 | Spent: 49.2 secs | LR: 0.000023
INFO:tensorflow:Step 2900 | Loss: 0.4476 | Spent: 49.4 secs | LR: 0.000024
INFO:tensorflow:Step 3000 | Loss: 0.3333 | Spent: 49.4 secs | LR: 0.000024
INFO:tensorflow:Step 3100 | Loss: 0.4434 | Spent: 49.3 secs | LR: 0.000025
Reading ../data/test.txt
INFO:tensorflow:Evaluation: Testing Accuracy: 0.931
INFO:tensorflow:Best Accuracy: 0.931
Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 3200 | Loss: 0.3373 | Spent: 367.5 secs | LR: 0.000025
INFO:tensorflow:Step 3300 | Loss: 0.3293 | Spent: 53.0 secs | LR: 0.000026
INFO:tensorflow:Step 3400 | Loss: 0.4084 | Spent: 53.3 secs | LR: 0.000026
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 3500 | Loss: 0.3316 | Spent: 53.8 secs | LR: 0.000027
INFO:tensorflow:Step 3600 | Loss: 0.3853 | Spent: 54.1 secs | LR: 0.000027
INFO:tensorflow:Step 3700 | Loss: 0.3293 | Spent: 54.6 secs | LR: 0.000028
INFO:tensorflow:Step 3800 | Loss: 0.3545 | Spent: 55.0 secs | LR: 0.000028
INFO:tensorflow:Step 3900 | Loss: 0.3371 | Spent: 55.6 secs | LR: 0.000029
INFO:tensorflow:Step 4000 | Loss: 0.5120 | Spent: 55.6 secs | LR: 0.000029
INFO:tensorflow:Step 4100 | Loss: 0.3320 | Spent: 56.1 secs | LR: 0.000030
INFO:tensorflow:Step 4200 | Loss: 0.4255 | Spent: 56.9 secs | LR: 0.000030
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 4300 | Loss: 0.4014 | Spent: 57.6 secs | LR: 0.000031
INFO:tensorflow:Step 4400 | Loss: 0.4736 | Spent: 58.6 secs | LR: 0.000031
INFO:tensorflow:Step 4500 | Loss: 0.3807 | Spent: 60.1 secs | LR: 0.000032
INFO:tensorflow:Step 4600 | Loss: 0.3322 | Spent: 62.3 secs | LR: 0.000032
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 4700 | Loss: 0.3824 | Spent: 61.6 secs | LR: 0.000033
INFO:tensorflow:Step 4800 | Loss: 0.3293 | Spent: 49.5 secs | LR: 0.000033
INFO:tensorflow:Step 4900 | Loss: 0.4211 | Spent: 49.5 secs | LR: 0.000034
INFO:tensorflow:Step 5000 | Loss: 0.4331 | Spent: 49.6 secs | LR: 0.000034
INFO:tensorflow:Step 5100 | Loss: 0.3763 | Spent: 49.5 secs | LR: 0.000034
INFO:tensorflow:Step 5200 | Loss: 0.3471 | Spent: 49.4 secs | LR: 0.000035
INFO:tensorflow:Step 5300 | Loss: 0.3269 | Spent: 49.6 secs | LR: 0.000035
INFO:tensorflow:Step 5400 | Loss: 0.3368 | Spent: 49.4 secs | LR: 0.000036
INFO:tensorflow:Step 5500 | Loss: 0.5061 | Spent: 49.4 secs | LR: 0.000036
INFO:tensorflow:Step 5600 | Loss: 0.3356 | Spent: 49.7 secs | LR: 0.000037
INFO:tensorflow:Step 5700 | Loss: 0.3938 | Spent: 49.4 secs | LR: 0.000037
INFO:tensorflow:Step 5800 | Loss: 0.3780 | Spent: 49.6 secs | LR: 0.000038
INFO:tensorflow:Step 5900 | Loss: 0.3811 | Spent: 49.5 secs | LR: 0.000038
INFO:tensorflow:Step 6000 | Loss: 0.4438 | Spent: 49.4 secs | LR: 0.000039
INFO:tensorflow:Step 6100 | Loss: 0.3683 | Spent: 49.5 secs | LR: 0.000039
INFO:tensorflow:Step 6200 | Loss: 0.5955 | Spent: 49.4 secs | LR: 0.000040
Reading ../data/test.txt
INFO:tensorflow:Evaluation: Testing Accuracy: 0.928
INFO:tensorflow:Best Accuracy: 0.931
Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
INFO:tensorflow:Step 6300 | Loss: 0.3292 | Spent: 366.9 secs | LR: 0.000040
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 6400 | Loss: 0.3271 | Spent: 52.5 secs | LR: 0.000039
INFO:tensorflow:Step 6500 | Loss: 0.3261 | Spent: 53.4 secs | LR: 0.000039
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 6600 | Loss: 0.3542 | Spent: 53.9 secs | LR: 0.000038
INFO:tensorflow:Step 6700 | Loss: 0.3463 | Spent: 54.3 secs | LR: 0.000038
INFO:tensorflow:Step 6800 | Loss: 0.3443 | Spent: 54.8 secs | LR: 0.000037
INFO:tensorflow:Step 6900 | Loss: 0.3302 | Spent: 55.1 secs | LR: 0.000037
INFO:tensorflow:Step 7000 | Loss: 0.4431 | Spent: 55.4 secs | LR: 0.000036
INFO:tensorflow:Step 7100 | Loss: 0.4261 | Spent: 55.8 secs | LR: 0.000036
INFO:tensorflow:Step 7200 | Loss: 0.3284 | Spent: 56.2 secs | LR: 0.000035
INFO:tensorflow:Step 7300 | Loss: 0.3630 | Spent: 56.8 secs | LR: 0.000035
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 7400 | Loss: 0.4167 | Spent: 57.7 secs | LR: 0.000034
INFO:tensorflow:Step 7500 | Loss: 0.3266 | Spent: 58.4 secs | LR: 0.000034
INFO:tensorflow:Step 7600 | Loss: 0.3288 | Spent: 59.7 secs | LR: 0.000034
INFO:tensorflow:Step 7700 | Loss: 0.3268 | Spent: 61.8 secs | LR: 0.000033
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 7800 | Loss: 0.3290 | Spent: 63.8 secs | LR: 0.000033
INFO:tensorflow:Step 7900 | Loss: 0.5136 | Spent: 51.0 secs | LR: 0.000032
INFO:tensorflow:Step 8000 | Loss: 0.4192 | Spent: 49.4 secs | LR: 0.000032
INFO:tensorflow:Step 8100 | Loss: 0.3926 | Spent: 49.6 secs | LR: 0.000031
INFO:tensorflow:Step 8200 | Loss: 0.3275 | Spent: 49.4 secs | LR: 0.000031
INFO:tensorflow:Step 8300 | Loss: 0.3919 | Spent: 49.5 secs | LR: 0.000030
INFO:tensorflow:Step 8400 | Loss: 0.3265 | Spent: 49.3 secs | LR: 0.000030
INFO:tensorflow:Step 8500 | Loss: 0.3313 | Spent: 49.4 secs | LR: 0.000029
INFO:tensorflow:Step 8600 | Loss: 0.3302 | Spent: 49.3 secs | LR: 0.000029
INFO:tensorflow:Step 8700 | Loss: 0.3272 | Spent: 49.2 secs | LR: 0.000028
INFO:tensorflow:Step 8800 | Loss: 0.4342 | Spent: 49.3 secs | LR: 0.000028
INFO:tensorflow:Step 8900 | Loss: 0.3263 | Spent: 49.5 secs | LR: 0.000027
INFO:tensorflow:Step 9000 | Loss: 0.3381 | Spent: 49.3 secs | LR: 0.000027
INFO:tensorflow:Step 9100 | Loss: 0.4240 | Spent: 49.5 secs | LR: 0.000026
INFO:tensorflow:Step 9200 | Loss: 0.3295 | Spent: 49.5 secs | LR: 0.000026
INFO:tensorflow:Step 9300 | Loss: 0.3273 | Spent: 49.3 secs | LR: 0.000025
Reading ../data/test.txt
INFO:tensorflow:Evaluation: Testing Accuracy: 0.933
INFO:tensorflow:Best Accuracy: 0.933
Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
INFO:tensorflow:Step 9400 | Loss: 0.3284 | Spent: 366.5 secs | LR: 0.000025
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 9500 | Loss: 0.3256 | Spent: 51.9 secs | LR: 0.000024
INFO:tensorflow:Step 9600 | Loss: 0.3413 | Spent: 52.8 secs | LR: 0.000024
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 9700 | Loss: 0.3264 | Spent: 53.4 secs | LR: 0.000023
INFO:tensorflow:Step 9800 | Loss: 0.3327 | Spent: 53.9 secs | LR: 0.000023
INFO:tensorflow:Step 9900 | Loss: 0.3264 | Spent: 54.0 secs | LR: 0.000022
INFO:tensorflow:Step 10000 | Loss: 0.3269 | Spent: 54.4 secs | LR: 0.000022
INFO:tensorflow:Step 10100 | Loss: 0.4230 | Spent: 54.6 secs | LR: 0.000022
INFO:tensorflow:Step 10200 | Loss: 0.3268 | Spent: 55.0 secs | LR: 0.000021
INFO:tensorflow:Step 10300 | Loss: 0.3259 | Spent: 55.6 secs | LR: 0.000021
INFO:tensorflow:Step 10400 | Loss: 0.3264 | Spent: 55.9 secs | LR: 0.000020
INFO:tensorflow:Step 10500 | Loss: 0.3268 | Spent: 56.8 secs | LR: 0.000020
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 10600 | Loss: 0.3260 | Spent: 57.7 secs | LR: 0.000019
INFO:tensorflow:Step 10700 | Loss: 0.3374 | Spent: 58.6 secs | LR: 0.000019
INFO:tensorflow:Step 10800 | Loss: 0.3378 | Spent: 60.4 secs | LR: 0.000018
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 10900 | Loss: 0.3280 | Spent: 63.0 secs | LR: 0.000018
INFO:tensorflow:Step 11000 | Loss: 0.3260 | Spent: 53.9 secs | LR: 0.000017
INFO:tensorflow:Step 11100 | Loss: 0.3272 | Spent: 49.1 secs | LR: 0.000017
INFO:tensorflow:Step 11200 | Loss: 0.3745 | Spent: 49.2 secs | LR: 0.000016
INFO:tensorflow:Step 11300 | Loss: 0.4396 | Spent: 49.0 secs | LR: 0.000016
INFO:tensorflow:Step 11400 | Loss: 0.3485 | Spent: 49.2 secs | LR: 0.000015
INFO:tensorflow:Step 11500 | Loss: 0.3257 | Spent: 49.3 secs | LR: 0.000015
INFO:tensorflow:Step 11600 | Loss: 0.3257 | Spent: 49.2 secs | LR: 0.000014
INFO:tensorflow:Step 11700 | Loss: 0.3256 | Spent: 49.2 secs | LR: 0.000014
INFO:tensorflow:Step 11800 | Loss: 0.3262 | Spent: 49.0 secs | LR: 0.000013
INFO:tensorflow:Step 11900 | Loss: 0.3252 | Spent: 49.1 secs | LR: 0.000013
INFO:tensorflow:Step 12000 | Loss: 0.4631 | Spent: 49.1 secs | LR: 0.000012
INFO:tensorflow:Step 12100 | Loss: 0.4155 | Spent: 49.2 secs | LR: 0.000012
INFO:tensorflow:Step 12200 | Loss: 0.3274 | Spent: 49.2 secs | LR: 0.000011
INFO:tensorflow:Step 12300 | Loss: 0.3259 | Spent: 49.2 secs | LR: 0.000011
INFO:tensorflow:Step 12400 | Loss: 0.3766 | Spent: 49.0 secs | LR: 0.000010
Reading ../data/test.txt
INFO:tensorflow:Evaluation: Testing Accuracy: 0.931
INFO:tensorflow:Best Accuracy: 0.933
Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
INFO:tensorflow:Step 12500 | Loss: 0.3257 | Spent: 362.6 secs | LR: 0.000010
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 12600 | Loss: 0.3270 | Spent: 51.2 secs | LR: 0.000010
INFO:tensorflow:Step 12700 | Loss: 0.3308 | Spent: 52.9 secs | LR: 0.000010
INFO:tensorflow:Step 12800 | Loss: 0.3258 | Spent: 53.3 secs | LR: 0.000011
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 12900 | Loss: 0.3255 | Spent: 53.7 secs | LR: 0.000011
INFO:tensorflow:Step 13000 | Loss: 0.3256 | Spent: 53.9 secs | LR: 0.000011
INFO:tensorflow:Step 13100 | Loss: 0.3252 | Spent: 54.4 secs | LR: 0.000011
INFO:tensorflow:Step 13200 | Loss: 0.3302 | Spent: 54.5 secs | LR: 0.000012
INFO:tensorflow:Step 13300 | Loss: 0.3258 | Spent: 55.3 secs | LR: 0.000012
INFO:tensorflow:Step 13400 | Loss: 0.3256 | Spent: 55.4 secs | LR: 0.000012
INFO:tensorflow:Step 13500 | Loss: 0.3256 | Spent: 55.8 secs | LR: 0.000012
INFO:tensorflow:Step 13600 | Loss: 0.3256 | Spent: 56.6 secs | LR: 0.000013
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 13700 | Loss: 0.3254 | Spent: 57.4 secs | LR: 0.000013
INFO:tensorflow:Step 13800 | Loss: 0.4220 | Spent: 58.6 secs | LR: 0.000013
INFO:tensorflow:Step 13900 | Loss: 0.3257 | Spent: 60.2 secs | LR: 0.000013
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 14000 | Loss: 0.3258 | Spent: 62.6 secs | LR: 0.000014
INFO:tensorflow:Step 14100 | Loss: 0.3271 | Spent: 57.3 secs | LR: 0.000014
INFO:tensorflow:Step 14200 | Loss: 0.3256 | Spent: 49.1 secs | LR: 0.000014
INFO:tensorflow:Step 14300 | Loss: 0.3264 | Spent: 49.2 secs | LR: 0.000014
INFO:tensorflow:Step 14400 | Loss: 0.3259 | Spent: 49.6 secs | LR: 0.000015
INFO:tensorflow:Step 14500 | Loss: 0.3269 | Spent: 49.3 secs | LR: 0.000015
INFO:tensorflow:Step 14600 | Loss: 0.3276 | Spent: 49.3 secs | LR: 0.000015
INFO:tensorflow:Step 14700 | Loss: 0.3253 | Spent: 49.2 secs | LR: 0.000015
INFO:tensorflow:Step 14800 | Loss: 0.3373 | Spent: 49.3 secs | LR: 0.000016
INFO:tensorflow:Step 14900 | Loss: 0.3281 | Spent: 49.2 secs | LR: 0.000016
INFO:tensorflow:Step 15000 | Loss: 0.3257 | Spent: 49.5 secs | LR: 0.000016
INFO:tensorflow:Step 15100 | Loss: 0.3254 | Spent: 49.3 secs | LR: 0.000016
INFO:tensorflow:Step 15200 | Loss: 0.3256 | Spent: 49.2 secs | LR: 0.000016
INFO:tensorflow:Step 15300 | Loss: 0.3259 | Spent: 49.3 secs | LR: 0.000017
INFO:tensorflow:Step 15400 | Loss: 0.3256 | Spent: 49.3 secs | LR: 0.000017
INFO:tensorflow:Step 15500 | Loss: 0.3260 | Spent: 49.2 secs | LR: 0.000017
INFO:tensorflow:Step 15600 | Loss: 0.3272 | Spent: 49.3 secs | LR: 0.000017
Reading ../data/test.txt
INFO:tensorflow:Evaluation: Testing Accuracy: 0.933
INFO:tensorflow:Best Accuracy: 0.933
Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 15700 | Loss: 0.3257 | Spent: 366.6 secs | LR: 0.000018
INFO:tensorflow:Step 15800 | Loss: 0.3255 | Spent: 52.8 secs | LR: 0.000018
INFO:tensorflow:Step 15900 | Loss: 0.3256 | Spent: 53.5 secs | LR: 0.000018
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 16000 | Loss: 0.3259 | Spent: 53.6 secs | LR: 0.000018
INFO:tensorflow:Step 16100 | Loss: 0.3256 | Spent: 54.2 secs | LR: 0.000019
INFO:tensorflow:Step 16200 | Loss: 0.3258 | Spent: 54.6 secs | LR: 0.000019
INFO:tensorflow:Step 16300 | Loss: 0.4380 | Spent: 54.6 secs | LR: 0.000019
INFO:tensorflow:Step 16400 | Loss: 0.3256 | Spent: 55.0 secs | LR: 0.000019
INFO:tensorflow:Step 16500 | Loss: 0.3258 | Spent: 55.5 secs | LR: 0.000020
INFO:tensorflow:Step 16600 | Loss: 0.3373 | Spent: 56.0 secs | LR: 0.000020
INFO:tensorflow:Step 16700 | Loss: 0.3258 | Spent: 56.8 secs | LR: 0.000020
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 16800 | Loss: 0.3261 | Spent: 57.8 secs | LR: 0.000020
INFO:tensorflow:Step 16900 | Loss: 0.3257 | Spent: 58.5 secs | LR: 0.000021
INFO:tensorflow:Step 17000 | Loss: 0.3277 | Spent: 60.0 secs | LR: 0.000021
INFO:tensorflow:Step 17100 | Loss: 0.3258 | Spent: 62.1 secs | LR: 0.000021
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 17200 | Loss: 0.5537 | Spent: 61.5 secs | LR: 0.000021
INFO:tensorflow:Step 17300 | Loss: 0.3258 | Spent: 49.6 secs | LR: 0.000022
INFO:tensorflow:Step 17400 | Loss: 0.3254 | Spent: 49.3 secs | LR: 0.000022
INFO:tensorflow:Step 17500 | Loss: 0.3266 | Spent: 49.3 secs | LR: 0.000022
INFO:tensorflow:Step 17600 | Loss: 0.3253 | Spent: 49.3 secs | LR: 0.000022
INFO:tensorflow:Step 17700 | Loss: 0.3255 | Spent: 49.2 secs | LR: 0.000022
INFO:tensorflow:Step 17800 | Loss: 0.3262 | Spent: 49.3 secs | LR: 0.000023
INFO:tensorflow:Step 17900 | Loss: 0.3257 | Spent: 49.3 secs | LR: 0.000023
INFO:tensorflow:Step 18000 | Loss: 0.3265 | Spent: 49.3 secs | LR: 0.000023
INFO:tensorflow:Step 18100 | Loss: 0.3384 | Spent: 49.2 secs | LR: 0.000023
INFO:tensorflow:Step 18200 | Loss: 0.3327 | Spent: 49.0 secs | LR: 0.000024
INFO:tensorflow:Step 18300 | Loss: 0.4324 | Spent: 49.2 secs | LR: 0.000024
INFO:tensorflow:Step 18400 | Loss: 0.3259 | Spent: 49.1 secs | LR: 0.000024
INFO:tensorflow:Step 18500 | Loss: 0.3256 | Spent: 48.9 secs | LR: 0.000024
INFO:tensorflow:Step 18600 | Loss: 0.3261 | Spent: 49.3 secs | LR: 0.000025
INFO:tensorflow:Step 18700 | Loss: 0.3281 | Spent: 49.1 secs | LR: 0.000025
Reading ../data/test.txt
INFO:tensorflow:Evaluation: Testing Accuracy: 0.927
INFO:tensorflow:Best Accuracy: 0.933
Reading ../data/train_bt_part1.txt
Reading ../data/train_bt_part2.txt
INFO:tensorflow:Step 18800 | Loss: 0.3262 | Spent: 364.2 secs | LR: 0.000025
Reading ../data/train_bt_part3.txt
INFO:tensorflow:Step 18900 | Loss: 0.3259 | Spent: 52.1 secs | LR: 0.000025
INFO:tensorflow:Step 19000 | Loss: 0.3254 | Spent: 52.9 secs | LR: 0.000024
Reading ../data/train_bt_part4.txt
INFO:tensorflow:Step 19100 | Loss: 0.3254 | Spent: 53.6 secs | LR: 0.000024
INFO:tensorflow:Step 19200 | Loss: 0.3254 | Spent: 54.1 secs | LR: 0.000024
INFO:tensorflow:Step 19300 | Loss: 0.3259 | Spent: 54.2 secs | LR: 0.000024
INFO:tensorflow:Step 19400 | Loss: 0.3308 | Spent: 54.6 secs | LR: 0.000023
INFO:tensorflow:Step 19500 | Loss: 0.3257 | Spent: 54.9 secs | LR: 0.000023
INFO:tensorflow:Step 19600 | Loss: 0.3254 | Spent: 55.2 secs | LR: 0.000023
INFO:tensorflow:Step 19700 | Loss: 0.3254 | Spent: 55.8 secs | LR: 0.000023
INFO:tensorflow:Step 19800 | Loss: 0.3281 | Spent: 56.6 secs | LR: 0.000022
Reading ../data/train_bt_part5.txt
INFO:tensorflow:Step 19900 | Loss: 0.3261 | Spent: 56.8 secs | LR: 0.000022
INFO:tensorflow:Step 20000 | Loss: 0.3263 | Spent: 57.9 secs | LR: 0.000022
INFO:tensorflow:Step 20100 | Loss: 0.3254 | Spent: 59.3 secs | LR: 0.000022
INFO:tensorflow:Step 20200 | Loss: 0.3257 | Spent: 61.0 secs | LR: 0.000022
Reading ../data/train_bt_part6.txt
INFO:tensorflow:Step 20300 | Loss: 0.3257 | Spent: 63.6 secs | LR: 0.000021
INFO:tensorflow:Step 20400 | Loss: 0.3256 | Spent: 50.7 secs | LR: 0.000021
INFO:tensorflow:Step 20500 | Loss: 0.3256 | Spent: 49.2 secs | LR: 0.000021
INFO:tensorflow:Step 20600 | Loss: 0.3257 | Spent: 49.3 secs | LR: 0.000021
INFO:tensorflow:Step 20700 | Loss: 0.3265 | Spent: 49.3 secs | LR: 0.000020
INFO:tensorflow:Step 20800 | Loss: 0.3263 | Spent: 49.1 secs | LR: 0.000020
INFO:tensorflow:Step 20900 | Loss: 0.3614 | Spent: 49.4 secs | LR: 0.000020
INFO:tensorflow:Step 21000 | Loss: 0.3266 | Spent: 49.1 secs | LR: 0.000020
INFO:tensorflow:Step 21100 | Loss: 0.3258 | Spent: 49.2 secs | LR: 0.000019
INFO:tensorflow:Step 21200 | Loss: 0.3256 | Spent: 49.2 secs | LR: 0.000019
INFO:tensorflow:Step 21300 | Loss: 0.3293 | Spent: 49.0 secs | LR: 0.000019
INFO:tensorflow:Step 21400 | Loss: 0.3259 | Spent: 49.2 secs | LR: 0.000019
INFO:tensorflow:Step 21500 | Loss: 0.3254 | Spent: 49.4 secs | LR: 0.000018
INFO:tensorflow:Step 21600 | Loss: 0.3252 | Spent: 49.1 secs | LR: 0.000018
INFO:tensorflow:Step 21700 | Loss: 0.3257 | Spent: 49.2 secs | LR: 0.000018
INFO:tensorflow:Step 21800 | Loss: 0.3322 | Spent: 49.1 secs | LR: 0.000018
Reading ../data/test.txt