text-classification/79.electra-large.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Make sure run this notebook in electra repo folder after git clone,\n",
    "\n",
    "```bash\n",
    "git clone https://github.com/google-research/electra.git\n",
    "cd electra\n",
    "jupyter notebook\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "os.environ['CUDA_VISIBLE_DEVICES'] = '2'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "checkpoint\t\t\t   electra_large.index\tvocab.txt\r\n",
      "electra_large.data-00000-of-00001  electra_large.meta\r\n"
     ]
    }
   ],
   "source": [
    "# !wget https://storage.googleapis.com/electra-data/electra_large.zip\n",
    "# !unzip electra_large.zip\n",
    "!ls electra_large/"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'vocab_size': 30522,\n",
       " 'hidden_size': 1024,\n",
       " 'num_hidden_layers': 24,\n",
       " 'num_attention_heads': 16,\n",
       " 'hidden_act': 'gelu',\n",
       " 'intermediate_size': 4096,\n",
       " 'hidden_dropout_prob': 0.1,\n",
       " 'attention_probs_dropout_prob': 0.1,\n",
       " 'max_position_embeddings': 512,\n",
       " 'type_vocab_size': 2,\n",
       " 'initializer_range': 0.02}"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import configure_finetuning\n",
    "from util import training_utils\n",
    "\n",
    "hparams = {'model_size': 'large', 'vocab_size': 30522}\n",
    "config = configure_finetuning.FinetuningConfig('electra-large', './', **hparams)\n",
    "bert_config = training_utils.get_bert_config(config)\n",
    "\n",
    "bert_config.__dict__"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "import tensorflow as tf\n",
    "from model import modeling\n",
    "from model import optimization"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "# !wget https://raw.githubusercontent.com/huseinzol05/NLP-Models-Tensorflow/master/text-classification/utils.py\n",
    "# !wget https://raw.githubusercontent.com/huseinzol05/NLP-Models-Tensorflow/master/text-classification/data.zip\n",
    "# !unzip data.zip"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [],
   "source": [
    "from utils import *\n",
    "from sklearn.model_selection import train_test_split"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "['negative', 'positive']\n",
      "10662\n",
      "10662\n"
     ]
    }
   ],
   "source": [
    "trainset = sklearn.datasets.load_files(container_path = 'data', encoding = 'UTF-8')\n",
    "trainset.data, trainset.target = separate_dataset(trainset,1.0)\n",
    "print (trainset.target_names)\n",
    "print (len(trainset.data))\n",
    "print (len(trainset.target))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "MAX_SEQ_LENGTH = 100"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "from model import tokenization\n",
    "\n",
    "tokenizer = tokenization.FullTokenizer(\n",
    "        vocab_file='electra_base/vocab.txt',\n",
    "        do_lower_case=True)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "100%|██████████| 10662/10662 [00:02<00:00, 3885.42it/s]\n"
     ]
    }
   ],
   "source": [
    "from tqdm import tqdm\n",
    "\n",
    "input_ids, input_masks, segment_ids = [], [], []\n",
    "\n",
    "for text in tqdm(trainset.data):\n",
    "    tokens_a = tokenizer.tokenize(text.lower())\n",
    "    if len(tokens_a) > MAX_SEQ_LENGTH - 2:\n",
    "        tokens_a = tokens_a[:(MAX_SEQ_LENGTH - 2)]\n",
    "    tokens = [\"[CLS]\"] + tokens_a + [\"[SEP]\"]\n",
    "    segment_id = [0] * len(tokens)\n",
    "    input_id = tokenizer.convert_tokens_to_ids(tokens)\n",
    "    input_mask = [1] * len(input_id)\n",
    "    padding = [0] * (MAX_SEQ_LENGTH - len(input_id))\n",
    "    input_id += padding\n",
    "    input_mask += padding\n",
    "    segment_id += padding\n",
    "    \n",
    "    input_ids.append(input_id)\n",
    "    input_masks.append(input_mask)\n",
    "    segment_ids.append(segment_id)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [],
   "source": [
    "batch_size = 32\n",
    "epoch = 10\n",
    "num_train_steps = int(len(input_ids) / batch_size * epoch)\n",
    "\n",
    "class Model:\n",
    "    def __init__(\n",
    "        self,\n",
    "        dimension_output\n",
    "    ):\n",
    "        self.X = tf.placeholder(tf.int32, [None, None])\n",
    "        self.segment_ids = tf.placeholder(tf.int32, [None, None])\n",
    "        self.input_masks = tf.placeholder(tf.int32, [None, None])\n",
    "        self.Y = tf.placeholder(tf.int32, [None])\n",
    "        \n",
    "        model = modeling.BertModel(\n",
    "            bert_config=bert_config,\n",
    "            is_training=False,\n",
    "            input_ids=self.X,\n",
    "            input_mask=self.input_masks,\n",
    "            token_type_ids=self.segment_ids,\n",
    "            use_one_hot_embeddings=False)\n",
    "        \n",
    "        output_layer = model.get_pooled_output()\n",
    "        with tf.variable_scope(\"task_specific/classify\"):\n",
    "            self.logits = tf.layers.dense(output_layer, dimension_output)\n",
    "        \n",
    "        self.cost = tf.reduce_mean(\n",
    "            tf.nn.sparse_softmax_cross_entropy_with_logits(\n",
    "                logits = self.logits, labels = self.Y\n",
    "            )\n",
    "        )\n",
    "        self.optimizer = optimization.create_optimizer(\n",
    "              self.cost, config.learning_rate, num_train_steps,\n",
    "              weight_decay_rate=config.weight_decay_rate,\n",
    "              use_tpu=config.use_tpu,\n",
    "              warmup_proportion=config.warmup_proportion,\n",
    "              layerwise_lr_decay_power=config.layerwise_lr_decay,\n",
    "              n_transformer_layers=bert_config.num_hidden_layers\n",
    "          )\n",
    "        \n",
    "        correct_pred = tf.equal(\n",
    "            tf.argmax(self.logits, 1, output_type = tf.int32), self.Y\n",
    "        )\n",
    "        self.accuracy = tf.reduce_mean(tf.cast(correct_pred, tf.float32))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "WARNING:tensorflow:From /home/husein/nlp-english/electra/model/modeling.py:698: dense (from tensorflow.python.layers.core) is deprecated and will be removed in a future version.\n",
      "Instructions for updating:\n",
      "Use keras.layers.Dense instead.\n",
      "WARNING:tensorflow:From /home/husein/.local/lib/python3.6/site-packages/tensorflow_core/python/layers/core.py:187: Layer.apply (from tensorflow.python.keras.engine.base_layer) is deprecated and will be removed in a future version.\n",
      "Instructions for updating:\n",
      "Please use `layer.__call__` method instead.\n",
      "WARNING:tensorflow:From /home/husein/.local/lib/python3.6/site-packages/tensorflow_core/python/ops/clip_ops.py:301: where (from tensorflow.python.ops.array_ops) is deprecated and will be removed in a future version.\n",
      "Instructions for updating:\n",
      "Use tf.where in 2.0, which has the same broadcast rule as np.where\n"
     ]
    }
   ],
   "source": [
    "dimension_output = 2\n",
    "\n",
    "tf.reset_default_graph()\n",
    "sess = tf.InteractiveSession()\n",
    "model = Model(\n",
    "    dimension_output\n",
    ")\n",
    "\n",
    "sess.run(tf.global_variables_initializer())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {
    "scrolled": true
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "INFO:tensorflow:Restoring parameters from electra_large/electra_large\n"
     ]
    }
   ],
   "source": [
    "var_lists = tf.get_collection(tf.GraphKeys.TRAINABLE_VARIABLES, scope = 'electra')\n",
    "saver = tf.train.Saver(var_list = var_lists)\n",
    "saver.restore(sess, 'electra_large/electra_large')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [],
   "source": [
    "train_input_ids, test_input_ids, train_input_masks, test_input_masks, train_segment_ids, test_segment_ids, train_Y, test_Y = train_test_split(\n",
    "    input_ids, input_masks, segment_ids, trainset.target, test_size = 0.2\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "scrolled": false
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "train minibatch loop: 100%|██████████| 267/267 [03:19<00:00,  1.34it/s, accuracy=0.824, cost=0.335]\n",
      "test minibatch loop: 100%|██████████| 67/67 [00:14<00:00,  4.73it/s, accuracy=0.81, cost=0.379] \n",
      "train minibatch loop:   0%|          | 0/267 [00:00<?, ?it/s]"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "epoch: 0, pass acc: 0.000000, current acc: 0.866810\n",
      "time taken: 213.22879219055176\n",
      "epoch: 0, training loss: 0.502306, training acc: 0.758512, valid loss: 0.338363, valid acc: 0.866810\n",
      "\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "train minibatch loop: 100%|██████████| 267/267 [03:01<00:00,  1.47it/s, accuracy=1, cost=0.0205]    \n",
      "test minibatch loop: 100%|██████████| 67/67 [00:13<00:00,  4.92it/s, accuracy=0.81, cost=0.361]  \n",
      "train minibatch loop:   0%|          | 0/267 [00:00<?, ?it/s]"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "epoch: 1, pass acc: 0.866810, current acc: 0.875248\n",
      "time taken: 195.37280297279358\n",
      "epoch: 1, training loss: 0.290128, training acc: 0.893188, valid loss: 0.393547, valid acc: 0.875248\n",
      "\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "train minibatch loop: 100%|██████████| 267/267 [03:01<00:00,  1.47it/s, accuracy=1, cost=0.00359]   \n",
      "test minibatch loop: 100%|██████████| 67/67 [00:13<00:00,  4.92it/s, accuracy=0.857, cost=0.671]\n",
      "train minibatch loop:   0%|          | 0/267 [00:00<?, ?it/s]"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "time taken: 195.456800699234\n",
      "epoch: 2, training loss: 0.151260, training acc: 0.959198, valid loss: 0.566351, valid acc: 0.872681\n",
      "\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "train minibatch loop:  21%|██▏       | 57/267 [00:38<02:23,  1.47it/s, accuracy=0.969, cost=0.129] "
     ]
    }
   ],
   "source": [
    "from tqdm import tqdm\n",
    "import time\n",
    "\n",
    "EARLY_STOPPING, CURRENT_CHECKPOINT, CURRENT_ACC, EPOCH = 3, 0, 0, 0\n",
    "\n",
    "while True:\n",
    "    lasttime = time.time()\n",
    "    if CURRENT_CHECKPOINT == EARLY_STOPPING:\n",
    "        print('break epoch:%d\\n' % (EPOCH))\n",
    "        break\n",
    "\n",
    "    train_acc, train_loss, test_acc, test_loss = 0, 0, 0, 0\n",
    "    pbar = tqdm(\n",
    "        range(0, len(train_input_ids), batch_size), desc = 'train minibatch loop'\n",
    "    )\n",
    "    for i in pbar:\n",
    "        index = min(i + batch_size, len(train_input_ids))\n",
    "        batch_x = train_input_ids[i: index]\n",
    "        batch_masks = train_input_masks[i: index]\n",
    "        batch_segment = train_segment_ids[i: index]\n",
    "        batch_y = train_Y[i: index]\n",
    "        acc, cost, _ = sess.run(\n",
    "            [model.accuracy, model.cost, model.optimizer],\n",
    "            feed_dict = {\n",
    "                model.Y: batch_y,\n",
    "                model.X: batch_x,\n",
    "                model.segment_ids: batch_segment,\n",
    "                model.input_masks: batch_masks\n",
    "            },\n",
    "        )\n",
    "        assert not np.isnan(cost)\n",
    "        train_loss += cost\n",
    "        train_acc += acc\n",
    "        pbar.set_postfix(cost = cost, accuracy = acc)\n",
    "\n",
    "    pbar = tqdm(range(0, len(test_input_ids), batch_size), desc = 'test minibatch loop')\n",
    "    for i in pbar:\n",
    "        index = min(i + batch_size, len(test_input_ids))\n",
    "        batch_x = test_input_ids[i: index]\n",
    "        batch_masks = test_input_masks[i: index]\n",
    "        batch_segment = test_segment_ids[i: index]\n",
    "        batch_y = test_Y[i: index]\n",
    "        acc, cost = sess.run(\n",
    "            [model.accuracy, model.cost],\n",
    "            feed_dict = {\n",
    "                model.Y: batch_y,\n",
    "                model.X: batch_x,\n",
    "                model.segment_ids: batch_segment,\n",
    "                model.input_masks: batch_masks\n",
    "            },\n",
    "        )\n",
    "        test_loss += cost\n",
    "        test_acc += acc\n",
    "        pbar.set_postfix(cost = cost, accuracy = acc)\n",
    "\n",
    "    train_loss /= len(train_input_ids) / batch_size\n",
    "    train_acc /= len(train_input_ids) / batch_size\n",
    "    test_loss /= len(test_input_ids) / batch_size\n",
    "    test_acc /= len(test_input_ids) / batch_size\n",
    "\n",
    "    if test_acc > CURRENT_ACC:\n",
    "        print(\n",
    "            'epoch: %d, pass acc: %f, current acc: %f'\n",
    "            % (EPOCH, CURRENT_ACC, test_acc)\n",
    "        )\n",
    "        CURRENT_ACC = test_acc\n",
    "        CURRENT_CHECKPOINT = 0\n",
    "    else:\n",
    "        CURRENT_CHECKPOINT += 1\n",
    "        \n",
    "    print('time taken:', time.time() - lasttime)\n",
    "    print(\n",
    "        'epoch: %d, training loss: %f, training acc: %f, valid loss: %f, valid acc: %f\\n'\n",
    "        % (EPOCH, train_loss, train_acc, test_loss, test_acc)\n",
    "    )\n",
    "    EPOCH += 1"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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