diff --git a/fluid/PaddleNLP/language_model/.run_ce.sh b/fluid/PaddleNLP/language_model/gru/.run_ce.sh similarity index 100% rename from fluid/PaddleNLP/language_model/.run_ce.sh rename to fluid/PaddleNLP/language_model/gru/.run_ce.sh diff --git a/fluid/PaddleNLP/language_model/README.md b/fluid/PaddleNLP/language_model/gru/README.md similarity index 100% rename from fluid/PaddleNLP/language_model/README.md rename to fluid/PaddleNLP/language_model/gru/README.md diff --git a/fluid/PaddleNLP/language_model/_ce.py b/fluid/PaddleNLP/language_model/gru/_ce.py similarity index 100% rename from fluid/PaddleNLP/language_model/_ce.py rename to fluid/PaddleNLP/language_model/gru/_ce.py diff --git a/fluid/PaddleNLP/language_model/infer.py b/fluid/PaddleNLP/language_model/gru/infer.py similarity index 100% rename from fluid/PaddleNLP/language_model/infer.py rename to fluid/PaddleNLP/language_model/gru/infer.py diff --git a/fluid/PaddleNLP/language_model/train.py b/fluid/PaddleNLP/language_model/gru/train.py similarity index 92% rename from fluid/PaddleNLP/language_model/train.py rename to fluid/PaddleNLP/language_model/gru/train.py index 5b690dc584f8c9fc04a9ab9cf00d2dc8d02490be..a999d37e4142044b5ae9340d2db514cb1183c4e1 100644 --- a/fluid/PaddleNLP/language_model/train.py +++ b/fluid/PaddleNLP/language_model/gru/train.py @@ -22,10 +22,7 @@ def parse_args(): help='If set, run \ the task with continuous evaluation logs.') parser.add_argument( - '--num_devices', - type=int, - default=1, - help='Number of GPU devices') + '--num_devices', type=int, default=1, help='Number of GPU devices') args = parser.parse_args() return args @@ -129,15 +126,15 @@ def train(train_reader, newest_ppl = 0 for data in train_reader(): i += 1 - lod_src_wordseq = utils.to_lodtensor( - [dat[0] for dat in data], place) - lod_dst_wordseq = utils.to_lodtensor( - [dat[1] for dat in data], place) + lod_src_wordseq = utils.to_lodtensor([dat[0] for dat in data], + place) + lod_dst_wordseq = utils.to_lodtensor([dat[1] for dat in data], + place) ret_avg_cost = train_exe.run(feed={ "src_wordseq": lod_src_wordseq, "dst_wordseq": lod_dst_wordseq }, - fetch_list=fetch_list) + fetch_list=fetch_list) avg_ppl = np.exp(ret_avg_cost[0]) newest_ppl = np.mean(avg_ppl) if i % 100 == 0: @@ -145,8 +142,8 @@ def train(train_reader, t1 = time.time() total_time += t1 - t0 - print("epoch:%d num_steps:%d time_cost(s):%f" % (epoch_idx, i, - total_time / epoch_idx)) + print("epoch:%d num_steps:%d time_cost(s):%f" % + (epoch_idx, i, total_time / epoch_idx)) if pass_idx == pass_num - 1 and args.enable_ce: #Note: The following logs are special for CE monitoring. diff --git a/fluid/PaddleNLP/language_model/train_on_cloud.py b/fluid/PaddleNLP/language_model/gru/train_on_cloud.py similarity index 98% rename from fluid/PaddleNLP/language_model/train_on_cloud.py rename to fluid/PaddleNLP/language_model/gru/train_on_cloud.py index 41a0c60963681a811e7b16026ea46a9def7cbc99..9a912a1e4ffc552f699cd4d9d41999bb3422d369 100644 --- a/fluid/PaddleNLP/language_model/train_on_cloud.py +++ b/fluid/PaddleNLP/language_model/gru/train_on_cloud.py @@ -236,8 +236,8 @@ def do_train(train_reader, t1 = time.time() total_time += t1 - t0 - print("epoch:%d num_steps:%d time_cost(s):%f" % (epoch_idx, i, - total_time / epoch_idx)) + print("epoch:%d num_steps:%d time_cost(s):%f" % + (epoch_idx, i, total_time / epoch_idx)) save_dir = "%s/epoch_%d" % (model_dir, epoch_idx) feed_var_names = ["src_wordseq", "dst_wordseq"] diff --git a/fluid/PaddleNLP/language_model/utils.py b/fluid/PaddleNLP/language_model/gru/utils.py similarity index 100% rename from fluid/PaddleNLP/language_model/utils.py rename to fluid/PaddleNLP/language_model/gru/utils.py diff --git a/fluid/PaddleNLP/language_model/lstm/.run_ce.sh b/fluid/PaddleNLP/language_model/lstm/.run_ce.sh new file mode 100644 index 0000000000000000000000000000000000000000..8c192ad62e5b66bc4c7f3150d2e24507662491d8 --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/.run_ce.sh @@ -0,0 +1,11 @@ +export CUDA_VISIBLE_DEVICES=0 +cd data +sh download_data.sh +cd .. + +python train.py \ + --data_path data/simple-examples/data/ \ + --model_type small \ + --use_gpu True \ + --enable_ce | python _ce.py + diff --git a/fluid/PaddleNLP/language_model/lstm/README.md b/fluid/PaddleNLP/language_model/lstm/README.md new file mode 100644 index 0000000000000000000000000000000000000000..f6d1250ff66a066c8634eca9c3f74312f00a7749 --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/README.md @@ -0,0 +1,76 @@ +# lstm lm + +以下是本例的简要目录结构及说明： + +```text +. +├── README.md # 文档 +├── train.py # 训练脚本 +├── reader.py # 数据读取 +└── lm_model.py # 模型定义文件 +``` + + +## 简介 + +循环神经网络语言模型的介绍可以参阅论文[Recurrent Neural Network Regularization](https://arxiv.org/abs/1409.2329)，本文主要是说明基于lstm的语言的模型的实现，数据是采用ptb dataset，下载地址为 +http://www.fit.vutbr.cz/~imikolov/rnnlm/simple-examples.tgz + +## 数据下载 +用户可以自行下载数据，并解压， 也可以利用目录中的脚本 + +cd data; sh download_data.sh + +## 训练 + +运行命令 +`CUDA_VISIBLE_DEVICES=0 python train.py --data_path data/simple-examples/data/ --model_type small --use_gpu True` + 开始训练模型。 + +model_type 为模型配置的大小，目前支持 small，medium, large 三种配置形式 + +实现采用双层的lstm，具体的参数和网络配置 可以参考 train.py， lm_model.py 文件中的设置 + + +## 训练结果示例 + +p40中训练日志如下（small config）， test 测试集仅在最后一个epoch完成后进行测试 +```text +epoch id 0 +ppl 232 865.86505 1.0 +ppl 464 632.76526 1.0 +ppl 696 510.47153 1.0 +ppl 928 437.60617 1.0 +ppl 1160 393.38422 1.0 +ppl 1392 353.05365 1.0 +ppl 1624 325.73267 1.0 +ppl 1856 305.488 1.0 +ppl 2088 286.3128 1.0 +ppl 2320 270.91504 1.0 +train ppl 270.86246 +valid ppl 181.867964379 +... +ppl 2320 40.975872 0.001953125 +train ppl 40.974102 +valid ppl 117.85741214 +test ppl 113.939103843 +``` +## 与tf结果对比 + +tf采用的版本是1.6 +```text +small config + train valid test +fluid 1.0 40.962 118.111 112.617 +tf 1.6 40.492 118.329 113.788 + +medium config + train valid test +fluid 1.0 45.620 87.398 83.682 +tf 1.6 45.594 87.363 84.015 + +large config + train valid test +fluid 1.0 37.221 82.358 78.137 +tf 1.6 38.342 82.311 78.121 +``` diff --git a/fluid/PaddleNLP/language_model/lstm/_ce.py b/fluid/PaddleNLP/language_model/lstm/_ce.py new file mode 100644 index 0000000000000000000000000000000000000000..f537f6aa62dd502c79174fadedda0da621c8eb7b --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/_ce.py @@ -0,0 +1,56 @@ +# this file is only used for continuous evaluation test! + +import os +import sys +sys.path.append(os.environ['ceroot']) +from kpi import CostKpi +from kpi import DurationKpi + +imikolov_20_avg_ppl_kpi = CostKpi('lstm_language_model_loss', 0.02, 0) +imikolov_20_pass_duration_kpi = DurationKpi( + 'lstm_language_model_duration', 0.02, 0, actived=True) + +tracking_kpis = [ + imikolov_20_avg_ppl_kpi, + imikolov_20_pass_duration_kpi, +] + + +def parse_log(log): + ''' + This method should be implemented by model developers. + + The suggestion: + + each line in the log should be key, value, for example: + + " + train_cost\t1.0 + test_cost\t1.0 + train_cost\t1.0 + train_cost\t1.0 + train_acc\t1.2 + " + ''' + for line in log.split('\n'): + fs = line.strip().split('\t') + print(fs) + kpi_name = fs[0] + kpi_value = float(fs[1]) + yield kpi_name, kpi_value + + +def log_to_ce(log): + kpi_tracker = {} + for kpi in tracking_kpis: + kpi_tracker[kpi.name] = kpi + + for (kpi_name, kpi_value) in parse_log(log): + print(kpi_name, kpi_value) + kpi_tracker[kpi_name].add_record(kpi_value) + kpi_tracker[kpi_name].persist() + + +if __name__ == '__main__': + log = sys.stdin.read() + log_to_ce(log) diff --git a/fluid/PaddleNLP/language_model/lstm/args.py b/fluid/PaddleNLP/language_model/lstm/args.py new file mode 100644 index 0000000000000000000000000000000000000000..498fd9437885238c09e721ee6b182c6d6764398b --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/args.py @@ -0,0 +1,40 @@ +# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from __future__ import absolute_import +from __future__ import division +from __future__ import print_function + +import argparse +import distutils.util + + +def parse_args(): + parser = argparse.ArgumentParser(description=__doc__) + parser.add_argument( + "--model_type", + type=str, + default="small", + help="model_type [test|small|med|big]") + parser.add_argument( + "--data_path", type=str, help="all the data for train,valid,test") + parser.add_argument('--para_init', action='store_true') + parser.add_argument( + '--use_gpu', type=bool, default=False, help='whether using gpu') + parser.add_argument( + '--log_path', + help='path of the log file. If not set, logs are printed to console') + parser.add_argument('--enable_ce', action='store_true') + args = parser.parse_args() + return args diff --git a/fluid/PaddleNLP/language_model/lstm/data/download_data.sh b/fluid/PaddleNLP/language_model/lstm/data/download_data.sh new file mode 100644 index 0000000000000000000000000000000000000000..29966c7663a60ad802e273727496acb6381c98ca --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/data/download_data.sh @@ -0,0 +1,4 @@ + +wget http://www.fit.vutbr.cz/~imikolov/rnnlm/simple-examples.tgz + +tar -xzvf simple-examples.tgz diff --git a/fluid/PaddleNLP/language_model/lstm/lm_model.py b/fluid/PaddleNLP/language_model/lstm/lm_model.py new file mode 100644 index 0000000000000000000000000000000000000000..b52b18f9b95ea4654ca35419fb8b4b577e586577 --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/lm_model.py @@ -0,0 +1,285 @@ +# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from __future__ import absolute_import +from __future__ import division +from __future__ import print_function + +import paddle.fluid.layers as layers +import paddle.fluid as fluid +from paddle.fluid.layers.control_flow import StaticRNN as PaddingRNN +import numpy as np + + +def lm_model(hidden_size, + vocab_size, + batch_size, + num_layers=2, + num_steps=20, + init_scale=0.1, + dropout=None): + def padding_rnn(input_embedding, len=3, init_hidden=None, init_cell=None): + weight_1_arr = [] + weight_2_arr = [] + bias_arr = [] + hidden_array = [] + cell_array = [] + mask_array = [] + for i in range(num_layers): + weight_1 = layers.create_parameter([hidden_size * 2, hidden_size*4], dtype="float32", name="fc_weight1_"+str(i), \ + default_initializer=fluid.initializer.UniformInitializer(low=-init_scale, high=init_scale)) + weight_1_arr.append(weight_1) + bias_1 = layers.create_parameter( + [hidden_size * 4], + dtype="float32", + name="fc_bias1_" + str(i), + default_initializer=fluid.initializer.Constant(0.0)) + bias_arr.append(bias_1) + + pre_hidden = layers.slice( + init_hidden, axes=[0], starts=[i], ends=[i + 1]) + pre_cell = layers.slice( + init_cell, axes=[0], starts=[i], ends=[i + 1]) + pre_hidden = layers.reshape(pre_hidden, shape=[-1, hidden_size]) + pre_cell = layers.reshape(pre_cell, shape=[-1, hidden_size]) + hidden_array.append(pre_hidden) + cell_array.append(pre_cell) + + input_embedding = layers.transpose(input_embedding, perm=[1, 0, 2]) + rnn = PaddingRNN() + + with rnn.step(): + input = rnn.step_input(input_embedding) + for k in range(num_layers): + pre_hidden = rnn.memory(init=hidden_array[k]) + pre_cell = rnn.memory(init=cell_array[k]) + weight_1 = weight_1_arr[k] + bias = bias_arr[k] + + nn = layers.concat([input, pre_hidden], 1) + gate_input = layers.matmul(x=nn, y=weight_1) + + gate_input = layers.elementwise_add(gate_input, bias) + #i, j, f, o = layers.split(gate_input, num_or_sections=4, dim=-1) + i = layers.slice( + gate_input, axes=[1], starts=[0], ends=[hidden_size]) + j = layers.slice( + gate_input, + axes=[1], + starts=[hidden_size], + ends=[hidden_size * 2]) + f = layers.slice( + gate_input, + axes=[1], + starts=[hidden_size * 2], + ends=[hidden_size * 3]) + o = layers.slice( + gate_input, + axes=[1], + starts=[hidden_size * 3], + ends=[hidden_size * 4]) + + c = pre_cell * layers.sigmoid(f) + layers.sigmoid( + i) * layers.tanh(j) + m = layers.tanh(c) * layers.sigmoid(o) + + rnn.update_memory(pre_hidden, m) + rnn.update_memory(pre_cell, c) + + rnn.step_output(m) + rnn.step_output(c) + + input = m + + if dropout != None and dropout > 0.0: + input = layers.dropout( + input, + dropout_prob=dropout, + dropout_implementation='upscale_in_train') + + rnn.step_output(input) + #real_res = layers.concat(res, 0) + rnnout = rnn() + + last_hidden_array = [] + last_cell_array = [] + real_res = rnnout[-1] + for i in range(num_layers): + m = rnnout[i * 2] + c = rnnout[i * 2 + 1] + m.stop_gradient = True + c.stop_gradient = True + last_h = layers.slice( + m, axes=[0], starts=[num_steps - 1], ends=[num_steps]) + last_hidden_array.append(last_h) + last_c = layers.slice( + c, axes=[0], starts=[num_steps - 1], ends=[num_steps]) + last_cell_array.append(last_c) + ''' + else: + real_res = rnnout[-1] + for i in range( num_layers ): + + m1, c1, m2, c2 = rnnout + real_res = m2 + m1.stop_gradient = True + c1.stop_gradient = True + c2.stop_gradient = True + ''' + + #layers.Print( first_hidden, message="22", summarize=10) + #layers.Print( rnnout[1], message="11", summarize=10) + #real_res = ( rnnout[1] + rnnout[2] + rnnout[3] + rnnout[4]) / 4.0 + real_res = layers.transpose(x=real_res, perm=[1, 0, 2]) + last_hidden = layers.concat(last_hidden_array, 0) + last_cell = layers.concat(last_cell_array, 0) + ''' + last_hidden = layers.concat( hidden_array, 1 ) + last_hidden = layers.reshape( last_hidden, shape=[-1, num_layers, hidden_size]) + last_hidden = layers.transpose( x = last_hidden, perm = [1, 0, 2]) + last_cell = layers.concat( cell_array, 1) + last_cell = layers.reshape( last_cell, shape=[ -1, num_layers, hidden_size]) + last_cell = layers.transpose( x = last_cell, perm = [1, 0, 2]) + ''' + + return real_res, last_hidden, last_cell + + def encoder_static(input_embedding, len=3, init_hidden=None, + init_cell=None): + + weight_1_arr = [] + weight_2_arr = [] + bias_arr = [] + hidden_array = [] + cell_array = [] + mask_array = [] + for i in range(num_layers): + weight_1 = layers.create_parameter([hidden_size * 2, hidden_size*4], dtype="float32", name="fc_weight1_"+str(i), \ + default_initializer=fluid.initializer.UniformInitializer(low=-init_scale, high=init_scale)) + weight_1_arr.append(weight_1) + bias_1 = layers.create_parameter( + [hidden_size * 4], + dtype="float32", + name="fc_bias1_" + str(i), + default_initializer=fluid.initializer.Constant(0.0)) + bias_arr.append(bias_1) + + pre_hidden = layers.slice( + init_hidden, axes=[0], starts=[i], ends=[i + 1]) + pre_cell = layers.slice( + init_cell, axes=[0], starts=[i], ends=[i + 1]) + pre_hidden = layers.reshape(pre_hidden, shape=[-1, hidden_size]) + pre_cell = layers.reshape(pre_cell, shape=[-1, hidden_size]) + hidden_array.append(pre_hidden) + cell_array.append(pre_cell) + + res = [] + for index in range(len): + input = layers.slice( + input_embedding, axes=[1], starts=[index], ends=[index + 1]) + input = layers.reshape(input, shape=[-1, hidden_size]) + for k in range(num_layers): + pre_hidden = hidden_array[k] + pre_cell = cell_array[k] + weight_1 = weight_1_arr[k] + bias = bias_arr[k] + + nn = layers.concat([input, pre_hidden], 1) + gate_input = layers.matmul(x=nn, y=weight_1) + + gate_input = layers.elementwise_add(gate_input, bias) + i, j, f, o = layers.split(gate_input, num_or_sections=4, dim=-1) + + c = pre_cell * layers.sigmoid(f) + layers.sigmoid( + i) * layers.tanh(j) + m = layers.tanh(c) * layers.sigmoid(o) + + hidden_array[k] = m + cell_array[k] = c + input = m + + if dropout != None and dropout > 0.0: + input = layers.dropout( + input, + dropout_prob=dropout, + dropout_implementation='upscale_in_train') + + res.append(layers.reshape(input, shape=[1, -1, hidden_size])) + real_res = layers.concat(res, 0) + real_res = layers.transpose(x=real_res, perm=[1, 0, 2]) + last_hidden = layers.concat(hidden_array, 1) + last_hidden = layers.reshape( + last_hidden, shape=[-1, num_layers, hidden_size]) + last_hidden = layers.transpose(x=last_hidden, perm=[1, 0, 2]) + last_cell = layers.concat(cell_array, 1) + last_cell = layers.reshape( + last_cell, shape=[-1, num_layers, hidden_size]) + last_cell = layers.transpose(x=last_cell, perm=[1, 0, 2]) + + return real_res, last_hidden, last_cell + + x = layers.data(name="x", shape=[-1, 1, 1], dtype='int64') + y = layers.data(name="y", shape=[-1, 1], dtype='float32') + + init_hidden = layers.data(name="init_hidden", shape=[1], dtype='float32') + init_cell = layers.data(name="init_cell", shape=[1], dtype='float32') + + init_hidden = layers.reshape( + init_hidden, shape=[num_layers, -1, hidden_size]) + init_cell = layers.reshape(init_cell, shape=[num_layers, -1, hidden_size]) + + x_emb = layers.embedding( + input=x, + size=[vocab_size, hidden_size], + dtype='float32', + is_sparse=True, + param_attr=fluid.ParamAttr( + name='embedding_para', + initializer=fluid.initializer.UniformInitializer( + low=-init_scale, high=init_scale))) + + x_emb = layers.reshape(x_emb, shape=[-1, num_steps, hidden_size]) + if dropout != None and dropout > 0.0: + x_emb = layers.dropout( + x_emb, + dropout_prob=dropout, + dropout_implementation='upscale_in_train') + + rnn_out, last_hidden, last_cell = padding_rnn( + x_emb, len=num_steps, init_hidden=init_hidden, init_cell=init_cell) + rnn_out = layers.reshape(rnn_out, shape=[-1, num_steps, hidden_size]) + + + softmax_weight = layers.create_parameter([hidden_size, vocab_size], dtype="float32", name="softmax_weight", \ + default_initializer=fluid.initializer.UniformInitializer(low=-init_scale, high=init_scale)) + softmax_bias = layers.create_parameter([vocab_size], dtype="float32", name='softmax_bias', \ + default_initializer=fluid.initializer.UniformInitializer(low=-init_scale, high=init_scale)) + + projection = layers.matmul(rnn_out, softmax_weight) + projection = layers.elementwise_add(projection, softmax_bias) + + projection = layers.reshape(projection, shape=[-1, vocab_size]) + #y = layers.reshape( y, shape=[-1, vocab_size]) + + loss = layers.softmax_with_cross_entropy( + logits=projection, label=y, soft_label=False) + + loss = layers.reshape(loss, shape=[-1, num_steps]) + loss = layers.reduce_mean(loss, dim=[0]) + loss = layers.reduce_sum(loss) + + loss.permissions = True + + feeding_list = ['x', 'y', 'init_hidden', 'init_cell'] + return loss, last_hidden, last_cell, feeding_list diff --git a/fluid/PaddleNLP/language_model/lstm/reader.py b/fluid/PaddleNLP/language_model/lstm/reader.py new file mode 100644 index 0000000000000000000000000000000000000000..50e8835ec8b96bf37a7b972700a588034d41425c --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/reader.py @@ -0,0 +1,105 @@ +# Copyright 2015 The TensorFlow Authors. All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# ============================================================================== +"""Utilities for parsing PTB text files.""" +from __future__ import absolute_import +from __future__ import division +from __future__ import print_function + +import collections +import os +import sys +import numpy as np + +Py3 = sys.version_info[0] == 3 + + +def _read_words(filename): + data = [] + with open(filename, "r") as f: + return f.read().decode("utf-8").replace("\n", "").split() + + +def _build_vocab(filename): + data = _read_words(filename) + + counter = collections.Counter(data) + count_pairs = sorted(counter.items(), key=lambda x: (-x[1], x[0])) + + words, _ = list(zip(*count_pairs)) + + print("vocab word num", len(words)) + word_to_id = dict(zip(words, range(len(words)))) + + return word_to_id + + +def _file_to_word_ids(filename, word_to_id): + data = _read_words(filename) + return [word_to_id[word] for word in data if word in word_to_id] + + +def ptb_raw_data(data_path=None): + """Load PTB raw data from data directory "data_path". + + Reads PTB text files, converts strings to integer ids, + and performs mini-batching of the inputs. + + The PTB dataset comes from Tomas Mikolov's webpage: + + http://www.fit.vutbr.cz/~imikolov/rnnlm/simple-examples.tgz + + Args: + data_path: string path to the directory where simple-examples.tgz has + been extracted. + + Returns: + tuple (train_data, valid_data, test_data, vocabulary) + where each of the data objects can be passed to PTBIterator. + """ + + train_path = os.path.join(data_path, "ptb.train.txt") + #train_path = os.path.join(data_path, "train.fake") + valid_path = os.path.join(data_path, "ptb.valid.txt") + test_path = os.path.join(data_path, "ptb.test.txt") + + word_to_id = _build_vocab(train_path) + train_data = _file_to_word_ids(train_path, word_to_id) + valid_data = _file_to_word_ids(valid_path, word_to_id) + test_data = _file_to_word_ids(test_path, word_to_id) + vocabulary = len(word_to_id) + return train_data, valid_data, test_data, vocabulary + + +def get_data_iter(raw_data, batch_size, num_steps): + data_len = len(raw_data) + raw_data = np.asarray(raw_data, dtype="int64") + + #print( "raw", raw_data[:20] ) + + batch_len = data_len // batch_size + + data = raw_data[0:batch_size * batch_len].reshape((batch_size, batch_len)) + + #h = data.reshape( (-1)) + #print( "h", h[:20]) + + epoch_size = (batch_len - 1) // num_steps + for i in range(epoch_size): + start = i * num_steps + #print( i * num_steps ) + x = np.copy(data[:, i * num_steps:(i + 1) * num_steps]) + y = np.copy(data[:, i * num_steps + 1:(i + 1) * num_steps + 1]) + + yield (x, y) diff --git a/fluid/PaddleNLP/language_model/lstm/train.py b/fluid/PaddleNLP/language_model/lstm/train.py new file mode 100644 index 0000000000000000000000000000000000000000..fc058c6a0e80f4aeba76656fe505207846d66e2f --- /dev/null +++ b/fluid/PaddleNLP/language_model/lstm/train.py @@ -0,0 +1,300 @@ +# Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from __future__ import absolute_import +from __future__ import division +from __future__ import print_function + +import numpy as np +import time +import os +import random + +import math + +import paddle +import paddle.fluid as fluid +import paddle.fluid.core as core +import paddle.fluid.framework as framework +from paddle.fluid.executor import Executor + +import reader + +import sys +if sys.version[0] == '2': + reload(sys) + sys.setdefaultencoding("utf-8") +sys.path.append('..') +import os +os.environ["TF_CPP_MIN_LOG_LEVEL"] = "3" + +from args import * +import lm_model +import logging +import pickle + +SEED = 123 + + +def get_current_model_para(train_prog, train_exe): + param_list = train_prog.block(0).all_parameters() + param_name_list = [p.name for p in param_list] + + vals = {} + for p_name in param_name_list: + p_array = np.array(fluid.global_scope().find_var(p_name).get_tensor()) + vals[p_name] = p_array + + return vals + + +def save_para_npz(train_prog, train_exe): + print("begin to save model to model_base") + param_list = train_prog.block(0).all_parameters() + param_name_list = [p.name for p in param_list] + + vals = {} + for p_name in param_name_list: + p_array = np.array(fluid.global_scope().find_var(p_name).get_tensor()) + vals[p_name] = p_array + + emb = vals["embedding_para"] + print("begin to save model to model_base") + np.savez("mode_base", **vals) + + +def train(): + args = parse_args() + model_type = args.model_type + logger = logging.getLogger("lm") + logger.setLevel(logging.INFO) + formatter = logging.Formatter( + '%(asctime)s - %(name)s - %(levelname)s - %(message)s') + if args.enable_ce: + fluid.default_startup_program().random_seed = SEED + if args.log_path: + file_handler = logging.FileHandler(args.log_path) + file_handler.setLevel(logging.INFO) + file_handler.setFormatter(formatter) + logger.addHandler(file_handler) + else: + console_handler = logging.StreamHandler() + console_handler.setLevel(logging.INFO) + console_handler.setFormatter(formatter) + logger.addHandler(console_handler) + + logger.info('Running with args : {}'.format(args)) + + vocab_size = 10000 + if model_type == "test": + num_layers = 1 + batch_size = 2 + hidden_size = 10 + num_steps = 3 + init_scale = 0.1 + max_grad_norm = 5.0 + epoch_start_decay = 1 + max_epoch = 1 + dropout = 0.0 + lr_decay = 0.5 + base_learning_rate = 1.0 + elif model_type == "small": + num_layers = 2 + batch_size = 20 + hidden_size = 200 + num_steps = 20 + init_scale = 0.1 + max_grad_norm = 5.0 + epoch_start_decay = 4 + max_epoch = 13 + dropout = 0.0 + lr_decay = 0.5 + base_learning_rate = 1.0 + elif model_type == "medium": + num_layers = 2 + batch_size = 20 + hidden_size = 650 + num_steps = 35 + init_scale = 0.05 + max_grad_norm = 5.0 + epoch_start_decay = 6 + max_epoch = 39 + dropout = 0.5 + lr_decay = 0.8 + base_learning_rate = 1.0 + elif model_type == "large": + num_layers = 2 + batch_size = 20 + hidden_size = 1500 + num_steps = 35 + init_scale = 0.04 + max_grad_norm = 10.0 + epoch_start_decay = 14 + max_epoch = 55 + dropout = 0.65 + lr_decay = 1.0 / 1.15 + base_learning_rate = 1.0 + else: + print("model type not support") + return + + # Training process + loss, last_hidden, last_cell, feed_order = lm_model.lm_model( + hidden_size, + vocab_size, + batch_size, + num_layers=num_layers, + num_steps=num_steps, + init_scale=init_scale, + dropout=dropout) + # clone from default main program and use it as the validation program + main_program = fluid.default_main_program() + inference_program = fluid.default_main_program().clone(for_test=True) + + fluid.clip.set_gradient_clip(clip=fluid.clip.GradientClipByGlobalNorm( + clip_norm=max_grad_norm)) + + learning_rate = fluid.layers.create_global_var( + name="learning_rate", + shape=[1], + value=1.0, + dtype='float32', + persistable=True) + + optimizer = fluid.optimizer.SGD(learning_rate=learning_rate) + + optimizer.minimize(loss) + + place = core.CUDAPlace(0) if args.use_gpu else core.CPUPlace() + exe = Executor(place) + exe.run(framework.default_startup_program()) + + data_path = args.data_path + print("begin to load data") + raw_data = reader.ptb_raw_data(data_path) + print("finished load data") + train_data, valid_data, test_data, _ = raw_data + + def prepare_input(batch, init_hidden, init_cell, epoch_id=0, with_lr=True): + x, y = batch + new_lr = base_learning_rate * (lr_decay**max( + epoch_id + 1 - epoch_start_decay, 0.0)) + lr = np.ones((1), dtype='float32') * new_lr + res = {} + x = x.reshape((-1, num_steps, 1)) + y = y.reshape((-1, 1)) + + res['x'] = x + res['y'] = y + res['init_hidden'] = init_hidden + res['init_cell'] = init_cell + if with_lr: + res['learning_rate'] = lr + + return res + + def eval(data): + # when eval the batch_size set to 1 + eval_data_iter = reader.get_data_iter(data, 1, num_steps) + total_loss = 0.0 + iters = 0 + init_hidden = np.zeros((num_layers, 1, hidden_size), dtype='float32') + init_cell = np.zeros((num_layers, 1, hidden_size), dtype='float32') + for batch_id, batch in enumerate(eval_data_iter): + input_data_feed = prepare_input( + batch, init_hidden, init_cell, epoch_id, with_lr=False) + fetch_outs = exe.run( + inference_program, + feed=input_data_feed, + fetch_list=[loss.name, last_hidden.name, last_cell.name]) + + cost_train = np.array(fetch_outs[0]) + init_hidden = np.array(fetch_outs[1]) + init_cell = np.array(fetch_outs[2]) + + total_loss += cost_train + iters += num_steps + + ppl = np.exp(total_loss / iters) + return ppl + + # get train epoch size + batch_len = len(train_data) // batch_size + epoch_size = (batch_len - 1) // num_steps + log_interval = epoch_size // 10 + total_time = 0.0 + for epoch_id in range(max_epoch): + start_time = time.time() + print("epoch id", epoch_id) + train_data_iter = reader.get_data_iter(train_data, batch_size, + num_steps) + + total_loss = 0 + + init_hidden = None + init_cell = None + #debug_para(fluid.framework.default_main_program(), parallel_executor) + total_loss = 0 + iters = 0 + init_hidden = np.zeros( + (num_layers, batch_size, hidden_size), dtype='float32') + init_cell = np.zeros( + (num_layers, batch_size, hidden_size), dtype='float32') + for batch_id, batch in enumerate(train_data_iter): + input_data_feed = prepare_input( + batch, init_hidden, init_cell, epoch_id=epoch_id) + fetch_outs = exe.run(feed=input_data_feed, + fetch_list=[ + loss.name, last_hidden.name, + last_cell.name, 'learning_rate' + ]) + + cost_train = np.array(fetch_outs[0]) + init_hidden = np.array(fetch_outs[1]) + init_cell = np.array(fetch_outs[2]) + + lr = np.array(fetch_outs[3]) + + total_loss += cost_train + iters += num_steps + if batch_id > 0 and batch_id % log_interval == 0: + ppl = np.exp(total_loss / iters) + print("ppl ", batch_id, ppl[0], lr[0]) + + ppl = np.exp(total_loss / iters) + if epoch_id == 0 and ppl[0] > 1000: + # for bad init, after first epoch, the loss is over 1000 + # no more need to continue + return + end_time = time.time() + total_time += end_time - start_time + print("train ppl", ppl[0]) + + if epoch_id == max_epoch - 1 and args.enable_ce: + print("lstm_language_model_duration\t%s" % (total_time / max_epoch)) + print("lstm_language_model_loss\t%s" % ppl[0]) + + model_path = os.path.join("model_new/", str(epoch_id)) + if not os.path.isdir(model_path): + os.makedirs(model_path) + fluid.io.save_persistables( + executor=exe, dirname=model_path, main_program=main_program) + valid_ppl = eval(valid_data) + print("valid ppl", valid_ppl[0]) + test_ppl = eval(test_data) + print("test ppl", test_ppl[0]) + + +if __name__ == '__main__': + train()