提交 50d1027b 编写于 作者: Z Zeyu Chen

update typo and remove useless variables

上级 14535dd4
# Copyright (c) 2019 PaddlePaddle 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.
"""Finetuning on classification tasks."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import os
import time
import argparse
import numpy as np
import paddle
import paddle.fluid as fluid
import paddle_hub as hub
# yapf: disable
parser = argparse.ArgumentParser(__doc__)
parser.add_argument("--num_epoch", type=int, default=3, help="Number of epoches for fine-tuning.")
parser.add_argument("--learning_rate", type=float, default=5e-5, help="Learning rate used to train with warmup.")
parser.add_argument("--hub_module_dir", type=str, default=None, help="PaddleHub module directory")
parser.add_argument("--lr_scheduler", type=str, default="linear_warmup_decay",
help="scheduler of learning rate.", choices=['linear_warmup_decay', 'noam_decay'])
parser.add_argument("--weight_decay", type=float, default=0.01, help="Weight decay rate for L2 regularizer.")
parser.add_argument("--data_dir", type=str, default=None, help="Path to training data.")
parser.add_argument("--checkpoint_dir", type=str, default=None, help="Directory to model checkpoint")
parser.add_argument("--max_seq_len", type=int, default=512, help="Number of words of the longest seqence.")
parser.add_argument("--batch_size", type=int, default=32, help="Total examples' number in batch for training.")
args = parser.parse_args()
# yapf: enable.
if __name__ == '__main__':
strategy = hub.BERTFinetuneStrategy(weight_decay=args.weight_decay)
config = hub.FinetuneConfig(
log_interval=10,
eval_interval=100,
save_ckpt_interval=200,
checkpoint_dir=args.checkpoint_dir,
learning_rate=args.learning_rate,
num_epoch=args.num_epoch,
batch_size=args.batch_size,
strategy=strategy)
# loading Paddlehub BERT
module = hub.Module(module_dir=args.hub_module_dir)
# Use BERTTokenizeReader to tokenize the dataset according to model's
# vocabulary
reader = hub.reader.BERTTokenizeReader(
dataset=hub.dataset.ChnSentiCorp(), # download chnsenticorp dataset
vocab_path=module.get_vocab_path(),
max_seq_len=args.max_seq_len)
num_labels = len(reader.get_labels())
input_dict, output_dict, program = module.context(
sign_name="tokens", trainable=True, max_seq_len=args.max_seq_len)
with fluid.program_guard(program):
label = fluid.layers.data(name="label", shape=[1], dtype='int64')
# Use "pooled_output" for classification tasks on an entire sentence.
# Use "sequence_outputs" for token-level output.
pooled_output = output_dict["pooled_output"]
# Setup feed list for data feeder
# Must feed all the tensor of bert's module need
feed_list = [
input_dict["input_ids"].name, input_dict["position_ids"].name,
input_dict["segment_ids"].name, input_dict["input_mask"].name,
label.name
]
# Define a classfication finetune task by PaddleHub's API
cls_task = hub.append_mlp_classifier(
pooled_output, label, num_classes=num_labels)
# Finetune and evaluate by PaddleHub's API
# will finish training, evaluation, testing, save model automatically
hub.finetune_and_eval(
task=cls_task,
data_reader=reader,
feed_list=feed_list,
config=config)
export CUDA_VISIBLE_DEVICES=5
DATA_PATH=./chnsenticorp_data
HUB_MODULE_DIR="./hub_module/bert_chinese_L-12_H-768_A-12.hub_module"
#HUB_MODULE_DIR="./hub_module/ernie_stable.hub_module"
CKPT_DIR="./ckpt"
#rm -rf $CKPT_DIR
python -u finetune_with_hub.py \
--batch_size 32 \
--hub_module_dir=$HUB_MODULE_DIR \
--data_dir ${DATA_PATH} \
--weight_decay 0.01 \
--checkpoint_dir $CKPT_DIR \
--num_epoch 3 \
--max_seq_len 128 \
--learning_rate 5e-5
......@@ -34,7 +34,7 @@ from .io.type import DataType
from .finetune.network import append_mlp_classifier
from .finetune.finetune import finetune_and_eval
from .finetune.config import FinetuneConfig
from .finetune.config import RunConfig
from .finetune.task import Task
from .finetune.strategy import BERTFinetuneStrategy
from .finetune.strategy import DefaultStrategy
......
......@@ -15,10 +15,12 @@
import time
from .strategy import DefaultStrategy
from paddle_hub.common.utils import md5
from datetime import datetime
from paddle_hub.common.logger import logger
class FinetuneConfig(object):
class RunConfig(object):
""" This class specifies the configurations for PaddleHub to finetune """
def __init__(self,
......@@ -45,9 +47,13 @@ class FinetuneConfig(object):
self._strategy = strategy
self._enable_memory_optim = enable_memory_optim
if checkpoint_dir is None:
self._checkpoint_dir = "hub_cpkt_" + md5(str(time.time()))[0:20]
now = int(time.time())
time_str = time.strftime("%Y%m%d%H%M%S", time.localtime(now))
self._checkpoint_dir = "ckpt_" + time_str
else:
self._checkpoint_dir = checkpoint_dir
logger.info("Checkpoint dir: {}".format(self._checkpoint_dir))
@property
def log_interval(self):
......
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