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使用PaddlePaddle复现论文: Funnel-Transformer: Filtering out Sequential Redundancy for Efficient Language Processing

Funnel

Funnel-Transformer: Filtering out Sequential Redundancy for Efficient Language Processing

摘要: 本项目是 Funnel Pytorch版本 在 Paddle 2.x上的开源实现。

原论文效果

"funnel-transformer/xlarge"模型指标

QNLI验证集上accuracy=95.1%(见论文table 3)

SQuAD v1.1验证集上F1/EM=94.7/89.0,SQuAD v2.0验证集F1/EM=90.4/87.6(见论文table 5)

复现结果

QNLI验证集上accuracy=95.149%

SQuAD v1.1验证集上F1/EM=94.73/88.81,SQuAD v2.0验证集F1/EM=90.12/87.21(见论文table 5)

环境安装

名称
python 3.7
GPU AI Studio平台32G V100
框架 PaddlePaddle2.1.2
Cuda 10.1
Cudnn 7.6
# 克隆本仓库
# 进入paddlenlp目录
cd paddlenlp
# 本地安装
pip install -r requirements.txt
pip install -e .
# 返回初始目录

快速开始

(一)模型精度对齐

运行python compare.py,对比huggingface与paddle之间的精度,我们可以发现精度的平均误差在10^-7量级,最大误差在10^-6量级。

python compare.py
# huggingface funnel-transformer/xlarge vs paddle funnel-transformer/xlarge
# mean forward psas difference: tensor(3.7627e-07, grad_fn=<MeanBackward0>)
# max forward pass difference: tensor(5.7220e-06, grad_fn=<MaxBackward1>)
# mean backward psas difference: 1.6635152e-08
# max backward pass difference: 0.00035858154

(三)模型转换

模型转换需要安装pytorch, 执行convert.py , 会自动下载原来这的huggingface 模型,转换为paddle 模型

python convert.py

十个预训练模型模型下载链接:Baidu AI Studio 数据集Google drive

(三)模型finetune

1、GLUE

以QNLI数据集为例

(1)模型微调:
export TOKENIZERS_PARALLELISM=true;
export PYTHONPATH=$PYTHONPATH:/home/aistudio/external-libraries:/home/aistudio/funnel_paddle/paddlenlp; 
cd funnel_paddle/glue/;\
 python run_glue.py \
 --model_name_or_path  ~/xlarge \
 --task_name qnli \
 --batch_size 24 \
 --learning_rate 1e-5 \
 --num_train_epochs=4
export TOKENIZERS_PARALLELISM=true;
export PYTHONPATH=$PYTHONPATH:/home/aistudio/external-libraries:/home/aistudio/funnel_paddle/paddlenlp; 
cd funnel_paddle/glue/;\
 python run_glue.py \
 --model_name_or_path  ~/qnli_ft_model_best \
 --task_name qnli \
 --batch_size 24 \
 --learning_rate 1e-5 \
 --num_train_epochs=4

模型以及AI Studio log文件链接(这个链接QNLI任务微调后的权重)

Baidu网盘链接: https://pan.baidu.com/s/1Sz7BaAbbA4tUAlmPbRsemw 密码: 5kku

(2)模型预测:
export TOKENIZERS_PARALLELISM=true;
export PYTHONPATH=$PYTHONPATH:/home/aistudio/external-libraries:/home/aistudio/funnel_paddle/paddlenlp; 
cd funnel_paddle/glue/;python  run_predict.py \
--ckpt_path ~/funnel_paddle/glue/qnli/qnli_ft_model_best1 \
--task_name qnli \
--batch_size 24
(3)验证结果
export TOKENIZERS_PARALLELISM=true;
export PYTHONPATH=$PYTHONPATH:/home/aistudio/external-libraries:/home/aistudio/funnel_paddle/paddlenlp; 
cd funnel_paddle/glue/;python  run_glue.py \
--model_name_or_path  ~/funnel_paddle/glue/qnli/qnli_ft_model_best \
--task_name qnli \
--batch_size 24 \
--learning_rate 1e-5 \
--num_train_epochs 0

# 验证结果
# eval loss: 0.013401, acc: 0.9514918542925133

2、SQuAD v1.1 以及 SQuAD v2.0

论文中说明,本文的结果是直接用SQuAD v2.0的模型在SQuAD v1.1上进行验证,因此下面只说明SQuAD v2.0的训练过程。使用转换的预训练模型xlarge运行SQuAD v2.0数据集的Fine-tuning

(1)模型微调:
export TOKENIZERS_PARALLELISM=true;
export PYTHONPATH=/home/aistudio/external-libraries:/home/aistudio/funnel_paddle/paddlenlp:$PYTHONPATH; 
cd funnel_paddle/squad1.1/;python run_squad_v1.py \
--do_train \
--do_predict \
--learning_rate 1e-5  \
--batch_size 4 \
--model_name_or_path  ~/xlarge \
--version_2_with_negative
export TOKENIZERS_PARALLELISM=true;
export PYTHONPATH=/home/aistudio/external-libraries:/home/aistudio/funnel_paddle/paddlenlp:$PYTHONPATH; 
cd funnel_paddle/squad1.1/;python run_squad_v1.py \
--do_train \
--do_predict \
--learning_rate 1e-5  \
--batch_size 4 \
--model_name_or_path  outputs/best \
--version_2_with_negative

模型以及AI Studio log文件链接(这个链接SQuAD v2.0任务微调后的权重)

Baidu网盘链接: https://pan.baidu.com/s/1Sz7BaAbbA4tUAlmPbRsemw 密码: 5kku

(2)模型评估

训练过程中模型会自动对结果进行评估,其中最好的结果如下所示:(详细训练可查看logs文件夹)

# SQuAD v1.1
{
"exact": 88.80794701986756,
"f1": 94.7256670963965,
"total": 10570,
"HasAns_exact": 88.80794701986756,
"HasAns_f1": 94.7256670963965,
"HasAns_total": 10570
}

# SQuAD v2.0
{
"exact": 87.2146887896909,
"f1": 90.11781334911193,
"total": 11873,
"HasAns_exact": 82.96221322537112,
"HasAns_f1": 88.77678776889464,
"HasAns_total": 5928,
"NoAns_exact": 91.45500420521446,
"NoAns_f1": 91.45500420521446,
"NoAns_total": 5945,
"best_exact": 87.44209551082288,
"best_exact_thresh": -0.9500179290771484,
"best_f1": 90.25906316399049,
"best_f1_thresh": -0.9500179290771484
}

Credit:

  • 这个复现repo是在“我们的名字刚好十个字”的convbert 基础上修改的,在此鸣谢。

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Baidu论文复现挑战赛(第四期)

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