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README
LGPL-3.0

目录

  • 一、项目简介
    • 1.项目简介
    • 2.项目目标
  • 二、项目结构
    • 1.库
    • 2.文件结构
    • 2.项目结构图
  • 三、全局配置
    • 1.数据集本地文件夹
  • 四、简明样例
    • 1.定义net结构
    • 2.定义配置文件
      • 2.1train配置
      • 2.2predict配置
    • 1.训练
    • 2.预测
  • 五、打印和tensorboard
    • 1.配置
    • 2.网络结构
    • 3.训练过程
    • 4.tensorboard

一、项目简介

1.项目简介

Vulcan(匠神)项目是基于tensorflow的深度学习复用框架,旨在封装深度模型搭建过程中的复用部分(pre-processing、evaluate和validate等),提高搭建模型的效率,更聚焦与模型本身。

Vulcan使用配置(.yml)控制训练、预测流程,封装训练、预测参数,复用只需更改配置,简单快捷。

2.项目目标

  • 1.提取深度学习工程的核心流程,复用化封装(已完成简单核心)。
  • 2.一行代码训练,一行代码预测。
  • 3.封装DNN、CNN和RNN的常规模型。
  • 4.可视化搭建网络。
  • 5.一键导出。

二、项目结构

1.库

需要安装到的库

tqdm
pyyaml
numpy
pandas
tensorflow

2.文件目录

  • base
    • main 入口方法
  • config
    • core 核心配置,存放控制训练预测的.yml文件
      • default 默认配置
      • train 训练配置
      • predict 预测配置
    • glob
      • config 一些全局配置
      • global_pool 全局变量池,供整个运行时的全局加载
    • load_config.py 入口
  • data 训练数据
    • board tensorboard文件
    • log 日志文件
    • model 训练出的模型文件
    • model_img 模型结构图
  • dataset
    • parser 解析器封装(主要使用tf.data.Dataset)
    • preprocessor 预处理器
    • reader 读取器,读取原始数据集
    • build_dataset.py 入口
  • dto 数据传输对象
  • eval 校验方法
  • element 复用方法(CNN、RNN复用方法,如conv2d、pool等的进一步封装)
  • embed 词嵌入模块
  • eval 验证方法
  • model 模型核心网络
    • base 模型核心(无需关注)
    • loss 损失函数模块
    • net 网络结构
    • optimizer 优化器
    • predict 自定义预测方法
    • load_model.py 入口
  • test 测试方法
  • utils 工具包
  • train.py 一行代码训练样例
  • predict.py 一行代码预测样例

3.项目结构图

输入图片说明

三、多设备配置

多个设备上运行本项目,多个设备上的数据集路径可能不同时,请配置 config/glob/config.py 中的DATASET_ROOT,运行项目时在train配置文件中的reader.dataset使用最后一个文件夹名即可。

如果不需多设备频繁切换,则可以忽略配置本项,在train配置文件中的reader.dataset使用绝对路径即可。

# 本地数据集路径
DATASET_ROOT = get_dataset_path([
    'D:\\dl_data\\sample',
    'F:\\data_deeplearning\\sample_data'
])

四、简明样例

构建一个单层dnn作为样例

1.定义net结构

一般放在定义的net结构放在 model/net 路径下,定义的结构如下:

def net(self):
    with tf.name_scope('fc_1'):
        layer1 = fc_layer(self.xs, 10, activation_func=tf.nn.softmax)  # 隐藏层
    with tf.name_scope('fc_2'):
        self.y_pred = fc_layer(layer1, 10, activation_func=tf.nn.softmax)  # 隐藏层

注意:形参必须写self,输入写self.xs即可,最终的输出一定要赋给self.y_pred,输入的shape和dtype暂不关注,后续会在配置文件中配置。

2.定义配置文件

配置文件的含义和限制还在项目中查看 config/core/train/templet.yml和readme文档。

2.1train配置

#--- dataset.reader模块配置----
reader:
  dataset: 'mnist'
  module: 'dataset.reader.mnist_reader'
#--- model.net配置-----
net:
  module: 'model.net.dnn.single_layer.single_layer'
#--- model初始化配置-----
xs_shape: [784]
xs_dtype: 'float'
ys_shape: [10]
ys_dtype: 'float'
#--- model train配置-----
epoch: 2
batch_size: 60
# 保存配置
save:
  is_save: false
# 损失函数
optimizer:
  name: sgd

2.2predict配置

#--- common配置-----
module: 'model.net.dnn.single_layer.single_layer'
xs_shape: [784]  # xs shape
#--- predict配置-----
load_model_dir: "data/model/dnn/single_layer/10151326/model"
predict_mod: 'model.predict.default_predict'

3.训练

将train的配置文件传给train(),一键即可训练。

from base.main import train
if __name__ == '__main__':
    train('config/core/train/single_layer.yml')

4.预测

将predict的配置文件传给predict(),一键即可训练。

from base.main import predict
if __name__ == '__main__':
    # 一行预测
    y_pred = predict('config/core/predict/single_layer.yml', x)
    # 打印结果
    print('\033[35my:{}, y_pred:{}'.format(np.argmax(y, axis=1), np.argmax(y_pred, axis=1)))

五、打印和tensorboard

项目日志如下

1.配置

输入图片说明

2.网络结构

输入图片说明

输入图片说明

3.训练过程

输入图片说明

输入图片说明

4.tensorboard

会自动在浏览器弹出tensorboard,截图如下

输入图片说明

项目融合了embedding(词嵌入)、pre_process(预处理)、dataset(tf.data.Dataset)等模块

其中各个模块均抽取出可自定义的部分,可以通过配置直接选择已定义好的,或者自行写代码定义,在配置中配置即可。详细文档请移步本项目Wiki。

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简介

深度学习复用框架 展开 收起
Python
LGPL-3.0
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