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2259a258
编写于
11月 02, 2018
作者:
S
Shan Yi
提交者:
GitHub
11月 02, 2018
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Update Developer's_Guide_to_Paddle_Fluid.md
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doc/fluid/getstarted/Developer's_Guide_to_Paddle_Fluid.md
doc/fluid/getstarted/Developer's_Guide_to_Paddle_Fluid.md
+44
-44
未找到文件。
doc/fluid/getstarted/Developer's_Guide_to_Paddle_Fluid.md
浏览文件 @
2259a258
...
...
@@ -82,11 +82,11 @@
# Fluid: 系统形态
-
<span
style=
"background-color:#ACD6FF;"
>
[
编译器式的执行流程,区分编译时和运行时
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/fluid/design/motivation/fluid_compiler.md
)
</span>
-
<span
style=
"background-color:#ACD6FF;"
>
[
编译器式的执行流程,区分编译时和运行时
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/fluid/design/motivation/fluid_compiler.md
)
</span>
<br>
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/fluid-compiler.png"
width=
100%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/fluid-compiler.png"
width=
100%
>
</p>
---
...
...
@@ -125,7 +125,7 @@
-
在科学计算领域,计算图是一种描述计算的经典方式。下图展示了从前向计算图(蓝色)开始,通过添加反向(红色)和优化算法相关(绿色)操作,构建出整个计算图的过程:
-
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/graph_construction_example_all.png"
width=
60%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/graph_construction_example_all.png"
width=
60%
>
</p>
...
...
@@ -224,7 +224,7 @@
1.
创建
`Block`
,依次执行
`Block`
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/compile_run_time.png"
width=
50%
><br>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/compile_run_time.png"
width=
50%
><br>
<font
size=
3
>
Figure. 编译时运行时概览
</font>
</p>
...
...
@@ -246,7 +246,7 @@
cost
=
fluid
.
layers
.
square_error_cost
(
input
=
y_predict
,
label
=
y
)
```
-
条件分支:
[
swith
](
https://github.com/PaddlePaddle/
Paddle/blob/develop/doc/fluid/design/execution/switch.md
)
、
[
ifelse
](
https://github.com/PaddlePaddle/Paddle
/blob/develop/doc/fluid/design/execution/if_else_op.md
)
-
条件分支:
[
swith
](
https://github.com/PaddlePaddle/
Fluiddoc/blob/develop/doc/fluid/design/execution/switch.md
)
、
[
ifelse
](
https://github.com/PaddlePaddle/Fluiddoc
/blob/develop/doc/fluid/design/execution/if_else_op.md
)
```
python
a
=
fluid
.
Var
(
10
)
...
...
@@ -330,7 +330,7 @@
---
### 编译时概念 :==**[Transpiler](https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/fluid/design/motivation/fluid_compiler.md)**==
### 编译时概念 :==**[Transpiler](https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/fluid/design/motivation/fluid_compiler.md)**==
<font
size=
5
>
1.
接受一段
`ProgramDesc`
作为输入,生成一段新的
`ProgramDesc`
...
...
@@ -349,7 +349,7 @@
### Transplier
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/transpiler.png"
width=
70%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/transpiler.png"
width=
70%
>
</p>
---
...
...
@@ -357,7 +357,7 @@
### 打印 `ProgramDesc`
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/print_fluid_program.png"
width=
70%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/print_fluid_program.png"
width=
70%
>
</p>
<font
size=
5
>
...
...
@@ -384,8 +384,8 @@
</thead>
<tbody>
<tr>
<td><img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/program_desc1.png"
width=
70%
></td>
<td><img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/program_desc2.png"
width=
70%
></td>
<td><img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/program_desc1.png"
width=
70%
></td>
<td><img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/program_desc2.png"
width=
70%
></td>
</tr>
</tbody>
</table>
...
...
@@ -501,7 +501,7 @@
<font
size=
4
>
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/LoDTensor.png"
width=
43%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/LoDTensor.png"
width=
43%
>
</p>
-
图(a)的LoD 信息
...
...
@@ -518,7 +518,7 @@
#### Tensor, Variable, Scope 之间的关系
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/scope_variable_tensor.png"
width=
40%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/scope_variable_tensor.png"
width=
40%
>
</p>
<font
size=
5
>
...
...
@@ -541,7 +541,7 @@
<tbody>
<tr>
<td><p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/executor.png"
width=
60%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/executor.png"
width=
60%
>
</p></td>
<td><span
style=
"background-color:#B3D9D9;"
>
输入
</span><br>
1.
`ProgramDesc`
<br>
2.
`Scope`
<br>
3.
`block_id`
<br><br><span
style=
"background-color:#B3D9D9;"
>
解释执行步骤
</span><br>
1. 创建所有 Variables
<br>
2. 逐一创建 Operator 并运行
</td>
...
...
@@ -554,7 +554,7 @@
<font
size=
5
>
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/operator1.png"
width=
50%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/operator1.png"
width=
50%
>
</p>
-
operator 无状态,Operator的核心是==Run==方法
...
...
@@ -575,10 +575,10 @@
<tbody>
<tr>
<td><p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/layer.png"
width=
70%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/layer.png"
width=
70%
>
</p></td>
<td><p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/operator2.png"
width=
73%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/operator2.png"
width=
73%
>
</p></td>
</tr>
...
...
@@ -800,7 +800,7 @@ class GPUAllocator : public SystemAllocator {
-
可以将Place类型理解为一个整数加上一个枚举型,包括:设备号 + 设备类型
<p align="center">
<img src="https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/place.png" width=40%>
<img src="https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/place.png" width=40%>
</p>
-
DeviceContext
-
不同的Place会对应一个相应的DeviceContext,用于组织管理与设备相关的信息
...
...
@@ -938,7 +938,7 @@ void Run(const framework::Scope &scope,
<font
size=
5
>
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/user_interface.png"
width=
75%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/user_interface.png"
width=
75%
>
</p>
-
`dynamicRNN`
中的重要元素
...
...
@@ -1003,7 +1003,7 @@ void Run(const framework::Scope &scope,
-
以机器翻译的RNN encoder-decoder 模型(涉及了
`dynamicRNN`
的所有设计要素)为例,下图是 RNN encoder-decoder 的原始输入:
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/raw_input.png"
width=
100%
><br><font
size=
3
>
Figure. RNN encoder-decoder 原始batch 输入数据
</font>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/raw_input.png"
width=
100%
><br><font
size=
3
>
Figure. RNN encoder-decoder 原始batch 输入数据
</font>
</p>
-
source word sequences 是encoder RNN的输出,是一个LoDTensor
...
...
@@ -1035,14 +1035,14 @@ void Run(const framework::Scope &scope,
### 运行实例
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/sorted_input.png"
width=
100%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/sorted_input.png"
width=
100%
>
</p>
---
### 运行实例
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/1.png"
width=
100%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/1.png"
width=
100%
>
</p>
<font
size=
5
>
...
...
@@ -1055,7 +1055,7 @@ void Run(const framework::Scope &scope,
### 运行实例
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/1.png"
width=
80%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/1.png"
width=
80%
>
</p>
<font
size=
5
>
...
...
@@ -1071,14 +1071,14 @@ void Run(const framework::Scope &scope,
### 运行实例:batch 1 ~ 2
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/2.png"
width=
70%
><br><font
size=
4
>
Figure. 第1、2个batch输入dynamicRNN的batch输入
</font>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/2.png"
width=
70%
><br><font
size=
4
>
Figure. 第1、2个batch输入dynamicRNN的batch输入
</font>
</p>
---
### 运行实例:batch 3 ~ 4
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/3.png"
width=
70%
><br><font
size=
4
>
Figure. 第3、4个batch输入dynamicRNN的batch输入
</font>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/3.png"
width=
70%
><br><font
size=
4
>
Figure. 第3、4个batch输入dynamicRNN的batch输入
</font>
</p>
---
...
...
@@ -1086,7 +1086,7 @@ void Run(const framework::Scope &scope,
### 运行实例:batch 5 ~ 7
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/4.png"
width=
70%
><br><font
size=
4
>
Figure. 第5、6、7个batch输入dynamicRNN的batch输入
</font>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/4.png"
width=
70%
><br><font
size=
4
>
Figure. 第5、6、7个batch输入dynamicRNN的batch输入
</font>
</p>
---
...
...
@@ -1106,12 +1106,12 @@ void Run(const framework::Scope &scope,
<tr>
<td>
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/fluid_module_1.png"
width=
60%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/fluid_module_1.png"
width=
60%
>
</p>
</td>
<td>
<p
align=
"center"
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Paddle
/develop/doc/fluid/images/fluid_module_2.png"
width=
60%
>
<img
src=
"https://raw.githubusercontent.com/PaddlePaddle/
Fluiddoc
/develop/doc/fluid/images/fluid_module_2.png"
width=
60%
>
</p>
</td>
</tr>
...
...
@@ -1127,32 +1127,32 @@ void Run(const framework::Scope &scope,
<font
size=
5
>
-
设计概览
-
重构概览
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/refactorization.md
)
-
fluid
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/fluid.md
)
-
fluid_compiler
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/fluid/design/motivation/fluid_compiler.md
)
-
重构概览
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/refactorization.md
)
-
fluid
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/fluid.md
)
-
fluid_compiler
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/fluid/design/motivation/fluid_compiler.md
)
-
核心概念
-
variable 描述
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/var_desc.md
)
-
variable 描述
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/var_desc.md
)
-
Tensor
[
->
](
https://github.com/PaddlePaddle/Paddle/blob/develop/paddle/framework/tensor.md
)
-
LoDTensor
[
->
](
https://github.com/PaddlePaddle/Paddle/blob/develop/paddle/framework/lod_tensor.md
)
-
TensorArray
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/tensor_array.md
)
-
Program
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/program.md
)
-
Block
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/block.md
)
-
Scope
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/scope.md
)
-
TensorArray
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/tensor_array.md
)
-
Program
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/program.md
)
-
Block
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/block.md
)
-
Scope
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/scope.md
)
---
-
重要功能模块
-
backward
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/backward.md
)
-
内存优化
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/memory_optimization.md
)
-
evaluator
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/executor.md
)
-
python API
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/python_api.md
)
-
regularization
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/regularization.md
)
-
backward
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/backward.md
)
-
内存优化
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/memory_optimization.md
)
-
evaluator
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/executor.md
)
-
python API
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/python_api.md
)
-
regularization
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/regularization.md
)
-
开发指南
-
支持新设硬件设备库
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/design/support_new_device.md
)
-
添加新的Operator
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/howto/dev/new_op_cn.md
)
-
支持新设硬件设备库
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/design/support_new_device.md
)
-
添加新的Operator
[
->
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/howto/dev/new_op_cn.md
)
-
添加新的Kernel
[
->
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/howto/dev/new_op_kernel_en.md
)
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/howto/dev/new_op_kernel_en.md
)
</font>
...
...
@@ -1487,7 +1487,7 @@ class ClipKernel : public framework::OpKernel<T> {
-
为了使
`OpKernel`
的计算过程书写更加简单,并且CPU、CUDA的代码可以复用, Fluid 使用 Eigen 作为基础的矩阵运算库
-
Fluid对Eigen unsupported Tensor提供了一些基本的封装,可以在
`Compute`
接口中直接调用
-
关于在PaddlePaddle中如何使用Eigen库,请参考
[
使用文档
](
https://github.com/PaddlePaddle/
Paddle
/blob/develop/doc/fluid/dev/use_eigen_cn.md
)
。
-
关于在PaddlePaddle中如何使用Eigen库,请参考
[
使用文档
](
https://github.com/PaddlePaddle/
Fluiddoc
/blob/develop/doc/fluid/dev/use_eigen_cn.md
)
。
</font>
...
...
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