Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
csdn_franckjun
Paddle
提交
dd0a07f2
P
Paddle
项目概览
csdn_franckjun
/
Paddle
与 Fork 源项目一致
Fork自
PaddlePaddle / Paddle
通知
1
Star
1
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
1
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
P
Paddle
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
1
Issue
1
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
未验证
提交
dd0a07f2
编写于
7月 18, 2022
作者:
X
Xiaoxu Chen
提交者:
GitHub
7月 18, 2022
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
fix new autodiff api docs (#44341)
上级
3f70b1d3
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
15 addition
and
11 deletion
+15
-11
python/paddle/incubate/autograd/primapi.py
python/paddle/incubate/autograd/primapi.py
+15
-11
未找到文件。
python/paddle/incubate/autograd/primapi.py
浏览文件 @
dd0a07f2
...
@@ -26,14 +26,14 @@ def forward_grad(outputs, inputs, grad_inputs=None):
...
@@ -26,14 +26,14 @@ def forward_grad(outputs, inputs, grad_inputs=None):
**ONLY available in the static mode and primitive operators.**
**ONLY available in the static mode and primitive operators.**
Args:
Args:
outputs
: The output tensor or tensors
outputs
(Tensor|Sequence[Tensor]): The output tensor or tensors.
inputs
: The input tensor or tensors
inputs
(Tensor|Sequence[Tensor]): The input tensor or tensors.
grad_inputs
: The gradient Tensor or Tensors of inputs which has
grad_inputs
(Tensor|Sequence[Tensor]): Optional, the gradient Tensor or
the same shape with inputs, Defaults to None, in this case is
Tensors of inputs which has the same shape with inputs, Defaults to
equivalent to all ones
.
None, in this case is equivalent to all ones
.
Returns:
Returns:
grad_outputs
(Tensor|Sequence[Tensor]): The gradients for outputs.
grad_outputs(Tensor|Sequence[Tensor]): The gradients for outputs.
Examples:
Examples:
...
@@ -99,14 +99,14 @@ def grad(outputs, inputs, grad_outputs=None):
...
@@ -99,14 +99,14 @@ def grad(outputs, inputs, grad_outputs=None):
**ONLY available in the static mode and primitive operators**
**ONLY available in the static mode and primitive operators**
Args:
Args:
outputs
(Tensor|Sequence[Tensor]): The output Tensor or Tensors.
outputs(Tensor|Sequence[Tensor]): The output Tensor or Tensors.
inputs
(Tensor|Sequence[Tensor]): The input Tensor or Tensors.
inputs(Tensor|Sequence[Tensor]): The input Tensor or Tensors.
grad_outputs
(Tensor|Sequence[Tensor]): T
he gradient Tensor or
grad_outputs
(Tensor|Sequence[Tensor]): Optional, t
he gradient Tensor or
Tensors of outputs which has the same shape with outputs, Defaults
Tensors of outputs which has the same shape with outputs, Defaults
to None, in this case is equivalent to all ones
.
to None, in this case is equivalent to all ones.
Returns:
Returns:
grad_inputs
(Tensor|Tensors): The gradients for inputs.
grad_inputs(Tensor|Tensors): The gradients for inputs.
Examples:
Examples:
...
@@ -114,8 +114,10 @@ def grad(outputs, inputs, grad_outputs=None):
...
@@ -114,8 +114,10 @@ def grad(outputs, inputs, grad_outputs=None):
import numpy as np
import numpy as np
import paddle
import paddle
paddle.enable_static()
paddle.enable_static()
paddle.incubate.autograd.enable_prim()
paddle.incubate.autograd.enable_prim()
startup_program = paddle.static.Program()
startup_program = paddle.static.Program()
main_program = paddle.static.Program()
main_program = paddle.static.Program()
with paddle.static.program_guard(main_program, startup_program):
with paddle.static.program_guard(main_program, startup_program):
...
@@ -124,11 +126,13 @@ def grad(outputs, inputs, grad_outputs=None):
...
@@ -124,11 +126,13 @@ def grad(outputs, inputs, grad_outputs=None):
y = x * x
y = x * x
x_grad = paddle.incubate.autograd.grad(y, x)
x_grad = paddle.incubate.autograd.grad(y, x)
paddle.incubate.autograd.prim2orig()
paddle.incubate.autograd.prim2orig()
exe = paddle.static.Executor()
exe = paddle.static.Executor()
exe.run(startup_program)
exe.run(startup_program)
x_grad = exe.run(main_program, feed={'x': np.array([2.]).astype('float32')}, fetch_list=[x_grad])
x_grad = exe.run(main_program, feed={'x': np.array([2.]).astype('float32')}, fetch_list=[x_grad])
print(x_grad)
print(x_grad)
# [array([4.], dtype=float32)]
# [array([4.], dtype=float32)]
paddle.incubate.autograd.disable_prim()
paddle.incubate.autograd.disable_prim()
paddle.disable_static()
paddle.disable_static()
"""
"""
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录