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体验新版 GitCode,发现更多精彩内容 >>
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b6347fb6
编写于
9月 18, 2017
作者:
Z
zchen0211
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
prelu fix
上级
4a237884
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
10 addition
and
8 deletion
+10
-8
paddle/operators/prelu_op.cc
paddle/operators/prelu_op.cc
+4
-2
paddle/operators/prelu_op.h
paddle/operators/prelu_op.h
+6
-6
未找到文件。
paddle/operators/prelu_op.cc
浏览文件 @
b6347fb6
...
...
@@ -29,6 +29,8 @@ class PReluOp : public framework::OperatorWithKernel {
void
InferShape
(
const
framework
::
InferShapeContext
&
ctx
)
const
override
{
PADDLE_ENFORCE_NOT_NULL
(
ctx
.
InputVar
(
"X"
),
"Input(X) should not be null"
);
auto
*
in
=
ctx
.
Input
<
framework
::
Tensor
>
(
"X"
);
PADDLE_ENFORCE_NOT_NULL
(
ctx
.
OutputVar
(
"Out"
),
"Output(Out) should not be null"
);
auto
*
out
=
ctx
.
Output
<
framework
::
LoDTensor
>
(
"Out"
);
out
->
Resize
(
in
->
dims
());
}
...
...
@@ -41,6 +43,8 @@ class PReluOpMaker : public framework::OpProtoAndCheckerMaker {
:
OpProtoAndCheckerMaker
(
proto
,
op_checker
)
{
AddInput
(
"X"
,
"The input tensor of prelu operator."
);
AddOutput
(
"Out"
,
"The output tensor of prelu operator."
);
AddAttr
<
AttrType
>
(
"alpha"
,
"The scaling factor alpha of prelu."
)
.
SetDefault
(
0.0
);
AddComment
(
R"DOC(PRelu operator
The equation is:
...
...
@@ -49,8 +53,6 @@ The equation is:
f(x) = x , for x >= 0
)DOC"
);
AddAttr
<
AttrType
>
(
"alpha"
,
"The scaling factor alpha of prelu."
)
.
SetDefault
(
0.0
);
}
};
...
...
paddle/operators/prelu_op.h
浏览文件 @
b6347fb6
...
...
@@ -24,9 +24,9 @@ using Tensor = framework::Tensor;
using
platform
::
Transform
;
template
<
typename
T
>
class
P
relu_f
unctor
{
class
P
ReluF
unctor
{
public:
explicit
P
relu_f
unctor
(
const
T
&
alpha
)
:
alpha_
(
alpha
)
{}
explicit
P
ReluF
unctor
(
const
T
&
alpha
)
:
alpha_
(
alpha
)
{}
HOSTDEVICE
T
operator
()(
const
T
&
X
)
const
{
if
(
X
>
0
)
...
...
@@ -54,14 +54,14 @@ class PReluKernel : public framework::OpKernel {
int
numel
=
X
->
numel
();
auto
place
=
context
.
GetPlace
();
Transform
(
place
,
X_ptr
,
X_ptr
+
numel
,
O_ptr
,
P
relu_f
unctor
<
T
>
(
alpha
));
Transform
(
place
,
X_ptr
,
X_ptr
+
numel
,
O_ptr
,
P
ReluF
unctor
<
T
>
(
alpha
));
}
};
template
<
typename
T
>
class
P
relu_Grad_f
unctor
{
class
P
ReluGradF
unctor
{
public:
explicit
P
relu_Grad_f
unctor
(
const
T
&
alpha
)
:
alpha_
(
alpha
)
{}
explicit
P
ReluGradF
unctor
(
const
T
&
alpha
)
:
alpha_
(
alpha
)
{}
HOSTDEVICE
T
operator
()(
const
T
&
Out
,
const
T
&
dOut
)
const
{
if
(
Out
>
0
)
...
...
@@ -92,7 +92,7 @@ class PReluGradKernel : public framework::OpKernel {
auto
place
=
context
.
GetPlace
();
Transform
(
place
,
O_ptr
,
O_ptr
+
numel
,
dO_ptr
,
dX_ptr
,
P
relu_Grad_f
unctor
<
T
>
(
alpha
));
P
ReluGradF
unctor
<
T
>
(
alpha
));
}
};
...
...
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