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体验新版 GitCode,发现更多精彩内容 >>
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af1eb31a
编写于
8月 11, 2017
作者:
Z
zchen0211
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电子邮件补丁
差异文件
add as an operator
上级
33d502e7
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
118 addition
and
0 deletion
+118
-0
paddle/operators/CMakeLists.txt
paddle/operators/CMakeLists.txt
+2
-0
paddle/operators/gather_op.cc
paddle/operators/gather_op.cc
+64
-0
paddle/operators/gather_op.h
paddle/operators/gather_op.h
+52
-0
未找到文件。
paddle/operators/CMakeLists.txt
浏览文件 @
af1eb31a
...
...
@@ -43,6 +43,8 @@ endfunction()
add_subdirectory
(
math
)
cc_test
(
gather_test SRCS gather_test.cc DEPS tensor
)
cc_library
(
gather_op SRCS gather_op.cc DEPS op_registry
)
# cc_test(gather_op_test SRCS gather_op_test.cc DEPS gather_op)
cc_test
(
scatter_test SRCS scatter_test.cc DEPS tensor
)
...
...
paddle/operators/gather_op.cc
0 → 100644
浏览文件 @
af1eb31a
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#include "paddle/operators/gather_op.h"
#include "paddle/framework/ddim.h"
namespace
paddle
{
namespace
operators
{
class
GatherOp
:
public
framework
::
OperatorWithKernel
{
protected:
void
InferShape
(
const
framework
::
InferShapeContext
&
ctx
)
const
override
{
PADDLE_ENFORCE
(
ctx
.
InputSize
()
==
2
,
""
);
PADDLE_ENFORCE
(
ctx
.
OutputSize
()
==
1
,
""
);
int
batch_size
=
ctx
.
Input
<
Tensor
>
(
1
)
->
dims
()[
0
];
PADDLE_ENFORCE
(
batch_size
>
0
);
}
};
class
GatherOpMaker
:
public
framework
::
OpProtoAndCheckerMaker
{
public:
GatherOpMaker
(
framework
::
OpProto
*
proto
,
framework
::
OpAttrChecker
*
op_checker
)
:
OpProtoAndCheckerMaker
(
proto
,
op_checker
)
{
AddInput
(
"X"
,
"The source input of gather op"
);
AddInput
(
"Index"
,
"The index input of gather op"
);
AddOutput
(
"Y"
,
"The output of add op"
);
AddComment
(
R"DOC(
Gather Operator by selecting from the first axis,
Y = X[Index]
)DOC"
);
}
};
class
GatherGradOp
:
public
framework
::
OperatorWithKernel
{
protected:
void
InferShape
(
const
framework
::
InferShapeContext
&
ctx
)
const
override
{
// ctx.Output<Tensor>("X" + framework::kGradVarSuffix)
// ->Resize(ctx.Input<Tensor>("X")->dims());
}
};
}
// namespace operators
}
// namespace paddle
namespace
ops
=
paddle
::
operators
;
REGISTER_OP
(
gather
,
ops
::
GatherOp
,
ops
::
GatherOpMaker
);
REGISTER_OP_CPU_KERNEL
(
gather
,
ops
::
GatherOpKernel
<
paddle
::
platform
::
CPUPlace
,
float
>
);
REGISTER_GRADIENT_OP
(
gather
,
gather_grad
,
ops
::
GatherGradOp
);
REGISTER_OP_CPU_KERNEL
(
gather_grad
,
ops
::
GatherGradientOpKernel
<
paddle
::
platform
::
CPUPlace
,
float
>
);
paddle/operators/gather_op.h
0 → 100644
浏览文件 @
af1eb31a
/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserve.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License. */
#pragma once
#include "gather.h"
#include "paddle/framework/eigen.h"
#include "paddle/framework/op_registry.h"
#include "scatter.h"
namespace
paddle
{
namespace
operators
{
using
Tensor
=
framework
::
Tensor
;
template
<
typename
Place
,
typename
T
>
class
GatherOpKernel
:
public
framework
::
OpKernel
{
public:
void
Compute
(
const
framework
::
ExecutionContext
&
ctx
)
const
override
{
auto
X
=
ctx
.
Input
<
Tensor
>
(
"X"
);
auto
Index
=
ctx
.
Input
<
Tensor
>
(
"Index"
);
auto
Y
=
ctx
.
Output
<
Tensor
>
(
"Y"
);
Y
->
mutable_data
<
T
>
(
ctx
.
GetPlace
());
Gather
<
T
>
(
ctx
.
GetPlace
(),
X
,
Index
,
Y
);
}
};
template
<
typename
Place
,
typename
T
>
class
GatherGradientOpKernel
:
public
framework
::
OpKernel
{
public:
void
Compute
(
const
framework
::
ExecutionContext
&
ctx
)
const
override
{
auto
Index
=
ctx
.
Input
<
Tensor
>
(
"Index"
);
auto
dX
=
ctx
.
Output
<
Tensor
>
(
framework
::
GradVarName
(
"X"
));
auto
dY
=
ctx
.
Input
<
Tensor
>
(
framework
::
GradVarName
(
"Y"
));
ScatterUpdate
<
T
>
(
ctx
.
GetPlace
(),
dY
,
Index
,
dX
);
}
};
}
// namespace operators
}
// namespace paddle
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