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体验新版 GitCode,发现更多精彩内容 >>
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b361579f
编写于
11月 14, 2018
作者:
J
Jacek Czaja
浏览文件
操作
浏览文件
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电子邮件补丁
差异文件
- Softmax for Inference is enabled when ON_INFER is set
test=develop
上级
c7b3bfcd
变更
6
隐藏空白更改
内联
并排
Showing
6 changed file
with
58 addition
and
13 deletion
+58
-13
paddle/fluid/operators/math/softmax.cc
paddle/fluid/operators/math/softmax.cc
+4
-2
paddle/fluid/operators/math/softmax.cu
paddle/fluid/operators/math/softmax.cu
+8
-3
paddle/fluid/operators/math/softmax.h
paddle/fluid/operators/math/softmax.h
+1
-1
paddle/fluid/operators/math/softmax_impl.h
paddle/fluid/operators/math/softmax_impl.h
+37
-4
paddle/fluid/operators/softmax_op.h
paddle/fluid/operators/softmax_op.h
+6
-1
paddle/fluid/operators/softmax_with_cross_entropy_op.h
paddle/fluid/operators/softmax_with_cross_entropy_op.h
+2
-2
未找到文件。
paddle/fluid/operators/math/softmax.cc
浏览文件 @
b361579f
...
...
@@ -19,8 +19,10 @@ namespace paddle {
namespace
operators
{
namespace
math
{
template
class
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
float
>;
template
class
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
double
>;
template
class
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
float
,
true
>;
template
class
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
float
,
false
>;
template
class
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
double
,
true
>;
template
class
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
double
,
false
>;
template
class
SoftmaxGradFunctor
<
platform
::
CPUDeviceContext
,
float
>;
template
class
SoftmaxGradFunctor
<
platform
::
CPUDeviceContext
,
double
>;
...
...
paddle/fluid/operators/math/softmax.cu
浏览文件 @
b361579f
...
...
@@ -98,9 +98,14 @@ template class SoftmaxGradCUDNNFunctor<float>;
template
class
SoftmaxGradCUDNNFunctor
<
double
>;
template
class
SoftmaxGradCUDNNFunctor
<
platform
::
float16
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
platform
::
float16
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
float
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
double
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
platform
::
float16
,
false
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
platform
::
float16
,
true
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
float
,
false
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
double
,
false
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
float
,
true
>;
template
class
SoftmaxFunctor
<
platform
::
CUDADeviceContext
,
double
,
true
>;
template
class
SoftmaxGradFunctor
<
platform
::
CUDADeviceContext
,
float
>;
template
class
SoftmaxGradFunctor
<
platform
::
CUDADeviceContext
,
double
>;
template
class
SoftmaxGradFunctor
<
platform
::
CUDADeviceContext
,
...
...
paddle/fluid/operators/math/softmax.h
浏览文件 @
b361579f
...
...
@@ -19,7 +19,7 @@ namespace paddle {
namespace
operators
{
namespace
math
{
template
<
typename
DeviceContext
,
typename
T
>
template
<
typename
DeviceContext
,
typename
T
,
bool
is_test
>
class
SoftmaxFunctor
{
public:
void
operator
()(
const
DeviceContext
&
context
,
const
framework
::
Tensor
*
X
,
...
...
paddle/fluid/operators/math/softmax_impl.h
浏览文件 @
b361579f
...
...
@@ -32,10 +32,10 @@ struct ValueClip {
}
};
template
<
typename
DeviceContext
,
typename
T
>
void
SoftmaxFunctor
<
DeviceContext
,
T
>::
operator
()(
const
DeviceContext
&
context
,
const
framework
::
Tensor
*
X
,
framework
::
Tensor
*
Y
)
{
template
<
typename
DeviceContext
,
typename
T
,
bool
is_test
>
void
SoftmaxFunctor
<
DeviceContext
,
T
,
is_test
>::
operator
()(
const
DeviceContext
&
context
,
const
framework
::
Tensor
*
X
,
framework
::
Tensor
*
Y
)
{
auto
logits
=
EigenMatrix
<
T
>::
From
(
*
X
);
auto
softmax
=
EigenMatrix
<
T
>::
From
(
*
Y
);
...
...
@@ -65,6 +65,39 @@ void SoftmaxFunctor<DeviceContext, T>::operator()(const DeviceContext& context,
.
broadcast
(
one_by_class
));
}
template
<
typename
DeviceContext
,
typename
T
>
class
SoftmaxFunctor
<
DeviceContext
,
T
,
true
>
{
void
operator
()(
const
DeviceContext
&
context
,
const
framework
::
Tensor
*
X
,
framework
::
Tensor
*
Y
)
{
auto
logits
=
EigenMatrix
<
T
>::
From
(
*
X
);
auto
softmax
=
EigenMatrix
<
T
>::
From
(
*
Y
);
const
int
kBatchDim
=
0
;
const
int
kClassDim
=
1
;
const
int
batch_size
=
logits
.
dimension
(
kBatchDim
);
const
int
num_classes
=
logits
.
dimension
(
kClassDim
);
Eigen
::
DSizes
<
int
,
1
>
along_class
(
kClassDim
);
Eigen
::
DSizes
<
int
,
2
>
batch_by_one
(
batch_size
,
1
);
Eigen
::
DSizes
<
int
,
2
>
one_by_class
(
1
,
num_classes
);
auto
shifted_logits
=
(
logits
-
logits
.
maximum
(
along_class
)
.
eval
()
.
reshape
(
batch_by_one
)
.
broadcast
(
one_by_class
));
softmax
.
device
(
*
context
.
eigen_device
())
=
shifted_logits
.
exp
();
softmax
.
device
(
*
context
.
eigen_device
())
=
(
softmax
*
softmax
.
sum
(
along_class
)
.
inverse
()
.
eval
()
.
reshape
(
batch_by_one
)
.
broadcast
(
one_by_class
));
}
};
template
<
typename
DeviceContext
,
typename
T
>
void
SoftmaxGradFunctor
<
DeviceContext
,
T
>::
operator
()(
const
DeviceContext
&
context
,
const
framework
::
Tensor
*
y
,
...
...
paddle/fluid/operators/softmax_op.h
浏览文件 @
b361579f
...
...
@@ -35,8 +35,13 @@ class SoftmaxKernel : public framework::OpKernel<T> {
Tensor
X_2d
=
framework
::
ReshapeToMatrix
(
*
X
,
rank
-
1
);
Tensor
Out_2d
=
framework
::
ReshapeToMatrix
(
*
Out
,
rank
-
1
);
math
::
SoftmaxFunctor
<
DeviceContext
,
T
>
()(
#ifdef ON_INFER
math
::
SoftmaxFunctor
<
DeviceContext
,
T
,
true
>
()(
context
.
template
device_context
<
DeviceContext
>(),
&
X_2d
,
&
Out_2d
);
#else
math
::
SoftmaxFunctor
<
DeviceContext
,
T
,
false
>
()(
context
.
template
device_context
<
DeviceContext
>(),
&
X_2d
,
&
Out_2d
);
#endif
}
};
...
...
paddle/fluid/operators/softmax_with_cross_entropy_op.h
浏览文件 @
b361579f
...
...
@@ -42,8 +42,8 @@ class SoftmaxWithCrossEntropyKernel : public framework::OpKernel<T> {
auto
&
dev_ctx
=
context
.
template
device_context
<
platform
::
CPUDeviceContext
>();
math
::
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
T
>
()(
dev_ctx
,
logits
,
softmax
);
math
::
SoftmaxFunctor
<
platform
::
CPUDeviceContext
,
T
,
false
>
()(
dev_ctx
,
logits
,
softmax
);
math
::
CrossEntropyFunctor
<
platform
::
CPUDeviceContext
,
T
>
()(
dev_ctx
,
loss
,
softmax
,
labels
,
context
.
Attr
<
bool
>
(
"soft_label"
),
context
.
Attr
<
int
>
(
"ignore_index"
));
...
...
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