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体验新版 GitCode,发现更多精彩内容 >>
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9e7da679
编写于
9月 15, 2017
作者:
H
hedaoyuan
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电子邮件补丁
差异文件
Add a neon::relu.
上级
c86e7e2a
变更
3
隐藏空白更改
内联
并排
Showing
3 changed file
with
86 addition
and
0 deletion
+86
-0
paddle/math/BaseMatrix.cu
paddle/math/BaseMatrix.cu
+8
-0
paddle/math/NEONFunctions.cpp
paddle/math/NEONFunctions.cpp
+55
-0
paddle/math/NEONFunctions.h
paddle/math/NEONFunctions.h
+23
-0
未找到文件。
paddle/math/BaseMatrix.cu
浏览文件 @
9e7da679
...
...
@@ -17,6 +17,7 @@ limitations under the License. */
#include <cmath>
#include "BaseMatrix.h"
#include "MathFunctions.h"
#include "NEONFunctions.h"
#include "SIMDFunctions.h"
#include "hl_matrix_apply.cuh"
#include "hl_matrix_base.cuh"
...
...
@@ -666,6 +667,13 @@ void BaseMatrixT<T>::relu(BaseMatrixT& b) {
applyBinary
(
binary
::
Relu
<
T
>
(),
b
);
}
#if defined(__ARM_NEON__) || defined(__ARM_NEON)
template
<
>
void
BaseMatrixT
<
float
>::
relu
(
BaseMatrixT
&
b
)
{
neon
::
relu
(
data_
,
b
.
data_
,
height_
*
width_
);
}
#endif
DEFINE_MATRIX_BINARY_OP
(
ReluDerivative
,
a
*=
(
b
>
0.0
f
?
1.0
f
:
0.0
f
));
template
<
class
T
>
void
BaseMatrixT
<
T
>::
reluDerivative
(
BaseMatrixT
&
b
)
{
...
...
paddle/math/NEONFunctions.cpp
0 → 100644
浏览文件 @
9e7da679
/* 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. */
#if defined(__ARM_NEON__) || defined(__ARM_NEON)
#include "NEONFunctions.h"
#include <arm_neon.h>
namespace
paddle
{
namespace
neon
{
// b[i] = a[i] > 0.0f ? a[i] : 0.0f
void
relu
(
const
float
*
a
,
float
*
b
,
int
len
)
{
int
offset
=
len
%
16
;
float32x4_t
ma0
,
ma1
,
ma2
,
ma3
;
float32x4_t
mb0
,
mb1
,
mb2
,
mb3
;
float32x4_t
zero
=
vdupq_n_f32
(
0.
f
);
for
(
int
k
=
0
;
k
<
len
/
16
;
k
++
,
a
+=
16
,
b
+=
16
)
{
ma0
=
vld1q_f32
(
a
);
ma1
=
vld1q_f32
(
a
+
4
);
ma2
=
vld1q_f32
(
a
+
8
);
ma3
=
vld1q_f32
(
a
+
12
);
mb0
=
vmaxq_f32
(
ma0
,
zero
);
mb1
=
vmaxq_f32
(
ma1
,
zero
);
mb2
=
vmaxq_f32
(
ma2
,
zero
);
mb3
=
vmaxq_f32
(
ma3
,
zero
);
vst1q_f32
(
b
,
mb0
);
vst1q_f32
(
b
+
4
,
mb1
);
vst1q_f32
(
b
+
8
,
mb2
);
vst1q_f32
(
b
+
12
,
mb3
);
}
for
(
int
i
=
0
;
i
<
offset
;
i
++
)
{
b
[
i
]
=
a
[
i
]
>
0.0
f
?
a
[
i
]
:
0.0
f
;
}
}
}
// namespace neon
}
// namespace paddle
#endif
paddle/math/NEONFunctions.h
0 → 100644
浏览文件 @
9e7da679
/* 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
namespace
paddle
{
namespace
neon
{
void
relu
(
const
float
*
a
,
float
*
b
,
int
len
);
}
// namespace neon
}
// namespace paddle
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