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
PaddlePaddle
PaddleDetection
提交
e2e0fbd4
P
PaddleDetection
项目概览
PaddlePaddle
/
PaddleDetection
大约 1 年 前同步成功
通知
694
Star
11112
Fork
2696
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
184
列表
看板
标记
里程碑
合并请求
40
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
P
PaddleDetection
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
184
Issue
184
列表
看板
标记
里程碑
合并请求
40
合并请求
40
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 >>
提交
e2e0fbd4
编写于
6月 26, 2017
作者:
Y
Yi Wang
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Add tesnor.h
上级
2fd46844
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
91 addition
and
0 deletion
+91
-0
paddle/framework/tensor.h
paddle/framework/tensor.h
+91
-0
未找到文件。
paddle/framework/tensor.h
0 → 100644
浏览文件 @
e2e0fbd4
/*
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
framework
{
class
Tensor
{
using
paddle
::
platform
::
Place
;
using
paddle
::
platform
::
get_place
;
public:
explicit
Tensor
(
DDim
dims
)
:
dims_
(
dims
),
place_
(
get_place
())
{}
explicit
Tensor
(
DDim
dims
,
Place
place
)
:
dims_
(
dims
),
place_
(
place
)
{}
template
<
typename
T
>
const
T
*
data
()
const
{
PADDLE_ASSERT
(
holder_
!=
nullptr
);
PADDLE_ASSERT
(
holder_
->
Place
()
==
place_
);
PADDLE_ASSERT
(
holder_
->
Size
()
>=
dims_
.
product
()
*
sizeof
(
T
));
return
static_cast
<
const
T
*>
(
holder
->
Ptr
());
}
template
<
typename
T
,
// must be POD types
typename
=
std
::
enable_if
<
std
::
is_pod
<
T
>
::
value
>::
type
>
T
*
mutable_data
()
{
if
(
holder_
==
nullptr
||
holder_
->
Place
()
!=
place_
||
holder_
->
Size
()
<
dims_
.
product
()
*
sizeof
(
T
))
{
holder_
.
reset
(
new
PlaceholderImpl
(
place_
,
dims
.
product
()
*
sizeof
(
T
)));
}
return
static_cast
<
T
*>
(
holder_
->
Ptr
());
}
template
<
typename
T
,
// must be POD types
typename
=
std
::
enable_if
<
std
::
is_pod
<
T
>
::
value
>::
type
>
T
*
mutable_data
(
DDim
dims
)
{
dims_
=
dims
;
return
mutable_data
<
T
>
();
}
template
<
typename
T
,
// must be POD types
typename
=
std
::
enable_if
<
std
::
is_pod
<
T
>
::
value
>::
type
>
T
*
mutable_data
(
DDim
dims
,
Place
place
)
{
dims_
=
dims
;
place_
=
place
;
return
mutable_data
<
T
>
();
}
private:
// Placeholder hides type T, so it doesn't appear as a template
// parameter of Variable.
struct
Placeholder
{
virtual
~
Placeholder
()
{}
virtual
void
*
Ptr
()
const
=
0
;
virtual
Place
Place
()
const
=
0
;
virtual
size_t
Size
()
const
=
0
;
};
template
<
typename
T
>
struct
PlaceholderImpl
:
public
Placeholder
{
PlaceholderImpl
(
Place
pl
,
size_t
size
)
:
ptr_
(
memory
::
Alloc
(
pl
,
size
),
paddle
::
memory
::
Deleter
(
pl
)),
place_
(
pl
),
size_
(
size
)
{}
virtual
void
*
Ptr
()
const
{
return
static_cast
<
void
*>
(
ptr_
.
get
());
}
virtual
size_t
Size
()
const
{
return
size_
;
}
virtual
Place
Place
()
const
{
return
place_
;
}
std
::
unique_ptr
<
T
,
memory
::
Deleter
>
ptr_
;
Place
place_
;
// record the place of ptr_.
size_t
size_
;
// size of the memory block.
};
std
::
unique_ptr
<
Placeholder
>
holder_
;
// holds the memory block if allocated.
DDim
dims_
;
// could be smallers than the holder_->Size().
paddle
::
platform
::
Place
place_
;
};
}
// namespace framework
}
// namespace paddle
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