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体验新版 GitCode,发现更多精彩内容 >>
提交
886897cc
编写于
5月 16, 2018
作者:
T
tangwei12
浏览文件
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电子邮件补丁
差异文件
load implement
上级
d081256c
变更
1
隐藏空白更改
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并排
Showing
1 changed file
with
45 addition
and
3 deletion
+45
-3
paddle/fluid/operators/checkpoint_load_op.cc
paddle/fluid/operators/checkpoint_load_op.cc
+45
-3
未找到文件。
paddle/fluid/operators/checkpoint_load_op.cc
浏览文件 @
886897cc
...
...
@@ -47,13 +47,54 @@ class CheckpointLoadOp : public framework::OperatorBase {
private:
void
RunImpl
(
const
framework
::
Scope
&
scope
,
const
platform
::
Place
&
place
)
const
override
{
auto
dir
=
Attr
<
std
::
string
>
(
"dir"
);
bool
is_present
=
FileExists
(
dir
);
std
::
string
dir
=
Attr
<
std
::
string
>
(
"dir"
);
VLOG
(
3
)
<<
"Load checkpoint from dir: "
<<
dir
;
std
::
string
success
;
success
.
append
(
dir
);
success
.
append
(
"/"
);
success
.
append
(
SUCCESS
);
bool
is_present
=
FileExists
(
success
);
if
(
!
is_present
)
{
VLOG
(
3
)
<<
"can not find _SUCCESS from path: "
<<
success
;
return
;
}
// UPDATE LATER ...
auto
inp_var_names
=
Output
(
"Out"
);
PADDLE_ENFORCE_GT
(
static_cast
<
int
>
(
inp_var_names
.
size
()),
0
,
"The number of input variables should be greater than 0"
);
// get device context from pool
platform
::
DeviceContextPool
&
pool
=
platform
::
DeviceContextPool
::
Instance
();
auto
&
dev_ctx
=
*
pool
.
Get
(
place
);
// todo (tangwei) made it async
for
(
size_t
i
=
0
;
i
<
inp_var_names
.
size
();
i
++
)
{
auto
*
var
=
scope
.
FindVar
(
inp_var_names
[
i
]);
PADDLE_ENFORCE
(
var
!=
nullptr
,
"Cannot find variable %s for save_combine_op"
,
inp_var_names
[
i
]);
PADDLE_ENFORCE
(
var
->
IsType
<
framework
::
LoDTensor
>
(),
"SaveCombineOp only supports LoDTensor, %s has wrong type"
,
inp_var_names
[
i
]);
std
::
string
var_file
;
var_file
.
append
(
dir
);
var_file
.
append
(
"/"
);
var_file
.
append
(
inp_var_names
[
i
]);
VLOG
(
3
)
<<
"ready to load var: "
<<
inp_var_names
[
i
];
auto
&
tensor
=
var
->
Get
<
framework
::
LoDTensor
>
();
std
::
ifstream
fin
(
var_file
);
PADDLE_ENFORCE
(
static_cast
<
bool
>
(
fin
),
"Cannot open file %s for load op"
,
var_file
);
DeserializeFromStream
(
fin
,
tensor
,
*
dev_ctx
);
fin
.
close
();
VLOG
(
3
)
<<
" load var: "
<<
inp_var_names
[
i
]
<<
" finished"
;
}
}
};
...
...
@@ -61,6 +102,7 @@ class CheckpointLoadOpProtoMaker : public framework::OpProtoAndCheckerMaker {
public:
CheckpointLoadOpProtoMaker
(
OpProto
*
proto
,
OpAttrChecker
*
op_checker
)
:
OpProtoAndCheckerMaker
(
proto
,
op_checker
)
{
AddOutput
(
"Out"
,
"(Tensor) The tensor need to be loaded"
);
AddComment
(
R"DOC(
CheckpointLoad operator
...
...
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