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体验新版 GitCode,发现更多精彩内容 >>
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eb62a778
编写于
3月 28, 2018
作者:
武
武毅
提交者:
GitHub
3月 28, 2018
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差异文件
Merge pull request #9409 from typhoonzero/fix_slr_deser
Fix slr deser
上级
33614ed3
cc1c6afb
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
18 addition
and
6 deletion
+18
-6
paddle/fluid/operators/detail/variable_response.cc
paddle/fluid/operators/detail/variable_response.cc
+18
-6
未找到文件。
paddle/fluid/operators/detail/variable_response.cc
浏览文件 @
eb62a778
...
...
@@ -48,6 +48,8 @@ bool ReadRaw(::google::protobuf::io::CodedInputStream* input,
void
*
dest
,
int
size
)
{
const
void
*
data
=
NULL
;
int
size_to_write
=
0
;
int
length
=
size
;
int
total_written
=
0
;
if
(
platform
::
is_gpu_place
(
place
))
{
#ifdef PADDLE_WITH_CUDA
...
...
@@ -56,16 +58,21 @@ bool ReadRaw(::google::protobuf::io::CodedInputStream* input,
platform
::
CPUPlace
cpu
;
char
*
p
=
reinterpret_cast
<
char
*>
(
dest
);
while
(
size
>
0
)
{
while
(
total_written
<
length
)
{
if
(
!
input
->
GetDirectBufferPointer
(
&
data
,
&
size_to_write
))
{
return
false
;
}
// NOTE: if raw buffer is large and have two neighbor fields of raw
// buffers GetDirectBufferPointer can get all of them, use length to
// truncate it.
if
(
total_written
+
size_to_write
>
length
)
{
size_to_write
=
length
-
total_written
;
}
memory
::
Copy
(
boost
::
get
<
platform
::
CUDAPlace
>
(
place
),
reinterpret_cast
<
void
*>
(
p
),
cpu
,
data
,
size_to_write
,
gpu_dev_ctx
.
stream
());
p
+=
size_to_write
;
size
-
=
size_to_write
;
total_written
+
=
size_to_write
;
input
->
Skip
(
size_to_write
);
}
...
...
@@ -77,16 +84,21 @@ bool ReadRaw(::google::protobuf::io::CodedInputStream* input,
}
char
*
p
=
reinterpret_cast
<
char
*>
(
dest
);
while
(
size
>
0
)
{
while
(
total_written
<
length
)
{
if
(
!
input
->
GetDirectBufferPointer
(
&
data
,
&
size_to_write
))
{
return
false
;
}
// NOTE: if raw buffer is large and have two neighbor fields of raw buffers
// GetDirectBufferPointer can get all of them, use length to truncate it.
if
(
total_written
+
size_to_write
>
length
)
{
size_to_write
=
length
-
total_written
;
}
// TODO(gongwb): can we avoid copy?
platform
::
CPUPlace
cpu
;
memory
::
Copy
(
cpu
,
reinterpret_cast
<
void
*>
(
p
),
cpu
,
data
,
size_to_write
);
p
+=
size_to_write
;
size
-
=
size_to_write
;
total_written
+
=
size_to_write
;
input
->
Skip
(
size_to_write
);
}
...
...
@@ -153,6 +165,7 @@ bool VariableResponse::CopySelectRowsData(
const
platform
::
DeviceContext
&
ctx
,
int
length
)
{
auto
var
=
scope_
->
FindVar
(
meta_
.
varname
());
auto
*
slr
=
var
->
GetMutable
<
framework
::
SelectedRows
>
();
slr
->
mutable_rows
()
->
resize
(
length
/
8
);
// int64
int64_t
*
rows_data
=
slr
->
mutable_rows
()
->
data
();
// copy rows CPU data, GPU data will be copied lazily.
...
...
@@ -233,7 +246,6 @@ int VariableResponse::Parse(Source* source) {
if
(
tag
!=
0
)
{
return
-
1
;
}
return
0
;
}
...
...
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