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8c9cd369
编写于
3月 16, 2018
作者:
Y
Yu Yang
浏览文件
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电子邮件补丁
差异文件
Polish code style
上级
6f0dfd89
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
15 addition
and
9 deletion
+15
-9
paddle/fluid/framework/parallel_executor.cc
paddle/fluid/framework/parallel_executor.cc
+13
-9
paddle/fluid/framework/parallel_executor.h
paddle/fluid/framework/parallel_executor.h
+2
-0
未找到文件。
paddle/fluid/framework/parallel_executor.cc
浏览文件 @
8c9cd369
...
@@ -379,17 +379,21 @@ void ParallelExecutor::ConstructDependencyGraph(
...
@@ -379,17 +379,21 @@ void ParallelExecutor::ConstructDependencyGraph(
}
}
}
}
/**
/*
* Dependency graph has been constructed. However, there are still data
Dependency graph has been constructed. However, there are still data
* harzaeds need to be handled.
harzaeds need to be handled.
*
* We only handle write after read(WAR), since it should not have a write
* after write in program. If there are write after write operators, we need
* prune them.
*
* https://en.wikipedia.org/wiki/Hazard_(computer_architecture)#Write_after_read_(WAR)
*/
*/
PolishGraphToSupportDataHarzaeds
();
}
/**
* We only handle write after read(WAR), since it should not have a write
* after write in program. If there are write after write operators, we need
* prune them.
*
* https://en.wikipedia.org/wiki/Hazard_(computer_architecture)#Write_after_read_(WAR)
*/
void
ParallelExecutor
::
PolishGraphToSupportDataHarzaeds
()
const
{
for
(
auto
&
place_pair
:
member_
->
vars_
)
{
for
(
auto
&
place_pair
:
member_
->
vars_
)
{
for
(
auto
&
name_pair
:
place_pair
.
second
)
{
for
(
auto
&
name_pair
:
place_pair
.
second
)
{
if
(
name_pair
.
second
.
size
()
<=
1
)
{
if
(
name_pair
.
second
.
size
()
<=
1
)
{
...
...
paddle/fluid/framework/parallel_executor.h
浏览文件 @
8c9cd369
...
@@ -61,6 +61,8 @@ class ParallelExecutor {
...
@@ -61,6 +61,8 @@ class ParallelExecutor {
void
RunOp
(
std
::
unordered_map
<
VarHandleBase
*
,
bool
>&
pending_vars
,
void
RunOp
(
std
::
unordered_map
<
VarHandleBase
*
,
bool
>&
pending_vars
,
OpHandle
*
op
)
const
;
OpHandle
*
op
)
const
;
void
PolishGraphToSupportDataHarzaeds
()
const
;
};
};
}
// namespace framework
}
// namespace framework
...
...
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