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
s920243400
PaddleDetection
提交
11afbe0f
P
PaddleDetection
项目概览
s920243400
/
PaddleDetection
与 Fork 源项目一致
Fork自
PaddlePaddle / PaddleDetection
通知
2
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
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
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
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
提交
11afbe0f
编写于
2月 13, 2019
作者:
D
dzhwinter
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
add details. test=develop
上级
7e7b4500
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
44 addition
and
41 deletion
+44
-41
paddle/fluid/framework/details/memory_optimize_pass.cc
paddle/fluid/framework/details/memory_optimize_pass.cc
+44
-41
未找到文件。
paddle/fluid/framework/details/memory_optimize_pass.cc
浏览文件 @
11afbe0f
...
...
@@ -69,55 +69,58 @@ std::unique_ptr<ir::Graph> MemoryOptimizePass::ApplyImpl(
}
for
(
auto
&
var
:
op
->
outputs
)
{
if
(
!
NodeCanReused
(
var
)
||
cfg_
->
Use
(
op
).
count
(
var
->
Name
())
==
0
||
skip_set_
.
count
(
var
->
Name
()))
if
(
skip_set_
.
count
(
var
->
Name
()))
{
VLOG
(
3
)
<<
"Skip set contains variable of "
<<
var
->
Name
()
<<
"disable reuse on it. skipped"
;
continue
;
ir
::
Node
*
cache
=
pool_
.
FindBestFitNode
(
var
);
if
(
var
->
Name
()
==
FLAGS_memory_optimize_debug
)
{
VLOG
(
3
)
<<
"start match var "
<<
DebugString
(
var
)
<<
" of op "
<<
op
->
Name
();
VLOG
(
3
)
<<
pool_
.
ToString
();
VLOG
(
3
)
<<
"matched in pool : "
<<
((
cache
==
nullptr
)
?
"False"
:
"True"
);
}
if
(
NodeCanReused
(
var
)
&&
cfg_
->
Use
(
op
).
count
(
var
->
Name
())
==
0
)
{
ir
::
Node
*
cache
=
pool_
.
FindBestFitNode
(
var
);
if
(
var
->
Name
()
==
FLAGS_memory_optimize_debug
)
{
VLOG
(
3
)
<<
"start match var "
<<
DebugString
(
var
)
<<
" of op "
<<
op
->
Name
();
VLOG
(
3
)
<<
pool_
.
ToString
();
VLOG
(
3
)
<<
"matched in pool : "
<<
((
cache
==
nullptr
)
?
"False"
:
"True"
);
}
if
(
cache
==
nullptr
)
continue
;
if
(
var
->
Name
()
==
cache
->
Name
())
{
VLOG
(
3
)
<<
"The same cache variable is cascade reused."
<<
var
->
Name
()
<<
" is re-filled to the pool after"
<<
"the reused op is finished. Current op can not "
<<
"replace it again. Skip this candidate."
;
continue
;
int
node_idx_in_pool
=
pool_
.
GetNodeIndexInPool
(
cache
);
VLOG
(
3
)
<<
string
::
Sprintf
(
"!!! %s, %s => %s, cache idx %d, pool size %d"
,
std
::
to_string
(
reuse_id
++
),
DebugString
(
var
),
DebugString
(
cache
),
node_idx_in_pool
,
static_cast
<
int
>
(
pool_
.
size
()));
// update CFG Graph on the fly.
// reused var maybe re-fill into the pool
cfg_
->
RenameVarInCFGGraph
(
var
->
Name
(),
cache
->
Name
(),
idx
);
// NOTE(dzhwinter): we need to both update the ProgramDesc
// and IR Graph. because op_desc/var_desc is used in CreateOp,
// CreateVar when running happens. But IR Graph
// define the dependence relationship between nodes.
RenameVarInGraphDesc
(
var
->
Name
(),
cache
->
Name
(),
idx
);
RenameVarInGraphNode
(
var
->
Name
(),
cache
->
Name
(),
idx
,
graph
.
get
());
if
(
cache
!=
nullptr
)
{
if
(
var
->
Name
()
==
cache
->
Name
())
{
VLOG
(
3
)
<<
"The same cache variable is cascade reused."
<<
var
->
Name
()
<<
" is re-filled to the pool after"
<<
"the reused op is finished. Current op can not "
<<
"replace it again. Skip this candidate."
;
continue
;
}
pool_
.
Erase
(
cache
);
}
int
node_idx_in_pool
=
pool_
.
GetNodeIndexInPool
(
cache
);
VLOG
(
3
)
<<
string
::
Sprintf
(
"!!! %s, %s => %s, cache idx %d, pool size %d"
,
std
::
to_string
(
reuse_id
++
),
DebugString
(
var
),
DebugString
(
cache
),
node_idx_in_pool
,
static_cast
<
int
>
(
pool_
.
size
()));
// NOTE(dzhwinter): update the ProgramDesc/IR Graph
// and the CFG Graph on the fly.
//
// IR Graph define the dependence relationship between nodes.
//
// ProgramDesc defines the input/output vars. Its used in
// CreateOp, CreateVar when running happens.
//
// CFG Graph store the liveness information, when reuse happens
// we also need to update the variable liveness.
cfg_
->
RenameVarInCFGGraph
(
var
->
Name
(),
cache
->
Name
(),
idx
);
RenameVarInGraphDesc
(
var
->
Name
(),
cache
->
Name
(),
idx
);
RenameVarInGraphNode
(
var
->
Name
(),
cache
->
Name
(),
idx
,
graph
.
get
());
// fill the pool
std
::
unordered_set
<
std
::
string
>
unlived_vars
;
for
(
auto
var
:
cfg_
->
LiveIn
(
op
))
{
if
(
cfg_
->
LiveOut
(
op
).
count
(
var
)
==
0
)
{
unlived_vars
.
emplace
(
var
);
pool_
.
Erase
(
cache
);
}
}
for
(
auto
var
:
unlived_vars
)
{
}
// fill the pool
for
(
auto
var
:
cfg_
->
LiveIn
(
op
))
{
if
(
cfg_
->
LiveOut
(
op
).
count
(
var
)
==
0
)
{
ir
::
Node
*
var_node
=
cfg_
->
GetNodeByName
(
var
,
op
);
if
(
var_node
==
nullptr
)
continue
;
if
(
NodeCanReused
(
var_node
)
&&
!
pool_
.
Has
(
var_node
))
{
pool_
.
Insert
(
var_node
);
}
...
...
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