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
BaiXuePrincess
Paddle
提交
a669bf48
P
Paddle
项目概览
BaiXuePrincess
/
Paddle
与 Fork 源项目一致
Fork自
PaddlePaddle / Paddle
通知
1
Star
1
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
Paddle
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
a669bf48
编写于
7月 06, 2017
作者:
L
liaogang
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
FIX: explicit construct pool element
上级
3ad8e364
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
13 addition
and
10 deletion
+13
-10
paddle/memory/detail/buddy_allocator.cc
paddle/memory/detail/buddy_allocator.cc
+13
-10
未找到文件。
paddle/memory/detail/buddy_allocator.cc
浏览文件 @
a669bf48
...
...
@@ -118,8 +118,9 @@ void BuddyAllocator::Free(void* p) {
if
(
right_buddy
->
type
(
cache_
)
==
MemoryBlock
::
FREE_CHUNK
)
{
// Take away right buddy from pool
pool_
.
erase
({
right_buddy
->
index
(
cache_
),
right_buddy
->
total_size
(
cache_
),
right_buddy
});
pool_
.
erase
(
IndexSizeAddress
(
right_buddy
->
index
(
cache_
),
right_buddy
->
total_size
(
cache_
),
right_buddy
));
// merge its right buddy to the block
block
->
merge
(
cache_
,
right_buddy
);
...
...
@@ -135,8 +136,8 @@ void BuddyAllocator::Free(void* p) {
if
(
left_buddy
->
type
(
cache_
)
==
MemoryBlock
::
FREE_CHUNK
)
{
// Take away right buddy from pool
pool_
.
erase
(
{
left_buddy
->
index
(
cache_
),
left_buddy
->
total_size
(
cache_
),
left_buddy
}
);
pool_
.
erase
(
IndexSizeAddress
(
left_buddy
->
index
(
cache_
),
left_buddy
->
total_size
(
cache_
),
left_buddy
)
);
// merge the block to its left buddy
left_buddy
->
merge
(
cache_
,
block
);
...
...
@@ -147,7 +148,8 @@ void BuddyAllocator::Free(void* p) {
// Dumping this block into pool
DLOG
(
INFO
)
<<
"Inserting free block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
")"
;
pool_
.
insert
({
block
->
index
(
cache_
),
block
->
total_size
(
cache_
),
block
});
pool_
.
insert
(
IndexSizeAddress
(
block
->
index
(
cache_
),
block
->
total_size
(
cache_
),
block
));
// TODO(gangliao): Clean up if existing too much free memory
}
...
...
@@ -193,14 +195,14 @@ BuddyAllocator::PoolSet::iterator BuddyAllocator::RefillPool() {
total_free_
+=
max_chunk_size_
;
// dump the block into pool
return
pool_
.
insert
(
{
index
,
max_chunk_size_
,
p
}
).
first
;
return
pool_
.
insert
(
IndexSizeAddress
(
index
,
max_chunk_size_
,
p
)
).
first
;
}
BuddyAllocator
::
PoolSet
::
iterator
BuddyAllocator
::
FindExistChunk
(
size_t
size
)
{
size_t
index
=
0
;
while
(
1
)
{
auto
it
=
pool_
.
lower_bound
(
{
index
,
size
,
nullptr
}
);
auto
it
=
pool_
.
lower_bound
(
IndexSizeAddress
(
index
,
size
,
nullptr
)
);
// no match chunk memory
if
(
it
==
pool_
.
end
())
return
it
;
...
...
@@ -237,9 +239,10 @@ void* BuddyAllocator::SplitToAlloc(BuddyAllocator::PoolSet::iterator it,
DLOG
(
INFO
)
<<
"Insert right block ("
<<
block
->
right_buddy
(
cache_
)
<<
", "
<<
block
->
right_buddy
(
cache_
)
->
total_size
(
cache_
)
<<
")"
;
pool_
.
insert
({
block
->
right_buddy
(
cache_
)
->
index
(
cache_
),
block
->
right_buddy
(
cache_
)
->
total_size
(
cache_
),
block
->
right_buddy
(
cache_
)});
pool_
.
insert
(
IndexSizeAddress
(
block
->
right_buddy
(
cache_
)
->
index
(
cache_
),
block
->
right_buddy
(
cache_
)
->
total_size
(
cache_
),
block
->
right_buddy
(
cache_
)));
}
}
...
...
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