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
PaddlePaddle
Paddle
提交
a669bf48
P
Paddle
项目概览
PaddlePaddle
/
Paddle
大约 1 年 前同步成功
通知
2298
Star
20931
Fork
5422
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
1423
列表
看板
标记
里程碑
合并请求
543
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
1,423
Issue
1,423
列表
看板
标记
里程碑
合并请求
543
合并请求
543
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
显示空白变更内容
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_
),
pool_
.
insert
(
IndexSizeAddress
(
block
->
right_buddy
(
cache_
)
->
index
(
cache_
),
block
->
right_buddy
(
cache_
)
->
total_size
(
cache_
),
block
->
right_buddy
(
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