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体验新版 GitCode,发现更多精彩内容 >>
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de8c344b
编写于
7月 25, 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
ENH: for clarity, change DLOG to VLOG
上级
afe7bf61
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
27 addition
and
29 deletion
+27
-29
paddle/memory/detail/buddy_allocator.cc
paddle/memory/detail/buddy_allocator.cc
+27
-29
未找到文件。
paddle/memory/detail/buddy_allocator.cc
浏览文件 @
de8c344b
...
...
@@ -27,12 +27,11 @@ BuddyAllocator::BuddyAllocator(SystemAllocator* system_allocator,
system_allocator_
(
std
::
move
(
system_allocator
))
{}
BuddyAllocator
::~
BuddyAllocator
()
{
DLOG
(
INFO
)
<<
"BuddyAllocator Disconstructor makes sure that all of these "
"have actually been freed"
;
VLOG
(
3
)
<<
"BuddyAllocator Disconstructor makes sure that all of these "
"have actually been freed"
;
while
(
!
pool_
.
empty
())
{
auto
block
=
static_cast
<
MemoryBlock
*>
(
std
::
get
<
2
>
(
*
pool_
.
begin
()));
DLOG
(
INFO
)
<<
"Free from block ("
<<
block
<<
", "
<<
max_chunk_size_
<<
")"
;
VLOG
(
3
)
<<
"Free from block ("
<<
block
<<
", "
<<
max_chunk_size_
<<
")"
;
system_allocator_
->
Free
(
block
,
max_chunk_size_
,
block
->
index
(
cache_
));
cache_
.
invalidate
(
block
);
...
...
@@ -52,12 +51,11 @@ void* BuddyAllocator::Alloc(size_t unaligned_size) {
// acquire the allocator lock
std
::
lock_guard
<
std
::
mutex
>
lock
(
mutex_
);
DLOG
(
INFO
)
<<
"Allocate "
<<
unaligned_size
<<
" bytes from chunk size "
<<
size
;
VLOG
(
3
)
<<
"Allocate "
<<
unaligned_size
<<
" bytes from chunk size "
<<
size
;
// if the allocation is huge, send directly to the system allocator
if
(
size
>
max_chunk_size_
)
{
DLOG
(
INFO
)
<<
"Allocate from system allocator."
;
VLOG
(
3
)
<<
"Allocate from system allocator."
;
return
SystemAlloc
(
size
);
}
...
...
@@ -72,9 +70,9 @@ void* BuddyAllocator::Alloc(size_t unaligned_size) {
return
nullptr
;
}
}
else
{
DLOG
(
INFO
)
<<
"Allocation from existing memory block "
<<
std
::
get
<
2
>
(
*
it
)
<<
" at address "
<<
reinterpret_cast
<
MemoryBlock
*>
(
std
::
get
<
2
>
(
*
it
))
->
data
();
VLOG
(
3
)
<<
"Allocation from existing memory block "
<<
std
::
get
<
2
>
(
*
it
)
<<
" at address "
<<
reinterpret_cast
<
MemoryBlock
*>
(
std
::
get
<
2
>
(
*
it
))
->
data
();
}
total_used_
+=
size
;
...
...
@@ -91,10 +89,10 @@ void BuddyAllocator::Free(void* p) {
// Acquire the allocator lock
std
::
lock_guard
<
std
::
mutex
>
lock
(
mutex_
);
DLOG
(
INFO
)
<<
"Free from address "
<<
block
;
VLOG
(
3
)
<<
"Free from address "
<<
block
;
if
(
block
->
type
(
cache_
)
==
MemoryBlock
::
HUGE_CHUNK
)
{
DLOG
(
INFO
)
<<
"Free directly from system allocator"
;
VLOG
(
3
)
<<
"Free directly from system allocator"
;
system_allocator_
->
Free
(
block
,
block
->
total_size
(
cache_
),
block
->
index
(
cache_
));
...
...
@@ -111,8 +109,8 @@ void BuddyAllocator::Free(void* p) {
// Trying to merge the right buddy
if
(
block
->
has_right_buddy
(
cache_
))
{
DLOG
(
INFO
)
<<
"Merging this block "
<<
block
<<
" with its right buddy "
<<
block
->
right_buddy
(
cache_
);
VLOG
(
3
)
<<
"Merging this block "
<<
block
<<
" with its right buddy "
<<
block
->
right_buddy
(
cache_
);
auto
right_buddy
=
block
->
right_buddy
(
cache_
);
...
...
@@ -129,8 +127,8 @@ void BuddyAllocator::Free(void* p) {
// Trying to merge the left buddy
if
(
block
->
has_left_buddy
(
cache_
))
{
DLOG
(
INFO
)
<<
"Merging this block "
<<
block
<<
" with its left buddy "
<<
block
->
left_buddy
(
cache_
);
VLOG
(
3
)
<<
"Merging this block "
<<
block
<<
" with its left buddy "
<<
block
->
left_buddy
(
cache_
);
auto
left_buddy
=
block
->
left_buddy
(
cache_
);
...
...
@@ -146,8 +144,8 @@ void BuddyAllocator::Free(void* p) {
}
// Dumping this block into pool
DLOG
(
INFO
)
<<
"Inserting free block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
")"
;
VLOG
(
3
)
<<
"Inserting free block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
")"
;
pool_
.
insert
(
IndexSizeAddress
(
block
->
index
(
cache_
),
block
->
total_size
(
cache_
),
block
));
...
...
@@ -166,7 +164,7 @@ void* BuddyAllocator::SystemAlloc(size_t size) {
size_t
index
=
0
;
void
*
p
=
system_allocator_
->
Alloc
(
index
,
size
);
DLOG
(
INFO
)
<<
"Allocated "
<<
p
<<
" from system allocator."
;
VLOG
(
3
)
<<
"Allocated "
<<
p
<<
" from system allocator."
;
if
(
p
==
nullptr
)
return
nullptr
;
...
...
@@ -192,8 +190,8 @@ BuddyAllocator::PoolSet::iterator BuddyAllocator::RefillPool() {
if
(
p
==
nullptr
)
return
pool_
.
end
();
DLOG
(
INFO
)
<<
"Creating and inserting new block "
<<
p
<<
" from system allocator"
;
VLOG
(
3
)
<<
"Creating and inserting new block "
<<
p
<<
" from system allocator"
;
static_cast
<
MemoryBlock
*>
(
p
)
->
init
(
cache_
,
MemoryBlock
::
FREE_CHUNK
,
index
,
max_chunk_size_
,
nullptr
,
nullptr
);
...
...
@@ -237,19 +235,19 @@ void* BuddyAllocator::SplitToAlloc(BuddyAllocator::PoolSet::iterator it,
auto
block
=
static_cast
<
MemoryBlock
*>
(
std
::
get
<
2
>
(
*
it
));
pool_
.
erase
(
it
);
DLOG
(
INFO
)
<<
"Split block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
") into"
;
VLOG
(
3
)
<<
"Split block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
") into"
;
block
->
split
(
cache_
,
size
);
DLOG
(
INFO
)
<<
"Left block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
")"
;
VLOG
(
3
)
<<
"Left block ("
<<
block
<<
", "
<<
block
->
total_size
(
cache_
)
<<
")"
;
block
->
set_type
(
cache_
,
MemoryBlock
::
ARENA_CHUNK
);
// the rest of memory if exist
if
(
block
->
has_right_buddy
(
cache_
))
{
if
(
block
->
right_buddy
(
cache_
)
->
type
(
cache_
)
==
MemoryBlock
::
FREE_CHUNK
)
{
DLOG
(
INFO
)
<<
"Insert right block ("
<<
block
->
right_buddy
(
cache_
)
<<
", "
<<
block
->
right_buddy
(
cache_
)
->
total_size
(
cache_
)
<<
")"
;
VLOG
(
3
)
<<
"Insert right block ("
<<
block
->
right_buddy
(
cache_
)
<<
", "
<<
block
->
right_buddy
(
cache_
)
->
total_size
(
cache_
)
<<
")"
;
pool_
.
insert
(
IndexSizeAddress
(
block
->
right_buddy
(
cache_
)
->
index
(
cache_
),
...
...
@@ -276,7 +274,7 @@ void BuddyAllocator::CleanIdleFallBackAlloc() {
return
;
}
DLOG
(
INFO
)
<<
"Return block "
<<
block
<<
" to fallback allocator."
;
VLOG
(
3
)
<<
"Return block "
<<
block
<<
" to fallback allocator."
;
system_allocator_
->
Free
(
block
,
max_chunk_size_
,
block
->
index
(
cache_
));
cache_
.
invalidate
(
block
);
...
...
@@ -312,7 +310,7 @@ void BuddyAllocator::CleanIdleNormalAlloc() {
MemoryBlock
*
block
=
static_cast
<
MemoryBlock
*>
(
std
::
get
<
2
>
(
*
pool
));
DLOG
(
INFO
)
<<
"Return block "
<<
block
<<
" to base allocator."
;
VLOG
(
3
)
<<
"Return block "
<<
block
<<
" to base allocator."
;
system_allocator_
->
Free
(
block
,
max_chunk_size_
,
block
->
index
(
cache_
));
cache_
.
invalidate
(
block
);
...
...
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