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6fc33a0c
编写于
7月 21, 2021
作者:
K
Kaipeng Deng
提交者:
GitHub
7月 21, 2021
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电子邮件补丁
差异文件
fix DataLoader memory leak. test=develop (#34140)
上级
9b63e7f2
变更
1
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1 changed file
with
1 addition
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19 deletion
+1
-19
python/paddle/fluid/dataloader/dataloader_iter.py
python/paddle/fluid/dataloader/dataloader_iter.py
+1
-19
未找到文件。
python/paddle/fluid/dataloader/dataloader_iter.py
浏览文件 @
6fc33a0c
...
...
@@ -122,13 +122,6 @@ class _DataLoaderIterSingleProcess(_DataLoaderIterBase):
self
.
_init_thread
()
# if user exit python program when dataloader is still
# iterating, resource may no release safely, so we
# add __del__ function to to CleanupFuncRegistrar
# to make sure __del__ is always called when program
# exit for resoure releasing safely
CleanupFuncRegistrar
.
register
(
self
.
__del__
)
def
_init_thread
(
self
):
self
.
_var_names
=
[
v
.
name
for
v
in
self
.
_feed_list
]
self
.
_shapes
=
[
v
.
shape
for
v
in
self
.
_feed_list
]
...
...
@@ -284,17 +277,6 @@ class _DataLoaderIterMultiProcess(_DataLoaderIterBase):
self
.
_init_thread
()
self
.
_shutdown
=
False
# if user exit python program when dataloader is still
# iterating, resource may no release safely, so we
# add _shutdown_on_exit function to to CleanupFuncRegistrar
# to make sure _try_shutdown_all is always called when program
# exit for resoure releasing safely
# worker join may hang for in _try_shutdown_all call in atexit
# for main process is in atexit state in some OS, so we add
# timeout=1 for shutdown function call in atexit, for shutdown
# function call in __del__, we keep it as it is
CleanupFuncRegistrar
.
register
(
self
.
_shutdown_on_exit
)
def
_init_workers
(
self
):
# multiprocess worker and indice queue list initial as empty
self
.
_workers
=
[]
...
...
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