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PaddleDetection
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2f55a940
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PaddleDetection
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2f55a940
编写于
10月 03, 2019
作者:
W
wangguanzhong
提交者:
GitHub
10月 03, 2019
浏览文件
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电子邮件补丁
差异文件
fix checkpoint in multi-process (#3468)
上级
30489edb
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
34 addition
and
3 deletion
+34
-3
ppdet/utils/checkpoint.py
ppdet/utils/checkpoint.py
+34
-3
未找到文件。
ppdet/utils/checkpoint.py
浏览文件 @
2f55a940
...
...
@@ -47,6 +47,37 @@ def is_url(path):
return
path
.
startswith
(
'http://'
)
or
path
.
startswith
(
'https://'
)
def
_get_weight_path
(
path
):
env
=
os
.
environ
if
'PADDLE_TRAINERS_NUM'
in
env
and
'PADDLE_TRAINER_ID'
in
env
:
trainer_id
=
int
(
env
[
'PADDLE_TRAINER_ID'
])
num_trainers
=
int
(
env
[
'PADDLE_TRAINERS_NUM'
])
if
num_trainers
<=
1
:
path
=
get_weights_path
(
path
)
else
:
from
ppdet.utils.download
import
map_path
,
WEIGHTS_HOME
weight_path
=
map_path
(
path
,
WEIGHTS_HOME
)
lock_path
=
weight_path
+
'.lock'
if
not
os
.
path
.
exists
(
weight_path
):
try
:
os
.
makedirs
(
os
.
path
.
dirname
(
weight_path
))
except
OSError
as
e
:
if
e
.
errno
!=
errno
.
EEXIST
:
raise
with
open
(
lock_path
,
'w'
):
# touch
os
.
utime
(
lock_path
,
None
)
if
trainer_id
==
0
:
get_weights_path
(
path
)
os
.
remove
(
lock_path
)
else
:
while
os
.
path
.
exists
(
lock_path
):
time
.
sleep
(
1
)
path
=
weight_path
else
:
path
=
get_weights_path
(
path
)
return
path
def
load_params
(
exe
,
prog
,
path
,
ignore_params
=
[]):
"""
Load model from the given path.
...
...
@@ -58,7 +89,7 @@ def load_params(exe, prog, path, ignore_params=[]):
"""
if
is_url
(
path
):
path
=
get_weights_path
(
path
)
path
=
_
get_weights_path
(
path
)
if
not
os
.
path
.
exists
(
path
):
raise
ValueError
(
"Model pretrain path {} does not "
...
...
@@ -94,7 +125,7 @@ def load_checkpoint(exe, prog, path):
path (string): URL string or loca model path.
"""
if
is_url
(
path
):
path
=
get_weights_path
(
path
)
path
=
_
get_weights_path
(
path
)
if
not
os
.
path
.
exists
(
path
):
raise
ValueError
(
"Model checkpoint path {} does not "
...
...
@@ -147,7 +178,7 @@ def load_and_fusebn(exe, prog, path):
logger
.
info
(
'Load model and fuse batch norm from {}...'
.
format
(
path
))
if
is_url
(
path
):
path
=
get_weights_path
(
path
)
path
=
_
get_weights_path
(
path
)
if
not
os
.
path
.
exists
(
path
):
raise
ValueError
(
"Model path {} does not exists."
.
format
(
path
))
...
...
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