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
PaddleDetection
提交
01975ec1
P
PaddleDetection
项目概览
PaddlePaddle
/
PaddleDetection
接近 2 年 前同步成功
通知
707
Star
11112
Fork
2696
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
184
列表
看板
标记
里程碑
合并请求
40
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
P
PaddleDetection
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
184
Issue
184
列表
看板
标记
里程碑
合并请求
40
合并请求
40
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
01975ec1
编写于
5月 21, 2018
作者:
T
tangwei12
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
add checkpoint in io
上级
5451c78d
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
48 addition
and
17 deletion
+48
-17
python/paddle/fluid/io.py
python/paddle/fluid/io.py
+48
-17
未找到文件。
python/paddle/fluid/io.py
浏览文件 @
01975ec1
...
@@ -13,21 +13,17 @@
...
@@ -13,21 +13,17 @@
# limitations under the License.
# limitations under the License.
import
os
import
os
import
time
import
shutil
from
paddle.fluid.evaluator
import
Evaluator
from
paddle.fluid.evaluator
import
Evaluator
from
paddle.fluid.framework
import
Program
,
Parameter
,
default_main_program
,
Variable
from
paddle.fluid.framework
import
Program
,
Parameter
,
default_main_program
,
Variable
from
.
import
core
from
.
import
core
__all__
=
[
__all__
=
[
'save_vars'
,
'save_vars'
,
'save_params'
,
'save_persistables'
,
'load_vars'
,
'load_params'
,
'save_params'
,
'load_persistables'
,
'save_inference_model'
,
'load_inference_model'
,
'save_persistables'
,
'get_inference_program'
,
'save_checkpoint'
,
'restore_checkpoint'
'load_vars'
,
'load_params'
,
'load_persistables'
,
'save_inference_model'
,
'load_inference_model'
,
'get_inference_program'
,
]
]
...
@@ -195,6 +191,8 @@ def load_vars(executor,
...
@@ -195,6 +191,8 @@ def load_vars(executor,
load_var_map
=
{}
load_var_map
=
{}
for
each_var
in
vars
:
for
each_var
in
vars
:
assert
isinstance
(
each_var
,
Variable
)
assert
isinstance
(
each_var
,
Variable
)
if
each_var
.
type
==
core
.
VarDesc
.
VarType
.
RAW
:
continue
new_var
=
_clone_var_in_block_
(
load_block
,
each_var
)
new_var
=
_clone_var_in_block_
(
load_block
,
each_var
)
if
filename
is
None
:
if
filename
is
None
:
load_block
.
append_op
(
load_block
.
append_op
(
...
@@ -457,11 +455,12 @@ def get_parameter_value_by_name(name, executor, program=None):
...
@@ -457,11 +455,12 @@ def get_parameter_value_by_name(name, executor, program=None):
SUCCESS
=
"_SUCCESS"
SUCCESS
=
"_SUCCESS"
BEGIN_SECS
=
time
.
time
()
def
save_checkpoint
(
executor
,
def
save_checkpoint
(
executor
,
dirname
,
dirname
,
keep_max
=
10
,
keep_max
=
3
,
save_secs
=
600
,
save_secs
=
600
,
main_program
=
None
):
main_program
=
None
):
"""
"""
...
@@ -470,38 +469,70 @@ def save_checkpoint(executor,
...
@@ -470,38 +469,70 @@ def save_checkpoint(executor,
:param dirname
:param dirname
:param keep_max
:param keep_max
:param save_secs
:param save_secs
:param main_program
"""
"""
if
dirname
is
None
:
if
dirname
is
None
:
raise
Exception
(
"save checkpoint dir can not be none"
)
raise
Exception
(
"save checkpoint dir can not be none"
)
if
not
os
.
path
.
isdir
(
dirname
):
if
not
os
.
path
.
isdir
(
dirname
):
os
.
makedirs
(
dirname
)
os
.
makedirs
(
dirname
)
serial
=
_get_lastest_checkpoint_dir
(
dirname
)
+
1
cur_dir
=
os
.
path
.
join
(
dirname
,
serial
)
global
BEGIN_SECS
if
time
.
time
()
-
BEGIN_SECS
<
save_secs
:
return
BEGIN_SECS
=
time
.
time
()
serial
=
_get_lastest_checkpoint_dir
(
dirname
)
+
1
cur_dir
=
os
.
path
.
join
(
dirname
,
str
(
serial
))
save_persistables
(
executor
,
cur_dir
,
main_program
)
save_persistables
(
executor
,
cur_dir
,
main_program
)
_write_success
(
cur_dir
)
_write_success
(
cur_dir
)
_lru_delete
(
dirname
,
keep_max
)
def
restore_checkpoint
(
dirname
,
executor
,
main_program
=
None
):
def
restore_checkpoint
(
dirname
,
executor
,
main_program
=
None
):
"""
"""
Load Variables from Checkpint Dir
Load Variables from Checkpint Dir
:param dir
:param dirname
:param executor
:param main_program
"""
"""
if
dirname
is
None
and
os
.
path
.
isdir
(
dirname
):
if
dirname
is
None
and
os
.
path
.
isdir
(
dirname
):
raise
Exception
(
"restore checkpoint can not load variables from %s"
%
raise
Exception
(
"restore checkpoint can not load variables from %s"
%
dirname
)
dirname
)
serial
=
_get_lastest_checkpoint_dir
(
dirname
)
+
1
serial
=
_get_lastest_checkpoint_dir
(
dirname
)
if
serial
<
-
1
:
if
serial
<
0
:
return
return
cur_dir
=
os
.
path
.
join
(
dirname
,
s
erial
)
cur_dir
=
os
.
path
.
join
(
dirname
,
s
tr
(
serial
)
)
load_persistables
(
executor
,
cur_dir
,
main_program
)
load_persistables
(
executor
,
cur_dir
,
main_program
)
def
_lru_delete
(
dirname
,
keep_max
=
3
):
"""
retain checkpoint nums with keep_max
"""
dirs
=
os
.
listdir
(
dirname
)
serials
=
[]
for
serial
in
dirs
:
try
:
serials
.
append
(
int
(
serial
))
except
ValueError
:
continue
if
len
(
serials
)
<=
keep_max
:
return
serials
.
sort
(
reverse
=
True
)
serials
=
serials
[
keep_max
:]
for
serial
in
serials
:
cur_dir
=
os
.
path
.
join
(
dirname
,
str
(
serial
))
shutil
.
rmtree
(
cur_dir
)
def
_write_success
(
dirname
):
def
_write_success
(
dirname
):
"""
"""
write _SUCCESS to checkpoint dir
"""
"""
success_file
=
os
.
path
.
join
(
dirname
,
SUCCESS
)
success_file
=
os
.
path
.
join
(
dirname
,
SUCCESS
)
with
open
(
success_file
,
'a'
):
with
open
(
success_file
,
'a'
):
...
@@ -513,7 +544,7 @@ def _get_lastest_checkpoint_dir(checkpoint_dir):
...
@@ -513,7 +544,7 @@ def _get_lastest_checkpoint_dir(checkpoint_dir):
get the biggest number in checkpoint_dir, which has _SUCCESS
get the biggest number in checkpoint_dir, which has _SUCCESS
"""
"""
if
not
checkpoint_dir
.
strip
():
if
not
checkpoint_dir
.
strip
():
return
""
return
-
1
def
has_success
(
checkpoint_dir
,
cur_dir
):
def
has_success
(
checkpoint_dir
,
cur_dir
):
"""
"""
...
...
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