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81f22bb2
编写于
7月 02, 2018
作者:
F
fengjiayi
提交者:
GitHub
7月 02, 2018
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Merge pull request #11670 from JiayiFeng/refine_test_reader_transpiler
test reader transpiler
上级
edd947d9
7de8d115
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1
隐藏空白更改
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Showing
1 changed file
with
99 addition
and
1 deletion
+99
-1
python/paddle/fluid/io.py
python/paddle/fluid/io.py
+99
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python/paddle/fluid/io.py
浏览文件 @
81f22bb2
...
...
@@ -18,7 +18,7 @@ import time
import
shutil
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
,
default_startup_program
,
Variable
from
.
import
core
__all__
=
[
...
...
@@ -1374,3 +1374,101 @@ def get_latest_checkpoint_serial(checkpoint_dir):
if
success_num
>
current_dir
:
current_dir
=
success_num
return
current_dir
def
get_test_program
(
filelist
,
program
=
None
,
startup_program
=
None
):
"""
Transpile current train program to a program to read test dataset
if the program is using reader ops like "open_files_op".
"""
def
_copy_reader_var_
(
block
,
var
,
new_name
=
None
):
if
new_name
==
None
:
new_name
=
var
.
name
new_var
=
block
.
create_var
(
name
=
str
(
new_name
),
type
=
core
.
VarDesc
.
VarType
.
READER
)
new_var
.
desc
.
set_shapes
(
var
.
desc
.
shapes
())
new_var
.
desc
.
set_dtypes
(
var
.
desc
.
dtypes
())
new_var
.
persistable
=
True
return
new_var
def
_get_test_reader_name
(
train_reader_name
):
return
train_reader_name
+
"_test"
def
_is_reader_op
(
op
):
block
=
op
.
block
if
"Out"
in
op
.
output_names
:
reader_out
=
block
.
vars
[
op
.
output
(
"Out"
)[
0
]]
if
reader_out
.
type
==
core
.
VarDesc
.
VarType
.
READER
:
return
True
return
False
if
program
==
None
:
program
=
default_main_program
()
if
startup_program
==
None
:
startup_program
=
default_startup_program
()
startup_block
=
startup_program
.
global_block
()
# 1. find out the orignal reader var name
startup_reader_op_list
=
[]
for
op
in
startup_block
.
ops
:
if
_is_reader_op
(
op
):
startup_reader_op_list
.
append
(
op
)
if
len
(
startup_reader_op_list
)
==
0
:
return
program
root_reader_op
=
startup_reader_op_list
[
0
]
train_test_reader_map
=
{}
# 2. add operators to startup to read open and read test data files
for
op
in
startup_reader_op_list
:
assert
(
len
(
op
.
output
(
"Out"
))
==
1
)
train_reader_name
=
op
.
output
(
"Out"
)[
0
]
train_reader
=
startup_block
.
vars
[
train_reader_name
]
test_reader
=
_copy_reader_var_
(
startup_block
,
train_reader
,
new_name
=
_get_test_reader_name
(
train_reader_name
))
train_test_reader_map
[
train_reader
.
name
]
=
test_reader
test_op_inputs
=
{}
for
name
in
op
.
input_names
:
train_arg_names
=
op
.
input
(
name
)
test_arg_vars
=
[]
for
arg_name
in
train_arg_names
:
arg_var
=
train_test_reader_map
[
arg_name
]
if
name
==
"UnderlyingReader"
else
startup_block
.
vars
[
arg_name
]
test_arg_vars
.
append
(
arg_var
)
test_op_inputs
[
name
]
=
test_arg_vars
test_op
=
startup_block
.
append_op
(
type
=
op
.
type
,
inputs
=
test_op_inputs
,
outputs
=
{
'Out'
:
[
test_reader
]},
attrs
=
op
.
attrs
)
# root reader op's filelist attr for read test files
if
op
.
type
==
root_reader_op
.
type
:
test_op
.
set_attr
(
"file_names"
,
filelist
)
if
op
.
type
==
"create_multi_pass_reader"
:
test_op
.
set_attr
(
"pass_num"
,
1
)
# 3. rename reader vars in inference program to different name
# to avoid read from train data.
main_block
=
program
.
global_block
()
for
var
in
main_block
.
vars
.
values
():
if
var
.
type
==
core
.
VarDesc
.
VarType
.
READER
:
main_block
.
rename_var
(
str
(
var
.
name
),
str
(
_get_test_reader_name
(
var
.
name
)))
for
op
in
main_block
.
ops
:
if
op
.
type
==
root_reader_op
.
type
:
test_op
.
set_attr
(
"file_names"
,
filelist
)
if
op
.
type
==
"create_multi_pass_reader"
:
test_op
.
set_attr
(
"pass_num"
,
1
)
startup_program
.
sync_with_cpp
()
program
.
sync_with_cpp
()
return
program
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