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体验新版 GitCode,发现更多精彩内容 >>
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3bb86994
编写于
6月 12, 2018
作者:
Y
yi.wu
浏览文件
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电子邮件补丁
差异文件
support running test with reader
上级
5100c4c3
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1
隐藏空白更改
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1 changed file
with
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+68
-0
python/paddle/fluid/layers/io.py
python/paddle/fluid/layers/io.py
+68
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python/paddle/fluid/layers/io.py
浏览文件 @
3bb86994
...
...
@@ -689,3 +689,71 @@ def load(out, file_path, load_as_fp16=None):
if
load_as_fp16
is
not
None
:
attrs
[
'load_as_fp16'
]
=
load_as_fp16
helper
.
append_op
(
type
=
"load"
,
inputs
=
{},
output
=
{
"Out"
:
out
},
args
=
attrs
)
def
get_test_program
(
filelist
,
test_program
=
None
,
startup_program
=
None
):
"""
Transpile current program to read test dataset if the program
is using reader ops like "open_files_op".
Args:
filelist (list): list of test file paths.
test_program (Program|None): program to run test/evaluation.
default use fluid.default_main_program()
startup_program (Program|None): startup program to change,
default use fluid.default_startup_program()
Returns:
Program: program for test
"""
if
test_program
==
None
:
program
=
default_main_program
()
if
startup_program
==
None
:
startup_program
=
default_startup_program
()
# 1. find out the orignal reader var name
open_files_var
=
None
train_open_files_op
=
None
for
op
in
startup_program
.
global_block
().
ops
:
if
op
.
type
==
"open_files"
:
train_open_files_op
=
op
open_files_var_name
=
op
.
output
(
"Out"
)[
0
]
open_files_var
=
startup_program
.
global_block
().
vars
[
open_files_var_name
]
# 2. add operator to startup to read open and read test data files
test_startup_var
=
startup_program
.
global_block
().
create_var
(
name
=
open_files_var
.
name
+
"_test"
)
print
(
"creating openfiles for test reader: "
,
train_open_files_op
.
attrs
)
startup_program
.
global_block
().
append_op
(
type
=
'open_files'
,
outputs
=
{
'Out'
:
[
test_startup_var
]},
attrs
=
{
'shape_concat'
:
train_open_files_op
.
attrs
[
"shape_concat"
],
'lod_levels'
:
train_open_files_op
.
attrs
[
"lod_levels"
],
'ranks'
:
train_open_files_op
.
attrs
[
"ranks"
],
'file_names'
:
filelist
,
'thread_num'
:
train_open_files_op
.
attrs
[
"thread_num"
],
'buffer_size'
:
train_open_files_op
.
attrs
[
"buffer_size"
]
})
dtypes
=
[
convert_np_dtype_to_dtype_
(
dt
)
for
dt
in
[
"float32"
,
"int64"
]]
test_startup_var
.
desc
.
set_dtypes
(
dtypes
)
test_startup_var
.
persistable
=
True
_copy_reader_var_
(
default_main_program
().
global_block
(),
test_startup_var
)
# 3. rename reader vars in inference program to different name
# to avoid read from train data.
program
.
global_block
().
rename_var
(
open_files_var
.
name
,
test_startup_var
.
name
)
for
op
in
program
.
global_block
().
ops
:
if
"Out"
in
op
.
output_names
:
op_out_var_name
=
op
.
output
(
"Out"
)[
0
]
op_out_var
=
program
.
global_block
().
vars
[
op_out_var_name
]
if
op_out_var
.
type
==
core
.
VarDesc
.
VarType
.
READER
:
newname
=
op_out_var
.
name
+
"_test"
program
.
global_block
().
rename_var
(
op_out_var
.
name
,
newname
)
program
.
sync_with_cpp
()
return
program
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