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e3d910f4
编写于
7月 30, 2019
作者:
J
jerrywgz
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
clean code
上级
73d5f419
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
8 addition
and
22 deletion
+8
-22
LRC/learning_rate.py
LRC/learning_rate.py
+0
-1
LRC/model.py
LRC/model.py
+0
-1
LRC/reader_cifar.py
LRC/reader_cifar.py
+5
-8
LRC/train_mixup.py
LRC/train_mixup.py
+3
-8
LRC/utils.py
LRC/utils.py
+0
-4
未找到文件。
LRC/learning_rate.py
浏览文件 @
e3d910f4
...
...
@@ -76,4 +76,3 @@ def cosine_with_warmup_decay(learning_rate, lr_min, steps_one_epoch,
fluid
.
layers
.
assign
(
cosine_lr
,
lr
)
return
lr
LRC/model.py
浏览文件 @
e3d910f4
...
...
@@ -175,7 +175,6 @@ def StemConv(input, C_out, kernel_size, padding):
return
bn_a
class
NetworkCIFAR
(
object
):
def
__init__
(
self
,
C
,
class_num
,
layers
,
auxiliary
,
genotype
):
self
.
_layers
=
layers
...
...
LRC/reader_cifar.py
浏览文件 @
e3d910f4
...
...
@@ -52,6 +52,7 @@ half_length = 8
CIFAR_MEAN
=
[
0.49139968
,
0.48215827
,
0.44653124
]
CIFAR_STD
=
[
0.24703233
,
0.24348505
,
0.26158768
]
def
generate_reshape_label
(
label
,
batch_size
,
CIFAR_CLASSES
=
10
):
reshape_label
=
np
.
zeros
((
batch_size
,
1
),
dtype
=
'int32'
)
reshape_non_label
=
np
.
zeros
(
...
...
@@ -88,7 +89,7 @@ def preprocess(sample, is_training, args):
image_array
=
sample
.
reshape
(
3
,
image_size
,
image_size
)
rgb_array
=
np
.
transpose
(
image_array
,
(
1
,
2
,
0
))
img
=
Image
.
fromarray
(
rgb_array
,
'RGB'
)
if
is_training
:
# pad and ramdom crop
img
=
ImageOps
.
expand
(
img
,
(
4
,
4
,
4
,
4
),
fill
=
0
)
# pad to 40 * 40 * 3
...
...
@@ -97,13 +98,13 @@ def preprocess(sample, is_training, args):
left_top
[
1
]
+
image_size
))
if
np
.
random
.
randint
(
2
):
img
=
img
.
transpose
(
Image
.
FLIP_LEFT_RIGHT
)
img
=
np
.
array
(
img
).
astype
(
np
.
float32
)
# per_image_standardization
img_float
=
img
/
255.0
img
=
(
img_float
-
CIFAR_MEAN
)
/
CIFAR_STD
if
is_training
and
args
.
cutout
:
center
=
np
.
random
.
randint
(
image_size
,
size
=
2
)
offset_width
=
max
(
0
,
center
[
0
]
-
half_length
)
...
...
@@ -114,7 +115,7 @@ def preprocess(sample, is_training, args):
for
i
in
range
(
offset_height
,
target_height
):
for
j
in
range
(
offset_width
,
target_width
):
img
[
i
][
j
][:]
=
0.0
img
=
np
.
transpose
(
img
,
(
2
,
0
,
1
))
return
img
...
...
@@ -153,10 +154,6 @@ def reader_creator_filepath(filename, sub_name, is_training, args):
if
len
(
batch_data
)
==
args
.
batch_size
:
batch_data
=
np
.
array
(
batch_data
,
dtype
=
'float32'
)
batch_label
=
np
.
array
(
batch_label
,
dtype
=
'int64'
)
#
# batch_data = pickle.load(open('input.pkl'))
# batch_label = pickle.load(open('target.pkl')).reshape(-1,1)
#
if
is_training
:
flatten_label
,
flatten_non_label
=
\
generate_reshape_label
(
batch_label
,
args
.
batch_size
)
...
...
LRC/train_mixup.py
浏览文件 @
e3d910f4
...
...
@@ -70,6 +70,7 @@ dataset_train_size = 50000.
image_size
=
32
genotypes
.
DARTS
=
genotypes
.
MY_DARTS_list
[
args
.
model_id
]
def
main
():
image_shape
=
[
3
,
image_size
,
image_size
]
devices
=
os
.
getenv
(
"CUDA_VISIBLE_DEVICES"
)
or
""
...
...
@@ -79,7 +80,8 @@ def main():
model
=
Network
(
args
.
init_channels
,
CIFAR_CLASSES
,
args
.
layers
,
args
.
auxiliary
,
genotype
)
steps_one_epoch
=
math
.
ceil
(
dataset_train_size
/
(
devices_num
*
args
.
batch_size
))
steps_one_epoch
=
math
.
ceil
(
dataset_train_size
/
(
devices_num
*
args
.
batch_size
))
train
(
model
,
args
,
image_shape
,
steps_one_epoch
)
...
...
@@ -136,13 +138,6 @@ def train(model, args, im_shape, steps_one_epoch):
main_program
=
train_prog
,
predicate
=
if_exist
)
#if args.pretrained_model:
# def if_exist(var):
# return os.path.exists(os.path.join(args.pretrained_model, var.name))
# fluid.io.load_vars(exe, args.pretrained_model, main_program=train_prog, predicate=if_exist)
exec_strategy
=
fluid
.
ExecutionStrategy
()
exec_strategy
.
num_threads
=
1
build_strategy
=
fluid
.
BuildStrategy
()
...
...
LRC/utils.py
浏览文件 @
e3d910f4
...
...
@@ -34,10 +34,6 @@ def mixup_data(x, y, batch_size, alpha=1.0):
lam
=
1.
index
=
np
.
random
.
permutation
(
batch_size
)
#
#lam = 0.5
#index = np.arange(batch_size-1, -1, -1)
#
mixed_x
=
lam
*
x
+
(
1
-
lam
)
*
x
[
index
,
:]
y_a
,
y_b
=
y
,
y
[
index
]
return
mixed_x
.
astype
(
'float32'
),
y_a
.
astype
(
'int64'
),
\
...
...
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