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体验新版 GitCode,发现更多精彩内容 >>
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91bf39fc
编写于
4月 17, 2020
作者:
littletomatodonkey
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add distillation
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ppcls/modeling/architectures/distillation_models.py
ppcls/modeling/architectures/distillation_models.py
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ppcls/modeling/architectures/distillation_models.py
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#copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
#Licensed under the Apache License, Version 2.0 (the "License");
#you may not use this file except in compliance with the License.
#You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
#Unless required by applicable law or agreed to in writing, software
#distributed under the License is distributed on an "AS IS" BASIS,
#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#See the License for the specific language governing permissions and
#limitations under the License.
from
__future__
import
absolute_import
from
__future__
import
division
from
__future__
import
print_function
import
math
import
paddle
import
paddle.fluid
as
fluid
from
paddle.fluid.param_attr
import
ParamAttr
from
.resnet_vd
import
ResNet50_vd
from
.mobilenet_v3
import
MobileNetV3_large_x1_0
from
.resnext101_wsl
import
ResNeXt101_32x16d_wsl
__all__
=
[
'ResNet50_vd_distill_MobileNetV3_x1_0'
,
'ResNeXt101_32x16d_wsl_distill_ResNet50_vd'
]
class
ResNet50_vd_distill_MobileNetV3_x1_0
():
def
net
(
self
,
input
,
class_dim
=
1000
):
# student
student
=
MobileNetV3_large_x1_0
()
out_student
=
student
.
net
(
input
,
class_dim
=
class_dim
)
# teacher
teacher
=
ResNet50_vd
()
out_teacher
=
teacher
.
net
(
input
,
class_dim
=
class_dim
)
out_teacher
.
stop_gradient
=
True
return
out_teacher
,
out_student
class
ResNeXt101_32x16d_wsl_distill_ResNet50_vd
():
def
net
(
self
,
input
,
class_dim
=
1000
):
# student
student
=
ResNet50_vd
()
out_student
=
student
.
net
(
input
,
class_dim
=
class_dim
)
# teacher
teacher
=
ResNeXt101_32x16d_wsl
()
out_teacher
=
teacher
.
net
(
input
,
class_dim
=
class_dim
)
out_teacher
.
stop_gradient
=
True
return
out_teacher
,
out_student
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