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ff51164e
编写于
2月 06, 2020
作者:
L
LielinJiang
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
fix bug from qa
上级
42e7a737
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
9 addition
and
12 deletion
+9
-12
slim/distillation/README.md
slim/distillation/README.md
+4
-4
slim/distillation/model_builder.py
slim/distillation/model_builder.py
+1
-2
slim/distillation/train_distill.py
slim/distillation/train_distill.py
+3
-5
slim/nas/README.md
slim/nas/README.md
+1
-1
未找到文件。
slim/distillation/README.md
浏览文件 @
ff51164e
...
...
@@ -71,10 +71,10 @@ distill_loss = l2_loss('teacher_bilinear_interp_2.tmp_0', 'bilinear_interp_1.tmp
### 执行示例
如下命令启动训练,每间隔
```cfg.TRAIN.SNAPSHOT_EPOCH```
会进行一次评估。
```
shell
CUDA_VISIBLE_DEVICES
=
0,1
python
-m
paddle.distributed.launch ./slim/distill
/train
.py
\
--log_steps
10
--cfg
./slim/distill
/cityscape_fast_scnn
.yaml
\
--teacher_cfg
./slim/distill/cityscape_teacher.yaml
\
CUDA_VISIBLE_DEVICES
=
0,1
python
-m
paddle.distributed.launch ./slim/distill
ation/train_distill
.py
\
--log_steps
10
--cfg
./slim/distill
ation/cityscape
.yaml
\
--teacher_cfg
./slim/distill
ation
/cityscape_teacher.yaml
\
--use_gpu
\
--use_mpio
\
--do_eval
...
...
slim/distillation/model_builder.py
浏览文件 @
ff51164e
...
...
@@ -157,7 +157,7 @@ def export_preprocess(image):
def
build_model
(
main_prog
=
None
,
start_prog
=
None
,
phase
=
ModelPhase
.
TRAIN
,
**
kwargs
):
print
(
'debugggggggggg'
)
if
not
ModelPhase
.
is_valid_phase
(
phase
):
raise
ValueError
(
"ModelPhase {} is not valid!"
.
format
(
phase
))
if
ModelPhase
.
is_train
(
phase
):
...
...
@@ -176,7 +176,6 @@ def build_model(main_prog=None, start_prog=None, phase=ModelPhase.TRAIN, **kwarg
# 在导出模型的时候,增加图像标准化预处理,减小预测部署时图像的处理流程
# 预测部署时只须对输入图像增加batch_size维度即可
if
cfg
.
SLIM
.
KNOWLEDGE_DISTILL_IS_TEACHER
:
print
(
'teacher input:'
)
image
=
main_prog
.
global_block
().
_clone_variable
(
kwargs
[
'image'
],
force_persistable
=
False
)
label
=
main_prog
.
global_block
().
_clone_variable
(
kwargs
[
'label'
],
...
...
slim/distillation/train_distill.py
浏览文件 @
ff51164e
...
...
@@ -23,7 +23,7 @@ import sys
LOCAL_PATH
=
os
.
path
.
dirname
(
os
.
path
.
abspath
(
__file__
))
SEG_PATH
=
os
.
path
.
join
(
LOCAL_PATH
,
"../../"
,
"pdseg"
)
sys
.
path
.
append
(
SEG_PATH
)
sys
.
path
.
append
(
'/workspace/codes/PaddleSlim1'
)
import
argparse
import
pprint
import
random
...
...
@@ -278,8 +278,6 @@ def train(cfg):
label
=
grts
,
mask
=
masks
)
exe
.
run
(
teacher_startup_program
)
# assert FLAGS.teacher_pretrained, "teacher_pretrained should be set"
# checkpoint.load_params(exe, teacher_program, FLAGS.teacher_pretrained)
teacher_program
=
teacher_program
.
clone
(
for_test
=
True
)
ckpt_dir
=
cfg
.
SLIM
.
KNOWLEDGE_DISTILL_TEACHER_MODEL_DIR
...
...
@@ -295,14 +293,14 @@ def train(cfg):
'mask'
:
'mask'
,
}
merge
(
teacher_program
,
fluid
.
default_main_program
(),
data_name_map
,
place
)
distill_pairs
=
[[
'teacher_bilinear_interp_2.tmp_0'
,
'bilinear_interp_
1
.tmp_0'
]]
distill_pairs
=
[[
'teacher_bilinear_interp_2.tmp_0'
,
'bilinear_interp_
0
.tmp_0'
]]
def
distill
(
pairs
,
weight
):
"""
Add 3 pairs of distillation losses, each pair of feature maps is the
input of teacher and student's yolov3_loss respectively
"""
loss
=
l2_loss
(
pairs
[
0
][
0
],
pairs
[
0
][
1
]
,
masks
)
loss
=
l2_loss
(
pairs
[
0
][
0
],
pairs
[
0
][
1
])
weighted_loss
=
loss
*
weight
return
weighted_loss
...
...
slim/nas/README.md
浏览文件 @
ff51164e
...
...
@@ -46,7 +46,7 @@ SLIM:
## 训练与评估
执行以下命令,边训练边评估
```
shell
python
-u
./slim/nas/train
.py
--log_steps
10
--cfg
configs/cityscape
.yaml
--use_gpu
--use_mpio
\
python
-u
./slim/nas/train
_nas.py
--log_steps
10
--cfg
configs/deeplabv3p_mobilenetv2_cityscapes
.yaml
--use_gpu
--use_mpio
\
SLIM.NAS_PORT 23333
\
SLIM.NAS_ADDRESS
""
\
SLIM.NAS_SEARCH_STEPS 2
\
...
...
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