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4917534b
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体验新版 GitCode,发现更多精彩内容 >>
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4917534b
编写于
3月 16, 2021
作者:
M
Megvii Engine Team
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差异文件
feat(mge/optimizer): save state's numpy value by default in `state_dict`
GitOrigin-RevId: ec7e4d56f54f724c039b462906583bf025d060e6
上级
84f990a0
变更
1
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1 changed file
with
7 addition
and
5 deletion
+7
-5
imperative/python/megengine/optimizer/optimizer.py
imperative/python/megengine/optimizer/optimizer.py
+7
-5
未找到文件。
imperative/python/megengine/optimizer/optimizer.py
浏览文件 @
4917534b
...
@@ -8,7 +8,6 @@
...
@@ -8,7 +8,6 @@
# "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
from
abc
import
ABCMeta
,
abstractmethod
from
abc
import
ABCMeta
,
abstractmethod
from
collections.abc
import
Iterable
from
collections.abc
import
Iterable
from
contextlib
import
contextmanager
from
typing
import
Dict
from
typing
import
Dict
from
typing
import
Iterable
as
Iter
from
typing
import
Iterable
as
Iter
from
typing
import
Union
from
typing
import
Union
...
@@ -180,7 +179,7 @@ class Optimizer(metaclass=ABCMeta):
...
@@ -180,7 +179,7 @@ class Optimizer(metaclass=ABCMeta):
param
.
grad
=
None
param
.
grad
=
None
pop_scope
(
"clear_grad"
)
pop_scope
(
"clear_grad"
)
def
state_dict
(
self
)
->
Dict
:
def
state_dict
(
self
,
keep_var
=
False
)
->
Dict
:
r
"""
r
"""
Export the optimizer state.
Export the optimizer state.
...
@@ -198,6 +197,9 @@ class Optimizer(metaclass=ABCMeta):
...
@@ -198,6 +197,9 @@ class Optimizer(metaclass=ABCMeta):
cur_id
+=
1
cur_id
+=
1
for
param
,
st
in
self
.
_state
.
items
():
for
param
,
st
in
self
.
_state
.
items
():
if
not
keep_var
:
for
k
,
v
in
st
.
items
():
st
[
k
]
=
v
.
numpy
()
state
[
param2id
[
param
]]
=
st
state
[
param2id
[
param
]]
=
st
for
group
in
self
.
param_groups
:
for
group
in
self
.
param_groups
:
...
@@ -218,7 +220,6 @@ class Optimizer(metaclass=ABCMeta):
...
@@ -218,7 +220,6 @@ class Optimizer(metaclass=ABCMeta):
raise
ValueError
(
raise
ValueError
(
"loaded state dict has a different number of parameter groups"
"loaded state dict has a different number of parameter groups"
)
)
parameter_map
=
dict
()
# type: Dict
for
group_new
,
group_saved
in
zip
(
self
.
param_groups
,
state
[
"param_groups"
]):
for
group_new
,
group_saved
in
zip
(
self
.
param_groups
,
state
[
"param_groups"
]):
if
len
(
group_new
[
"params"
])
!=
len
(
group_saved
[
"params"
]):
if
len
(
group_new
[
"params"
])
!=
len
(
group_saved
[
"params"
]):
raise
ValueError
(
raise
ValueError
(
...
@@ -232,8 +233,9 @@ class Optimizer(metaclass=ABCMeta):
...
@@ -232,8 +233,9 @@ class Optimizer(metaclass=ABCMeta):
self
.
_state
[
p
]
=
state
[
"state"
][
param_saved
].
copy
()
self
.
_state
[
p
]
=
state
[
"state"
][
param_saved
].
copy
()
for
k
,
v
in
self
.
_state
[
p
].
items
():
for
k
,
v
in
self
.
_state
[
p
].
items
():
if
isinstance
(
v
,
Tensor
):
if
isinstance
(
v
,
Tensor
):
# TODO: maybe a more efficient way?
self
.
_state
[
p
][
k
]
=
v
.
detach
()
self
.
_state
[
p
][
k
]
=
Tensor
(
v
.
numpy
())
else
:
self
.
_state
[
p
][
k
]
=
Tensor
(
v
)
if
set
(
group_new
.
keys
())
!=
set
(
group_saved
.
keys
()):
if
set
(
group_new
.
keys
())
!=
set
(
group_saved
.
keys
()):
raise
ValueError
(
raise
ValueError
(
...
...
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