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dadd5086
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dadd5086
编写于
4月 28, 2021
作者:
M
Megvii Engine Team
浏览文件
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差异文件
test(param_pack): more cases for param pack concat
GitOrigin-RevId: 0700b548ab300811528023a334e59c1c156dcd49
上级
346d2420
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
27 addition
and
41 deletion
+27
-41
imperative/python/test/integration/test_param_pack.py
imperative/python/test/integration/test_param_pack.py
+27
-41
未找到文件。
imperative/python/test/integration/test_param_pack.py
浏览文件 @
dadd5086
...
...
@@ -22,9 +22,11 @@ from megengine.optimizer import SGD
class
Simple
(
Module
):
def
__init__
(
self
):
def
__init__
(
self
,
param_shape
):
super
().
__init__
()
self
.
params
=
[
Parameter
(
1.0
,
dtype
=
np
.
float32
)
for
i
in
range
(
10
)]
self
.
params
=
[
Parameter
(
np
.
ones
(
param_shape
),
dtype
=
np
.
float32
)
for
i
in
range
(
10
)
]
def
forward
(
self
,
x
):
for
p
in
self
.
params
:
...
...
@@ -34,51 +36,35 @@ class Simple(Module):
@
pytest
.
mark
.
require_ngpu
(
2
)
@
pytest
.
mark
.
isolated_distributed
def
test_param_pack
():
data
=
np
.
ones
([
1
],
dtype
=
"float32"
)
@
dist
.
launcher
@
pytest
.
mark
.
parametrize
(
"threshold"
,
[
0
,
128
,
None
],
ids
=
[
"no_pack"
,
"small_pack"
,
"large_pack"
]
)
@
pytest
.
mark
.
parametrize
(
"param_shape"
,
[(
16
,),
(
128
,
256
),
(
2
,
1024
,
1024
)])
def
test_param_pack
(
param_shape
,
threshold
,
n_iters
=
100
):
data
=
np
.
ones
(
param_shape
,
dtype
=
"float32"
)
@
dist
.
launcher
(
n_gpus
=
2
)
def
worker
():
net
=
Simple
()
opt
=
SGD
(
net
.
parameters
(),
lr
=
0.1
)
gm
=
ad
.
GradManager
().
attach
(
net
.
parameters
(),
callbacks
=
[
dist
.
make_allreduce_cb
(
"MEAN"
,
dist
.
WORLD
)]
)
opt
.
clear_grad
()
with
gm
:
x
=
tensor
(
data
)
loss
=
net
(
x
)
loss
=
loss
.
sum
()
gm
.
backward
(
loss
)
for
p
in
net
.
params
:
np
.
testing
.
assert_equal
(
p
.
grad
.
numpy
(),
1
)
worker
()
@
pytest
.
mark
.
require_ngpu
(
2
)
@
pytest
.
mark
.
isolated_distributed
def
test_param_pack_with_no_param
():
data
=
np
.
ones
([
1
],
dtype
=
"float32"
)
@
dist
.
launcher
def
worker
():
net
=
Simple
()
net
=
Simple
(
param_shape
)
opt
=
SGD
(
net
.
parameters
(),
lr
=
0.1
)
allreduce_cb
=
dist
.
make_allreduce_cb
(
"MEAN"
,
dist
.
WORLD
)
allreduce_cb
.
_param_pack_thd
=
0
if
threshold
is
not
None
:
allreduce_cb
.
_param_pack_thd
=
threshold
gm
=
ad
.
GradManager
().
attach
(
net
.
parameters
(),
callbacks
=
[
allreduce_cb
])
opt
.
clear_grad
()
with
gm
:
x
=
tensor
(
data
)
loss
=
net
(
x
)
loss
=
loss
.
sum
()
gm
.
backward
(
loss
)
def
run
():
opt
.
clear_grad
()
with
gm
:
x
=
tensor
(
data
)
loss
=
net
(
x
)
loss
=
loss
.
sum
()
gm
.
backward
(
loss
)
for
i
in
range
(
n_iters
):
run
()
for
p
in
net
.
params
:
np
.
testing
.
assert_equal
(
p
.
grad
.
numpy
(),
1
)
np
.
testing
.
assert_equal
(
p
.
grad
.
numpy
(),
np
.
ones_like
(
p
.
grad
.
numpy
())
)
worker
()
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