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testgroup
pytensor
Commits
b7a65bb5
提交
b7a65bb5
authored
9月 11, 2012
作者:
Ian Goodfellow
浏览文件
操作
浏览文件
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差异文件
pep8 ConvGrad3D
上级
f444ede4
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内嵌
并排
正在显示
1 个修改的文件
包含
19 行增加
和
21 行删除
+19
-21
ConvGrad3D.py
theano/tensor/nnet/ConvGrad3D.py
+19
-21
没有找到文件。
theano/tensor/nnet/ConvGrad3D.py
浏览文件 @
b7a65bb5
...
@@ -11,7 +11,7 @@ from theano.gradient import DisconnectedType
...
@@ -11,7 +11,7 @@ from theano.gradient import DisconnectedType
class
ConvGrad3D
(
theano
.
Op
):
class
ConvGrad3D
(
theano
.
Op
):
""" Gradient of Conv3D with respect to W """
""" Gradient of Conv3D with respect to W """
def
__eq__
(
self
,
other
):
def
__eq__
(
self
,
other
):
return
type
(
self
)
==
type
(
other
)
return
type
(
self
)
==
type
(
other
)
def
__hash__
(
self
):
def
__hash__
(
self
):
...
@@ -29,26 +29,26 @@ class ConvGrad3D(theano.Op):
...
@@ -29,26 +29,26 @@ class ConvGrad3D(theano.Op):
return
theano
.
Apply
(
self
,
inputs
=
[
V_
,
d_
,
WShape_
,
dCdH_
],
outputs
=
[
T
.
TensorType
(
V_
.
dtype
,
(
False
,
False
,
False
,
False
,
False
))()
]
)
return
theano
.
Apply
(
self
,
inputs
=
[
V_
,
d_
,
WShape_
,
dCdH_
],
outputs
=
[
T
.
TensorType
(
V_
.
dtype
,
(
False
,
False
,
False
,
False
,
False
))()
]
)
def
infer_shape
(
self
,
node
,
input_shapes
):
def
infer_shape
(
self
,
node
,
input_shapes
):
V
,
d
,
W_shape
,
dCdH
=
node
.
inputs
V
,
d
,
W_shape
,
dCdH
=
node
.
inputs
return
[
(
W_shape
[
0
],
W_shape
[
1
],
W_shape
[
2
],
W_shape
[
3
],
W_shape
[
4
]
)
]
return
[
(
W_shape
[
0
],
W_shape
[
1
],
W_shape
[
2
],
W_shape
[
3
],
W_shape
[
4
]
)
]
def
connection_pattern
(
self
,
node
):
def
connection_pattern
(
self
,
node
):
return
[[
True
],
[
True
],
[
False
],
[
True
]]
return
[[
True
],
[
True
],
[
False
],
[
True
]]
def
grad
(
self
,
inputs
,
output_gradients
):
def
grad
(
self
,
inputs
,
output_gradients
):
C
,
d
,
WShape
,
B
=
inputs
C
,
d
,
WShape
,
B
=
inputs
dLdA
,
=
output_gradients
dLdA
,
=
output_gradients
z
=
T
.
zeros_like
(
C
[
0
,
0
,
0
,
0
,
:])
z
=
T
.
zeros_like
(
C
[
0
,
0
,
0
,
0
,
:])
dLdC
=
convTransp3D
(
dLdA
,
z
,
d
,
B
,
C
.
shape
[
1
:
4
])
dLdC
=
convTransp3D
(
dLdA
,
z
,
d
,
B
,
C
.
shape
[
1
:
4
])
# d actually does affect the outputs, so it's not disconnected
# d actually does affect the outputs, so it's not disconnected
dLdd
=
grad_undefined
(
self
,
1
,
d
)
dLdd
=
grad_undefined
(
self
,
1
,
d
)
# The shape of the weights doesn't affect the output elements
# The shape of the weights doesn't affect the output elements
dLdWShape
=
DisconnectedType
()()
dLdWShape
=
DisconnectedType
()()
dLdB
=
conv3D
(
C
,
dLdA
,
T
.
zeros_like
(
B
[
0
,
0
,
0
,
0
,
:]),
d
)
dLdB
=
conv3D
(
C
,
dLdA
,
T
.
zeros_like
(
B
[
0
,
0
,
0
,
0
,
:]),
d
)
return
[
dLdC
,
dLdd
,
dLdWShape
,
dLdB
]
return
[
dLdC
,
dLdd
,
dLdWShape
,
dLdB
]
def
perform
(
self
,
node
,
inputs
,
output_storage
):
def
perform
(
self
,
node
,
inputs
,
output_storage
):
V
,
d
,
WShape
,
dCdH
=
inputs
V
,
d
,
WShape
,
dCdH
=
inputs
...
@@ -72,17 +72,15 @@ class ConvGrad3D(theano.Op):
...
@@ -72,17 +72,15 @@ class ConvGrad3D(theano.Op):
#print 'computing output of shape '+str(WShape)
#print 'computing output of shape '+str(WShape)
for
k
in
xrange
(
0
,
WShape
[
1
]):
for
l
in
xrange
(
0
,
WShape
[
2
]):
for
k
in
xrange
(
0
,
WShape
[
1
]):
for
m
in
xrange
(
0
,
WShape
[
3
]):
for
l
in
xrange
(
0
,
WShape
[
2
]):
for
i
in
xrange
(
0
,
batchSize
):
for
m
in
xrange
(
0
,
WShape
[
3
]):
for
p
in
xrange
(
0
,
outputHeight
):
for
i
in
xrange
(
0
,
batchSize
):
for
q
in
xrange
(
0
,
outputWidth
):
for
p
in
xrange
(
0
,
outputHeight
):
for
r
in
xrange
(
0
,
outputDur
):
for
q
in
xrange
(
0
,
outputWidth
):
for
j
in
xrange
(
0
,
WShape
[
0
]):
for
r
in
xrange
(
0
,
outputDur
):
for
z
in
xrange
(
0
,
WShape
[
4
]):
for
j
in
xrange
(
0
,
WShape
[
0
]):
for
z
in
xrange
(
0
,
WShape
[
4
]):
dCdW
[
j
,
k
,
l
,
m
,
z
]
+=
dCdH
[
i
,
p
,
q
,
r
,
j
]
*
V
[
i
,
dr
*
p
+
k
,
dc
*
q
+
l
,
dt
*
r
+
m
,
z
]
dCdW
[
j
,
k
,
l
,
m
,
z
]
+=
dCdH
[
i
,
p
,
q
,
r
,
j
]
*
V
[
i
,
dr
*
p
+
k
,
dc
*
q
+
l
,
dt
*
r
+
m
,
z
]
output_storage
[
0
][
0
]
=
dCdW
output_storage
[
0
][
0
]
=
dCdW
...
@@ -277,7 +275,7 @@ class ConvGrad3D(theano.Op):
...
@@ -277,7 +275,7 @@ class ConvGrad3D(theano.Op):
///////////// < /code generated by ConvGradW3D >
///////////// < /code generated by ConvGradW3D >
"""
"""
return
strutil
.
renderString
(
codeSource
,
locals
())
return
strutil
.
renderString
(
codeSource
,
locals
())
convGrad3D
=
ConvGrad3D
()
convGrad3D
=
ConvGrad3D
()
...
...
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