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nexedi
cython
Commits
508ee78a
Commit
508ee78a
authored
Aug 12, 2011
by
Stefan Behnel
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optimise bpnn benchmark
parent
f08c44cd
Changes
2
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2 changed files
with
23 additions
and
2 deletions
+23
-2
Demos/benchmarks/bpnn3.pxd
Demos/benchmarks/bpnn3.pxd
+21
-0
Demos/benchmarks/bpnn3.py
Demos/benchmarks/bpnn3.py
+2
-2
No files found.
Demos/benchmarks/bpnn3.pxd
0 → 100644
View file @
508ee78a
cimport
cython
cdef
double
rand
(
double
a
,
double
b
,
random
=*
)
@
cython
.
locals
(
i
=
Py_ssize_t
)
cdef
list
makeMatrix
(
Py_ssize_t
I
,
Py_ssize_t
J
,
fill
=*
)
cdef
class
NN
:
cdef
Py_ssize_t
ni
,
nh
,
no
cdef
list
ai
,
ah
,
ao
cdef
list
wi
,
wo
cdef
list
ci
,
co
@
cython
.
locals
(
i
=
Py_ssize_t
,
j
=
Py_ssize_t
,
k
=
Py_ssize_t
)
cpdef
update
(
self
,
list
inputs
)
@
cython
.
locals
(
i
=
Py_ssize_t
,
j
=
Py_ssize_t
,
k
=
Py_ssize_t
,
change
=
double
)
cpdef
double
backPropagate
(
self
,
list
targets
,
double
N
,
M
)
@
cython
.
locals
(
i
=
Py_ssize_t
,
p
=
list
,
error
=
double
)
cpdef
train
(
self
,
list
patterns
,
Py_ssize_t
iterations
=*
,
double
N
=*
,
M
=*
)
Demos/benchmarks/bpnn3.py
View file @
508ee78a
...
@@ -15,8 +15,8 @@ import util
...
@@ -15,8 +15,8 @@ import util
random
.
seed
(
0
)
random
.
seed
(
0
)
# calculate a random number where: a <= rand < b
# calculate a random number where: a <= rand < b
def
rand
(
a
,
b
):
def
rand
(
a
,
b
,
random
=
random
.
random
):
return
(
b
-
a
)
*
random
.
random
()
+
a
return
(
b
-
a
)
*
random
()
+
a
# Make a matrix (we could use NumPy to speed this up)
# Make a matrix (we could use NumPy to speed this up)
def
makeMatrix
(
I
,
J
,
fill
=
0.0
):
def
makeMatrix
(
I
,
J
,
fill
=
0.0
):
...
...
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