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CaffeOnACL/python/caffe/test/test_solver.py at master · dlyshare/CaffeOnACL · GitHub
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CaffeOnACL
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python
/
caffe
/
test
/
test_solver.py
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CaffeOnACL
/
python
/
caffe
/
test
/
test_solver.py
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62 lines (54 loc) · 2.11 KB
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import
unittest
import
tempfile
import
os
import
numpy
as
np
import
six
import
caffe
from
test_net
import
simple_net_file
class
TestSolver
(
unittest
.
TestCase
):
def
setUp
(
self
):
self
.
num_output
=
13
net_f
=
simple_net_file
(
self
.
num_output
)
f
=
tempfile
.
NamedTemporaryFile
(
mode
=
'w+'
,
delete
=
False
)
f
.
write
(
"""net: '"""
+
net_f
+
"""'
test_iter: 10 test_interval: 10 base_lr: 0.01 momentum: 0.9
weight_decay: 0.0005 lr_policy: 'inv' gamma: 0.0001 power: 0.75
display: 100 max_iter: 100 snapshot_after_train: false
snapshot_prefix: "model" """
)
f
.
close
()
self
.
solver
=
caffe
.
SGDSolver
(
f
.
name
)
# also make sure get_solver runs
caffe
.
get_solver
(
f
.
name
)
caffe
.
set_mode_cpu
()
# fill in valid labels
self
.
solver
.
net
.
blobs
[
'label'
].
data
[...]
=
\
np
.
random
.
randint
(
self
.
num_output
,
size
=
self
.
solver
.
net
.
blobs
[
'label'
].
data
.
shape
)
self
.
solver
.
test_nets
[
0
].
blobs
[
'label'
].
data
[...]
=
\
np
.
random
.
randint
(
self
.
num_output
,
size
=
self
.
solver
.
test_nets
[
0
].
blobs
[
'label'
].
data
.
shape
)
os
.
remove
(
f
.
name
)
os
.
remove
(
net_f
)
def
test_solve
(
self
):
self
.
assertEqual
(
self
.
solver
.
iter
,
0
)
self
.
solver
.
solve
()
self
.
assertEqual
(
self
.
solver
.
iter
,
100
)
def
test_net_memory
(
self
):
"""Check that nets survive after the solver is destroyed."""
nets
=
[
self
.
solver
.
net
]
+
list
(
self
.
solver
.
test_nets
)
self
.
assertEqual
(
len
(
nets
),
2
)
del
self
.
solver
total
=
0
for
net
in
nets
:
for
ps
in
six
.
itervalues
(
net
.
params
):
for
p
in
ps
:
total
+=
p
.
data
.
sum
()
+
p
.
diff
.
sum
()
for
bl
in
six
.
itervalues
(
net
.
blobs
):
total
+=
bl
.
data
.
sum
()
+
bl
.
diff
.
sum
()
def
test_snapshot
(
self
):
self
.
solver
.
snapshot
()
# Check that these files exist and then remove them
files
=
[
'model_iter_0.caffemodel'
,
'model_iter_0.solverstate'
]
for
fn
in
files
:
assert
os
.
path
.
isfile
(
fn
)
os
.
remove
(
fn
)
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