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testgroup
pytensor
Commits
2312349b
提交
2312349b
authored
6月 24, 2014
作者:
Roy Xue
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
fix bugs
1. move count_minimum_peak in profile_memory 2. use nodes_mem in fct
上级
ff41346c
隐藏空白字符变更
内嵌
并排
正在显示
1 个修改的文件
包含
67 行增加
和
77 行删除
+67
-77
profiling.py
theano/compile/profiling.py
+67
-77
没有找到文件。
theano/compile/profiling.py
浏览文件 @
2312349b
...
...
@@ -690,6 +690,72 @@ class ProfileStats(object):
return
[
node_memory_size
,
running_memory_size
,
running_max_memory_size
,
node_memory_saved_by_inplace
,
node_memory_saved_by_view
]
def
count_minimum_peak
(
node_list
,
fgraph
,
nodes_mem
):
mem_list
=
[]
current_mem
=
0
order_index
=
0
min_mem
=
0
order
=
[]
compute_map
=
fgraph
.
profile
.
compute_map
# compute_map use to check if a node is valid
def
check_node_state
(
node
):
"""
check if an Apply node is valid(has inputs but no outputs).
:param node: apply node
"""
inputs
=
node
.
inputs
outputs
=
node
.
outputs
deps
=
inputs
+
node
.
destroy_dependencies
computed_ins
=
all
(
compute_map
[
v
][
0
]
for
v
in
deps
)
computed_outs
=
all
(
compute_map
[
v
][
0
]
for
v
in
outputs
)
# check if there could be a compute_map
if
computed_ins
and
not
computed_outs
:
return
True
else
:
return
False
def
min_memory_generator
(
node_list
,
b
=
False
):
global
mem_list
,
current
,
order_index
,
min_mem
'''
enumerate all valid order( node with inputs in its compute_map)
compute the peak of all order and keep the order with the minimum peak.
return an order with minimum memory usage
:param node_list: a list of apply nodes
'''
for
i
in
range
(
len
(
node_list
)):
v
=
node_list
[
i
:
i
+
1
]
if
check_state
(
v
[
0
]):
if
len
(
node_list
)
==
1
:
yield
v
current_mem
+=
nodes_mem
[
v
[
0
]]
b
=
True
else
:
b
=
False
rest
=
node_list
[
:
i
]
+
node_list
[
i
+
1
:
]
for
p
in
count_min_memory_peak
(
rest
):
yield
v
+
p
current_mem
+=
nodes_mem
[
v
[
0
]]
if
b
:
mem_list
.
append
(
current_mem
)
if
not
min_mem
:
min_mem
=
current_mem
if
current_mem
<
min_mem
:
min_mem
=
current_mem
order_index
=
mem_list
.
index
(
current_mem
)
current_mem
=
0
gen
=
min_memory_generator
(
node_list
)
for
i
in
range
(
0
,
(
order_index
+
1
)):
order
=
gen
.
next
()
return
order
,
min_mem
for
fgraph
,
nodes_mem
in
fct_memory
.
iteritems
():
# Sum of the size of all variables in bytes
sum_size
=
sum
([
sum
([
v
for
v
in
val
if
not
isinstance
(
v
,
str
)])
...
...
@@ -740,7 +806,7 @@ class ProfileStats(object):
node_list
=
fgraph
.
nodes
_
,
minimum_peak
=
count_minimum_peak
(
node_list
,
fgraph
)
_
,
minimum_peak
=
count_minimum_peak
(
node_list
,
fgraph
,
nodes_mem
)
# for the best order, we dont use it now
max_minimum_peak
=
max
(
max_minimum_peak
,
minimum_peak
)
...
...
@@ -866,83 +932,7 @@ class ProfileStats(object):
self
.
optimizer_profile
[
0
]
.
print_profile
(
file
,
self
.
optimizer_profile
[
1
])
def
count_minimum_peak
(
node_list
,
fgraph
):
mem_list
=
[]
current_mem
=
0
order_index
=
0
min_mem
=
0
order
=
[]
compute_map
=
fgraph
.
profile
.
compute_map
# compute_map use to check if a node is valid
node_mem
=
{}
for
node
in
self
.
apply_callcount
.
keys
():
sum_dense
=
0
for
out
in
node
.
outputs
:
sh
=
self
.
variable_shape
[
out
]
if
hasattr
(
out
.
type
,
'get_size'
):
v
=
out
.
type
.
get_size
(
sh
)
sum_dense
+=
v
node_mem
[
node
]
=
sum_dense
# node_mem use to calculate the node memory usage
def
check_node_state
(
node
):
"""
check if an Apply node is valid(has inputs but no outputs).
:param node: apply node
"""
inputs
=
node
.
inputs
outputs
=
node
.
outputs
deps
=
inputs
+
node
.
destroy_dependencies
computed_ins
=
all
(
compute_map
[
v
][
0
]
for
v
in
deps
)
computed_outs
=
all
(
compute_map
[
v
][
0
]
for
v
in
outputs
)
# check if there could be a compute_map
if
computed_ins
and
not
computed_outs
:
return
True
else
:
return
False
def
min_memory_generator
(
node_list
,
b
=
False
):
global
mem_list
,
current
,
order_index
,
min_mem
'''
enumerate all valid order( node with inputs in its compute_map)
compute the peak of all order and keep the order with the minimum peak.
return an order with minimum memory usage
:param node_list: a list of apply nodes
'''
for
i
in
range
(
len
(
node_list
)):
v
=
node_list
[
i
:
i
+
1
]
if
check_state
(
v
[
0
]):
if
len
(
node_list
)
==
1
:
yield
v
current_mem
+=
node_mem
[
v
[
0
]]
b
=
True
else
:
b
=
False
rest
=
node_list
[
:
i
]
+
node_list
[
i
+
1
:
]
for
p
in
count_min_memory_peak
(
rest
):
yield
v
+
p
current_mem
+=
node_mem
[
v
[
0
]]
if
b
:
mem_list
.
append
(
current_mem
)
if
not
min_mem
:
min_mem
=
current_mem
if
current_mem
<
min_mem
:
min_mem
=
current_mem
order_index
=
mem_list
.
index
(
current_mem
)
current_mem
=
0
gen
=
min_memory_generator
(
node_list
)
for
i
in
range
(
0
,
(
order_index
+
1
)):
order
=
gen
.
next
()
return
order
,
min_mem
if
0
:
# old code still to be ported from ProfileMode
...
...
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