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testgroup
pytensor
Commits
c0b57d75
提交
c0b57d75
authored
3月 15, 2011
作者:
Pascal Lamblin
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Indentation.
上级
d8cee62e
隐藏空白字符变更
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正在显示
1 个修改的文件
包含
11 行增加
和
12 行删除
+11
-12
sharedvalue.py
theano/compile/sharedvalue.py
+11
-12
没有找到文件。
theano/compile/sharedvalue.py
浏览文件 @
c0b57d75
...
...
@@ -22,8 +22,8 @@ def warning(*msg): _logger.warning(' '.join(str(m) for m in msg))
def
error
(
*
msg
):
_logger
.
error
(
' '
.
join
(
str
(
m
)
for
m
in
msg
))
AddConfigVar
(
'shared.value_borrows'
,
(
"False: shared variables 'value' property is guaranteed to not"
" alias theano-managed memory. True: no guarantee, but faster."
(
"False: shared variables 'value' property is guaranteed to not"
" alias theano-managed memory. True: no guarantee, but faster."
" For more control consider using shared.get_value() instead."
),
BoolParam
(
True
))
...
...
@@ -86,7 +86,7 @@ class SharedVariable(Variable):
def
get_value
(
self
,
borrow
=
False
,
return_internal_type
=
False
):
"""Get the non-symbolic value associated with this SharedVariable.
:param borrow:
:param borrow:
True to permit returning of an object aliased to internal memory.
:param return_internal_type:
True to permit the returning of an arbitrary type object used internally to store
...
...
@@ -95,7 +95,7 @@ class SharedVariable(Variable):
Only with borrow=False and return_internal_type=True does this function guarantee that
you actually get the internal object. But in that case, you may get different return
types when using different compute devices.
"""
if
borrow
:
return
self
.
container
.
value
...
...
@@ -105,10 +105,10 @@ class SharedVariable(Variable):
def
set_value
(
self
,
new_value
,
borrow
=
False
):
"""Set the non-symbolic value associated with this SharedVariable.
:param borrow:
:param borrow:
True to use the new_value directly, potentially creating problems
related to aliased memory.
Changes to this value will be visible to all functions using this SharedVariable.
"""
if
borrow
:
...
...
@@ -119,7 +119,7 @@ class SharedVariable(Variable):
def
clone
(
self
):
cp
=
self
.
__class__
(
name
=
self
.
name
,
type
=
self
.
type
,
type
=
self
.
type
,
value
=
None
,
strict
=
None
,
container
=
self
.
container
)
...
...
@@ -135,8 +135,8 @@ class SharedVariable(Variable):
# Semantically things are clearer when using non-borrow versions. That should be the
# default. The default support transparently (if slowly) when the 'raw' value is in a
# different memory space (e.g. GPU or other machine).
value
=
property
(
_value_get
,
_value_set
,
doc
=
(
"shortcut for self.get_value() and self.set_value()."
value
=
property
(
_value_get
,
_value_set
,
doc
=
(
"shortcut for self.get_value() and self.set_value()."
"The `borrow` argument to these methods is read from "
"`theano.config.shared.value_borrows`"
))
...
...
@@ -174,10 +174,10 @@ def shared(value, name=None, strict=False, allow_downcast=None, **kwargs):
This function iterates over constructor functions (see `shared_constructor`) to find a
suitable SharedVariable subclass.
:note:
:note:
By passing kwargs, you effectively limit the set of potential constructors to those that
can accept those kwargs.
"""
for
ctor
in
reversed
(
shared
.
constructors
):
try
:
...
...
@@ -198,4 +198,3 @@ def generic_constructor(value, name=None, strict=False, allow_downcast=None):
"""SharedVariable Constructor"""
return
SharedVariable
(
type
=
generic
,
value
=
value
,
name
=
name
,
strict
=
strict
,
allow_downcast
=
allow_downcast
)
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