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testgroup
pytensor
Commits
b70504c9
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b70504c9
authored
8月 13, 2015
作者:
Iban Harlouchet
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numpydoc for theano/gof/optdb.py
上级
46d46d76
隐藏空白字符变更
内嵌
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1 个修改的文件
包含
52 行增加
和
28 行删除
+52
-28
optdb.py
theano/gof/optdb.py
+52
-28
没有找到文件。
theano/gof/optdb.py
浏览文件 @
b70504c9
...
...
@@ -36,11 +36,17 @@ class DB(object):
def
register
(
self
,
name
,
obj
,
*
tags
,
**
kwargs
):
"""
:param name: name of the optimizer.
:param obj: the optimizer to register.
:param tags: tag name that allow to select the optimizer.
:param kwargs: If non empty, should contain
only use_db_name_as_tag=False.
Parameters
----------
name : str
Name of the optimizer.
obj
The optimizer to register.
tags
Tag name that allow to select the optimizer.
kwargs
If non empty, should contain only use_db_name_as_tag=False.
By default, all optimizations registered in EquilibriumDB
are selected when the EquilibriumDB name is used as a
tag. We do not want this behavior for some optimizer like
...
...
@@ -156,14 +162,18 @@ multiple time in a DB. Tryed to register "%s" again under the new name "%s".
class
Query
(
object
):
"""
Parameters
----------
position_cutoff : float
Used by SequenceDB to keep only optimizer that are positioned before
the cut_off point.
"""
def
__init__
(
self
,
include
,
require
=
None
,
exclude
=
None
,
subquery
=
None
,
position_cutoff
=
None
):
"""
:type position_cutoff: float
:param position_cutoff: Used by SequenceDB to keep only optimizer that
are positioned before the cut_off point.
"""
self
.
include
=
OrderedSet
(
include
)
self
.
require
=
require
or
OrderedSet
()
self
.
exclude
=
exclude
or
OrderedSet
()
...
...
@@ -206,22 +216,26 @@ class Query(object):
class
EquilibriumDB
(
DB
):
"""A set of potential optimizations which should be applied in an
arbitrary order until equilibrium is reached.
"""
A set of potential optimizations which should be applied in an arbitrary
order until equilibrium is reached.
Canonicalize, Stabilize, and Specialize are all equilibrium optimizations.
:param ignore_newtrees: If False, we will apply local opt on new
node introduced during local optimization application. This
could result in less fgraph iterations, but this don't mean it
will be faster globally.
Parameters
----------
ignore_newtrees
If False, we will apply local opt on new node introduced during local
optimization application. This could result in less fgraph iterations,
but this doesn't mean it will be faster globally.
.. note::
We can put LocalOptimizer and Optimizer as EquilibriumOptimizer
suppor both.
Notes
-----
We can put LocalOptimizer and Optimizer as EquilibriumOptimizer
suppor both.
"""
def
__init__
(
self
,
ignore_newtrees
=
True
):
super
(
EquilibriumDB
,
self
)
.
__init__
()
self
.
ignore_newtrees
=
ignore_newtrees
...
...
@@ -253,7 +267,8 @@ class EquilibriumDB(DB):
class
SequenceDB
(
DB
):
"""A sequence of potential optimizations.
"""
A sequence of potential optimizations.
Retrieve a sequence of optimizations (a SeqOptimizer) by calling query().
...
...
@@ -265,6 +280,7 @@ class SequenceDB(DB):
other tags) fast_run and fast_compile optimizers are drawn is a SequenceDB.
"""
seq_opt
=
opt
.
SeqOptimizer
def
__init__
(
self
,
failure_callback
=
opt
.
SeqOptimizer
.
warn
):
...
...
@@ -278,9 +294,12 @@ class SequenceDB(DB):
def
query
(
self
,
*
tags
,
**
kwtags
):
"""
:type position_cutoff: float or int
:param position_cutoff: only optimizations with position less than
the cutoff are returned.
Parameters
----------
position_cutoff : float or int
Only optimizations with position less than the cutoff are returned.
"""
opts
=
super
(
SequenceDB
,
self
)
.
query
(
*
tags
,
**
kwtags
)
...
...
@@ -326,11 +345,14 @@ class SequenceDB(DB):
class
LocalGroupDB
(
SequenceDB
):
"""This generate a local optimizer of type LocalOptGroup instead
"""
Generate a local optimizer of type LocalOptGroup instead
of a global optimizer.
It support the tracks, to only get applied to some Op.
It supports the tracks, to only get applied to some Op.
"""
seq_opt
=
opt
.
LocalOptGroup
def
__init__
(
self
,
failure_callback
=
opt
.
SeqOptimizer
.
warn
):
...
...
@@ -342,9 +364,11 @@ class ProxyDB(DB):
"""
Wrap an existing proxy.
This is needed as we can't register the same DB mutiple time in
different position in a SequentialDB
This is needed as we can't register the same DB mutiple times in
different positions in a SequentialDB.
"""
def
__init__
(
self
,
db
):
assert
isinstance
(
db
,
DB
),
""
self
.
db
=
db
...
...
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