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pickling and caching

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This commit is contained in:
Max Zwiessele 2014-03-31 12:45:09 +01:00
parent 60a071f18f
commit f3b74fa85f
28 changed files with 481 additions and 686 deletions
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31
GPy/core/parameterization/parameterized.py
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@ -101,34 +101,13 @@ class Parameterized(Parameterizable, Pickleable):
return G
return node
def _getstate(self):
"""
Get the current state of the class,
here just all the indices, rest can get recomputed
For inheriting from Parameterized:
Allways append the state of the inherited object
and call down to the inherited object in _setstate!!
"""
return []
def _setstate(self, state):
self.parameters_changed()
#===========================================================================
# Override copy to handle programmatically added observers
#===========================================================================
def copy(self):
c = super(Parameterized, self).copy()
c.add_observer(c, c._parameters_changed_notification, -100)
return c
#===========================================================================
# Gradient control
#===========================================================================
def _transform_gradients(self, g):
if self.has_parent():
return g
[numpy.put(g, i, g[i] * c.gradfactor(self._param_array_[i])) for c, i in self.constraints.iteritems() if c != __fixed__]
[numpy.put(g, i, g[i] * c.gradfactor(self.param_array[i])) for c, i in self.constraints.iteritems() if c != __fixed__]
if self._has_fixes(): return g[self._fixes_]
return g
@ -160,7 +139,7 @@ class Parameterized(Parameterizable, Pickleable):
this is not in the global view of things!
"""
return numpy.r_[:self.size]
#===========================================================================
# Convenience for fixed, tied checking of param:
#===========================================================================
@ -175,7 +154,7 @@ class Parameterized(Parameterizable, Pickleable):
# you can retrieve the original param through this method, by passing
# the copy here
return self._parameters_[param._parent_index_]
#===========================================================================
# Get/set parameters:
#===========================================================================
@ -192,7 +171,7 @@ class Parameterized(Parameterizable, Pickleable):
def __getitem__(self, name, paramlist=None):
if isinstance(name, (int, slice, tuple, np.ndarray)):
return self._param_array_[name]
return self.param_array[name]
else:
if paramlist is None:
paramlist = self.grep_param_names(name)
@ -208,7 +187,7 @@ class Parameterized(Parameterizable, Pickleable):
def __setitem__(self, name, value, paramlist=None):
if isinstance(name, (slice, tuple, np.ndarray)):
try:
self._param_array_[name] = value
self.param_array[name] = value
except:
raise ValueError, "Setting by slice or index only allowed with array-like"
self._trigger_params_changed()