def get_fixed_var_descr(self, model, X, Y):
"""
.. todo::
WRITEME
"""
assert Y is not None
batch_size = model.batch_size
drop_mask_X = sharedX(model.get_input_space().get_origin_batch(batch_size))
drop_mask_X.name = 'drop_mask'
X_space = model.get_input_space()
updates = OrderedDict()
rval = FixedVarDescr()
inputs=[X, Y]
if not self.supervised:
update_X = self.mask_gen(X, X_space = X_space)
else:
drop_mask_Y = sharedX(np.ones(batch_size,))
drop_mask_Y.name = 'drop_mask_Y'
update_X, update_Y = self.mask_gen(X, Y, X_space)
updates[drop_mask_Y] = update_Y
rval.fixed_vars['drop_mask_Y'] = drop_mask_Y
if self.mask_gen.sync_channels:
n = update_X.ndim
assert n == drop_mask_X.ndim - 1
update_X.name = 'raw_update_X'
zeros_like_X = T.zeros_like(X)
zeros_like_X.name = 'zeros_like_X'
update_X = zeros_like_X + update_X.dimshuffle(0,1,2,'x')
update_X.name = 'update_X'
updates[drop_mask_X] = update_X
rval.fixed_vars['drop_mask'] = drop_mask_X
if hasattr(model.inference_procedure, 'V_dropout'):
include_prob = model.inference_procedure.include_prob
include_prob_V = model.inference_procedure.include_prob_V
include_prob_Y = model.inference_procedure.include_prob_Y
theano_rng = MRG_RandomStreams(2012+11+20)
for elem in flatten([model.inference_procedure.V_dropout]):
updates[elem] = theano_rng.binomial(p=include_prob_V, size=elem.shape, dtype=elem.dtype, n=1) / include_prob_V
if "Softmax" in str(type(model.hidden_layers[-1])):
hid = model.inference_procedure.H_dropout[:-1]
y = model.inference_procedure.H_dropout[-1]
updates[y] = theano_rng.binomial(p=include_prob_Y, size=y.shape, dtype=y.dtype, n=1) / include_prob_Y
else:
hid = model.inference_procedure.H_dropout
for elem in flatten(hid):
updates[elem] = theano_rng.binomial(p=include_prob, size=elem.shape, dtype=elem.dtype, n=1) / include_prob
rval.on_load_batch = [utils.function(inputs, updates=updates)]
return rval
def get_fixed_var_descr(self, model, X, Y=None):
rval = FixedVarDescr()
rval.fixed_vars = {'sup_aux_var': sup_counter}
rval.on_load_batch = [
function([X, Y], updates=[(sup_counter, sup_counter + 1)])
]
return rval
def get_fixed_var_descr(self, model, X, Y):
"""
.. todo::
WRITEME
"""
assert Y is not None
batch_size = model.batch_size
drop_mask_X = sharedX(model.get_input_space().get_origin_batch(batch_size))
drop_mask_X.name = 'drop_mask'
X_space = model.get_input_space()
updates = OrderedDict()
rval = FixedVarDescr()
inputs=[X, Y]
if not self.supervised:
update_X = self.mask_gen(X, X_space = X_space)
else:
drop_mask_Y = sharedX(np.ones(batch_size,))
drop_mask_Y.name = 'drop_mask_Y'
update_X, update_Y = self.mask_gen(X, Y, X_space)
updates[drop_mask_Y] = update_Y
rval.fixed_vars['drop_mask_Y'] = drop_mask_Y
if self.mask_gen.sync_channels:
n = update_X.ndim
assert n == drop_mask_X.ndim - 1
update_X.name = 'raw_update_X'
zeros_like_X = T.zeros_like(X)
zeros_like_X.name = 'zeros_like_X'
update_X = zeros_like_X + update_X.dimshuffle(0,1,2,'x')
update_X.name = 'update_X'
updates[drop_mask_X] = update_X
rval.fixed_vars['drop_mask'] = drop_mask_X
if hasattr(model.inference_procedure, 'V_dropout'):
include_prob = model.inference_procedure.include_prob
include_prob_V = model.inference_procedure.include_prob_V
include_prob_Y = model.inference_procedure.include_prob_Y
theano_rng = MRG_RandomStreams(2012+11+20)
for elem in flatten([model.inference_procedure.V_dropout]):
updates[elem] = theano_rng.binomial(p=include_prob_V, size=elem.shape, dtype=elem.dtype, n=1) / include_prob_V
if "Softmax" in str(type(model.hidden_layers[-1])):
hid = model.inference_procedure.H_dropout[:-1]
y = model.inference_procedure.H_dropout[-1]
updates[y] = theano_rng.binomial(p=include_prob_Y, size=y.shape, dtype=y.dtype, n=1) / include_prob_Y
else:
hid = model.inference_procedure.H_dropout
for elem in flatten(hid):
updates[elem] = theano_rng.binomial(p=include_prob, size=elem.shape, dtype=elem.dtype, n=1) / include_prob
rval.on_load_batch = [utils.function(inputs, updates=updates)]
return rval
def get_fixed_var_descr(self, model, X, Y, **kwargs):
rval = FixedVarDescr()
rval.fixed_vars = {'unsup_aux_var': unsup_counter}
Y=T.matrix()
theano_func = function([X, Y], updates=[(unsup_counter, unsup_counter + 1)])
rval.on_load_batch = [theano_func]
return rval
def get_fixed_var_descr(self, model, X, Y, **kwargs):
rval = FixedVarDescr()
rval.fixed_vars = {'unsup_aux_var': unsup_counter}
Y = T.matrix()
theano_func = function([X, Y],
updates=[(unsup_counter, unsup_counter + 1)
])
rval.on_load_batch = [theano_func]
return rval
def get_fixed_var_descr(self, model, data):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'sup_aux_var': sup_counter}
theano_func = function([], updates=[(sup_counter,
sup_counter + 1)])
def on_load(data):
theano_func()
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'sup_aux_var': sup_counter}
theano_func = function([],
updates=[(sup_counter, sup_counter + 1)])
def on_load(data):
theano_func()
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data, **kwargs):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'unsup_aux_var': unsup_counter}
# The input to function should be a flat, non-redundent tuple
mapping = DataSpecsMapping(data_specs)
data_tuple = mapping.flatten(data, return_tuple=True)
theano_func = function([],
updates=[(unsup_counter, unsup_counter + 1)])
def on_load(batch, mapping=mapping, theano_func=theano_func):
return theano_func()
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data, **kwargs):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'unsup_aux_var': unsup_counter}
# The input to function should be a flat, non-redundent tuple
mapping = DataSpecsMapping(data_specs)
data_tuple = mapping.flatten(data, return_tuple=True)
theano_func = function([],
updates=[(unsup_counter, unsup_counter + 1)
])
def on_load(batch, mapping=mapping, theano_func=theano_func):
return theano_func()
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'sup_aux_var': sup_counter}
rval.data_specs = data_specs
# data has to be flattened into a tuple before being passed
# to `function`.
mapping = DataSpecsMapping(data_specs)
flat_data = mapping.flatten(data, return_tuple=True)
theano_func = function(flat_data,
updates=[(sup_counter, sup_counter + 1)])
# the on_load_batch function will take numerical data formatted
# as rval.data_specs, so we have to flatten it inside the
# returned function too.
# Using default argument binds the variables used in the lambda
# function to the value they have when the lambda is defined.
on_load = (lambda batch, mapping=mapping, theano_func=theano_func:
theano_func(*mapping.flatten(batch, return_tuple=True)))
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'sup_aux_var': sup_counter}
rval.data_specs = data_specs
# data has to be flattened into a tuple before being passed
# to `function`.
mapping = DataSpecsMapping(data_specs)
flat_data = mapping.flatten(data, return_tuple=True)
theano_func = function(flat_data,
updates=[(sup_counter, sup_counter + 1)])
# the on_load_batch function will take numerical data formatted
# as rval.data_specs, so we have to flatten it inside the
# returned function too.
# Using default argument binds the variables used in the lambda
# function to the value they have when the lambda is defined.
on_load = (lambda batch, mapping=mapping, theano_func=theano_func:
theano_func(*mapping.flatten(batch, return_tuple=True)))
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data, **kwargs):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'unsup_aux_var': unsup_counter}
rval.data_specs = data_specs
# The input to function should be a flat, non-redundent tuple
mapping = DataSpecsMapping(data_specs)
data_tuple = mapping.flatten(data, return_tuple=True)
theano_func = function(data_tuple,
updates=[(unsup_counter, unsup_counter + 1)])
# the on_load_batch function will take numerical data formatted
# as rval.data_specs, so we have to flatten it inside the
# returned function too.
# Using default argument binds the variables used in the lambda
# function to the value they have when the lambda is defined.
on_load = (lambda batch, mapping=mapping, theano_func=theano_func:
theano_func(*mapping.flatten(batch, return_tuple=True)))
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, data, **kwargs):
data_specs = self.get_data_specs(model)
data_specs[0].validate(data)
rval = FixedVarDescr()
rval.fixed_vars = {'unsup_aux_var': unsup_counter}
rval.data_specs = data_specs
# The input to function should be a flat, non-redundent tuple
mapping = DataSpecsMapping(data_specs)
data_tuple = mapping.flatten(data, return_tuple=True)
theano_func = function(data_tuple,
updates=[(unsup_counter, unsup_counter + 1)
])
# the on_load_batch function will take numerical data formatted
# as rval.data_specs, so we have to flatten it inside the
# returned function too.
# Using default argument binds the variables used in the lambda
# function to the value they have when the lambda is defined.
on_load = (lambda batch, mapping=mapping, theano_func=theano_func:
theano_func(*mapping.flatten(batch, return_tuple=True)))
rval.on_load_batch = [on_load]
return rval
def get_fixed_var_descr(self, model, X, Y=None):
rval = FixedVarDescr()
rval.fixed_vars = {'sup_aux_var': sup_counter}
rval.on_load_batch = [ function([X, Y], updates=[(sup_counter, sup_counter+1)])]
return rval
def get_fixed_var_descr(self, model, data):
"""
.. todo::
WRITEME
"""
X, Y = data
assert Y is not None
batch_size = model.batch_size
drop_mask_X = sharedX(model.get_input_space().get_origin_batch(batch_size))
drop_mask_X.name = "drop_mask"
X_space = model.get_input_space()
updates = OrderedDict()
rval = FixedVarDescr()
inputs = [X, Y]
if not self.supervised:
update_X = self.mask_gen(X, X_space=X_space)
else:
drop_mask_Y = sharedX(np.ones(batch_size))
drop_mask_Y.name = "drop_mask_Y"
update_X, update_Y = self.mask_gen(X, Y, X_space)
updates[drop_mask_Y] = update_Y
rval.fixed_vars["drop_mask_Y"] = drop_mask_Y
if self.mask_gen.sync_channels:
n = update_X.ndim
assert n == drop_mask_X.ndim - 1
update_X.name = "raw_update_X"
zeros_like_X = T.zeros_like(X)
zeros_like_X.name = "zeros_like_X"
update_X = zeros_like_X + update_X.dimshuffle(0, 1, 2, "x")
update_X.name = "update_X"
updates[drop_mask_X] = update_X
rval.fixed_vars["drop_mask"] = drop_mask_X
if hasattr(model.inference_procedure, "V_dropout"):
include_prob = model.inference_procedure.include_prob
include_prob_V = model.inference_procedure.include_prob_V
include_prob_Y = model.inference_procedure.include_prob_Y
theano_rng = make_theano_rng(None, 2012 + 10 + 20, which_method="binomial")
for elem in flatten([model.inference_procedure.V_dropout]):
updates[elem] = (
theano_rng.binomial(p=include_prob_V, size=elem.shape, dtype=elem.dtype, n=1) / include_prob_V
)
if "Softmax" in str(type(model.hidden_layers[-1])):
hid = model.inference_procedure.H_dropout[:-1]
y = model.inference_procedure.H_dropout[-1]
updates[y] = theano_rng.binomial(p=include_prob_Y, size=y.shape, dtype=y.dtype, n=1) / include_prob_Y
else:
hid = model.inference_procedure.H_dropout
for elem in flatten(hid):
updates[elem] = (
theano_rng.binomial(p=include_prob, size=elem.shape, dtype=elem.dtype, n=1) / include_prob
)
rval.on_load_batch = [utils.function(inputs, updates=updates)]
return rval