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Fixes for float16 problems in the DLT #172

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Merged
lamblin merged 5 commits into from
Oct 31, 2016
Merged

Fixes for float16 problems in the DLT #172

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93c9a36
Use MRG_RandomStreams instead for shared_randomstreams for GPU compat.
abergeron Oct 3, 2016
d403591
Compute mean in higher precision to avoid overflow.
abergeron Oct 20, 2016
5a13d98
Fix import of sandbox.
abergeron Oct 20, 2016
93837e0
Fix printout in lstm.py.
abergeron Oct 24, 2016
780cecc
Adjust mean dtypes for scores in SdA too.
abergeron Oct 26, 2016
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2 changes: 1 addition & 1 deletion code/SdA.py
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Expand Up @@ -40,7 +40,7 @@

import theano
import theano.tensor as T
from theano.tensor.shared_randomstreams import RandomStreams
from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams

from logistic_sgd import LogisticRegression, load_data
from mlp import HiddenLayer
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2 changes: 1 addition & 1 deletion code/dA.py
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Expand Up @@ -40,7 +40,7 @@

import theano
import theano.tensor as T
from theano.tensor.shared_randomstreams import RandomStreams
from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams

from logistic_sgd import load_data
from utils import tile_raster_images
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2 changes: 1 addition & 1 deletion code/hmc/hmc.py
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Expand Up @@ -358,7 +358,7 @@ def new_from_shared_positions(
stepsize = sharedX(initial_stepsize, 'hmc_stepsize')
avg_acceptance_rate = sharedX(target_acceptance_rate,
'avg_acceptance_rate')
s_rng = TT.shared_randomstreams.RandomStreams(seed)
s_rng = theano.sandbox.rng_mrg.MRG_RandomStreams(seed)
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@lamblin lamblin Oct 3, 2016

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AttributeError: 'module' object has no attribute 'sandbox'


# define graph for an `n_steps` HMC simulation
accept, final_pos = hmc_move(
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2 changes: 1 addition & 1 deletion code/rbm.py
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Expand Up @@ -20,7 +20,7 @@
import theano.tensor as T
import os

from theano.tensor.shared_randomstreams import RandomStreams
from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams

from utils import tile_raster_images
from logistic_sgd import load_data
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2 changes: 1 addition & 1 deletion code/rnnrbm.py
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Expand Up @@ -19,7 +19,7 @@
from midi.utils import midiread, midiwrite
import theano
import theano.tensor as T
from theano.tensor.shared_randomstreams import RandomStreams
from theano.sandbox.rng_mrg import MRG_RandomStreams as RandomStreams

#Don't use a python long as this don't work on 32 bits computers.
numpy.random.seed(0xbeef)
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