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--[[ | |
LSTM cell. Modified from | |
https://github.com/oxford-cs-ml-2015/practical6/blob/master/LSTM.lua | |
--]] | |
local LSTM = {} | |
-- Creates one timestep of one LSTM | |
function LSTM.lstm(opt) | |
local x = nn.Identity()() |
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def adam(loss, all_params, learning_rate=0.001, b1=0.9, b2=0.999, e=1e-8, | |
gamma=1-1e-8): | |
""" | |
ADAM update rules | |
Default values are taken from [Kingma2014] | |
References: | |
[Kingma2014] Kingma, Diederik, and Jimmy Ba. | |
"Adam: A Method for Stochastic Optimization." | |
arXiv preprint arXiv:1412.6980 (2014). |
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def adam(loss, all_params, learning_rate=0.001, b1=0.9, b2=0.999, e=1e-8, | |
gamma=1-1e-8): | |
""" | |
ADAM update rules | |
Default values are taken from [Kingma2014] | |
References: | |
[Kingma2014] Kingma, Diederik, and Jimmy Ba. | |
"Adam: A Method for Stochastic Optimization." | |
arXiv preprint arXiv:1412.6980 (2014). |
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def adam(loss, all_params, learning_rate=0.0002, beta1=0.1, beta2=0.001, | |
epsilon=1e-8, gamma=1-1e-7): | |
""" | |
ADAM update rules | |
Default values are taken from [Kingma2014] | |
References: | |
[Kingma2014] Kingma, Diederik, and Jimmy Ba. | |
"Adam: A Method for Stochastic Optimization." | |
arXiv preprint arXiv:1412.6980 (2014). |
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import numpy as np | |
import theano | |
import theano.tensor as T | |
from theano import ifelse | |
from .. import init | |
from .. import nonlinearities | |
from .base import Layer | |
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from __future__ import print_function | |
import gzip | |
import itertools | |
import pickle | |
import os | |
import sys | |
PY2 = sys.version_info[0] == 2 |
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from __future__ import print_function | |
import gzip | |
import itertools | |
import pickle | |
import os | |
import sys | |
PY2 = sys.version_info[0] == 2 |
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Function profiling | |
================== | |
Message: experiment.py:196 | |
Time in 1 calls to Function.__call__: 7.953641e+00s | |
Time in Function.fn.__call__: 7.953413e+00s (99.997%) | |
Time in thunks: 7.929524e+00s (99.697%) | |
Total compile time: 1.766550e+02s | |
Number of Apply nodes: 1214 | |
Theano Optimizer time: 1.688680e+02s |
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Function profiling | |
================== | |
Message: experiment.py:196 | |
Time in 12 calls to Function.__call__: 8.222084e+01s | |
Time in Function.fn.__call__: 8.221798e+01s (99.997%) | |
Time in thunks: 8.196062e+01s (99.684%) | |
Total compile time: 2.509097e+02s | |
Number of Apply nodes: 1214 | |
Theano Optimizer time: 1.675486e+02s | |
Theano validate time: 1.319681e+00s |
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class BidirectionalLSTMLayer(Layer): | |
''' | |
A long short-term memory (LSTM) layer. Includes "peephole connections" and | |
forget gate. Based on the definition in [#graves2014generating]_, which is | |
the current common definition. Gate names are taken from [#zaremba2014], | |
figure 1. | |
:references: | |
.. [#graves2014generating] Alex Graves, "Generating Sequences With | |
Recurrent Neural Networks". |