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Update/speed up to the lstm code #71

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Merged
merged 7 commits into from
Feb 3, 2015
Merged

Update/speed up to the lstm code #71

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9018392
pep8
nouiz Jan 14, 2015
906a30e
Small comment update
nouiz Jan 16, 2015
26914e4
Add a parameter to make the test set smaller
nouiz Jan 16, 2015
ec112fa
use floatX for lstm
nouiz Jan 21, 2015
6a32f03
sort dataset by length to speed up error computation
nouiz Jan 31, 2015
2f14fbf
Try to repair travis failure to install our dependency
nouiz Jan 31, 2015
6e38783
Keep random subset of the test set
nouiz Feb 3, 2015
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Keep random subset of the test set
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@nouiz
nouiz committed Feb 3, 2015
commit 6e387832af57cc17f93e0583fec00ed04f7f700d
8 changes: 7 additions & 1 deletion code/lstm.py
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Expand Up @@ -415,7 +415,13 @@ def train_lstm(
train, valid, test = load_data(n_words=n_words, valid_portion=0.05,
maxlen=maxlen)
if test_size > 0:
test = (test[0][:test_size], test[1][:test_size])
# The test set is sorted by size, but we want to keep random
# size example. So we must select a random selection of the
# examples.
idx = numpy.arange(len(test[0]))
random.shuffle(idx)
idx = idx[:test_size]
test = ([test[0][n] for n in idx], [test[1][n] for n in idx])

ydim = numpy.max(train[1]) + 1

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