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authorAlex Auvolat <alex.auvolat@ens.fr>2015-07-25 16:21:08 -0400
committerAlex Auvolat <alex.auvolat@ens.fr>2015-07-25 16:21:08 -0400
commit8876175ad46d43e1a387b11ad398defac588b901 (patch)
treed498a41c6745d6300dcf858b6f546988696f5c2f
parent4b0c1a83bc8028983eeb4c4bda19e05954cb6ac2 (diff)
downloadtaxi-8876175ad46d43e1a387b11ad398defac588b901.tar.gz
taxi-8876175ad46d43e1a387b11ad398defac588b901.zip
Add memory_net_bidir_mom
-rw-r--r--config/bidirectional_tgtcls_1_momentum.py4
-rw-r--r--config/memory_network_bidir_momentum.py58
2 files changed, 60 insertions, 2 deletions
diff --git a/config/bidirectional_tgtcls_1_momentum.py b/config/bidirectional_tgtcls_1_momentum.py
index b286e0f..65ad021 100644
--- a/config/bidirectional_tgtcls_1_momentum.py
+++ b/config/bidirectional_tgtcls_1_momentum.py
@@ -27,12 +27,12 @@ embed_weights_init = IsotropicGaussian(0.01)
weights_init = IsotropicGaussian(0.1)
biases_init = Constant(0.01)
-batch_size = 100
+batch_size = 300
batch_sort_size = 20
max_splits = 100
# monitor_freq = 10000 # temporary, for finding good learning rate
-step_rule= Momentum(learning_rate=0.1, momentum=0.9)
+step_rule= Momentum(learning_rate=0.01, momentum=0.9)
diff --git a/config/memory_network_bidir_momentum.py b/config/memory_network_bidir_momentum.py
new file mode 100644
index 0000000..e5863ae
--- /dev/null
+++ b/config/memory_network_bidir_momentum.py
@@ -0,0 +1,58 @@
+from blocks.initialization import IsotropicGaussian, Constant
+from blocks.algorithms import Momentum
+
+from blocks.bricks import Tanh
+
+import data
+from model.memory_network_bidir import Model, Stream
+
+
+dim_embeddings = [
+ ('origin_call', data.origin_call_train_size, 10),
+ ('origin_stand', data.stands_size, 10),
+ ('week_of_year', 52, 10),
+ ('day_of_week', 7, 10),
+ ('qhour_of_day', 24 * 4, 10),
+ ('day_type', 3, 10),
+]
+
+embed_weights_init = IsotropicGaussian(0.001)
+
+
+class RNNConfig(object):
+ __slots__ = ('rec_state_dim', 'dim_embeddings', 'embed_weights_init',
+ 'dim_hidden', 'weights_init', 'biases_init')
+
+prefix_encoder = RNNConfig()
+prefix_encoder.dim_embeddings = dim_embeddings
+prefix_encoder.embed_weights_init = embed_weights_init
+prefix_encoder.rec_state_dim = 100
+prefix_encoder.dim_hidden = [100, 100]
+prefix_encoder.weights_init = IsotropicGaussian(0.01)
+prefix_encoder.biases_init = Constant(0.001)
+
+candidate_encoder = RNNConfig()
+candidate_encoder.dim_embeddings = dim_embeddings
+candidate_encoder.embed_weights_init = embed_weights_init
+candidate_encoder.rec_state_dim = 100
+candidate_encoder.dim_hidden = [100, 100]
+candidate_encoder.weights_init = IsotropicGaussian(0.01)
+candidate_encoder.biases_init = Constant(0.001)
+
+representation_size = 100
+representation_activation = Tanh
+
+normalize_representation = True
+
+
+batch_size = 32
+batch_sort_size = 20
+
+max_splits = 100
+num_cuts = 1000
+
+train_candidate_size = 1000
+valid_candidate_size = 1000
+test_candidate_size = 1000
+
+step_rule = Momentum(learning_rate=0.01, momentum=0.9)