taxi

commit 5cff3a0d1ce5ae114d9090e41bccef294bfd0015
parent 9933cafdf3b218a509c2efd6e6e6ba91ae87aa9c
Author: Étienne Simon <esimon@esimon.eu>
Date:   Mon, 27 Jul 2015 13:41:08 -0400

Add bigger memory networks

Diffstat:
A
config/memory_network_bidir_2.py
 | 
54
++++++++++++++++++++++++++++++++++++++++++++++++++++++
A
config/memory_network_mlp_2.py
 | 
53
+++++++++++++++++++++++++++++++++++++++++++++++++++++

2 files changed, 107 insertions(+), 0 deletions(-)
diff --git a/config/memory_network_bidir_2.py b/config/memory_network_bidir_2.py
@@ -0,0 +1,54 @@
+from blocks.initialization import IsotropicGaussian, Constant
+
+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 = 100
+batch_sort_size = 20
+
+max_splits = 100
+
+train_candidate_size = 1000
+valid_candidate_size = 1000
+test_candidate_size = 1000
diff --git a/config/memory_network_mlp_2.py b/config/memory_network_mlp_2.py
@@ -0,0 +1,53 @@
+from blocks.initialization import IsotropicGaussian, Constant
+
+from blocks.bricks import Tanh
+
+import data
+from model.memory_network_mlp import Model, Stream
+
+n_begin_end_pts = 5
+
+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 MLPConfig(object):
+    __slots__ = ('dim_input', 'dim_hidden', 'dim_output', 'weights_init', 'biases_init', 'embed_weights_init', 'dim_embeddings')
+
+prefix_encoder = MLPConfig()
+prefix_encoder.dim_input = n_begin_end_pts * 2 * 2 + sum(x for (_, _, x) in dim_embeddings)
+prefix_encoder.dim_hidden = [100, 100]
+prefix_encoder.weights_init = IsotropicGaussian(0.01)
+prefix_encoder.biases_init = Constant(0.001)
+prefix_encoder.embed_weights_init = embed_weights_init
+prefix_encoder.dim_embeddings = dim_embeddings
+
+candidate_encoder = MLPConfig()
+candidate_encoder.dim_input = n_begin_end_pts * 2 * 2 + sum(x for (_, _, x) in dim_embeddings)
+candidate_encoder.dim_hidden = [100, 100]
+candidate_encoder.weights_init = IsotropicGaussian(0.01)
+candidate_encoder.biases_init = Constant(0.001)
+candidate_encoder.embed_weights_init = embed_weights_init
+candidate_encoder.dim_embeddings = dim_embeddings
+
+representation_size = 100
+representation_activation = Tanh
+
+normalize_representation = True
+
+
+batch_size = 100
+batch_sort_size = 20
+
+max_splits = 100
+
+train_candidate_size = 1000
+valid_candidate_size = 1000
+test_candidate_size = 1000