from blocks.initialization import IsotropicGaussian, Constant from blocks.algorithms import AdaDelta, CompositeRule, GradientDescent, RemoveNotFinite, StepRule, Momentum import data from model.memory_network import Model, Stream n_begin_end_pts = 5 # how many points we consider at the beginning and end of the known trajectory 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), ] class MLPConfig(object): __slots__ = ('dim_input', 'dim_hidden', 'dim_output', 'weights_init', 'biases_init') 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(0.001) prefix_encoder.biases_init = Constant(0.0001) 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(0.001) candidate_encoder.biases_init = Constant(0.0001) embed_weights_init = IsotropicGaussian(0.001) step_rule = Momentum(learning_rate=0.001, momentum=0.9) batch_size = 32 valid_set = 'cuts/test_times_0' max_splits = 1 num_cuts = 1000 train_candidate_size = 1000 valid_candidate_size = 10000 load_model = False