optparser.add_option('--n-hidden', None, dest='n_hidden', default=3, help='num hidden nodes')
optparser.add_option('--l1-reg', None, dest='l1_reg', default=0, help='L1 regression weight')
optparser.add_option('--l2-reg', None, dest='l2_reg', default=0, help='L2 regression weight')
optparser.add_option('--batch-size', None, dest='batch_size', default=100, help='mini batch size')
optparser.add_option('--epochs', None, dest='n_epochs', default=10000, help='epochs to run')
optparser.add_option('--learning-rate', None, dest='learning_rate', default=0.01, help='weight update learning rate')
optparser.add_option('--seed', None, dest='seed', default=92374652, help='rng seed')
optparser.add_option('--weights-file', None, dest='weights_file', default=None, help='pickle model params from previous run')
optparser.add_option('--print-internal-vars', None, action="store_true", dest='print_internal_vars', default=False, help='whether to wrap selected symbolic nodes in a theano.print')
optparser.add_option('--dump-hidden-weights', None, action="store_true", dest='dump_hidden', default=False, help='whether to write projection/hidden/softmax layer weights out to a file')
options, arguments = optparser.parse_args()
print "options", options
# load data
from load_data import load_trigram_data
vocab_size, input_feature_names, feature_input_indexes, datasets = load_trigram_data(options.trigrams)
print "vocab_size", vocab_size
print "input_feature_names", input_feature_names
print "feature_input_indexes", feature_input_indexes
print "datasets", datasets
# run
run_nplm(datasets=datasets,
n_in=2, # use bigram to pick next token
vocab_size=vocab_size, projection_dim=int(options.n_projection),
n_hidden=int(options.n_hidden),
input_feature_names=input_feature_names,
feature_input_indexes=feature_input_indexes,
L1_reg=float(options.l1_reg), L2_reg=float(options.l2_reg),
batch_size=int(options.batch_size), n_epochs=int(options.n_epochs),
learning_rate=float(options.learning_rate),
# create output dir if requested (and write options to a file)
if opts.output_dir is not None:
if not os.path.exists(opts.output_dir):
os.makedirs(opts.output_dir)
with open(opts.output_dir + "/options.json", 'w') as f:
f.write(str(opts))
# create some timing gates for dumping checkpoints and costs
checkpointer_gate = FrequencyGate(opts.checkpoint_freq) if opts.checkpoint_freq else None
dump_cost_gate = FrequencyGate(opts.cost_progress_freq)
# slurp in training data, converting from "C A B" to idx "0 1 2" and storing in idxs
# idxs => (w1, w2, w3) for lr; (w1, w2) for sm
# label y => 1.0 or 0.0 for lr; w3 for sm
idxs, y, token_idx = load_trigram_data(opts.trigrams_file, opts.mode)
if opts.output_dir is not None:
token_idx.write_to_file(opts.output_dir + "/vocab.tsv")
VOCAB_SIZE = token_idx.seq
# decide batching sizes
BATCH_SIZE = opts.batch_size
NUM_BATCHES = int(math.ceil(float(len(idxs)) / BATCH_SIZE))
print("#egs", len(idxs), "batch_size", BATCH_SIZE, "=> num_batches", NUM_BATCHES, file=sys.stderr)
EPOCHS = opts.epochs
LAMBDA1, LAMBDA2 = opts.lambda1, opts.lambda2
NUM_EMBEDDING_NODES = 3 if opts.mode=='lr' else 2
NUM_OUTPUT_NODES = 1 if opts.mode=='lr' else VOCAB_SIZE
# decide if we're going to dump cost progress
# create output dir if requested (and write options to a file)
if opts.output_dir is not None:
if not os.path.exists(opts.output_dir):
os.makedirs(opts.output_dir)
with open(opts.output_dir + "/options.json", 'w') as f:
f.write(str(opts))
# create some timing gates for dumping checkpoints and costs
checkpointer_gate = FrequencyGate(
opts.checkpoint_freq) if opts.checkpoint_freq else None
dump_cost_gate = FrequencyGate(opts.cost_progress_freq)
# slurp in training data, converting from "C A B" to idx "0 1 2" and storing in idxs
# idxs => (w1, w2, w3) for lr; (w1, w2) for sm
# label y => 1.0 or 0.0 for lr; w3 for sm
idxs, y, token_idx = load_trigram_data(opts.trigrams_file, opts.mode)
if opts.output_dir is not None:
token_idx.write_to_file(opts.output_dir + "/vocab.tsv")
VOCAB_SIZE = token_idx.seq
# decide batching sizes
BATCH_SIZE = opts.batch_size
NUM_BATCHES = int(math.ceil(float(len(idxs)) / BATCH_SIZE))
print("#egs",
len(idxs),
"batch_size",
BATCH_SIZE,
"=> num_batches",
NUM_BATCHES,
file=sys.stderr)
EPOCHS = opts.epochs
