コード例 #1
0
def model_fn(model_dir):
    logger.info('Loading the model.')
    model_info = {}
    with open(os.path.join(model_dir, 'model_info.pth'), 'rb') as f:
        model_info = torch.load(f)
    print('model_info: {}'.format(model_info))
    device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
    logger.info('Current device: {}'.format(device))
    model = RNNModel(rnn_type=model_info['rnn_type'], ntoken=model_info['ntoken'],
                     ninp=model_info['ninp'], nhid=model_info['nhid'], nlayers=model_info['nlayers'],
                     dropout=model_info['dropout'], tie_weights=model_info['tie_weights'])
    with open(os.path.join(model_dir, 'model.pth'), 'rb') as f:
        model.load_state_dict(torch.load(f))
        # after load the rnn params are not a continuous chunk of memory
        # this makes them a continuous chunk, and will speed up forward pass
        model.rnn.flatten_parameters()
    model.to(device).eval()
    logger.info('Loading the data.')
    corpus = data.Corpus(model_dir)
    logger.info('Done loading model and corpus. Corpus dictionary size: {}'.format(len(corpus.dictionary)))
    return {'model': model, 'corpus': corpus}
コード例 #2
0
def model_fn(model_dir):
    logger.info('Loading the model.')
    model_info = {}
    with open(os.path.join(model_dir, 'model_info.pth'), 'rb') as f:
        model_info = torch.load(f)
    print('model_info: {}'.format(model_info))
    device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
    logger.info('Current device: {}'.format(device))
    model = RNNModel(rnn_type=model_info['rnn_type'], ntoken=model_info['ntoken'],
                     ninp=model_info['ninp'], nhid=model_info['nhid'], nlayers=model_info['nlayers'],
                     dropout=model_info['dropout'], tie_weights=model_info['tie_weights'])
    with open(os.path.join(model_dir, 'model.pth'), 'rb') as f:
        model.load_state_dict(torch.load(f))
        # after load the rnn params are not a continuous chunk of memory
        # this makes them a continuous chunk, and will speed up forward pass
        model.rnn.flatten_parameters()
    model.to(device).eval()
    logger.info('Loading the data.')
    corpus = data.Corpus(model_dir)
    logger.info('Done loading model and corpus. Corpus dictionary size: {}'.format(len(corpus.dictionary)))
    return {'model': model, 'corpus': corpus}
コード例 #3
0
#0.25, 0.1, 0.2, 0.02, 0.15
# net = CharLSTM(sequence_len=sequence_len, vocab_size=vocab_size, hidden_dim=hs, batch_size=batch_size, n_fac=n_fac, device="cuda:0")
net = RNNModel(rnn_type="LSTM",
               ntoken=vocab_size,
               ninp=hs,
               nhid=hs,
               nlayers=3,
               dropout=0.25,
               dropouth=0.1,
               dropouti=0.2,
               dropoute=0.02,
               wdrop=0,
               tie_weights=False,
               device="cuda:0")
try:
    net.to(net.device)
except:
    net.to(net.device)

# optimizer = optim.Adam(net.parameters(), lr=30, weight_decay=0.0001 )
optimizer = torch.optim.SGD(net.parameters(),
                            lr=1e3,
                            momentum=0.90,
                            weight_decay=1.2e-6,
                            nesterov=False)
# get the validation and the training data
val_idx = int(len(encoded) * (1 - 0.1))
data, val_data = encoded[:val_idx], encoded[val_idx:]

# empty list for the validation losses
val_losses = list()