Ejemplo n.º 1
0
def _forward(config):
    assert config.load
    test_data = read_data(config, config.forward_name, True)
    update_config(config, [test_data])

    _config_debug(config)

    if config.use_glove_for_unk:
        word2vec_dict = test_data.shared['lower_word2vec'] if config.lower_word else test_data.shared['word2vec']
        new_word2idx_dict = test_data.shared['new_word2idx']
        idx2vec_dict = {idx: word2vec_dict[word] for word, idx in new_word2idx_dict.items()}
        new_emb_mat = np.array([idx2vec_dict[idx] for idx in range(len(idx2vec_dict))], dtype='float32')
        config.new_emb_mat = new_emb_mat

    pprint(config.__flags, indent=2)
    models = get_multi_gpu_models(config)
    model = models[0]
    print("num params: {}".format(get_num_params()))
    evaluator = Evaluator(config, model)
    graph_handler = GraphHandler(config, model)  # controls all tensors and variables in the graph, including loading /saving

    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
    graph_handler.initialize(sess)

    num_batches = math.ceil(test_data.num_examples / config.batch_size)
    if 0 < config.test_num_batches < num_batches:
        num_batches = config.test_num_batches
    e = evaluator.get_evaluation_from_batches(sess, tqdm(test_data.get_batches(config.batch_size, num_batches=num_batches), total=num_batches))
    print(e)
    if config.dump_answer:
        print("dumping answer ...")
        graph_handler.dump_answer(e, path=config.answer_path)
    if config.dump_eval:
        print("dumping eval ...")
        graph_handler.dump_eval(e, path=config.eval_path)
Ejemplo n.º 2
0
def _train(config):
    data_filter = get_squad_data_filter(config)
    #train_data = read_data(config, 'train', config.load, data_filter=data_filter)
    train_data = read_data(config, 'train', False, data_filter=data_filter)
    dev_data = read_data(config, 'dev', True, data_filter=data_filter)
    update_config(config, [train_data, dev_data])

    _config_debug(config)

    word2vec_dict = train_data.shared[
        'lower_word2vec'] if config.lower_word else train_data.shared[
            'word2vec']
    word2idx_dict = train_data.shared['word2idx']
    idx2vec_dict = {
        word2idx_dict[word]: vec
        for word, vec in word2vec_dict.items() if word in word2idx_dict
    }
    emb_mat = np.array([
        idx2vec_dict[idx]
        if idx in idx2vec_dict else np.random.multivariate_normal(
            np.zeros(config.word_emb_size), np.eye(config.word_emb_size))
        for idx in range(config.word_vocab_size)
    ])
    config.emb_mat = emb_mat

    # construct model graph and variables (using default graph)
    pprint(config.__flags, indent=2)
    models = get_multi_gpu_models(config)
    model = models[0]
    print("num params: {}".format(get_num_params()))
    trainer = MultiGPUTrainer(config, models)
    evaluator = MultiGPUF1Evaluator(
        config, models, tensor_dict=model.tensor_dict if config.vis else None)
    graph_handler = GraphHandler(
        config, model
    )  # controls all tensors and variables in the graph, including loading /saving

    # Variables
    config_proto = tf.ConfigProto()
    config_proto.gpu_options.allow_growth = True
    config_proto.allow_soft_placement = True
    sess = tf.Session(config=config_proto)
    graph_handler.initialize(sess)

    # plot weights
    for train_var in tf.trainable_variables():
        plot_tensor(train_var.eval(session=sess),
                    train_var.op.name,
                    plot_weights=config.plot_weights,
                    hidden_size=config.hidden_size)

    # Begin training
    num_steps = config.num_steps or int(
        math.ceil(train_data.num_examples /
                  (config.batch_size * config.num_gpus))) * config.num_epochs
    global_step = 0
    for batches in tqdm(train_data.get_multi_batches(config.batch_size,
                                                     config.num_gpus,
                                                     num_steps=num_steps,
                                                     shuffle=True,
                                                     cluster=config.cluster),
                        total=num_steps):
        global_step = sess.run(
            model.global_step
        ) + 1  # +1 because all calculations are done after step
        get_summary = global_step % config.log_period == 0
        loss, summary, train_op = trainer.step(sess,
                                               batches,
                                               get_summary=get_summary)
        if get_summary:
            graph_handler.add_summary(summary, global_step)

        # occasional saving
        if global_step % config.save_period == 0:
            graph_handler.save(sess, global_step=global_step)

        if not config.eval:
            continue
        # Occasional evaluation
        if global_step % config.eval_period == 0:
            num_steps = math.ceil(dev_data.num_examples /
                                  (config.batch_size * config.num_gpus))
            if 0 < config.val_num_batches < num_steps:
                num_steps = config.val_num_batches
            e_train = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(train_data.get_multi_batches(config.batch_size,
                                                  config.num_gpus,
                                                  num_steps=num_steps),
                     total=num_steps))
            graph_handler.add_summaries(e_train.summaries, global_step)
            e_dev = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(dev_data.get_multi_batches(config.batch_size,
                                                config.num_gpus,
                                                num_steps=num_steps),
                     total=num_steps))
            graph_handler.add_summaries(e_dev.summaries, global_step)

            if config.dump_eval:
                graph_handler.dump_eval(e_dev)
            if config.dump_answer:
                graph_handler.dump_answer(e_dev)
    if global_step % config.save_period != 0:
        graph_handler.save(sess, global_step=global_step)
Ejemplo n.º 3
0
def _train(config):
    data_filter = get_squad_data_filter(config)
    train_data = read_data(config,
                           'train',
                           config.load,
                           data_filter=data_filter)
    dev_data = read_data(config, config.dev_name, True, data_filter=None)
    update_config(config, [train_data, dev_data])

    _config_debug(config)

    word2vec_dict = train_data.shared[
        'lower_word2vec'] if config.lower_word else train_data.shared[
            'word2vec']
    word2idx_dict = train_data.shared['word2idx']
    idx2vec_dict = {
        word2idx_dict[word]: vec
        for word, vec in word2vec_dict.items() if word in word2idx_dict
    }
    emb_mat = np.array([
        idx2vec_dict[idx]
        if idx in idx2vec_dict else np.random.multivariate_normal(
            np.zeros(config.word_emb_size), np.eye(config.word_emb_size))
        for idx in range(config.word_vocab_size)
    ])
    config.emb_mat = emb_mat
    # construct model graph and variables (using default graph)
    pprint(config.__flags, indent=2)
    models = get_multi_gpu_models(config)
    model = models[0]
    print("num params: {}".format(get_num_params()))
    trainer = MultiGPUTrainer(config, models)
    if config.model_name == 'basic':
        ThisEvaluator = MultiGPUF1Evaluator
    elif config.model_name in ['basic-class', 'basic-generate', 'baseline']:
        ThisEvaluator = MultiGPUClassificationAccuracyEvaluator
    elif config.model_name == 'span-gen':
        ThisEvaluator = UnionEvaluator

    evaluator = ThisEvaluator(
        config, models, tensor_dict=model.tensor_dict if config.vis else None)
    graph_handler = GraphHandler(
        config, model
    )  # controls all tensors and variables in the graph, including loading /saving
    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))

    graph_handler.initialize(sess)
    # Begin training
    num_steps = config.num_steps or int(
        math.ceil(train_data.num_examples /
                  (config.batch_size * config.num_gpus))) * config.num_epochs
    global_step = 0

    for batches in tqdm(train_data.get_multi_batches(config.batch_size,
                                                     config.num_gpus,
                                                     num_steps=num_steps,
                                                     shuffle=True,
                                                     cluster=config.cluster),
                        total=num_steps):
        global_step = sess.run(
            model.global_step
        ) + 1  # +1 because all calculations are done after step
        get_summary = global_step % config.log_period == 0
        loss, summary, train_op = trainer.step(sess,
                                               batches,
                                               get_summary=get_summary)
        if get_summary:
            graph_handler.add_summary(summary, global_step)

        # occasional saving
        if global_step % config.save_period == 0:
            print("Saving variables on step ", global_step)
            graph_handler.save(sess, global_step=global_step)
        if not config.eval:
            continue
        # Occasional evaluation
        if global_step % config.eval_period == 0:
            num_steps = math.ceil(dev_data.num_examples /
                                  (config.batch_size * config.num_gpus))
            if 0 < config.val_num_batches < num_steps:
                num_steps = config.val_num_batches
            """ 
            train_batches = tqdm(train_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps), total=num_steps)
            e_train = evaluator.get_evaluation_from_batches(
                sess, train_batches
            )
            graph_handler.add_summaries(e_train.summaries, global_step)
            """
            e_dev = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(dev_data.get_multi_batches(config.batch_size,
                                                config.num_gpus,
                                                num_steps=num_steps),
                     total=num_steps))
            print("Evaluated on dev at step ", global_step, ": ", e_dev)
            graph_handler.add_summaries(e_dev.summaries, global_step)
            if config.dump_eval:
                graph_handler.dump_eval(e_dev)
            if config.dump_answer:
                graph_handler.dump_answer(e_dev)

    if global_step % config.save_period != 0:
        print("Final save at step ", global_step)
        graph_handler.save(sess, global_step=global_step)
Ejemplo n.º 4
0
def _train(config):
    data_filter = get_squad_data_filter(config)
    train_data = read_data(config,
                           'train',
                           config.load,
                           data_filter=data_filter)
    dev_data = read_data(config, 'dev', True, data_filter=data_filter)
    update_config(config, [train_data])
    _config_debug(config)

    word2vec_dict = train_data.shared[
        'lower_word2vec'] if config.lower_word else train_data.shared[
            'word2vec']
    word2idx_dict = train_data.shared['word2idx']
    idx2vec_dict = {
        word2idx_dict[word]: vec
        for word, vec in word2vec_dict.items() if word in word2idx_dict
    }
    emb_mat = np.array([
        idx2vec_dict[idx]
        if idx in idx2vec_dict else np.random.multivariate_normal(
            np.zeros(config.word_emb_size), np.eye(config.word_emb_size))
        for idx in range(config.word_vocab_size)
    ])
    config.len_new_emb_mat = len(dev_data.shared['idx2word'])
    config.emb_mat = emb_mat  # INITIALIZE EMB MAT IN CONFIG
    #entity_mat = np.array([i for i in range(config.word_vocab_size - config.vw_wo_entity_size)])
    # binary encode
    #onehot_encoder = OneHotEncoder(categories="auto",sparse=False)
    #config.onehot_encoded = onehot_encoder.fit_transform(entity_mat.reshape(-1,1))

    # construct model graph and variables (using default graph)
    pprint(config.__flags, indent=2)
    models = get_multi_gpu_models(config)
    model = models[0]
    print("num params: {}".format(get_num_params()))
    trainer = MultiGPUTrainer(config, models)
    #evaluator = MultiGPUF1Evaluator(config, models, tensor_dict=model.tensor_dict if config.vis else None) # FIXME: Put this back!
    #BLEU evaluator
    evaluator = BleuEvaluatorSpan(
        config, model, tensor_dict=model.tensor_dict if config.vis else None)
    graph_handler = GraphHandler(
        config, model
    )  # controls all tensors and variables in the graph, including loading /saving

    # Variables
    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
    graph_handler.initialize(sess)

    # Begin training
    num_steps = config.num_steps or int(
        math.ceil(train_data.num_examples /
                  (config.batch_size * config.num_gpus))) * config.num_epochs
    global_step = 0
    for batches in tqdm(train_data.get_multi_batches(config.batch_size,
                                                     config.num_gpus,
                                                     num_steps=num_steps,
                                                     shuffle=True,
                                                     cluster=config.cluster),
                        total=num_steps):
        # batches and models should be of the same length
        global_step = sess.run(
            model.global_step
        ) + 1  # +1 because all calculations are done after step
        get_summary = global_step % config.log_period == 0
        print("TRAINER STEP STARTS!")
        loss, summary, train_op = trainer.step(sess,
                                               batches,
                                               get_summary=get_summary)
        print("TRAINER STEP DONE!")
        #if get_summary:
        #    graph_handler.add_summary(summary, global_step)
        # occasional saving
        if global_step % config.save_period == 0:
            graph_handler.save(sess, global_step=global_step)

        if not config.eval:
            continue
        # Occasional evaluation
        if global_step % config.eval_period == 0:
            num_steps = math.ceil(dev_data.num_examples /
                                  (config.batch_size * config.num_gpus))

            if 0 < config.val_num_batches < num_steps:
                num_steps = config.val_num_batches
            print("train eval started")
            e_train = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(train_data.get_multi_batches(config.batch_size,
                                                  config.num_gpus,
                                                  num_steps=num_steps),
                     total=num_steps))
            print("dev eval started")
            graph_handler.add_summaries(e_train.summaries, global_step)
            e_dev = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(dev_data.get_multi_batches(config.batch_size,
                                                config.num_gpus,
                                                num_steps=num_steps),
                     total=num_steps))
            graph_handler.add_summaries(e_dev.summaries, global_step)
            print("eval done")

            if config.dump_eval:
                graph_handler.dump_eval(e_dev)
                graph_handler.dump_eval(e_train)
            if config.dump_answer:
                graph_handler.dump_answer(e_dev)
            print("dump eval done")
    if global_step % config.save_period != 0:
        graph_handler.save(sess, global_step=global_step)
Ejemplo n.º 5
0
def _train(config):
    data_filter = get_squad_data_filter(config)
    train_data = read_data(config, 'train', config.load, data_filter=data_filter)
    dev_data = read_data(config, 'dev', True, data_filter=data_filter)
    update_config(config, [train_data, dev_data])

    _config_debug(config)

    word2vec_dict = train_data.shared['lower_word2vec'] if config.lower_word else train_data.shared['word2vec']
    word2idx_dict = train_data.shared['word2idx']
    new_word2idx_dict = train_data.shared['new_word2idx']
    print('word2idx len : {}, new_word2idx len : {}'.format(len(word2idx_dict), len(new_word2idx_dict)))

    idx2vec_dict = {word2idx_dict[word]: vec for word, vec in word2vec_dict.items() if word in word2idx_dict}

    idx2word_dict = {idx: word for word, idx in word2idx_dict.items()}
    offset = len(idx2word_dict)
    idx2word_dict.update({offset+idx: word for word, idx in new_word2idx_dict.items()})
    train_data.shared['idx2word'] = idx2word_dict

    emb_mat = np.array([idx2vec_dict[idx] if idx in idx2vec_dict
                           else np.random.multivariate_normal(np.zeros(config.word_emb_size), np.eye(config.word_emb_size))
                           for idx in range(config.word_vocab_size)])
    config.emb_mat = emb_mat

    # construct model graph and variables (using default graph)
    pprint(config.__flags, indent=2)
    models = get_multi_gpu_models(config)
    model = models[0]

    print("num params: {}".format(get_num_params()))
    trainer = MultiGPUTrainer(config, models)
    evaluator = MultiGPUF1Evaluator(config, models, tensor_dict=model.tensor_dict if config.vis else None)
    graph_handler = GraphHandler(config, model)  # controls all tensors and variables in the graph, including loading /saving

    # Variables
    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
    graph_handler.initialize(sess)

    # Begin training
    num_steps = config.num_steps or int(math.ceil(train_data.num_examples / (config.batch_size * config.num_gpus))) * config.num_epochs
    global_step = 0
    for batches in tqdm(train_data.get_multi_batches(config.batch_size, config.num_gpus,
                                                     num_steps=num_steps, shuffle=True, cluster=config.cluster), total=num_steps):
        # QA, QG shared encoder로 학습하는 부분
        global_step = sess.run(model.global_step) + 1
        #get_summary = global_step % config.log_period == 1
        get_summary = True # 너무 답답해서 매 스텝마다 찍어야겠다...

        loss, seq2seq_loss, summary, train_op, gen_q_sample = trainer.step(sess, batches, get_summary=get_summary)
        config.is_gen = False
        print("global step : ", global_step)
        print("Loss : ", loss, "|", seq2seq_loss)
        print("Generated Question Sample : ", ' '.join([idx2word_dict[w] for w in gen_q_sample[0]]))
        """
        config.is_gen = True
        for (_, batch) in batches:
            batch.data['q'] = ['']*len(gen_q_sample)
            batch.data['cq'] = ['']*len(gen_q_sample)
            for b_idx in range(len(gen_q_sample)):
                batch.data['q'][b_idx] = [idx2word_dict[w] if w in idx2word_dict else "-UNK-" for w in gen_q_sample[b_idx]]
                batch.data['cq'][b_idx] = [list(idx2word_dict[w] if w in idx2word_dict else "-UNK-") for w in gen_q_sample[b_idx]]

        qa_gen_loss, _, __, train_op, ___ = trainer.step(sess, batch, get_summary=get_summary, is_gen=config.is_gen)
        print("QA Gen Loss : ", qa_gen_loss)
        """
        if get_summary:
            graph_handler.add_summary(summary, global_step)

        # occasional saving
        if global_step % config.save_period == 0:
            graph_handler.save(sess, global_step=global_step)

        if not config.eval:
            continue
        # Occasional evaluation
        if global_step % config.eval_period == 0:
            num_steps = math.ceil(dev_data.num_examples / (config.batch_size * config.num_gpus))
            if 0 < config.val_num_batches < num_steps:
                num_steps = config.val_num_batches
            """
            e_train = evaluator.get_evaluation_from_batches(
                sess, tqdm(train_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps), total=num_steps)
            )
            graph_handler.add_summaries(e_train.summaries, global_step)
            """
            e_dev = evaluator.get_evaluation_from_batches(
                sess, tqdm(dev_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps), total=num_steps))
            graph_handler.add_summaries(e_dev.summaries, global_step)
            print(e_dev)
            if config.dump_eval:
                graph_handler.dump_eval(e_dev)
            if config.dump_answer:
                graph_handler.dump_answer(e_dev)
    if global_step % config.save_period != 0:
        graph_handler.save(sess, global_step=global_step)
Ejemplo n.º 6
0
def _train(config):
    train_data = read_data(config, 'val_train', config.load)
    dev_data = read_data(config, 'val_val', True)
    # test = read_data(config, 'test', True)
    update_config(config, [train_data, dev_data])

    _config_debug(config)

    word2vec_dict = train_data.shared['lower_word2vec'] if config.lower_word else train_data.shared['word2vec']
    word2idx_dict = train_data.shared['word2idx']
    idx2vec_dict = {word2idx_dict[word]: vec for word, vec in word2vec_dict.items() if word in word2idx_dict}
    emb_mat = np.array([idx2vec_dict[idx] if idx in idx2vec_dict
                        else np.random.multivariate_normal(np.zeros(config.word_emb_size), np.eye(config.word_emb_size))
                        for idx in range(config.word_vocab_size)])
    config.emb_mat = emb_mat

    pprint(config.__flags, indent=2)
    models = get_multi_gpu_models(config)
    model = models[0]
    print("num params: {}".format(get_num_params()))
    trainer = MultiGPUTrainer(config, models)
    evaluator = AccuracyEvaluator(config.train_num_can, config, model,
                                  tensor_dict=model.tensor_dict if config.vis else None)
    graph_handler = GraphHandler(config,
                                 model)  # controls all tensors and variables in the graph, including loading /saving

    # Variables
    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
    graph_handler.initialize(sess)

    # Begin training
    num_steps = config.num_steps or int(
        math.ceil(train_data.num_examples / (config.batch_size * config.num_gpus))) * config.num_epochs
    global_step = 0
    best_dev=[0,0]

    for batches in tqdm(train_data.get_multi_batches(config.batch_size, config.num_gpus,
                                                     num_steps=num_steps, shuffle=False, cluster=config.cluster), total=num_steps):
        global_step = sess.run(model.global_step) + 1  # +1 because all calculations are done after step
        get_summary = global_step % config.log_period == 0
        loss, summary, train_op = trainer.step(sess, batches, get_summary=get_summary)

        if get_summary:
            graph_handler.add_summary(summary, global_step)


        if not config.eval:
            continue

        if global_step % config.eval_period == 0:

            num_steps_dev = math.ceil(dev_data.num_examples / (config.batch_size * config.num_gpus))
            num_steps_train = math.ceil(train_data.num_examples / (config.batch_size * config.num_gpus))


            e_train = evaluator.get_evaluation_from_batches(
                sess, tqdm(train_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps_train),
                           total=num_steps_train)
            )
            # graph_handler.add_summaries(e_test.summaries, global_step)
            e_dev = evaluator.get_evaluation_from_batches(
                sess, tqdm(dev_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps_dev),
                           total=num_steps_dev))
            # graph_handler.dump_eval(e)
            # graph_handler.add_summaries(e_dev.summaries, global_step)
            print('train step:{}  loss:{}  acc:{}'.format(global_step, e_train.loss, e_train.acc))
            print('val step:{}  loss:{}  acc:{}'.format(global_step, e_dev.loss, e_dev.acc))
            # print('w_s:{}'.format(w_s))
            if global_step > 700:
                 config.save_period = 50
                 config.eval_period = 50

            if best_dev[0] < e_dev.acc:
                best_dev=[e_dev.acc,global_step,e_train.acc]
                graph_handler.save(sess, global_step=global_step)



            # if config.dump_eval:
            #     graph_handler.dump_eval(e_dev)

    if global_step % config.save_period != 0:
        graph_handler.save(sess, global_step=global_step)
    print (best_dev)
    print ("you can test on test data set and set load setp is {}".format(best_dev[1]))
Ejemplo n.º 7
0
def _train(config):
    data_filter = get_squad_data_filter(config)
    train_data = read_data(config, config.trainfile, "train", data_filter = data_filter)
    dev_data = read_data(config, config.validfile, "valid", data_filter = data_filter)
    update_config(config, [train_data, dev_data])

    _config_debug(config)

    models = get_multi_gpu_models(config)
    model = models[0]
    print("num params: {}".format(get_num_params()))
    trainer = MultiGPUTrainer(config, models)
    evaluator = MultiGPUF1Evaluator(config, models, tensor_dict=model.tensor_dict if config.vis else None)
    # controls all tensors and variables in the graph, including loading /saving
    graph_handler = GraphHandler(config, model)

    # Variables
    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
    graph_handler.initialize(sess)

    # Begin training
    num_steps = min(config.num_steps,int(math.ceil(train_data.num_examples /
                                                  (config.batch_size * config.num_gpus))) * config.num_epochs)
    acc = 0
    for batches in tqdm(train_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps,
                                                     shuffle=True, cluster=config.cluster),
                        total=num_steps):
        global_step = sess.run(model.global_step) + 1  # +1 because all calculations are done after step
        get_summary = global_step % config.log_period == 0
        loss, summary, train_op = trainer.step(sess, batches, get_summary=get_summary)
        if get_summary:
            graph_handler.add_summary(summary, global_step)

        # Occasional evaluation and saving
        if global_step % config.save_period == 0:
            num_steps = int(math.ceil(dev_data.num_examples / (config.batch_size * config.num_gpus)))
            if 0 < config.val_num_batches < num_steps:
                num_steps = config.val_num_batches
            e_train = evaluator.get_evaluation_from_batches(sess, tqdm(train_data.get_multi_batches(
                config.batch_size, config.num_gpus, num_steps=num_steps), total=num_steps))
            graph_handler.add_summaries(e_train.summaries, global_step)
            e_dev = evaluator.get_evaluation_from_batches(
                sess, tqdm(dev_data.get_multi_batches(config.batch_size, config.num_gpus, num_steps=num_steps),
                           total=num_steps))
            graph_handler.add_summaries(e_dev.summaries, global_step)

            if e_dev.acc > acc:
                acc = e_dev.acc
                print("begin saving model...")
                print(e_dev)
                graph_handler.save(sess)
                print("end saving model, dumping eval and answer...")
                if config.dump_eval:
                    graph_handler.dump_eval(e_dev)
                if config.dump_answer:
                    graph_handler.dump_answer(e_dev)
                print("end dumping")

    print("begin freezing model...")

    config.clear_device = False
    config.input_path = graph_handler.save_path
    config.output_path = "model"
    config.input_names = None
    config.output_names = None

    freeze_graph(config)
    print("model frozen at {}".format(config.output_path))
Ejemplo n.º 8
0
def _train(config):
    if config.dataset == 'qangaroo':
        data_filter = get_qangaroo_data_filter(config)
    else:
        raise NotImplementedError

    train_data = read_data(config,
                           'train',
                           config.load,
                           data_filter=data_filter)
    dev_data = read_data(config, 'dev', True, data_filter=data_filter)
    update_config(config, [train_data, dev_data])

    word2vec_dict = train_data.shared[
        'lower_word2vec'] if config.lower_word else train_data.shared[
            'word2vec']
    word2idx_dict = train_data.shared['word2idx']
    idx2vec_dict = {
        word2idx_dict[word]: vec
        for word, vec in word2vec_dict.items() if word in word2idx_dict
    }
    emb_mat = np.array([
        idx2vec_dict[idx]
        if idx in idx2vec_dict else np.random.multivariate_normal(
            np.zeros(config.word_emb_size), np.eye(config.word_emb_size))
        for idx in range(config.word_vocab_size)
    ])

    # construct model graph and variables (using default graph)
    pprint(config.__flags, indent=2)
    sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
    with sess.as_default():
        models = get_multi_gpu_models(config, emb_mat)
        model = models[0]
        print("num params: {}".format(get_num_params()))
        trainer = MultiGPUTrainer(config, models)
        if config.reasoning_layer is not None and config.mac_prediction == 'candidates':
            evaluator = MultiGPUF1CandidateEvaluator(
                config,
                models,
                tensor_dict=model.tensor_dict if config.vis else None)
        else:
            evaluator = MultiGPUF1Evaluator(
                config,
                models,
                tensor_dict=model.tensor_dict if config.vis else None)
        graph_handler = GraphHandler(
            config, model
        )  # controls all tensors and variables in the graph, including loading /saving

        # Variables
        #gpu_options = tf.GPUOptions(allow_growth=True)
        #sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True, gpu_options=gpu_options))
        #sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True))
        graph_handler.initialize(sess)

    # Begin training
    num_steps = config.num_steps or int(
        math.ceil(train_data.num_examples /
                  (config.batch_size * config.num_gpus))) * config.num_epochs
    global_step = 0

    for batches in tqdm(train_data.get_multi_batches(config.batch_size,
                                                     config.num_gpus,
                                                     num_steps=num_steps,
                                                     shuffle=True,
                                                     cluster=config.cluster),
                        total=num_steps):

        INSUFFICIENT_DATA = False
        for batch in batches:
            _, ds = batch
            if len(ds.data['x']) < config.batch_size:
                INSUFFICIENT_DATA = True
                break
        if INSUFFICIENT_DATA:
            continue

        global_step = sess.run(
            model.global_step
        ) + 1  # +1 because all calculations are done after step
        get_summary = global_step % config.log_period == 0

        loss, summary, train_op = trainer.step(sess,
                                               batches,
                                               get_summary=get_summary)
        if get_summary:
            graph_handler.add_summary(summary, global_step)

        # occasional saving
        if global_step % config.save_period == 0:
            graph_handler.save(sess, global_step=global_step)

        if not config.eval:
            continue

        # Occasional evaluation
        if global_step % config.eval_period == 0:
            num_steps = math.ceil(dev_data.num_examples /
                                  (config.batch_size * config.num_gpus))
            if 0 < config.val_num_batches < num_steps:
                num_steps = config.val_num_batches
            e_dev = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(dev_data.get_multi_batches(config.batch_size,
                                                config.num_gpus,
                                                num_steps=num_steps),
                     total=num_steps))
            graph_handler.add_summaries(e_dev.summaries, global_step)
            e_train = evaluator.get_evaluation_from_batches(
                sess,
                tqdm(train_data.get_multi_batches(config.batch_size,
                                                  config.num_gpus,
                                                  num_steps=num_steps),
                     total=num_steps))
            graph_handler.add_summaries(e_train.summaries, global_step)
            if config.dump_eval:
                graph_handler.dump_eval(e_dev)
            if config.dump_answer:
                graph_handler.dump_answer(e_dev)
    if global_step % config.save_period != 0:
        graph_handler.save(sess, global_step=global_step)