def train_model(args): trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.word_list(args.source), args.vocab) trg_vocab = Vocabulary.new(gens.word_list(args.target), args.vocab) trace('making model ...') model = EncoderDecoderModel.new(src_vocab, trg_vocab, args.embed, args.hidden) for epoch in range(args.epoch): trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 gen1 = gens.word_list(args.source) gen2 = gens.word_list(args.target) gen3 = gens.batch(gens.sorted_parallel(gen1, gen2, 100 * args.minibatch), args.minibatch) model.init_optimizer() for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch = model.train(src_batch, trg_batch) for k in range(K): trace('epoch %3d/%3d, sample %8d' % (epoch + 1, args.epoch, trained + k + 1)) trace(' src = ' + ' '.join([x if x != '</s>' else '*' for x in src_batch[k]])) trace(' trg = ' + ' '.join([x if x != '</s>' else '*' for x in trg_batch[k]])) trace(' hyp = ' + ' '.join([x if x != '</s>' else '*' for x in hyp_batch[k]])) trained += K trace('saving model ...') model.save(args.model + '.%03d' % (epoch + 1)) trace('finished.')
def train(args): trace('loading corpus ...') with open(args.source) as fp: trees = [make_tree(l) for l in fp] trace('extracting leaf nodes ...') word_lists = [extract_words(t) for t in trees] trace('extracting gold operations ...') op_lists = [make_operations(t) for t in trees] trace('making vocabulary ...') word_vocab = Vocabulary.new(word_lists, args.vocab) phrase_set = set() semi_set = set() for tree in trees: phrase_set |= set(extract_phrase_labels(tree)) semi_set |= set(extract_semi_labels(tree)) phrase_vocab = Vocabulary.new([list(phrase_set)], len(phrase_set), add_special_tokens=False) semi_vocab = Vocabulary.new([list(semi_set)], len(semi_set), add_special_tokens=False) trace('converting data ...') word_lists = [convert_word_list(x, word_vocab) for x in word_lists] op_lists = [convert_op_list(x, phrase_vocab, semi_vocab) for x in op_lists] trace('start training ...') parser = Parser( args.vocab, args.embed, args.queue, args.stack, len(phrase_set), len(semi_set), ) if USE_GPU: parser.to_gpu() opt = optimizers.AdaGrad(lr = 0.005) opt.setup(parser) opt.add_hook(optimizer.GradientClipping(5)) for epoch in range(args.epoch): n = 0 for samples in batch(zip(word_lists, op_lists), args.minibatch): parser.zerograds() loss = my_zeros((), np.float32) for word_list, op_list in zip(*samples): trace('epoch %3d, sample %6d:' % (epoch + 1, n + 1)) loss += parser.forward(word_list, op_list, 0) n += 1 loss.backward() opt.update() trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) word_vocab.save(prefix + '.words') phrase_vocab.save(prefix + '.phrases') semi_vocab.save(prefix + '.semiterminals') parser.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', parser) trace('finished.')
def train_model(self): trace('making vocaburaries ...') src_vocab = Vocabulary.new(gens.word_list(self.source), self.vocab) trg_vocab = Vocabulary.new(gens.word_list(self.target), self.vocab) trace('making model ...') model = self.new(src_vocab, trg_vocab, self.embed, self.hidden, self.parameter_dict) random_number = random.randint(0, self.minibatch) for i_epoch in range(self.epoch): trace('epoch %d/%d: ' % (i_epoch + 1, self.epoch)) trained = 0 gen1 = gens.word_list(self.source) gen2 = gens.word_list(self.target) gen3 = gens.batch(gens.sorted_parallel(gen1, gen2, 100 * self.minibatch), self.minibatch) model.init_optimizer() for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch = model.train(src_batch, trg_batch) if trained == 0: self.print_out(random_number, i_epoch, trained, src_batch, trg_batch, hyp_batch) trained += K trace('saving model ...') model.save("ChainerMachineTranslation" + '.%03d' % (self.epoch + 1)) trace('finished.')
def train_model(args): trace('making vocaburaries ...') src_vocab = Vocabulary.new(gens.word_list(args.source), args.vocab) trg_vocab = Vocabulary.new(gens.word_list(args.target), args.vocab) trace('making model ...') model = EncoderDecoderModel.new(src_vocab, trg_vocab, args.embed, args.hidden) for epoch in range(args.epoch): trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 gen1 = gens.word_list(args.source) gen2 = gens.word_list(args.target) gen3 = gens.batch(gens.sorted_parallel(gen1, gen2, 100 * args.minibatch), args.minibatch) model.init_optimizer() for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch = model.train(src_batch, trg_batch) for k in range(K): trace('epoch %3d/%3d, sample %8d' % (epoch + 1, args.epoch, trained + k + 1)) trace(' src = ' + ' '.join([x if x != '</s>' else '*' for x in src_batch[k]])) trace(' trg = ' + ' '.join([x if x != '</s>' else '*' for x in trg_batch[k]])) trace(' hyp = ' + ' '.join([x if x != '</s>' else '*' for x in hyp_batch[k]])) trained += K trace('saving model ...') model.save(args.model + '.%03d' % (epoch + 1)) trace('finished.')
def train(args): trace('loading corpus ...') with open(args.source) as fp: trees = [make_tree(l) for l in fp] trace('extracting leaf nodes ...') word_lists = [extract_words(t) for t in trees] trace('extracting gold operations ...') op_lists = [make_operations(t) for t in trees] trace('making vocabulary ...') word_vocab = Vocabulary.new(word_lists, args.vocab) phrase_set = set() semi_set = set() for tree in trees: phrase_set |= set(extract_phrase_labels(tree)) semi_set |= set(extract_semi_labels(tree)) phrase_vocab = Vocabulary.new([list(phrase_set)], len(phrase_set), add_special_tokens=False) semi_vocab = Vocabulary.new([list(semi_set)], len(semi_set), add_special_tokens=False) trace('converting data ...') word_lists = [convert_word_list(x, word_vocab) for x in word_lists] op_lists = [convert_op_list(x, phrase_vocab, semi_vocab) for x in op_lists] trace('start training ...') parser = Parser( args.vocab, args.embed, args.queue, args.stack, len(phrase_set), len(semi_set), ) if USE_GPU: parser.to_gpu() opt = optimizers.AdaGrad(lr = 0.005) opt.setup(parser) opt.add_hook(optimizer.GradientClipping(5)) for epoch in range(args.epoch): n = 0 for samples in batch(zip(word_lists, op_lists), args.minibatch): parser.zerograds() loss = my_zeros((), np.float32) for word_list, op_list in zip(*samples): trace('epoch %3d, sample %6d:' % (epoch + 1, n + 1)) loss += parser.forward(word_list, op_list, 0) n += 1 loss.backward() opt.update() trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) word_vocab.save(prefix + '.words') phrase_vocab.save(prefix + '.phrases') semi_vocab.save(prefix + '.semiterminals') parser.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', parser) trace('finished.')
def train(args): trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.word_list(args.source), args.vocab) trg_vocab = Vocabulary.new(gens.word_list(args.target), args.vocab) trace('making model ...') attmt = AttentionMT(args.vocab, args.embed, args.hidden) if args.use_gpu: attmt.to_gpu() for epoch in range(args.epoch): trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 gen1 = gens.word_list(args.source) gen2 = gens.word_list(args.target) gen3 = gens.batch( gens.sorted_parallel(gen1, gen2, 100 * args.minibatch), args.minibatch) opt = optimizers.AdaGrad(lr=0.01) opt.setup(attmt) opt.add_hook(optimizer.GradientClipping(5)) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch, loss = forward(src_batch, trg_batch, src_vocab, trg_vocab, attmt, True, 0) loss.backward() opt.update() for k in range(K): trace('epoch %3d/%3d, sample %8d' % (epoch + 1, args.epoch, trained + k + 1)) trace( ' src = ' + ' '.join([x if x != '</s>' else '*' for x in src_batch[k]])) trace( ' trg = ' + ' '.join([x if x != '</s>' else '*' for x in trg_batch[k]])) trace( ' hyp = ' + ' '.join([x if x != '</s>' else '*' for x in hyp_batch[k]])) trained += K trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) src_vocab.save(prefix + '.srcvocab') trg_vocab.save(prefix + '.trgvocab') attmt.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', attmt) trace('finished.')
def train(self): """ Train method If you use the word2vec model, you possible to use the copy weight Optimizer method use the Adagrad """ trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.word_list(self.source), self.vocab) trg_vocab = Vocabulary.new(gens.word_list(self.target), self.vocab) trace('making model ...') self.attention_dialogue = AttentionDialogue(self.vocab, self.embed, self.hidden, self.XP) if self.word2vecFlag: self.copy_model(self.word2vec, self.attention_dialogue.emb) self.copy_model(self.word2vec, self.attention_dialogue.dec, dec_flag=True) for epoch in range(self.epoch): trace('epoch %d/%d: ' % (epoch + 1, self.epoch)) trained = 0 gen1 = gens.word_list(self.source) gen2 = gens.word_list(self.target) gen3 = gens.batch( gens.sorted_parallel(gen1, gen2, 100 * self.minibatch), self.minibatch) opt = optimizers.AdaGrad(lr=0.01) opt.setup(self.attention_dialogue) opt.add_hook(optimizer.GradientClipping(5)) random_number = random.randint(0, self.minibatch - 1) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch, loss = self.forward_implement( src_batch, trg_batch, src_vocab, trg_vocab, self.attention_dialogue, True, 0) loss.backward() opt.update() self.print_out(random_number, epoch, trained, src_batch, trg_batch, hyp_batch) trained += K trace('saving model ...') prefix = self.model model_path = APP_ROOT + "/model/" + prefix src_vocab.save(model_path + '.srcvocab') trg_vocab.save(model_path + '.trgvocab') self.attention_dialogue.save_spec(model_path + '.spec') serializers.save_hdf5(model_path + '.weights', self.attention_dialogue) trace('finished.')
def train(args): if os.path.exists("./model/vocab.bin"): src_vocab = Vocabulary.load("./model/vocab.bin") else: src_vocab = Vocabulary.new(gens.word_list(args.source), args.n_vocab) src_vocab.save('./model/vocab.bin') if os.path.exists("./model/tag.bin"): trg_tag = Vocabulary.load("./model/tag.bin") else: trg_tag = Vocabulary.new(gens.word_list(args.target), args.n_tag) trg_tag.save('./model/tag.bin') print("vocab_len:{}".format(src_vocab.__len__)) print("tag_len:{}".format(trg_tag.__len__)) encdec = BiEncDecLSTM(args.n_vocab, args.layer, args.embed, args.hidden, args.n_tag) optimizer = optimizers.Adam() optimizer.setup(encdec) for e_i in range(args.epoch): tt_list = [[src_vocab.stoi(char) for char in char_arr] for char_arr in gens.word_list(args.source_tr)] tag_list = [ trg_tag.stoi(tag[0]) for tag in gens.word_list(args.target_tr) ] print("{}:{}".format(len(tt_list), len(tag_list))) assert len(tt_list) == len(tag_list) ind_arr = [ri for ri in range(len(tt_list))] random.shuffle(ind_arr) tt_now = (tt_list[ri] for ri in ind_arr) tag_now = (tag_list[ri] for ri in ind_arr) tt_gen = gens.batch(tt_now, args.batchsize) tag_gen = gens.batch(tag_now, args.batchsize) for tt, tag in zip(tt_gen, tag_gen): y_ws = encdec(tt) teac_arr = [src_vocab.itos(t) for t in tt[0]] pred_arr = [trg_tag.itos(y_each.data.argmax(0)) for y_each in y_ws] print("teach:{}:{}:{}".format(teac_arr, trg_tag.itos(tag[0]), pred_arr[0])) tag = xp.array(tag, dtype=xp.int32) loss = F.softmax_cross_entropy(y_ws, tag) encdec.cleargrads() loss.backward() optimizer.update() # loss.backward() # optimizer.target.cleargrads() # loss.backward() # loss.unchain_backward() # optimizer.update() serializers.save_npz('./model/attn_tag_model_{}.npz'.format(e_i), encdec)
def train(self): """ Train method If you use the word2vec model, you possible to use the copy weight Optimizer method use the Adagrad """ trace("making vocabularies ...") src_vocab = Vocabulary.new(gens.word_list(self.source), self.vocab) trg_vocab = Vocabulary.new(gens.word_list(self.target), self.vocab) trace("making model ...") self.attention_dialogue = AttentionDialogue(self.vocab, self.embed, self.hidden, self.XP) if self.word2vecFlag: self.copy_model(self.word2vec, self.attention_dialogue.emb) self.copy_model(self.word2vec, self.attention_dialogue.dec, dec_flag=True) for epoch in range(self.epoch): trace("epoch %d/%d: " % (epoch + 1, self.epoch)) trained = 0 gen1 = gens.word_list(self.source) gen2 = gens.word_list(self.target) gen3 = gens.batch(gens.sorted_parallel(gen1, gen2, 100 * self.minibatch), self.minibatch) opt = optimizers.AdaGrad(lr=0.01) opt.setup(self.attention_dialogue) opt.add_hook(optimizer.GradientClipping(5)) random_number = random.randint(0, self.minibatch - 1) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch, loss = self.forward_implement( src_batch, trg_batch, src_vocab, trg_vocab, self.attention_dialogue, True, 0 ) loss.backward() opt.update() self.print_out(random_number, epoch, trained, src_batch, trg_batch, hyp_batch) trained += K trace("saving model ...") prefix = self.model model_path = APP_ROOT + "/model/" + prefix src_vocab.save(model_path + ".srcvocab") trg_vocab.save(model_path + ".trgvocab") self.attention_dialogue.save_spec(model_path + ".spec") serializers.save_hdf5(model_path + ".weights", self.attention_dialogue) trace("finished.")
def train(self): trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.word_list(self.source), self.vocab) trg_vocab = Vocabulary.new(gens.word_list(self.target), self.vocab) trace('making model ...') encdec = EncoderDecoder(self.vocab, self.embed, self.hidden) if self.word2vecFlag: self.copy_model(self.word2vec, encdec.enc) self.copy_model(self.word2vec, encdec.dec, dec_flag=True) for epoch in range(self.epoch): trace('epoch %d/%d: ' % (epoch + 1, self.epoch)) trained = 0 gen1 = gens.word_list(self.source) gen2 = gens.word_list(self.target) gen3 = gens.batch( gens.sorted_parallel(gen1, gen2, 100 * self.minibatch), self.minibatch) opt = optimizers.AdaGrad(lr=0.01) opt.setup(encdec) opt.add_hook(optimizer.GradientClipping(5)) random_number = random.randint(0, self.minibatch - 1) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) # If you use the ipython note book you hace to use the forward function # hyp_batch, loss = self.forward(src_batch, trg_batch, src_vocab, trg_vocab, encdec, True, 0) hyp_batch, loss = self.forward_implement( src_batch, trg_batch, src_vocab, trg_vocab, encdec, True, 0) loss.backward() opt.update() self.print_out(random_number, epoch, trained, src_batch, trg_batch, hyp_batch) trained += K trace('saving model ...') prefix = self.model src_vocab.save(prefix + '.srcvocab') trg_vocab.save(prefix + '.trgvocab') encdec.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', encdec) trace('finished.')
def train(self): trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.word_list(self.source), self.vocab) trg_vocab = Vocabulary.new(gens.word_list(self.target), self.vocab) trace('making model ...') encdec = EncoderDecoder(self.vocab, self.embed, self.hidden) if self.word2vecFlag: self.copy_model(self.word2vec, encdec.enc) self.copy_model(self.word2vec, encdec.dec, dec_flag=True) else: encdec = self.encdec for epoch in range(self.epoch): trace('epoch %d/%d: ' % (epoch + 1, self.epoch)) trained = 0 gen1 = gens.word_list(self.source) gen2 = gens.word_list(self.target) gen3 = gens.batch(gens.sorted_parallel(gen1, gen2, 100 * self.minibatch), self.minibatch) opt = optimizers.AdaGrad(lr = 0.01) opt.setup(encdec) opt.add_hook(optimizer.GradientClipping(5)) random_number = random.randint(0, self.minibatch - 1) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch, loss = self.forward(src_batch, trg_batch, src_vocab, trg_vocab, encdec, True, 0) loss.backward() opt.update() if trained == 0: self.print_out(random_number, epoch, trained, src_batch, trg_batch, hyp_batch) trained += K trace('saving model ...') prefix = self.model src_vocab.save(prefix + '.srcvocab') trg_vocab.save(prefix + '.trgvocab') encdec.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', encdec) trace('finished.')
def train(args): trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.word_list(args.source), args.vocab) trg_vocab = Vocabulary.new(gens.word_list(args.target), args.vocab) trace('making model ...') attmt = AttentionMT(args.vocab, args.embed, args.hidden) if args.use_gpu: attmt.to_gpu() for epoch in range(args.epoch): trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 gen1 = gens.word_list(args.source) gen2 = gens.word_list(args.target) gen3 = gens.batch(gens.sorted_parallel(gen1, gen2, 100 * args.minibatch), args.minibatch) opt = optimizers.AdaGrad(lr = 0.01) opt.setup(attmt) opt.add_hook(optimizer.GradientClipping(5)) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch, loss = forward(src_batch, trg_batch, src_vocab, trg_vocab, attmt, True, 0) loss.backward() opt.update() for k in range(K): trace('epoch %3d/%3d, sample %8d' % (epoch + 1, args.epoch, trained + k + 1)) trace(' src = ' + ' '.join([x if x != '</s>' else '*' for x in src_batch[k]])) trace(' trg = ' + ' '.join([x if x != '</s>' else '*' for x in trg_batch[k]])) trace(' hyp = ' + ' '.join([x if x != '</s>' else '*' for x in hyp_batch[k]])) trained += K trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) src_vocab.save(prefix + '.srcvocab') trg_vocab.save(prefix + '.trgvocab') attmt.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', attmt) trace('finished.')
def setCateg(self, args): categ_name = "./{}/categ_{}.bin".format(args.dataname, args.dataname) if os.path.exists(categ_name): categ_vocab = Vocabulary.load(categ_name) else: set_cat = set() [[set_cat.add(word) for word in word_arr] for word_arr in gens.word_list(args.category)] n_categ = len(set_cat) + 3 print("n_categ:{}".format(n_categ)) categ_vocab = Vocabulary.new(gens.word_list(args.category), n_categ) categ_vocab.save(categ_name) self.categ_vocab = categ_vocab return categ_vocab
def train_model(args): train_begin = time.time() trace('making vocaburaries ...') vocab = Vocabulary.new(gens.letter_list(args.corpus), args.vocab) trace('begin training ...') model = TransSegmentationModel.new(vocab, args.context, args.hidden, args.labels, args.eta) for epoch in range(args.epoch): epoch_beg = time.time() trace('START epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 total_loss = 0 model.init_optimizer() with open(args.corpus) as fp: for text in fp: word_list = text.split() if not word_list: continue text = ' '.join(word_list) letters = ''.join(word_list) labels, accum_loss_f = model.train(text) total_loss += accum_loss_f trained += 1 hyp = make_hyp(letters, labels) """for 1sentence output trace("accum_loss : %lf"% (accum_loss_f)) trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trace('trained %d: '% trained) trace(text) trace(hyp) """ """ if trained % 100 == 0: trace(' %8d' % trained) """ trace('FINISHED epoch %d/%d: ' % (epoch + 1, args.epoch)) trace('total_loss : %lf'%total_loss) trace('saving model ...') model.save(args.model + '.%03d' % (epoch + 1)) epoch_time = time.time() - epoch_beg trace('elapsed_time/1epoch : %lf'%epoch_time) trace('finished.') elapsed_time = time.time() - train_begin trace('train_time : %lf'%elapsed_time) trace('')
def train_model(args): train_begin = time.time() trace('making vocaburaries ...') vocab = Vocabulary.new(gens.letter_list(args.corpus), args.vocab) trace('begin training ...') model = TransSegmentationModel.new(vocab, args.context, args.hidden, args.labels, args.eta) for epoch in range(args.epoch): epoch_beg = time.time() trace('START epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 total_loss = 0 model.init_optimizer() with open(args.corpus) as fp: for text in fp: word_list = text.split() if not word_list: continue text = ' '.join(word_list) letters = ''.join(word_list) labels, accum_loss_f = model.train(text) total_loss += accum_loss_f trained += 1 hyp = make_hyp(letters, labels) """for 1sentence output trace("accum_loss : %lf"% (accum_loss_f)) trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trace('trained %d: '% trained) trace(text) trace(hyp) """ """ if trained % 100 == 0: trace(' %8d' % trained) """ trace('FINISHED epoch %d/%d: ' % (epoch + 1, args.epoch)) trace('total_loss : %lf' % total_loss) trace('saving model ...') model.save(args.model + '.%03d' % (epoch + 1)) epoch_time = time.time() - epoch_beg trace('elapsed_time/1epoch : %lf' % epoch_time) trace('finished.') elapsed_time = time.time() - train_begin trace('train_time : %lf' % elapsed_time) trace('')
def setVocab(self, args): vocab_name = "./{}/vocab_{}.bin".format(args.dataname, args.dataname) if os.path.exists(vocab_name): src_vocab = Vocabulary.load(vocab_name) else: set_vocab = set() [[set_vocab.add(word) for word in word_arr] for word_arr in gens.word_list(args.source)] n_vocab = len(set_vocab) + 3 print("n_vocab:{}".format(n_vocab)) print("arg_vocab:{}".format(args.n_vocab)) src_vocab = Vocabulary.new(gens.word_list(args.source), args.n_vocab) src_vocab.save(vocab_name) self.vocab = src_vocab return src_vocab
def train_model(self): trace('making vocaburaries ...') src_vocab = Vocabulary.new(gens.word_list(self.source), self.vocab) trg_vocab = Vocabulary.new(gens.word_list(self.target), self.vocab) trace('making model ...') model = self.new(src_vocab, trg_vocab, self.embed, self.hidden, self.parameter_dict) random_number = random.randint(0, self.minibatch) for i_epoch in range(self.epoch): trace('epoch %d/%d: ' % (i_epoch + 1, self.epoch)) trained = 0 gen1 = gens.word_list(self.source) gen2 = gens.word_list(self.target) gen3 = gens.batch( gens.sorted_parallel(gen1, gen2, 100 * self.minibatch), self.minibatch) model.init_optimizer() for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch = model.train(src_batch, trg_batch) if trained == 0: self.print_out(random_number, i_epoch, trained, src_batch, trg_batch, hyp_batch) trained += K trace('saving model ...') model.save("ChainerMachineTranslation" + '.%03d' % (self.epoch + 1)) trace('finished.')
def train_model(args): trace("making vocabularies ...") vocab = Vocabulary.new(gens.letter_list(args.corpus), args.vocab) trace("start training ...") model = SegmentationModel.new(vocab, args.context, args.hidden) for epoch in range(args.epoch): trace("epoch %d/%d: " % (epoch + 1, args.epoch)) trained = 0 model.init_optimizer() with open(args.corpus) as fp: for text in fp: word_list = text.split() if not word_list: continue text = " ".join(word_list) letters = "".join(word_list) scores = model.train(text) trained += 1 hyp = make_hyp(letters, scores) trace(trained) trace(text) trace(hyp) trace(" ".join("%+.1f" % x for x in scores)) if trained % 100 == 0: trace(" %8d" % trained) trace("saveing model ...") model.save(args.model + ".%03d" % (epoch + 1)) trace("finished.")
def train_model(args): trace('making vocabularies ...') vocab = Vocabulary.new(gens.letter_list(args.corpus), args.vocab) trace('start training ...') model = RNNSegmentationModel.new(vocab, args.embed, args.hidden) for epoch in range(args.epoch): trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 model.init_optimizer() with open(args.corpus) as fp: for text in fp: word_list = text.split() if not word_list: continue text = ' '.join(word_list) letters = ''.join(word_list) scores = model.train(text) trained += 1 hyp = make_hyp(letters, scores) trace(trained) trace(text) trace(hyp) trace(' '.join('%+.1f' % x for x in scores)) if trained % 100 == 0: trace(' %8d' % trained) trace('saveing model ...') model.save(args.model + '.%03d' % (epoch + 1)) trace('finished.')
def train(args): trace('loading corpus ...') with open(args.source) as fp: trees = [make_tree(l) for l in fp] trace('extracting leaf nodes ...') word_lists = [extract_words(t) for t in trees] lower_lists = [[w.lower() for w in words] for words in word_lists] trace('extracting gold operations ...') op_lists = [make_operations(t) for t in trees] trace('making vocabulary ...') word_vocab = Vocabulary.new(lower_lists, args.vocab) phrase_set = set() semiterminal_set = set() for tree in trees: phrase_set |= set(extract_phrase_labels(tree)) semiterminal_set |= set(extract_semiterminals(tree)) phrase_vocab = Vocabulary.new([list(phrase_set)], len(phrase_set), add_special_tokens=False) semiterminal_vocab = Vocabulary.new([list(semiterminal_set)], len(semiterminal_set), add_special_tokens=False) trace('converting data ...') word_lists = [convert_word_list(x, word_vocab) for x in word_lists] op_lists = [ convert_op_list(x, phrase_vocab, semiterminal_vocab) for x in op_lists ] trace('start training ...') parser = Parser( args.vocab, args.embed, args.char_embed, args.queue, args.stack, args.srstate, len(phrase_set), len(semiterminal_set), ) if args.use_gpu: parser.to_gpu() opt = optimizers.SGD(lr=0.1) opt.setup(parser) opt.add_hook(optimizer.GradientClipping(10)) opt.add_hook(optimizer.WeightDecay(0.0001)) batch_set = list(zip(word_lists, op_lists)) for epoch in range(args.epoch): n = 0 random.shuffle(batch_set) for samples in batch(batch_set, args.minibatch): parser.zerograds() loss = XP.fzeros(()) for word_list, op_list in zip(*samples): trace('epoch %3d, sample %6d:' % (epoch + 1, n + 1)) loss += parser.forward_train(word_list, op_list) n += 1 loss.backward() opt.update() trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) word_vocab.save(prefix + '.words') phrase_vocab.save(prefix + '.phrases') semiterminal_vocab.save(prefix + '.semiterminals') parser.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', parser) opt.lr *= 0.92 trace('finished.')
def train(args): trace('loading corpus ...') with open(args.source) as fp: trees = [make_tree(l) for l in fp] trace('extracting leaf nodes ...') word_lists = [extract_words(t) for t in trees] lower_lists = [[w.lower() for w in words] for words in word_lists] trace('extracting gold operations ...') op_lists = [make_operations(t) for t in trees] trace('making vocabulary ...') word_vocab = Vocabulary.new(lower_lists, args.vocab) phrase_set = set() semiterminal_set = set() for tree in trees: phrase_set |= set(extract_phrase_labels(tree)) semiterminal_set |= set(extract_semiterminals(tree)) phrase_vocab = Vocabulary.new([list(phrase_set)], len(phrase_set), add_special_tokens=False) semiterminal_vocab = Vocabulary.new([list(semiterminal_set)], len(semiterminal_set), add_special_tokens=False) trace('converting data ...') word_lists = [to_vram_words(convert_word_list(x, word_vocab)) for x in word_lists] op_lists = [to_vram_ops(convert_op_list(x, phrase_vocab, semiterminal_vocab)) for x in op_lists] trace('start training ...') parser = Parser( args.vocab, args.embed, args.char_embed, args.queue, args.stack, args.srstate, len(phrase_set), len(semiterminal_set), ) if args.use_gpu: parser.to_gpu() opt = optimizers.SGD(lr = 0.1) opt.setup(parser) opt.add_hook(optimizer.GradientClipping(10)) opt.add_hook(optimizer.WeightDecay(0.0001)) batch_set = list(zip(word_lists, op_lists)) for epoch in range(args.epoch): n = 0 random.shuffle(batch_set) for samples in batch(batch_set, args.minibatch): parser.zerograds() loss = XP.fzeros(()) embed_cache = {} for word_list, op_list in zip(*samples): trace('epoch %3d, sample %6d:' % (epoch + 1, n + 1)) loss += parser.forward(word_list, op_list, 0, embed_cache) n += 1 loss.backward() opt.update() trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) word_vocab.save(prefix + '.words') phrase_vocab.save(prefix + '.phrases') semiterminal_vocab.save(prefix + '.semiterminals') parser.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', parser) opt.lr *= 0.92 trace('finished.')
def train(args): trace('making vocabularies ...') src_vocab = Vocabulary.new(gens.input_word_list(), args.vocab) trg_vocab = Vocabulary.new(gens.output_word_list(), args.vocab) trace('making model ...') encdec = EncoderDecoder(args.vocab, args.embed, args.hidden) if args.load_model != "": print("model load %s ... " % (args.load_model)) src_vocab = Vocabulary.load(args.load_model + '.srcvocab') trg_vocab = Vocabulary.load(args.load_model + '.trgvocab') encdec = EncoderDecoder.load_spec(args.load_model + '.spec') serializers.load_hdf5(args.load_model + '.weights', encdec) if args.use_gpu: encdec.to_gpu() for epoch in range(args.epoch): trace('epoch %d/%d: ' % (epoch + 1, args.epoch)) trained = 0 gen1 = gens.input_word_list() gen2 = gens.output_word_list() gen3 = gens.batch( gens.sorted_parallel(gen1, gen2, 100 * args.minibatch), args.minibatch) opt = optimizers.AdaGrad(lr=0.01) opt.setup(encdec) opt.add_hook(optimizer.GradientClipping(5)) for src_batch, trg_batch in gen3: src_batch = fill_batch(src_batch) trg_batch = fill_batch(trg_batch) K = len(src_batch) hyp_batch, loss = forward(src_batch, trg_batch, src_vocab, trg_vocab, encdec, True, 0) loss.backward() opt.update() for k in range(K): trace('epoch %3d/%3d, sample %8d' % (epoch + 1, args.epoch, trained + k + 1)) trace( ' src = ' + ' '.join([x if x != '</s>' else '*' for x in src_batch[k]])) trace( ' trg = ' + ' '.join([x if x != '</s>' else '*' for x in trg_batch[k]])) trace( ' hyp = ' + ' '.join([x if x != '</s>' else '*' for x in hyp_batch[k]])) trained += K if epoch % args.model_save_timing == 0: trace('saving model ...') prefix = args.model + '.%03.d' % (epoch + 1) src_vocab.save(prefix + '.srcvocab') trg_vocab.save(prefix + '.trgvocab') encdec.save_spec(prefix + '.spec') serializers.save_hdf5(prefix + '.weights', encdec) trace('finished.')