def main(_):
model = BERT_NER(param)
model.build(input_shape=(4, param.batch_size, param.maxlen))
model.summary()
# 写入数据 通过check_exist=True参数控制仅在第一次调用时写入
writer = TFWriter(param.maxlen,
vocab_file,
data_dir=FLAGS.data_dir,
modes=["test"],
check_exist=True)
ner_load = TFLoader(param.maxlen,
param.batch_size,
data_dir=FLAGS.data_dir)
# Metrics
f1score = Metric.SparseF1Score("macro", predict_sparse=True)
precsionscore = Metric.SparsePrecisionScore("macro", predict_sparse=True)
recallscore = Metric.SparseRecallScore("macro", predict_sparse=True)
accuarcyscore = Metric.SparseAccuracy(predict_sparse=True)
# 保存模型
checkpoint = tf.train.Checkpoint(model=model)
checkpoint.restore(tf.train.latest_checkpoint('./save'))
# For test model
# print(dir(checkpoint))
Batch = 0
f1s = []
precisions = []
recalls = []
accuracys = []
for X, token_type_id, input_mask, Y in ner_load.load_test():
predict = model.predict([X, token_type_id, input_mask,
Y]) # [batch_size, max_length,label_size]
f1s.append(f1score(Y, predict))
precisions.append(precsionscore(Y, predict))
recalls.append(recallscore(Y, predict))
accuracys.append(accuarcyscore(Y, predict))
print("Sentence",
writer.convert_id_to_vocab(tf.reshape(X, [-1]).numpy()))
print("Label",
writer.convert_id_to_label(tf.reshape(predict, [-1]).numpy()))
print("f1:{}\tprecision:{}\trecall:{}\taccuracy:{}\n".format(
np.mean(f1s), np.mean(precisions), np.mean(recalls),
np.mean(accuracys)))
model = BERT_NER(param)
model.build(input_shape=(3, param.batch_size, param.maxlen))
model.summary()
# 写入数据 通过check_exist=True参数控制仅在第一次调用时写入
writer = TFWriter(param.maxlen, vocab_file,
modes=["valid"], check_exist=False)
ner_load = TFLoader(param.maxlen, param.batch_size, epoch=3)
# Metrics
f1score = Metric.SparseF1Score(average="macro")
precsionscore = Metric.SparsePrecisionScore(average="macro")
recallscore = Metric.SparseRecallScore(average="macro")
accuarcyscore = Metric.SparseAccuracy()
# 保存模型
checkpoint = tf.train.Checkpoint(model=model)
checkpoint.restore(tf.train.latest_checkpoint('./save'))
# For test model
Batch = 0
f1s = []
precisions = []
recalls = []
accuracys = []
for X, token_type_id, input_mask, Y in ner_load.load_valid():
predict = model.predict([X, token_type_id, input_mask]) # [batch_size, max_length,label_size]
# predict = tf.argmax(output, -1)
model_path,
param.num_hidden_layers,
pooler=False)
# 写入数据 通过check_exist=True参数控制仅在第一次调用时写入
writer = TFWriter(param.maxlen, vocab_file, modes=["train"], check_exist=False)
ner_load = TFLoader(param.maxlen, param.batch_size, epoch=5)
# 训练模型
# 使用tensorboard
summary_writer = tf.summary.create_file_writer("./tensorboard")
# Metrics
f1score = Metric.SparseF1Score(average="macro", predict_sparse=True)
precsionscore = Metric.SparsePrecisionScore(average="macro",
predict_sparse=True)
recallscore = Metric.SparseRecallScore(average="macro", predict_sparse=True)
accuarcyscore = Metric.SparseAccuracy(predict_sparse=True)
# 保存模型
checkpoint = tf.train.Checkpoint(model=model)
manager = tf.train.CheckpointManager(checkpoint,
directory="./save",
checkpoint_name="model.ckpt",
max_to_keep=3)
# For train model
Batch = 0
for X, token_type_id, input_mask, Y in ner_load.load_train():
with tf.GradientTape(persistent=True) as tape:
loss, predict = model([X, token_type_id, input_mask, Y])
model = BERT_NER(param)
model.build(input_shape=(param.batch_size, param.maxlen))
model.summary()
# 写入数据 通过check_exist=True参数控制仅在第一次调用时写入
writer = TFWriter(param.maxlen, vocab_file, modes=["valid"], check_exist=True)
ner_load = TFLoader(param.maxlen, param.batch_size)
# Metrics
f1score = Metric.SparseF1Score("macro")
precsionscore = Metric.SparsePrecisionScore("macro")
recallscore = Metric.SparseRecallScore("macro")
accuarcyscore = Metric.SparseAccuracy()
# 保存模型
checkpoint = tf.train.Checkpoint(model=model)
checkpoint.restore(tf.train.latest_checkpoint('./save'))
# For test model
# print(dir(checkpoint))
Batch = 0
f1s = []
precisions = []
recalls = []
accuracys = []
for X, token_type_id, input_mask, Y in ner_load.load_valid():
predict = model.predict([X, token_type_id, input_mask
def main(_):
model = BERT_NER(param)
model.build(input_shape=(4, param.batch_size, param.maxlen))
model.summary()
# 构建优化器
optimizer_bert = optim.AdamWarmup(learning_rate=2e-5, # 重要参数
decay_steps=10000, # 重要参数
warmup_steps=1000, )
optimizer_crf = optim.AdamWarmup(learning_rate=1e-3,
decay_steps=10000, # 重要参数
warmup_steps=1000,
)
#
# 初始化参数
bert_init_weights_from_checkpoint(model,
model_path,
param.num_hidden_layers,
pooler=False)
# 写入数据 通过check_exist=True参数控制仅在第一次调用时写入
writer = TFWriter(param.maxlen, vocab_file, data_dir=FLAGS.data_dir,
modes=["train"], check_exist=False)
ner_load = TFLoader(param.maxlen, param.batch_size, data_dir=FLAGS.data_dir, epoch=5)
# 训练模型
# 使用tensorboard
summary_writer = tf.summary.create_file_writer("./tensorboard")
# Metrics
f1score = Metric.SparseF1Score(average="macro", predict_sparse=True)
precsionscore = Metric.SparsePrecisionScore(average="macro", predict_sparse=True)
recallscore = Metric.SparseRecallScore(average="macro", predict_sparse=True)
accuarcyscore = Metric.SparseAccuracy(predict_sparse=True)
# 保存模型
checkpoint = tf.train.Checkpoint(model=model)
manager = tf.train.CheckpointManager(checkpoint, directory="./save",
checkpoint_name="model.ckpt",
max_to_keep=3)
# For train model
Batch = 0
for X, token_type_id, input_mask, Y in ner_load.load_train():
with tf.GradientTape(persistent=True) as tape:
loss, predict = model([X, token_type_id, input_mask, Y])
f1 = f1score(Y, predict)
precision = precsionscore(Y, predict)
recall = recallscore(Y, predict)
accuracy = accuarcyscore(Y, predict)
if Batch % 101 == 0:
print("Batch:{}\tloss:{:.4f}".format(Batch, loss.numpy()))
print("Batch:{}\tacc:{:.4f}".format(Batch, accuracy))
print("Batch:{}\tprecision{:.4f}".format(Batch, precision))
print("Batch:{}\trecall:{:.4f}".format(Batch, recall))
print("Batch:{}\tf1score:{:.4f}".format(Batch, f1))
print("Sentence", writer.convert_id_to_vocab(tf.reshape(X, [-1]).numpy()))
print("predict", writer.convert_id_to_label(tf.reshape(predict, [-1]).numpy()))
print("label", writer.convert_id_to_label(tf.reshape(Y, [-1]).numpy()))
manager.save(checkpoint_number=Batch)
with summary_writer.as_default():
tf.summary.scalar("loss", loss, step=Batch)
tf.summary.scalar("acc", accuracy, step=Batch)
tf.summary.scalar("f1", f1, step=Batch)
tf.summary.scalar("precision", precision, step=Batch)
tf.summary.scalar("recall", recall, step=Batch)
grads_bert = tape.gradient(loss, model.bert.variables + model.dense.variables)
grads_crf = tape.gradient(loss, model.crf.variables)
optimizer_bert.apply_gradients(grads_and_vars=zip(grads_bert, model.bert.variables + model.dense.variables))
optimizer_crf.apply_gradients(grads_and_vars=zip(grads_crf, model.crf.variables))
Batch += 1
model.save("model_save")