def do_train(args):
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
# Create dataset, tokenizer and dataloader.
if args.dataset == "peoples_daily_ner":
raw_datasets = load_dataset(args.dataset)
else:
raw_datasets = load_dataset(args.dataset)
AutoForTokenClassification, AutoTokenizer = MODEL_CLASSES[args.model_type]
tokenizer = AutoTokenizer.from_pretrained(args.model_name_or_path)
train_ds = raw_datasets['train']
label_list = train_ds.features['ner_tags'].feature.names
label_num = len(label_list)
no_entity_id = 0
def tokenize_and_align_labels(examples):
tokenized_inputs = tokenizer(
examples['tokens'],
max_seq_len=args.max_seq_length,
# We use this argument because the texts in our dataset are lists of words (with a label for each word).
is_split_into_words=True,
return_length=True)
labels = []
for i, label in enumerate(examples['ner_tags']):
label_ids = label
if len(tokenized_inputs['input_ids'][i]) - 2 < len(label_ids):
label_ids = label_ids[:len(tokenized_inputs['input_ids'][i]) -
2]
label_ids = [no_entity_id] + label_ids + [no_entity_id]
label_ids += [no_entity_id] * (
len(tokenized_inputs['input_ids'][i]) - len(label_ids))
labels.append(label_ids)
tokenized_inputs["labels"] = labels
return tokenized_inputs
train_ds = train_ds.select(range(len(train_ds) - 1))
column_names = train_ds.column_names
train_ds = train_ds.map(tokenize_and_align_labels,
batched=True,
remove_columns=column_names)
ignore_label = -100
batchify_fn = DataCollatorForTokenClassification(
tokenizer=tokenizer, label_pad_token_id=ignore_label)
train_batch_sampler = paddle.io.DistributedBatchSampler(
train_ds, batch_size=args.batch_size, shuffle=True, drop_last=True)
train_data_loader = DataLoader(dataset=train_ds,
collate_fn=batchify_fn,
num_workers=0,
batch_sampler=train_batch_sampler,
return_list=True)
test_ds = raw_datasets['test']
test_ds = test_ds.select(range(len(test_ds) - 1))
test_ds = test_ds.map(tokenize_and_align_labels,
batched=True,
remove_columns=column_names)
test_data_loader = DataLoader(dataset=test_ds,
collate_fn=batchify_fn,
num_workers=0,
batch_size=args.batch_size,
return_list=True)
if args.dataset == "peoples_daily_ner":
dev_ds = raw_datasets['validation']
dev_ds = dev_ds.select(range(len(dev_ds) - 1))
dev_ds = dev_ds.map(tokenize_and_align_labels,
batched=True,
remove_columns=column_names)
dev_data_loader = DataLoader(dataset=dev_ds,
collate_fn=batchify_fn,
num_workers=0,
batch_size=args.batch_size,
return_list=True)
# Define the model netword and its loss
model = AutoForTokenClassification.from_pretrained(args.model_name_or_path,
num_classes=label_num)
if paddle.distributed.get_world_size() > 1:
model = paddle.DataParallel(model)
num_training_steps = args.max_steps if args.max_steps > 0 else len(
train_data_loader) * args.num_train_epochs
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps, args.warmup_steps)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params)
loss_fct = paddle.nn.loss.CrossEntropyLoss(ignore_index=ignore_label)
metric = ChunkEvaluator(label_list=label_list)
global_step = 0
last_step = args.num_train_epochs * len(train_data_loader)
tic_train = time.time()
for epoch in range(args.num_train_epochs):
for step, batch in enumerate(train_data_loader):
global_step += 1
logits = model(batch['input_ids'], batch['token_type_ids'])
loss = loss_fct(logits, batch['labels'])
avg_loss = paddle.mean(loss)
if global_step % args.logging_steps == 0:
print(
"global step %d, epoch: %d, batch: %d, loss: %f, speed: %.2f step/s"
% (global_step, epoch, step, avg_loss, args.logging_steps /
(time.time() - tic_train)))
tic_train = time.time()
avg_loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.save_steps == 0 or global_step == num_training_steps:
if paddle.distributed.get_rank() == 0:
if args.dataset == "peoples_daily_ner":
evaluate(model, loss_fct, metric, dev_data_loader,
label_num, "valid")
evaluate(model, loss_fct, metric, test_data_loader,
label_num, "test")
paddle.save(
model.state_dict(),
os.path.join(args.output_dir,
"model_%d.pdparams" % global_step))
if global_step >= num_training_steps:
return
def run(args):
if args.do_train:
assert args.batch_size % args.gradient_accumulation_steps == 0, \
"Please make sure argmument `batch_size` must be divisible by `gradient_accumulation_steps`."
max_seq_length = args.max_seq_length
max_num_choices = 4
def preprocess_function(examples, do_predict=False):
def _truncate_seq_tuple(tokens_a, tokens_b, tokens_c, max_length):
"""Truncates a sequence tuple in place to the maximum length."""
# This is a simple heuristic which will always truncate the longer
# sequence one token at a time. This makes more sense than
# truncating an equal percent of tokens from each, since if one
# sequence is very short then each token that's truncated likely
# contains more information than a longer sequence.
while True:
total_length = len(tokens_a) + len(tokens_b) + len(tokens_c)
if total_length <= max_length:
break
if len(tokens_a) >= len(tokens_b) and len(tokens_a) >= len(
tokens_c):
tokens_a.pop()
elif len(tokens_b) >= len(tokens_a) and len(tokens_b) >= len(
tokens_c):
tokens_b.pop()
else:
tokens_c.pop()
num_examples = len(examples.data["question"])
if do_predict:
result = {"input_ids": [], "token_type_ids": []}
else:
result = {"input_ids": [], "token_type_ids": [], "labels": []}
for idx in range(num_examples):
text = '\n'.join(examples.data["context"][idx]).lower()
question = examples.data["question"][idx].lower()
choice_list = examples.data["choice"][idx]
choice_list = [choice.lower()
for choice in choice_list][:max_num_choices]
if not do_predict:
answer = examples.data["answer"][idx].lower()
label = choice_list.index(answer)
tokens_t = tokenizer.tokenize(text)
tokens_q = tokenizer.tokenize(question)
tokens_t_list = []
tokens_c_list = []
# Pad each new example for axis=1, [batch_size, num_choices, seq_len]
while len(choice_list) < max_num_choices:
choice_list.append('无效答案')
for choice in choice_list:
tokens_c = tokenizer.tokenize(choice.lower())
_truncate_seq_tuple(tokens_t, tokens_q, tokens_c,
max_seq_length - 4)
tokens_c = tokens_q + ["[SEP]"] + tokens_c
tokens_t_list.append(tokens_t)
tokens_c_list.append(tokens_c)
new_data = tokenizer(
tokens_t_list,
text_pair=tokens_c_list,
is_split_into_words=True)
# Pad each new example for axis=2 of [batch_size, num_choices, seq_len],
# because length of each choice could be different.
input_ids = Pad(
axis=0, pad_val=tokenizer.pad_token_id)(new_data["input_ids"])
token_type_ids = Pad(
axis=0,
pad_val=tokenizer.pad_token_id)(new_data["token_type_ids"])
# Final shape of input_ids: [batch_size, num_choices, seq_len]
result["input_ids"].append(input_ids)
result["token_type_ids"].append(token_type_ids)
if not do_predict:
result["labels"].append([label])
if (idx + 1) % 1000 == 0:
logger.info("%d samples have been processed." % (idx + 1))
return result
paddle.set_device(args.device)
set_seed(args)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
tokenizer = AutoTokenizer.from_pretrained(args.model_name_or_path)
model = AutoModelForMultipleChoice.from_pretrained(
args.model_name_or_path, num_choices=max_num_choices)
if paddle.distributed.get_world_size() > 1:
model = paddle.DataParallel(model)
train_ds, dev_ds, test_ds = load_dataset(
"clue", "c3", split=["train", "validation", "test"])
if args.do_train:
args.batch_size = int(args.batch_size /
args.gradient_accumulation_steps)
column_names = train_ds.column_names
with main_process_first(desc="train dataset map pre-processing"):
train_ds = train_ds.map(
preprocess_function,
batched=True,
batch_size=len(train_ds),
num_proc=args.num_proc,
remove_columns=column_names,
load_from_cache_file=not args.overwrite_cache,
desc="Running tokenizer on train dataset")
batchify_fn = lambda samples, fn=Dict({
'input_ids': Pad(axis=1, pad_val=tokenizer.pad_token_id), # input
'token_type_ids': Pad(axis=1, pad_val=tokenizer.pad_token_type_id), # segment
'labels': Stack(dtype="int64") # label
}): fn(samples)
train_batch_sampler = paddle.io.DistributedBatchSampler(
train_ds, batch_size=args.batch_size, shuffle=True)
train_data_loader = paddle.io.DataLoader(
dataset=train_ds,
batch_sampler=train_batch_sampler,
collate_fn=batchify_fn,
num_workers=0,
return_list=True)
with main_process_first(desc="evaluate dataset map pre-processing"):
dev_ds = dev_ds.map(preprocess_function,
batched=True,
batch_size=len(dev_ds),
remove_columns=column_names,
num_proc=args.num_proc,
load_from_cache_file=args.overwrite_cache,
desc="Running tokenizer on validation dataset")
dev_batch_sampler = paddle.io.BatchSampler(
dev_ds, batch_size=args.eval_batch_size, shuffle=False)
dev_data_loader = paddle.io.DataLoader(
dataset=dev_ds,
batch_sampler=dev_batch_sampler,
collate_fn=batchify_fn,
return_list=True)
num_training_steps = int(
args.max_steps /
args.gradient_accumulation_steps) if args.max_steps >= 0 else int(
len(train_data_loader) * args.num_train_epochs /
args.gradient_accumulation_steps)
warmup = args.warmup_steps if args.warmup_steps > 0 else args.warmup_proportion
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps, warmup)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
grad_clip = paddle.nn.ClipGradByGlobalNorm(args.max_grad_norm)
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params,
grad_clip=grad_clip)
loss_fct = paddle.nn.loss.CrossEntropyLoss()
metric = paddle.metric.Accuracy()
model.train()
global_step = 0
best_acc = 0.0
tic_train = time.time()
for epoch in range(args.num_train_epochs):
for step, batch in enumerate(train_data_loader):
input_ids, segment_ids, label = batch
logits = model(input_ids=input_ids, token_type_ids=segment_ids)
loss = loss_fct(logits, label)
if args.gradient_accumulation_steps > 1:
loss = loss / args.gradient_accumulation_steps
loss.backward()
if (step + 1) % args.gradient_accumulation_steps == 0:
global_step += 1
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.logging_steps == 0:
logger.info(
"global step %d/%d, epoch: %d, batch: %d, rank_id: %s, loss: %f, lr: %.10f, speed: %.4f step/s"
% (global_step, num_training_steps, epoch, step + 1,
paddle.distributed.get_rank(), loss,
optimizer.get_lr(),
args.logging_steps / (time.time() - tic_train)))
tic_train = time.time()
if global_step >= num_training_steps:
logger.info("best_result: %.2f" % (best_acc * 100))
return
tic_eval = time.time()
acc = evaluation(model, loss_fct, dev_data_loader, metric)
logger.info("eval acc: %.5f, eval done total : %s s" %
(acc, time.time() - tic_eval))
if paddle.distributed.get_rank() == 0 and acc > best_acc:
best_acc = acc
if args.save_best_model:
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
if not os.path.exists(args.output_dir):
os.makedirs(args.output_dir)
model_to_save.save_pretrained(args.output_dir)
tokenizer.save_pretrained(args.output_dir)
logger.info("best_result: %.2f" % (best_acc * 100))
if args.do_predict:
column_names = test_ds.column_names
test_ds = test_ds.map(partial(
preprocess_function, do_predict=True),
batched=True,
batch_size=len(test_ds),
remove_columns=column_names,
num_proc=args.num_proc)
# Serveral samples have more than four choices.
test_batch_sampler = paddle.io.BatchSampler(
test_ds, batch_size=1, shuffle=False)
batchify_fn = lambda samples, fn=Dict({
'input_ids': Pad(axis=1, pad_val=tokenizer.pad_token_id), # input
'token_type_ids': Pad(axis=1, pad_val=tokenizer.pad_token_type_id), # segment
}): fn(samples)
test_data_loader = paddle.io.DataLoader(
dataset=test_ds,
batch_sampler=test_batch_sampler,
collate_fn=batchify_fn,
return_list=True)
if not os.path.exists(args.output_dir):
os.makedirs(args.output_dir)
f = open(os.path.join(args.output_dir, "c311_predict.json"), 'w')
result = {}
idx = 0
for step, batch in enumerate(test_data_loader):
input_ids, segment_ids = batch
with paddle.no_grad():
logits = model(input_ids, segment_ids)
preds = paddle.argmax(logits, axis=1).numpy().tolist()
for pred in preds:
result[str(idx)] = pred
j = json.dumps({"id": idx, "label": pred})
f.write(j + "\n")
idx += 1
def do_train(args):
# Initialization for the parallel enviroment
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
worker_index = paddle.distributed.get_rank()
worker_num = paddle.distributed.get_world_size()
# Set the random seed for the training process
set_seed(args)
worker_init = WorkerInitObj(args.seed + worker_index)
# Get the model class and tokenizer class
args.model_type = args.model_type.lower()
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
# Define the pretrain model and metric
pretrained_models_list = list(
model_class.pretrained_init_configuration.keys())
if args.model_name_or_path in pretrained_models_list:
model = BigBirdForPretraining(
BigBirdModel(**model_class.pretrained_init_configuration[
args.model_name_or_path]))
else:
model = BigBirdForPretraining.from_pretrained(args.model_name_or_path)
# Get bigbird config for generate random attention mask
config = getattr(model, BigBirdForPretraining.base_model_prefix).config
criterion = BigBirdPretrainingCriterion(config["vocab_size"], args.use_nsp)
if worker_num > 1:
model = paddle.DataParallel(model)
# Define learing_rate scheduler and optimizer
lr_scheduler = LinearDecayWithWarmup(args.learning_rate, args.max_steps,
args.warmup_steps)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params)
global_step = 0
tic_train = time.time()
for epoch in range(args.epochs):
files = [
os.path.join(args.input_dir, f) for f in os.listdir(args.input_dir)
]
files.sort()
num_files = len(files)
for f_id in range(num_files):
train_data_loader = create_dataloader(files[f_id], tokenizer,
worker_init, args.batch_size,
args.max_encoder_length,
args.max_pred_length, config)
for step, batch in enumerate(train_data_loader):
global_step += 1
(input_ids, segment_ids, masked_lm_positions, masked_lm_ids,
masked_lm_weights, next_sentence_labels,
masked_lm_scale) = batch[:7]
rand_mask_idx_list = batch[7:]
prediction_scores, seq_relationship_score = model(
input_ids=input_ids,
token_type_ids=segment_ids,
rand_mask_idx_list=rand_mask_idx_list,
masked_positions=masked_lm_positions)
loss = criterion(prediction_scores, seq_relationship_score,
masked_lm_ids, next_sentence_labels,
masked_lm_scale, masked_lm_weights)
if global_step % args.logging_steps == 0 and worker_index == 0:
logger.info(
"global step %d, epoch: %d, lr: %.10f, loss: %f, speed: %.2f step/s"
% (global_step, epoch, optimizer.get_lr(), loss,
args.logging_steps / (time.time() - tic_train)))
tic_train = time.time()
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.save_steps == 0:
if worker_index == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# Need better way to get inner model of DataParallel
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
model_to_save.save_pretrained(output_dir)
tokenizer.save_pretrained(output_dir)
paddle.save(
optimizer.state_dict(),
os.path.join(output_dir, "model_state.pdopt"))
if global_step >= args.max_steps:
del train_data_loader
return
del train_data_loader
def main(args):
paddle.seed(12345)
# load config
config = load_yaml(args.config_yaml)
config["config_abs_dir"] = args.abs_dir
# load static model class
static_model_class = load_static_model_class(config)
input_data = static_model_class.create_feeds()
input_data_names = [data.name for data in input_data]
fetch_vars = static_model_class.net(input_data)
#infer_target_var = model.infer_target_var
logger.info("cpu_num: {}".format(os.getenv("CPU_NUM")))
static_model_class.create_optimizer()
use_gpu = config.get("runner.use_gpu", True)
use_auc = config.get("runner.use_auc", False)
train_data_dir = config.get("runner.train_data_dir", None)
epochs = config.get("runner.epochs", None)
print_interval = config.get("runner.print_interval", None)
model_save_path = config.get("runner.model_save_path", "model_output")
model_init_path = config.get("runner.model_init_path", None)
batch_size = config.get("runner.train_batch_size", None)
os.environ["CPU_NUM"] = str(config.get("runner.thread_num", 1))
logger.info("**************common.configs**********")
logger.info(
"use_gpu: {}, train_data_dir: {}, epochs: {}, print_interval: {}, model_save_path: {}".
format(use_gpu, train_data_dir, epochs, print_interval,
model_save_path))
logger.info("**************common.configs**********")
place = paddle.set_device('gpu' if use_gpu else 'cpu')
exe = paddle.static.Executor(place)
# initialize
exe.run(paddle.static.default_startup_program())
last_epoch_id = config.get("last_epoch", -1)
train_dataloader = create_data_loader(config=config, place=place)
for epoch_id in range(last_epoch_id + 1, epochs):
epoch_begin = time.time()
interval_begin = time.time()
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
reader_start = time.time()
if use_auc:
reset_auc()
for batch_id, batch_data in enumerate(train_dataloader()):
train_reader_cost += time.time() - reader_start
train_start = time.time()
fetch_batch_var = exe.run(
program=paddle.static.default_main_program(),
feed=dict(zip(input_data_names, batch_data)),
fetch_list=[var for _, var in fetch_vars.items()])
train_run_cost += time.time() - train_start
total_samples += batch_size
if batch_id % print_interval == 0:
metric_str = ""
for var_idx, var_name in enumerate(fetch_vars):
metric_str += "{}: {}, ".format(var_name,
fetch_batch_var[var_idx])
logger.info(
"epoch: {}, batch_id: {}, ".format(epoch_id,
batch_id) + metric_str +
"avg_reader_cost: {:.5f} sec, avg_batch_cost: {:.5f} sec, avg_samples: {:.5f}, ips: {:.5f} images/sec".
format(train_reader_cost / print_interval, (
train_reader_cost + train_run_cost) / print_interval,
total_samples / print_interval, total_samples / (
train_reader_cost + train_run_cost)))
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
reader_start = time.time()
metric_str = ""
for var_idx, var_name in enumerate(fetch_vars):
metric_str += "{}: {}, ".format(var_name, fetch_batch_var[var_idx])
logger.info("epoch: {} done, ".format(epoch_id) + metric_str +
"epoch time: {:.2f} s".format(time.time() - epoch_begin))
save_static_model(
paddle.static.default_main_program(),
model_save_path,
epoch_id,
prefix='rec_static')
* @file test.py * @author [email protected] * @date 2020-12-30 15:53 * @brief * **************************************************************************/ """ import sys import numpy as np import paddle from paddle.distributed import ReduceOp from paddle.distributed import init_parallel_env from dist_utils import run_priority types = [np.float16, np.float32, np.float64, np.int32, np.int64] paddle.set_device('gpu:%d' % paddle.distributed.ParallelEnv().dev_id) init_parallel_env() @run_priority(level='P0') def test_all_reduce_max(): """all reduce max""" for t in types: if paddle.distributed.ParallelEnv().local_rank == 0: np_data = np.array([[4, 5, 6], [4, 5, 6]]).astype(t) else: np_data = np.array([[1, 2, 3], [1, 2, 3]]).astype(t) data = paddle.to_tensor(np_data) paddle.distributed.all_reduce(data, ReduceOp.MAX) out = data.numpy() assert out[0][0] == 4
def do_predict(args):
paddle.set_device("gpu" if args.use_gpu else "cpu")
train_ds, predict_ds = load_dataset(
'msra_ner', splits=('train', 'test'), lazy=False)
tokenizer = BertTokenizer.from_pretrained(args.model_name_or_path)
label_list = train_ds.label_list
label_num = len(label_list)
no_entity_id = label_num - 1
trans_func = partial(
tokenize_and_align_labels,
tokenizer=tokenizer,
no_entity_id=no_entity_id,
max_seq_len=args.max_seq_length)
ignore_label = -100
batchify_fn = lambda samples, fn=Dict({
'input_ids': Pad(axis=0, pad_val=tokenizer.pad_token_id), # input
'token_type_ids': Pad(axis=0, pad_val=tokenizer.pad_token_type_id), # segment
'seq_len': Stack(),
'labels': Pad(axis=0, pad_val=ignore_label) # label
}): fn(samples)
raw_data = predict_ds.data
id2label = dict(enumerate(predict_ds.label_list))
predict_ds = predict_ds.map(trans_func)
predict_data_loader = DataLoader(
dataset=predict_ds,
collate_fn=batchify_fn,
num_workers=0,
batch_size=args.batch_size,
return_list=True)
model = BertForTokenClassification.from_pretrained(
args.model_name_or_path, num_classes=label_num)
if args.init_checkpoint_path:
model_dict = paddle.load(args.init_checkpoint_path)
model.set_dict(model_dict)
model.eval()
pred_list = []
len_list = []
for step, batch in enumerate(predict_data_loader):
input_ids, token_type_ids, length, labels = batch
logits = model(input_ids, token_type_ids)
pred = paddle.argmax(logits, axis=-1)
pred_list.append(pred.numpy())
len_list.append(length.numpy())
preds = parse_decodes(raw_data, id2label, pred_list, len_list)
file_path = "results.txt"
with open(file_path, "w", encoding="utf8") as fout:
fout.write("\n".join(preds))
# Print some examples
print(
"The results have been saved in the file: %s, some examples are shown below: "
% file_path)
print("\n".join(preds[:10]))
#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import print_function
from __future__ import division
import paddle
import paddle.fluid as fluid
import numpy as np
from zhusuan.distributions.base import *
import unittest
device = paddle.set_device('gpu')
paddle.disable_static(device)
class Dist(Distribution):
def __init__(self,
dtype='float32',
param_dtype='float32',
group_ndims=0,
shape_fully_defined=True,
**kwargs):
super(Dist, self).__init__(dtype,
param_dtype,
is_continuous=True,
is_reparameterized=True,
group_ndims=group_ndims,
**kwargs)
self._shape_fully_defined = shape_fully_defined
def main():
parser = PdArgumentParser(
(ModelArguments, DataArguments, PreTrainingArguments))
model_args, data_args, training_args = parser.parse_args_into_dataclasses()
set_seed(training_args)
paddle.set_device(training_args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
training_args.eval_iters = 10
training_args.test_iters = training_args.eval_iters * 10
# Log model and data config
training_args.print_config(model_args, "Model")
training_args.print_config(data_args, "Data")
# Log on each process the small summary:
logger.warning(
f"Process rank: {training_args.local_rank}, device: {training_args.device}, world_size: {training_args.world_size}, "
+
f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
)
# Detecting last checkpoint.
last_checkpoint = None
if os.path.isdir(
training_args.output_dir
) and training_args.do_train and not training_args.overwrite_output_dir:
last_checkpoint = get_last_checkpoint(training_args.output_dir)
# if last_checkpoint is None and len(
# os.listdir(training_args.output_dir)) > 1:
# raise ValueError(
# f"Output directory ({training_args.output_dir}) already exists and is not empty. "
# "Use --overwrite_output_dir to overcome.")
if last_checkpoint is not None and training_args.resume_from_checkpoint is None:
logger.info(
f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
"the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
)
base_class, model_class, criterion_class, tokenizer_class = MODEL_CLASSES[
model_args.model_type]
pretrained_models_list = list(
model_class.pretrained_init_configuration.keys())
if model_args.model_name_or_path in pretrained_models_list:
model_config = model_class.pretrained_init_configuration[
model_args.model_name_or_path]
model_config["hidden_dropout_prob"] = model_args.hidden_dropout_prob
model_config[
"attention_probs_dropout_prob"] = model_args.attention_probs_dropout_prob
model = model_class(base_class(**model_config))
else:
model = model_class.from_pretrained(
model_args.model_name_or_path,
hidden_dropout_prob=model_args.hidden_dropout_prob,
attention_probs_dropout_prob=model_args.
attention_probs_dropout_prob)
class CriterionWrapper(paddle.nn.Layer):
"""
"""
def __init__(self):
"""CriterionWrapper
"""
super(CriterionWrapper, self).__init__()
self.criterion = criterion_class()
def forward(self, output, labels):
"""forward function
Args:
output (tuple): prediction_scores, seq_relationship_score
labels (tuple): masked_lm_labels, next_sentence_labels
Returns:
Tensor: final loss.
"""
prediction_scores, seq_relationship_score = output
masked_lm_labels, next_sentence_labels = labels
lm_loss, sop_loss = self.criterion(prediction_scores,
seq_relationship_score,
masked_lm_labels,
next_sentence_labels)
loss = lm_loss + sop_loss
return loss
# Create the learning_rate sheduler and optimizer
if training_args.decay_steps is None:
training_args.decay_steps = training_args.max_steps
warmup_steps = training_args.warmup_ratio * training_args.max_steps
lr_scheduler = LinearAnnealingWithWarmupDecay(
training_args.learning_rate,
training_args.min_learning_rate,
warmup_step=warmup_steps,
decay_step=training_args.decay_steps)
data_file = get_train_data_file(data_args)
tokenizer = tokenizer_class.from_pretrained(model_args.model_name_or_path)
train_dataset, eval_dataset, test_dataset, data_collator = create_pretrained_dataset(
data_args, training_args, data_file, tokenizer)
trainer = PretrainingTrainer(
model=model,
criterion=CriterionWrapper(),
args=training_args,
data_collator=data_collator,
train_dataset=train_dataset if training_args.do_train else None,
eval_dataset=eval_dataset if training_args.do_eval else None,
optimizers=(None, lr_scheduler),
tokenizer=tokenizer,
)
checkpoint = None
if training_args.resume_from_checkpoint is not None:
checkpoint = training_args.resume_from_checkpoint
elif last_checkpoint is not None:
checkpoint = last_checkpoint
# Training
if training_args.do_train:
train_result = trainer.train(resume_from_checkpoint=checkpoint)
metrics = train_result.metrics
trainer.save_model()
trainer.log_metrics("train", metrics)
trainer.save_metrics("train", metrics)
trainer.save_state()
if training_args.do_predict:
test_ret = trainer.predict(test_dataset)
trainer.log_metrics("test", test_ret.metrics)
def main(args):
paddle.seed(12345)
# load config
config = load_yaml(args.config_yaml)
config["yaml_path"] = args.config_yaml
config["config_abs_dir"] = args.abs_dir
# modify config from command
if args.opt:
for parameter in args.opt:
parameter = parameter.strip()
key, value = parameter.split("=")
if type(config.get(key)) is int:
value = int(value)
if type(config.get(key)) is float:
value = float(value)
if type(config.get(key)) is bool:
value = (True if value.lower() == "true" else False)
config[key] = value
# load static model class
static_model_class = load_static_model_class(config)
input_data = static_model_class.create_feeds()
input_data_names = [data.name for data in input_data]
fetch_vars = static_model_class.net(input_data)
#infer_target_var = model.infer_target_var
logger.info("cpu_num: {}".format(os.getenv("CPU_NUM")))
use_gpu = config.get("runner.use_gpu", True)
use_xpu = config.get("runner.use_xpu", False)
use_auc = config.get("runner.use_auc", False)
use_visual = config.get("runner.use_visual", False)
use_inference = config.get("runner.use_inference", False)
auc_num = config.get("runner.auc_num", 1)
train_data_dir = config.get("runner.train_data_dir", None)
epochs = config.get("runner.epochs", None)
print_interval = config.get("runner.print_interval", None)
model_save_path = config.get("runner.model_save_path", "model_output")
model_init_path = config.get("runner.model_init_path", None)
batch_size = config.get("runner.train_batch_size", None)
reader_type = config.get("runner.reader_type", "DataLoader")
use_fleet = config.get("runner.use_fleet", False)
use_save_data = config.get("runner.use_save_data", False)
os.environ["CPU_NUM"] = str(config.get("runner.thread_num", 1))
logger.info("**************common.configs**********")
logger.info(
"use_gpu: {}, use_xpu: {}, use_visual: {}, train_batch_size: {}, train_data_dir: {}, epochs: {}, print_interval: {}, model_save_path: {}"
.format(use_gpu, use_xpu, use_visual, batch_size, train_data_dir,
epochs, print_interval, model_save_path))
logger.info("**************common.configs**********")
if use_xpu:
xpu_device = 'xpu:{0}'.format(os.getenv('FLAGS_selected_xpus', 0))
place = paddle.set_device(xpu_device)
else:
place = paddle.set_device('gpu' if use_gpu else 'cpu')
if use_fleet:
from paddle.distributed import fleet
strategy = fleet.DistributedStrategy()
fleet.init(is_collective=True, strategy=strategy)
if use_fleet:
static_model_class.create_optimizer(strategy)
else:
static_model_class.create_optimizer()
exe = paddle.static.Executor(place)
# initialize
exe.run(paddle.static.default_startup_program())
if model_init_path is not None:
load_static_parameter(paddle.static.default_main_program(),
model_init_path,
prefix='rec_static')
last_epoch_id = config.get("last_epoch", -1)
# Create a log_visual object and store the data in the path
if use_visual:
from visualdl import LogWriter
log_visual = LogWriter(args.abs_dir + "/visualDL_log/train")
else:
log_visual = None
step_num = 0
if reader_type == 'QueueDataset':
dataset, file_list = get_reader(input_data, config)
elif reader_type == 'DataLoader':
train_dataloader = create_data_loader(config=config, place=place)
elif reader_type == "CustomizeDataLoader":
train_dataloader = static_model_class.create_data_loader()
reader_type = 'DataLoader'
for epoch_id in range(last_epoch_id + 1, epochs):
epoch_begin = time.time()
if use_auc:
reset_auc(use_fleet, auc_num)
if reader_type == 'DataLoader':
fetch_batch_var, step_num = dataloader_train(
epoch_id, train_dataloader, input_data_names, fetch_vars, exe,
config, use_visual, log_visual, step_num)
metric_str = ""
for var_idx, var_name in enumerate(fetch_vars):
metric_str += "{}: {}, ".format(
var_name,
str(fetch_batch_var[var_idx]).strip("[]"))
logger.info("epoch: {} done, ".format(epoch_id) + metric_str +
"epoch time: {:.2f} s".format(time.time() -
epoch_begin))
elif reader_type == 'QueueDataset':
fetch_batch_var = dataset_train(epoch_id, dataset, fetch_vars, exe,
config)
logger.info("epoch: {} done, ".format(epoch_id) +
"epoch time: {:.2f} s".format(time.time() -
epoch_begin))
else:
logger.info("reader type wrong")
if use_fleet:
trainer_id = paddle.distributed.get_rank()
if trainer_id == 0:
save_static_model(paddle.static.default_main_program(),
model_save_path,
epoch_id,
prefix='rec_static')
else:
save_static_model(paddle.static.default_main_program(),
model_save_path,
epoch_id,
prefix='rec_static')
if use_save_data:
save_data(fetch_batch_var, model_save_path)
if use_inference:
feed_var_names = config.get("runner.save_inference_feed_varnames",
[])
feedvars = []
fetch_var_names = config.get(
"runner.save_inference_fetch_varnames", [])
fetchvars = []
for var_name in feed_var_names:
if var_name not in paddle.static.default_main_program(
).global_block().vars:
raise ValueError(
"Feed variable: {} not in default_main_program, global block has follow vars: {}"
.format(
var_name,
paddle.static.default_main_program().global_block(
).vars.keys()))
else:
feedvars.append(paddle.static.default_main_program().
global_block().vars[var_name])
for var_name in fetch_var_names:
if var_name not in paddle.static.default_main_program(
).global_block().vars:
raise ValueError(
"Fetch variable: {} not in default_main_program, global block has follow vars: {}"
.format(
var_name,
paddle.static.default_main_program().global_block(
).vars.keys()))
else:
fetchvars.append(paddle.static.default_main_program().
global_block().vars[var_name])
save_inference_model(model_save_path, epoch_id, feedvars,
fetchvars, exe)
def label_box(anchors,
gt_boxes,
positive_overlap,
negative_overlap,
allow_low_quality,
ignore_thresh,
is_crowd=None,
assign_on_cpu=False):
if assign_on_cpu:
paddle.set_device("cpu")
iou = bbox_overlaps(gt_boxes, anchors)
paddle.set_device("gpu")
else:
iou = bbox_overlaps(gt_boxes, anchors)
n_gt = gt_boxes.shape[0]
if n_gt == 0 or is_crowd is None:
n_gt_crowd = 0
else:
n_gt_crowd = paddle.nonzero(is_crowd).shape[0]
if iou.shape[0] == 0 or n_gt_crowd == n_gt:
# No truth, assign everything to background
default_matches = paddle.full((iou.shape[1], ), 0, dtype='int64')
default_match_labels = paddle.full((iou.shape[1], ), 0, dtype='int32')
return default_matches, default_match_labels
# if ignore_thresh > 0, remove anchor if it is closed to
# one of the crowded ground-truth
if n_gt_crowd > 0:
N_a = anchors.shape[0]
ones = paddle.ones([N_a])
mask = is_crowd * ones
if ignore_thresh > 0:
crowd_iou = iou * mask
valid = (paddle.sum((crowd_iou > ignore_thresh).cast('int32'),
axis=0) > 0).cast('float32')
iou = iou * (1 - valid) - valid
# ignore the iou between anchor and crowded ground-truth
iou = iou * (1 - mask) - mask
matched_vals, matches = paddle.topk(iou, k=1, axis=0)
match_labels = paddle.full(matches.shape, -1, dtype='int32')
# set ignored anchor with iou = -1
neg_cond = paddle.logical_and(matched_vals > -1,
matched_vals < negative_overlap)
match_labels = paddle.where(neg_cond, paddle.zeros_like(match_labels),
match_labels)
match_labels = paddle.where(matched_vals >= positive_overlap,
paddle.ones_like(match_labels), match_labels)
if allow_low_quality:
highest_quality_foreach_gt = iou.max(axis=1, keepdim=True)
pred_inds_with_highest_quality = paddle.logical_and(
iou > 0,
iou == highest_quality_foreach_gt).cast('int32').sum(0,
keepdim=True)
match_labels = paddle.where(pred_inds_with_highest_quality > 0,
paddle.ones_like(match_labels),
match_labels)
matches = matches.flatten()
match_labels = match_labels.flatten()
return matches, match_labels
def do_train(args):
# Initialize the paddle and paddle fleet execute enviroment
paddle.enable_static()
place = paddle.set_device(args.device)
fleet.init(is_collective=True)
worker_num = fleet.worker_num()
worker_index = fleet.worker_index()
# Create the random seed for the worker
set_seed(args.seed)
worker_init = WorkerInitObj(args.seed + worker_index)
# Define the input data in the static mode
main_program = paddle.static.default_main_program()
startup_program = paddle.static.default_startup_program()
data_holders = create_data_holder(args)
[
input_ids, segment_ids, input_mask, masked_lm_positions,
masked_lm_labels, next_sentence_labels, masked_lm_scale
] = data_holders
# Define the model structure in static mode
args.model_type = args.model_type.lower()
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
config = model_class.pretrained_init_configuration[args.model_name_or_path]
if config["vocab_size"] % 8 != 0:
config["vocab_size"] += 8 - (config["vocab_size"] % 8)
model = BertForPretraining(BertModel(**config))
criterion = BertPretrainingCriterion(model.bert.config["vocab_size"])
prediction_scores, seq_relationship_score = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask,
masked_positions=masked_lm_positions)
loss = criterion(prediction_scores, seq_relationship_score,
masked_lm_labels, next_sentence_labels, masked_lm_scale)
# Define the dynamic learing_reate scheduler and optimizer
num_training_steps = args.max_steps if args.max_steps > 0 else len(
train_data_loader) * args.num_train_epochs
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps, args.warmup_steps)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params,
multi_precision=args.use_pure_fp16)
# Use the fleet api to compile the distributed optimizer
optimizer = dist_optimizer(args, optimizer)
optimizer.minimize(loss)
# Define the Executor for running the static model
exe = paddle.static.Executor(place)
exe.run(startup_program)
state_dict = model.state_dict()
# Use the state dict to update the parameter
reset_state_dict = reset_program_state_dict(model, state_dict)
paddle.static.set_program_state(main_program, reset_state_dict)
if args.use_amp:
optimizer.amp_init(place)
pool = ThreadPoolExecutor(1)
global_step = 0
tic_train = time.time()
epoch = 0
while True:
files = [
os.path.join(args.input_dir, f) for f in os.listdir(args.input_dir)
if os.path.isfile(os.path.join(args.input_dir, f))
and "training" in f
]
files.sort()
num_files = len(files)
random.Random(args.seed + epoch).shuffle(files)
f_start_id = 0
# Select one file for each worker and create the DataLoader for the file
data_file = select_dataset_file_for_each_worker(
files, f_start_id, worker_num, worker_index)
train_data_loader, _ = create_pretraining_dataset(
data_file, args.max_predictions_per_seq, args, data_holders,
worker_init, paddle.static.cuda_places())
for f_id in range(f_start_id + 1, len(files)):
data_file = select_dataset_file_for_each_worker(
files, f_id, worker_num, worker_index)
dataset_future = pool.submit(create_pretraining_dataset, data_file,
args.max_predictions_per_seq, args,
data_holders, worker_init,
paddle.static.cuda_places())
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
reader_start = time.time()
for step, batch in enumerate(train_data_loader):
train_reader_cost += time.time() - reader_start
global_step += 1
train_start = time.time()
loss_return = exe.run(main_program,
feed=batch,
fetch_list=[loss])
train_run_cost += time.time() - train_start
total_samples += args.batch_size
# In the new 2.0 api, must call this function to change the learning_rate
lr_scheduler.step()
if global_step % args.logging_steps == 0:
print(
"tobal step: %d, epoch: %d, batch: %d, loss: %f, "
"avg_reader_cost: %.5f sec, avg_batch_cost: %.5f sec, avg_samples: %.5f, ips: %.5f sequences/sec"
% (global_step, epoch, step, loss_return[0],
train_reader_cost / args.logging_steps,
(train_reader_cost + train_run_cost) /
args.logging_steps,
total_samples / args.logging_steps, total_samples /
(train_reader_cost + train_run_cost)))
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
if global_step % args.save_steps == 0:
if worker_index == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
model.save_model_config(output_dir)
paddle.static.save(
main_program,
os.path.join(output_dir, "model_state"))
tokenizer.save_pretrained(output_dir)
if global_step >= args.max_steps:
reader_start = time.time()
del train_data_loader
return
reader_start = time.time()
del train_data_loader
train_data_loader, data_file = dataset_future.result(timeout=None)
epoch += 1
def main():
parser = PdArgumentParser(
(ModelArguments, DataArguments, TrainingArguments))
model_args, data_args, training_args = parser.parse_args_into_dataclasses()
# Log model and data config
training_args.print_config(model_args, "Model")
training_args.print_config(data_args, "Data")
paddle.set_device(training_args.device)
# Log on each process the small summary:
logger.warning(
f"Process rank: {training_args.local_rank}, device: {training_args.device}, world_size: {training_args.world_size}, "
+
f"distributed training: {bool(training_args.local_rank != -1)}, 16-bits training: {training_args.fp16}"
)
# Detecting last checkpoint.
last_checkpoint = None
if os.path.isdir(
training_args.output_dir
) and training_args.do_train and not training_args.overwrite_output_dir:
last_checkpoint = get_last_checkpoint(training_args.output_dir)
if last_checkpoint is None and len(os.listdir(
training_args.output_dir)) > 0:
raise ValueError(
f"Output directory ({training_args.output_dir}) already exists and is not empty. "
"Use --overwrite_output_dir to overcome.")
elif last_checkpoint is not None and training_args.resume_from_checkpoint is None:
logger.info(
f"Checkpoint detected, resuming training at {last_checkpoint}. To avoid this behavior, change "
"the `--output_dir` or add `--overwrite_output_dir` to train from scratch."
)
data_args.dataset = data_args.dataset.strip()
if data_args.dataset in ALL_DATASETS:
# if you custom you hyper-parameters in yaml config, it will overwrite all args.
config = ALL_DATASETS[data_args.dataset]
logger.info("Over-writing training config by yaml config!")
for args in (model_args, data_args, training_args):
for arg in vars(args):
if arg in config.keys():
setattr(args, arg, config[arg])
training_args.per_device_train_batch_size = config["batch_size"]
training_args.per_device_eval_batch_size = config["batch_size"]
dataset_config = data_args.dataset.split(" ")
raw_datasets = load_dataset(
dataset_config[0],
None if len(dataset_config) <= 1 else dataset_config[1],
)
data_args.label_list = getattr(raw_datasets['train'], "label_list", None)
num_classes = 1 if raw_datasets["train"].label_list == None else len(
raw_datasets['train'].label_list)
# Define tokenizer, model, loss function.
tokenizer = AutoTokenizer.from_pretrained(model_args.model_name_or_path)
model = AutoModelForSequenceClassification.from_pretrained(
model_args.model_name_or_path, num_classes=num_classes)
criterion = nn.loss.CrossEntropyLoss(
) if data_args.label_list else nn.loss.MSELoss()
# Define dataset pre-process function
if "clue" in data_args.dataset:
trans_fn = partial(clue_trans_fn, tokenizer=tokenizer, args=data_args)
else:
trans_fn = partial(seq_trans_fn, tokenizer=tokenizer, args=data_args)
# Define data collector
data_collator = DataCollatorWithPadding(tokenizer)
# Dataset pre-process
if training_args.do_train:
train_dataset = raw_datasets["train"].map(trans_fn)
if training_args.do_eval:
eval_dataset = raw_datasets["dev"].map(trans_fn)
if training_args.do_predict:
test_dataset = raw_datasets["test"].map(trans_fn)
# Define the metrics of tasks.
def compute_metrics(p):
preds = p.predictions[0] if isinstance(p.predictions,
tuple) else p.predictions
preds = paddle.to_tensor(preds)
label = paddle.to_tensor(p.label_ids)
probs = F.softmax(preds, axis=1)
metric = Accuracy()
metric.reset()
result = metric.compute(preds, label)
metric.update(result)
accu = metric.accumulate()
metric.reset()
return {"accuracy": accu}
trainer = Trainer(
model=model,
criterion=criterion,
args=training_args,
data_collator=data_collator,
train_dataset=train_dataset if training_args.do_train else None,
eval_dataset=eval_dataset if training_args.do_eval else None,
tokenizer=tokenizer,
compute_metrics=compute_metrics,
)
checkpoint = None
if training_args.resume_from_checkpoint is not None:
checkpoint = training_args.resume_from_checkpoint
elif last_checkpoint is not None:
checkpoint = last_checkpoint
# Training
if training_args.do_train:
train_result = trainer.train(resume_from_checkpoint=checkpoint)
metrics = train_result.metrics
trainer.save_model()
trainer.log_metrics("train", metrics)
trainer.save_metrics("train", metrics)
trainer.save_state()
# Evaluate and tests model
if training_args.do_eval:
eval_metrics = trainer.evaluate()
trainer.log_metrics("eval", eval_metrics)
if training_args.do_predict:
test_ret = trainer.predict(test_dataset)
trainer.log_metrics("test", test_ret.metrics)
if test_ret.label_ids is None:
paddle.save(
test_ret.predictions,
os.path.join(training_args.output_dir,
"test_results.pdtensor"),
)
# export inference model
if training_args.do_export:
# You can also load from certain checkpoint
# trainer.load_state_dict_from_checkpoint("/path/to/checkpoint/")
input_spec = [
paddle.static.InputSpec(shape=[None, None],
dtype="int64"), # input_ids
paddle.static.InputSpec(shape=[None, None],
dtype="int64") # segment_ids
]
if model_args.export_model_dir is None:
model_args.export_model_dir = os.path.join(
training_args.output_dir, "export")
paddlenlp.transformers.export_model(model=trainer.model,
input_spec=input_spec,
path=model_args.export_model_dir)
def do_train(args):
# Initialize the paddle execute enviroment
paddle.enable_static()
place = paddle.set_device(args.select_device)
# Set the random seed
set_seed(args.seed)
# Define the input data in the static mode
main_program = paddle.static.default_main_program()
startup_program = paddle.static.default_startup_program()
data_holders = create_data_holder(args)
[
input_ids, segment_ids, input_mask, masked_lm_positions,
masked_lm_labels, next_sentence_labels, masked_lm_scale
] = data_holders
# Define the model structure in static mode
args.model_type = args.model_type.lower()
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
config = model_class.pretrained_init_configuration[args.model_name_or_path]
if config["vocab_size"] % 8 != 0:
config["vocab_size"] += 8 - (config["vocab_size"] % 8)
model = BertForPretraining(BertModel(**config))
criterion = BertPretrainingCriterion(model.bert.config["vocab_size"])
prediction_scores, seq_relationship_score = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask,
masked_positions=masked_lm_positions)
loss = criterion(prediction_scores, seq_relationship_score,
masked_lm_labels, next_sentence_labels, masked_lm_scale)
# Define the dynamic learing_reate scheduler and optimizer
num_training_steps = args.max_steps if args.max_steps > 0 else len(
train_data_loader) * args.num_train_epochs
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps, args.warmup_steps)
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
],
multi_precision=False)
if args.use_amp:
custom_black_list = (['lookup_table', 'lookup_table_v2']
if args.use_pure_fp16 else None)
amp_list = paddle.static.amp.AutoMixedPrecisionLists(
custom_white_list=['layer_norm', 'softmax', 'gelu'],
custom_black_list=custom_black_list)
optimizer = paddle.static.amp.decorate(
optimizer,
amp_list,
init_loss_scaling=args.scale_loss,
use_dynamic_loss_scaling=True,
use_pure_fp16=args.use_pure_fp16)
optimizer.minimize(loss)
# Define the Executor for running the static model
exe = paddle.static.Executor(place)
exe.run(startup_program)
state_dict = model.state_dict()
# Use the state dict to update the parameter
reset_state_dict = reset_program_state_dict(model, state_dict)
paddle.static.set_program_state(main_program, reset_state_dict)
if args.use_amp:
optimizer.amp_init(place)
# Construct the compiled program
main_program = build_compiled_program(args, main_program, loss)
global_step = 0
tic_train = time.time()
epoch = 0
while True:
files = [
os.path.join(args.input_dir, f) for f in os.listdir(args.input_dir)
if os.path.isfile(os.path.join(args.input_dir, f))
and "training" in f
]
files.sort()
random.Random(args.seed + epoch).shuffle(files)
for f_id in range(0, len(files)):
train_data_loader, _ = create_pretraining_dataset(
files[f_id], args.max_predictions_per_seq, args, data_holders)
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
reader_start = time.time()
for step, batch in enumerate(train_data_loader):
train_reader_cost += time.time() - reader_start
global_step += 1
train_start = time.time()
loss_return = exe.run(main_program,\
feed=batch,
fetch_list=[loss])
train_run_cost += time.time() - train_start
total_samples += args.batch_size
# In the new 2.0 api, must call this function to change the learning_rate
lr_scheduler.step()
if global_step % args.logging_steps == 0:
print(
"global step: %d, epoch: %d, batch: %d, loss: %f, "
"avg_reader_cost: %.5f sec, avg_batch_cost: %.5f sec, avg_samples: %.5f, ips: %.5f sequences/sec"
% (global_step, epoch, step, loss_return[0],
train_reader_cost / args.logging_steps,
(train_reader_cost + train_run_cost) /
args.logging_steps,
total_samples / args.logging_steps, total_samples /
(train_reader_cost + train_run_cost)))
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
if global_step % args.save_steps == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# TODO(fangzeyang): Udpate the save_params to paddle.static
paddle.fluid.io.save_params(exe, output_dir)
tokenizer.save_pretrained(output_dir)
if global_step >= args.max_steps:
reader_start = time.time()
del train_data_loader
return
reader_start = time.time()
del train_data_loader
epoch += 1
def do_train(args):
paddle.enable_static() if not args.eager_run else None
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
set_seed(args)
worker_init = WorkerInitObj(args.seed + paddle.distributed.get_rank())
args.model_type = args.model_type.lower()
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
# Loads or initializes a model.
pretrained_models = list(tokenizer_class.pretrained_init_configuration.keys(
))
def get_opt_config(model_cls, name):
config = model_cls.pretrained_init_configuration[name]
# Optimize for AMP.
if "vocab_size" in config:
if config["vocab_size"] % 8 != 0:
config["vocab_size"] += 8 - (config["vocab_size"] % 8)
return config
if args.model_name_or_path in pretrained_models:
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
generator = ElectraGenerator(
ElectraModel(**get_opt_config(model_class, args.model_name_or_path +
"-generator")))
discriminator = ElectraDiscriminator(
ElectraModel(**get_opt_config(model_class, args.model_name_or_path +
"-discriminator")))
model = model_class(generator, discriminator)
args.init_from_ckpt = False
else:
if os.path.isdir(args.model_name_or_path) and args.init_from_ckpt:
# Load checkpoint
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
with open(
os.path.join(args.model_name_or_path, "run_states.json"),
'r') as f:
config_dict = json.load(f)
model_name = config_dict["model_name"]
if model_name in pretrained_models:
generator = ElectraGenerator(
ElectraModel(**get_opt_config(model_class, model_name +
"-generator")))
discriminator = ElectraDiscriminator(
ElectraModel(**get_opt_config(model_class, model_name +
"-discriminator")))
model = model_class(generator, discriminator)
model.set_state_dict(
paddle.load(
os.path.join(args.model_name_or_path,
"model_state.pdparams")))
else:
raise ValueError(
"initialize a model from ckpt need model_name "
"in model_config_file. The supported model_name "
"are as follows: {}".format(
tokenizer_class.pretrained_init_configuration.keys()))
else:
raise ValueError(
"initialize a model need identifier or the "
"directory of storing model. if use identifier, the supported model "
"identifiers are as follows: {}, if use directory, "
"make sure set init_from_ckpt as True".format(
model_class.pretrained_init_configuration.keys()))
criterion = ElectraPretrainingCriterion(
getattr(model.generator,
ElectraGenerator.base_model_prefix).config["vocab_size"],
model.gen_weight, model.disc_weight)
if paddle.distributed.get_world_size() > 1:
model = paddle.DataParallel(model)
# Loads dataset.
tic_load_data = time.time()
print("start load data : %s" %
(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())))
train_dataset = BookCorpus(
data_path=args.input_dir,
tokenizer=tokenizer,
max_seq_length=args.max_seq_length,
mode='train')
print("load data done, total : %s s" % (time.time() - tic_load_data))
# Reads data and generates mini-batches.
data_collator = DataCollatorForElectra(
tokenizer=tokenizer,
max_seq_length=args.max_seq_length,
mlm=True,
mlm_probability=args.mask_prob)
train_data_loader = create_dataloader(
train_dataset,
batch_size=args.train_batch_size,
mode='train',
use_gpu=True if args.device in "gpu" else False,
data_collator=data_collator)
num_training_steps = args.max_steps if args.max_steps > 0 else (
len(train_data_loader) * args.num_train_epochs)
lr_scheduler = LinearDecayWithWarmup(args.learning_rate, num_training_steps,
args.warmup_steps)
clip = paddle.nn.ClipGradByGlobalNorm(clip_norm=1.0)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
grad_clip=clip,
apply_decay_param_fun=lambda x: x in decay_params)
if args.use_amp:
scaler = paddle.amp.GradScaler(init_loss_scaling=1024)
print("start train : %s" %
(time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())))
trained_global_step = global_step = 0
t_loss = paddle.to_tensor([0.0])
log_loss = paddle.to_tensor([0.0])
loss_list = []
log_list = []
tic_train = time.time()
if os.path.isdir(args.model_name_or_path) and args.init_from_ckpt:
optimizer.set_state_dict(
paddle.load(
os.path.join(args.model_name_or_path, "model_state.pdopt")))
trained_global_step = global_step = config_dict["global_step"]
if trained_global_step < num_training_steps:
print(
"[ start train from checkpoint ] we have already trained %s steps, seeking next step : %s"
% (trained_global_step, trained_global_step + 1))
else:
print(
"[ start train from checkpoint ] we have already trained %s steps, but total training steps is %s, please check configuration !"
% (trained_global_step, num_training_steps))
exit(0)
for epoch in range(args.num_train_epochs):
for step, batch in enumerate(train_data_loader):
if trained_global_step > 0:
trained_global_step -= 1
continue
global_step += 1
input_ids, raw_input_ids, gen_labels = batch
if args.use_amp:
with paddle.amp.auto_cast():
gen_logits, disc_logits, disc_labels, attention_mask = model(
input_ids=input_ids,
raw_input_ids=raw_input_ids,
gen_labels=gen_labels)
loss = criterion(gen_logits, disc_logits, gen_labels,
disc_labels, attention_mask)
scaled = scaler.scale(loss)
scaled.backward()
t_loss += loss.detach()
scaler.minimize(optimizer, scaled)
else:
gen_logits, disc_logits, disc_labels, attention_mask = model(
input_ids=input_ids,
raw_input_ids=raw_input_ids,
gen_labels=gen_labels)
loss = criterion(gen_logits, disc_logits, gen_labels,
disc_labels, attention_mask)
loss.backward()
t_loss += loss.detach()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.logging_steps == 0:
local_loss = (t_loss - log_loss) / args.logging_steps
if (paddle.distributed.get_world_size() > 1):
paddle.distributed.all_gather(loss_list, local_loss)
if paddle.distributed.get_rank() == 0:
log_str = (
"global step {0:d}/{1:d}, epoch: {2:d}, batch: {3:d}, "
"avg_loss: {4:.15f}, lr: {5:.10f}, speed: {6:.2f} s/it"
).format(global_step, num_training_steps, epoch, step,
float((paddle.stack(loss_list).sum() / len(
loss_list)).numpy()),
optimizer.get_lr(),
(time.time() - tic_train) / args.logging_steps)
print(log_str)
log_list.append(log_str)
loss_list = []
else:
log_str = (
"global step {0:d}/{1:d}, epoch: {2:d}, batch: {3:d}, "
"loss: {4:.15f}, lr: {5:.10f}, speed: {6:.2f} s/it"
).format(global_step, num_training_steps, epoch, step,
float(local_loss.numpy()),
optimizer.get_lr(),
(time.time() - tic_train) / args.logging_steps)
print(log_str)
log_list.append(log_str)
log_loss = t_loss
tic_train = time.time()
if global_step % args.save_steps == 0:
if paddle.distributed.get_rank() == 0:
output_dir = os.path.join(args.output_dir,
"model_%d.pdparams" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
config_to_save = copy.deepcopy(
model_to_save.discriminator.electra.config)
if 'self' in config_to_save:
del config_to_save['self']
run_states = {
"model_name": model_name
if args.init_from_ckpt else args.model_name_or_path,
"global_step": global_step,
"epoch": epoch,
"step": step,
}
with open(
os.path.join(output_dir, "model_config.json"),
'w') as f:
json.dump(config_to_save, f)
with open(
os.path.join(output_dir, "run_states.json"),
'w') as f:
json.dump(run_states, f)
paddle.save(model.state_dict(),
os.path.join(output_dir,
"model_state.pdparams"))
tokenizer.save_pretrained(output_dir)
paddle.save(optimizer.state_dict(),
os.path.join(output_dir, "model_state.pdopt"))
if len(log_list) > 0:
with open(os.path.join(output_dir, "train.log"),
'w') as f:
for log in log_list:
if len(log.strip()) > 0:
f.write(log.strip() + '\n')
if global_step >= num_training_steps:
return
batch)
query_ids = paddle.to_tensor(query_ids)
title_ids = paddle.to_tensor(title_ids)
query_seq_lens = paddle.to_tensor(query_seq_lens)
title_seq_lens = paddle.to_tensor(title_seq_lens)
logits = model(query_ids, title_ids, query_seq_lens, title_seq_lens)
probs = F.softmax(logits, axis=1)
idx = paddle.argmax(probs, axis=1).numpy()
idx = idx.tolist()
labels = [label_map[i] for i in idx]
results.extend(labels)
return results
if __name__ == "__main__":
paddle.set_device("gpu") if args.use_gpu else paddle.set_device("cpu")
# Loads vocab.
vocab = Vocab.load_vocabulary(args.vocab_path,
unk_token='[UNK]',
pad_token='[PAD]')
tokenizer = JiebaTokenizer(vocab)
label_map = {0: 'dissimilar', 1: 'similar'}
# Constructs the newtork.
model = ppnlp.models.SimNet(network=args.network,
vocab_size=len(vocab),
num_classes=len(label_map))
# Loads model parameters.
state_dict = paddle.load(args.params_path)
model.set_dict(state_dict)
def predict(self, data, max_seq_len=128, batch_size=1, use_gpu=False):
"""
Predicts the data labels.
Args:
data (obj:`List(str)`): The processed data whose each element is the raw text.
max_seq_len (:obj:`int`, `optional`, defaults to :int:`None`):
If set to a number, will limit the total sequence returned so that it has a maximum length.
batch_size(obj:`int`, defaults to 1): The number of batch.
use_gpu(obj:`bool`, defaults to `False`): Whether to use gpu to run or not.
Returns:
results(obj:`list`): All the predictions labels.
"""
# TODO(zhangxuefei): add task token_classification task predict.
if self.task not in ['sequence_classification']:
raise RuntimeError("The predict method is for sequence_classification task, but got task %s." % self.task)
paddle.set_device('gpu') if use_gpu else paddle.set_device('cpu')
tokenizer = self.get_tokenizer()
examples = []
for text in data:
if len(text) == 1:
encoded_inputs = tokenizer.encode(text[0], text_pair=None, max_seq_len=max_seq_len)
elif len(text) == 2:
encoded_inputs = tokenizer.encode(text[0], text_pair=text[1], max_seq_len=max_seq_len)
else:
raise RuntimeError(
'The input text must have one or two sequence, but got %d. Please check your inputs.' % len(text))
examples.append((encoded_inputs['input_ids'], encoded_inputs['segment_ids']))
def _batchify_fn(batch):
input_ids = [entry[0] for entry in batch]
segment_ids = [entry[1] for entry in batch]
return input_ids, segment_ids
# Seperates data into some batches.
batches = []
one_batch = []
for example in examples:
one_batch.append(example)
if len(one_batch) == batch_size:
batches.append(one_batch)
one_batch = []
if one_batch:
# The last batch whose size is less than the config batch_size setting.
batches.append(one_batch)
results = []
self.eval()
for batch in batches:
input_ids, segment_ids = _batchify_fn(batch)
input_ids = paddle.to_tensor(input_ids)
segment_ids = paddle.to_tensor(segment_ids)
# TODO(zhangxuefei): add task token_classification postprocess after prediction.
if self.task == 'sequence_classification':
probs = self(input_ids, segment_ids)
idx = paddle.argmax(probs, axis=1).numpy()
idx = idx.tolist()
labels = [self.label_map[i] for i in idx]
results.extend(labels)
return results
def train(args):
paddle.set_device(args.device)
trainer_num = paddle.distributed.get_world_size()
if trainer_num > 1:
paddle.distributed.init_parallel_env()
rank = paddle.distributed.get_rank()
# Create dataset.
train_ds, test_ds = load_dataset(
datafiles=(os.path.join(args.data_dir, 'train.tsv'),
os.path.join(args.data_dir, 'test.tsv')))
word_vocab = load_vocab(os.path.join(args.data_dir, 'word.dic'))
label_vocab = load_vocab(os.path.join(args.data_dir, 'tag.dic'))
# q2b.dic is used to replace DBC case to SBC case
normlize_vocab = load_vocab(os.path.join(args.data_dir, 'q2b.dic'))
trans_func = partial(convert_example,
max_seq_len=args.max_seq_len,
word_vocab=word_vocab,
label_vocab=label_vocab,
normlize_vocab=normlize_vocab)
train_ds.map(trans_func)
test_ds.map(trans_func)
batchify_fn = lambda samples, fn=Tuple(
Pad(axis=0, pad_val=word_vocab.get("[PAD]", 0), dtype='int64'
), # word_ids
Stack(dtype='int64'), # length
Pad(axis=0, pad_val=label_vocab.get("O", 0), dtype='int64'
), # label_ids
): fn(samples)
# Create sampler for dataloader
train_sampler = paddle.io.DistributedBatchSampler(
dataset=train_ds,
batch_size=args.batch_size,
shuffle=True,
drop_last=True)
train_loader = paddle.io.DataLoader(dataset=train_ds,
batch_sampler=train_sampler,
return_list=True,
collate_fn=batchify_fn)
test_sampler = paddle.io.BatchSampler(dataset=test_ds,
batch_size=args.batch_size,
shuffle=False,
drop_last=False)
test_loader = paddle.io.DataLoader(dataset=test_ds,
batch_sampler=test_sampler,
return_list=True,
collate_fn=batchify_fn)
# Define the model netword and its loss
model = BiGruCrf(args.emb_dim,
args.hidden_size,
len(word_vocab),
len(label_vocab),
crf_lr=args.crf_lr)
# Prepare optimizer, loss and metric evaluator
optimizer = paddle.optimizer.Adam(learning_rate=args.base_lr,
parameters=model.parameters())
chunk_evaluator = ChunkEvaluator(label_list=label_vocab.keys(),
suffix=True)
if args.init_checkpoint:
if os.path.exists(args.init_checkpoint):
logger.info("Init checkpoint from %s" % args.init_checkpoint)
model_dict = paddle.load(args.init_checkpoint)
model.load_dict(model_dict)
else:
logger.info("Cannot init checkpoint from %s which doesn't exist" %
args.init_checkpoint)
logger.info("Start training")
# Start training
global_step = 0
last_step = args.epochs * len(train_loader)
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
reader_start = time.time()
max_f1_score = -1
for epoch in range(args.epochs):
for step, batch in enumerate(train_loader):
train_reader_cost += time.time() - reader_start
global_step += 1
token_ids, length, label_ids = batch
train_start = time.time()
loss = model(token_ids, length, label_ids)
avg_loss = paddle.mean(loss)
train_run_cost += time.time() - train_start
total_samples += args.batch_size
if global_step % args.logging_steps == 0:
logger.info(
"global step %d / %d, loss: %f, avg_reader_cost: %.5f sec, avg_batch_cost: %.5f sec, avg_samples: %.5f, ips: %.5f sequences/sec"
%
(global_step, last_step, avg_loss,
train_reader_cost / args.logging_steps,
(train_reader_cost + train_run_cost) / args.logging_steps,
total_samples / args.logging_steps, total_samples /
(train_reader_cost + train_run_cost)))
train_reader_cost = 0.0
train_run_cost = 0.0
total_samples = 0
avg_loss.backward()
optimizer.step()
optimizer.clear_grad()
if global_step % args.save_steps == 0 or global_step == last_step:
if rank == 0:
paddle.save(
model.state_dict(),
os.path.join(args.model_save_dir,
"model_%d.pdparams" % global_step))
logger.info("Save %d steps model." % (global_step))
if args.do_eval:
precision, recall, f1_score = evaluate(
model, chunk_evaluator, test_loader)
if f1_score > max_f1_score:
max_f1_score = f1_score
paddle.save(
model.state_dict(),
os.path.join(args.model_save_dir,
"best_model.pdparams"))
logger.info("Save best model.")
reader_start = time.time()
def do_train():
set_seed(args.seed)
paddle.set_device("gpu" if args.n_gpu else "cpu")
world_size = paddle.distributed.get_world_size()
if world_size > 1:
paddle.distributed.init_parallel_env()
train_ds, dev_ds, test_ds = load_dataset("chnsenticorp",
splits=["train", "dev", "test"])
# If you wanna use bert/roberta/electra pretrained model,
# model = ppnlp.transformers.BertForSequenceClassification.from_pretrained('bert-base-chinese', num_class=2)
# model = ppnlp.transformers.RobertaForSequenceClassification.from_pretrained('roberta-wwm-ext', num_class=2)
# model = ppnlp.transformers.ElectraForSequenceClassification.from_pretrained('chinese-electra-small', num_classes=2)
model = ppnlp.transformers.ErnieForSequenceClassification.from_pretrained(
'ernie-tiny', num_classes=len(train_ds.label_list))
# If you wanna use bert/roberta/electra pretrained model,
# tokenizer = ppnlp.transformers.BertTokenizer.from_pretrained('bert-base-chinese')
# tokenizer = ppnlp.transformers.RobertaTokenizer.from_pretrained('roberta-wwm-ext')
# tokenizer = ppnlp.transformers.ElectraTokenizer.from_pretrained('chinese-electra-small', num_classes=2)
# ErnieTinyTokenizer is special for ernie-tiny pretained model.
tokenizer = ppnlp.transformers.ErnieTinyTokenizer.from_pretrained(
'ernie-tiny')
trans_func = partial(convert_example,
tokenizer=tokenizer,
max_seq_length=args.max_seq_length)
batchify_fn = lambda samples, fn=Tuple(
Pad(axis=0, pad_val=tokenizer.pad_token_id), # input
Pad(axis=0, pad_val=tokenizer.pad_token_type_id), # segment
Stack(dtype="int64") # label
): [data for data in fn(samples)]
train_data_loader = create_dataloader(train_ds,
mode='train',
batch_size=args.batch_size,
batchify_fn=batchify_fn,
trans_fn=trans_func)
dev_data_loader = create_dataloader(dev_ds,
mode='dev',
batch_size=args.batch_size,
batchify_fn=batchify_fn,
trans_fn=trans_func)
test_data_loader = create_dataloader(test_ds,
mode='test',
batch_size=args.batch_size,
batchify_fn=batchify_fn,
trans_fn=trans_func)
if args.init_from_ckpt and os.path.isfile(args.init_from_ckpt):
state_dict = paddle.load(args.init_from_ckpt)
model.set_dict(state_dict)
model = paddle.DataParallel(model)
num_training_steps = len(train_data_loader) * args.epochs
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps,
args.warmup_proportion)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params)
criterion = paddle.nn.loss.CrossEntropyLoss()
metric = paddle.metric.Accuracy()
global_step = 0
tic_train = time.time()
for epoch in range(1, args.epochs + 1):
for step, batch in enumerate(train_data_loader, start=1):
input_ids, token_type_ids, labels = batch
logits = model(input_ids, token_type_ids)
loss = criterion(logits, labels)
probs = F.softmax(logits, axis=1)
correct = metric.compute(probs, labels)
metric.update(correct)
acc = metric.accumulate()
global_step += 1
if global_step % 10 == 0 and paddle.distributed.get_rank() == 0:
print(
"global step %d, epoch: %d, batch: %d, loss: %.5f, accu: %.5f, speed: %.2f step/s"
% (global_step, epoch, step, loss, acc, 10 /
(time.time() - tic_train)))
tic_train = time.time()
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % 100 == 0 and paddle.distributed.get_rank() == 0:
save_dir = os.path.join(args.save_dir,
"model_%d" % global_step)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
evaluate(model, criterion, metric, dev_data_loader)
model._layers.save_pretrained(save_dir)
tokenizer.save_pretrained(save_dir)
if paddle.distributed.get_rank() == 0:
print('Evaluating on test data.')
evaluate(model, criterion, metric, test_data_loader)
def main():
args = parse_args()
# device setup
paddle.set_device("gpu")
# load model
model = resnet50(pretrained=True)
model.eval()
# set model's intermediate outputs
outputs = []
def hook(module, input, output):
outputs.append(output)
model.layer1[-1].register_forward_post_hook(hook)
model.layer2[-1].register_forward_post_hook(hook)
model.layer3[-1].register_forward_post_hook(hook)
model.avgpool.register_forward_post_hook(hook)
os.makedirs(os.path.join(args.save_path, 'temp'), exist_ok=True)
fig, ax = plt.subplots(1, 2, figsize=(20, 10))
fig_img_rocauc = ax[0]
fig_pixel_rocauc = ax[1]
total_roc_auc = []
total_pixel_roc_auc = []
for class_name in mvtec.CLASS_NAMES:
train_dataset = mvtec.MVTecDataset(class_name=class_name,
is_train=True)
train_dataloader = DataLoader(train_dataset, batch_size=32)
test_dataset = mvtec.MVTecDataset(class_name=class_name,
is_train=False)
test_dataloader = DataLoader(test_dataset, batch_size=1)
train_outputs = OrderedDict([('layer1', []), ('layer2', []),
('layer3', []), ('avgpool', [])])
test_outputs = OrderedDict([('layer1', []), ('layer2', []),
('layer3', []), ('avgpool', [])])
# extract train set features
train_feature_filepath = os.path.join(args.save_path, 'temp',
'train_%s.pkl' % class_name)
if not os.path.exists(train_feature_filepath):
# extract train set features
for (x, y, mask) in tqdm(
train_dataloader,
'| feature extraction | train | %s |' % class_name):
with paddle.no_grad():
pred = model(x)
for k, v in zip(train_outputs.keys(), outputs):
train_outputs[k].append(v)
# initialize hook outputs
outputs = []
# transfer to np.array in order to save by pickle
for k, v in train_outputs.items():
train_outputs[k] = paddle.concat(v, 0).numpy()
with open(train_feature_filepath, 'wb') as f:
pickle.dump(train_outputs, f)
# transfer back to paddle.Tensor() in order to continue to compute in test stage
for k, v in train_outputs.items():
train_outputs[k] = paddle.to_tensor(v)
else:
print('load train set feature from: %s' % train_feature_filepath)
with open(train_feature_filepath, 'rb') as f:
train_outputs = pickle.load(f)
for k, v in train_outputs.items():
train_outputs[k] = paddle.to_tensor(v)
gt_list = []
gt_mask_list = []
test_imgs = []
# extract test set features
for (x, y,
mask) in tqdm(test_dataloader,
'| feature extraction | test | %s |' % class_name):
test_imgs.extend(x.cpu().detach().numpy())
gt_list.extend(y.cpu().detach().numpy())
gt_mask_list.extend(mask.cpu().detach().numpy())
# model prediction
with paddle.no_grad():
pred = model(x)
for k, v in zip(test_outputs.keys(), outputs):
test_outputs[k].append(v)
# initialize hook outputs
outputs = []
for k, v in test_outputs.items():
test_outputs[k] = paddle.concat(v, 0)
# calculate distance matrix
dist_matrix = calc_dist_matrix(
paddle.flatten(test_outputs['avgpool'], 1),
paddle.flatten(train_outputs['avgpool'], 1))
# select K nearest neighbor and take average
topk_values, topk_indexes = paddle.topk(dist_matrix,
k=args.top_k,
largest=False)
scores = paddle.mean(topk_values, 1).cpu().detach().numpy()
# calculate image-level ROC AUC score
fpr, tpr, _ = roc_curve(gt_list, scores)
roc_auc = roc_auc_score(gt_list, scores)
total_roc_auc.append(roc_auc)
print('%s ROCAUC: %.3f' % (class_name, roc_auc))
fig_img_rocauc.plot(fpr,
tpr,
label='%s ROCAUC: %.3f' % (class_name, roc_auc))
score_map_list = []
for t_idx in tqdm(range(test_outputs['avgpool'].shape[0]),
'| localization | test | %s |' % class_name):
score_maps = []
for layer_name in ['layer1', 'layer2', 'layer3']: # for each layer
# construct a gallery of features at all pixel locations of the K nearest neighbors
topk_feat_map = paddle.stack([
train_outputs[layer_name][idx]
for idx in topk_indexes[t_idx].numpy().tolist()
])
test_feat_map = test_outputs[layer_name][t_idx:t_idx + 1]
feat_gallery = paddle.transpose(topk_feat_map, [0, 3, 2, 1])
feat_gallery = paddle.flatten(
feat_gallery, start_axis=0,
stop_axis=2).unsqueeze(-1).unsqueeze(-1)
# calculate distance matrix
dist_matrix_list = []
for d_idx in range(feat_gallery.shape[0] // 100):
dist = paddle.nn.PairwiseDistance()
dist_matrix = dist(
feat_gallery[d_idx * 100:d_idx * 100 + 100],
test_feat_map)
dist_matrix_list.append(dist_matrix)
dist_matrix = paddle.concat(dist_matrix_list, 0)
# k nearest features from the gallery (k=1)
score_map = paddle.min(dist_matrix, axis=0)
score_map = F.interpolate(score_map.unsqueeze(0).unsqueeze(0),
size=[224, 224],
mode='bilinear',
align_corners=False)
score_maps.append(score_map)
# average distance between the features
score_map = paddle.mean(paddle.concat(score_maps, 0), axis=0)
# apply gaussian smoothing on the score map
score_map = gaussian_filter(
score_map.squeeze().cpu().detach().numpy(), sigma=4)
score_map_list.append(score_map)
flatten_gt_mask_list = np.concatenate(gt_mask_list).ravel().astype(int)
flatten_score_map_list = np.concatenate(score_map_list).ravel()
# calculate per-pixel level ROCAUC
fpr, tpr, _ = roc_curve(flatten_gt_mask_list, flatten_score_map_list)
per_pixel_rocauc = roc_auc_score(flatten_gt_mask_list,
flatten_score_map_list)
total_pixel_roc_auc.append(per_pixel_rocauc)
print('%s pixel ROCAUC: %.3f' % (class_name, per_pixel_rocauc))
fig_pixel_rocauc.plot(fpr,
tpr,
label='%s ROCAUC: %.3f' %
(class_name, per_pixel_rocauc))
# get optimal threshold
precision, recall, thresholds = precision_recall_curve(
flatten_gt_mask_list, flatten_score_map_list)
a = 2 * precision * recall
b = precision + recall
f1 = np.divide(a, b, out=np.zeros_like(a), where=b != 0)
threshold = thresholds[np.nanargmax(f1)]
# visualize localization result
visualize_loc_result(test_imgs,
gt_mask_list,
score_map_list,
threshold,
args.save_path,
class_name,
vis_num=5)
print('Average ROCAUC: %.3f' % np.nanmean(total_roc_auc))
fig_img_rocauc.title.set_text('Average image ROCAUC: %.3f' %
np.nanmean(total_roc_auc))
fig_img_rocauc.legend(loc="lower right")
print('Average pixel ROCUAC: %.3f' % np.nanmean(total_pixel_roc_auc))
fig_pixel_rocauc.title.set_text('Average pixel ROCAUC: %.3f' %
np.nanmean(total_pixel_roc_auc))
fig_pixel_rocauc.legend(loc="lower right")
fig.tight_layout()
fig.savefig(os.path.join(args.save_path, 'roc_curve.png'), dpi=100)
def run(args):
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
args.model_type = args.model_type.lower()
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
set_seed(args)
if paddle.distributed.get_rank() == 0:
if os.path.exists(args.model_name_or_path):
print("init checkpoint from %s" % args.model_name_or_path)
model = model_class.from_pretrained(args.model_name_or_path)
if paddle.distributed.get_world_size() > 1:
model = paddle.DataParallel(model)
def prepare_train_features(examples):
# Tokenize our examples with truncation and maybe padding, but keep the overflows using a stride. This results
# in one example possible giving several features when a context is long, each of those features having a
# context that overlaps a bit the context of the previous feature.
contexts = [examples[i]['context'] for i in range(len(examples))]
questions = [examples[i]['question'] for i in range(len(examples))]
tokenized_examples = tokenizer(
questions,
contexts,
stride=args.doc_stride,
max_seq_len=args.max_seq_length)
for i, tokenized_example in enumerate(tokenized_examples):
# We will label impossible answers with the index of the CLS token.
input_ids = tokenized_example["input_ids"]
cls_index = input_ids.index(tokenizer.cls_token_id)
# The offset mappings will give us a map from token to character position in the original context. This will
# help us compute the start_positions and end_positions.
offsets = tokenized_example['offset_mapping']
# Grab the sequence corresponding to that example (to know what is the context and what is the question).
sequence_ids = tokenized_example['token_type_ids']
# One example can give several spans, this is the index of the example containing this span of text.
sample_index = tokenized_example['overflow_to_sample']
answers = examples[sample_index]['answers']
answer_starts = examples[sample_index]['answer_starts']
# If no answers are given, set the cls_index as answer.
if len(answer_starts) == 0:
tokenized_examples[i]["start_positions"] = cls_index
tokenized_examples[i]["end_positions"] = cls_index
tokenized_examples[i]['answerable_label'] = 0
else:
# Start/end character index of the answer in the text.
start_char = answer_starts[0]
end_char = start_char + len(answers[0])
# Start token index of the current span in the text.
token_start_index = 0
while sequence_ids[token_start_index] != 1:
token_start_index += 1
# End token index of the current span in the text.
token_end_index = len(input_ids) - 2
while sequence_ids[token_end_index] != 1:
token_end_index -= 1
# Detect if the answer is out of the span (in which case this feature is labeled with the CLS index).
if not (offsets[token_start_index][0] <= start_char and
offsets[token_end_index][1] >= end_char):
tokenized_examples[i]["start_positions"] = cls_index
tokenized_examples[i]["end_positions"] = cls_index
tokenized_examples[i]['answerable_label'] = 0
else:
# Otherwise move the token_start_index and token_end_index to the two ends of the answer.
# Note: we could go after the last offset if the answer is the last word (edge case).
while token_start_index < len(offsets) and offsets[
token_start_index][0] <= start_char:
token_start_index += 1
tokenized_examples[i][
"start_positions"] = token_start_index - 1
while offsets[token_end_index][1] >= end_char:
token_end_index -= 1
tokenized_examples[i]["end_positions"] = token_end_index + 1
tokenized_examples[i]['answerable_label'] = 1
return tokenized_examples
if args.do_train:
assert args.train_file != None, "--train_file should be set when training!"
train_ds = DuReaderChecklist().read(args.train_file)
train_ds.map(prepare_train_features, batched=True)
train_batch_sampler = paddle.io.DistributedBatchSampler(
train_ds, batch_size=args.batch_size, shuffle=True)
train_batchify_fn = lambda samples, fn=Dict({
"input_ids": Pad(axis=0, pad_val=tokenizer.pad_token_id),
"token_type_ids": Pad(axis=0, pad_val=tokenizer.pad_token_type_id),
"start_positions": Stack(dtype="int64"),
"end_positions": Stack(dtype="int64"),
"answerable_label": Stack(dtype="int64")
}): fn(samples)
train_data_loader = DataLoader(
dataset=train_ds,
batch_sampler=train_batch_sampler,
collate_fn=train_batchify_fn,
return_list=True)
num_training_steps = args.max_steps if args.max_steps > 0 else len(
train_data_loader) * args.num_train_epochs
if paddle.distributed.get_rank() == 0:
# dev_count = paddle.fluid.core.get_cuda_device_count()
# print("Device count: %d" % dev_count)
print("Num train examples: %d" % len(train_ds.data))
print("Max train steps: %d" % num_training_steps)
lr_scheduler = LinearDecayWithWarmup(
args.learning_rate, num_training_steps, args.warmup_proportion)
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
])
criterion = CrossEntropyLossForChecklist()
global_step = 0
tic_train = time.time()
for epoch in range(args.num_train_epochs):
for step, batch in enumerate(train_data_loader):
global_step += 1
input_ids, segment_ids, start_positions, end_positions, answerable_label = batch
logits = model(input_ids=input_ids, token_type_ids=segment_ids)
loss = criterion(logits, (start_positions, end_positions,answerable_label))
if global_step % args.logging_steps == 0:
print(
"global step %d, epoch: %d, batch: %d, loss: %f, speed: %.2f step/s"
% (global_step, epoch, step, loss,
args.logging_steps / (time.time() - tic_train)))
tic_train = time.time()
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_gradients()
if global_step % args.save_steps == 0 or global_step == num_training_steps:
if paddle.distributed.get_rank() == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# need better way to get inner model of DataParallel
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
model_to_save.save_pretrained(output_dir)
tokenizer.save_pretrained(output_dir)
print('Saving checkpoint to:', output_dir)
def prepare_validation_features(examples):
# Tokenize our examples with truncation and maybe padding, but keep the overflows using a stride. This results
# in one example possible giving several features when a context is long, each of those features having a
# context that overlaps a bit the context of the previous feature.
contexts = [examples[i]['context'] for i in range(len(examples))]
questions = [examples[i]['question'] for i in range(len(examples))]
tokenized_examples = tokenizer(
questions,
contexts,
stride=args.doc_stride,
max_seq_len=args.max_seq_length)
# For validation, there is no need to compute start and end positions
for i, tokenized_example in enumerate(tokenized_examples):
# Grab the sequence corresponding to that example (to know what is the context and what is the question).
sequence_ids = tokenized_example['token_type_ids']
# One example can give several spans, this is the index of the example containing this span of text.
sample_index = tokenized_example['overflow_to_sample']
tokenized_examples[i]["example_id"] = examples[sample_index]['id']
# Set to None the offset_mapping that are not part of the context so it's easy to determine if a token
# position is part of the context or not.
tokenized_examples[i]["offset_mapping"] = [
(o if sequence_ids[k] == 1 else None)
for k, o in enumerate(tokenized_example["offset_mapping"])
]
return tokenized_examples
if args.do_pred:
input_files = []
assert args.predict_file != None, "--predict_file should be set when predicting!"
for input_pattern in args.predict_file:
input_files.extend(glob.glob(input_pattern))
assert len(input_files) > 0, 'Can not find predict_file {}'.format(args.predict_file)
for input_file in input_files:
print('Run prediction on {}'.format(input_file))
prefix = os.path.basename(input_file)
prefix = re.sub('.json', '', prefix)
dev_ds = DuReaderChecklist().read(input_file)
dev_ds.map(prepare_validation_features, batched=True)
dev_batch_sampler = paddle.io.BatchSampler(
dev_ds, batch_size=args.batch_size, shuffle=False)
dev_batchify_fn = lambda samples, fn=Dict({
"input_ids": Pad(axis=0, pad_val=tokenizer.pad_token_id),
"token_type_ids": Pad(axis=0, pad_val=tokenizer.pad_token_type_id)
}): fn(samples)
dev_data_loader = DataLoader(
dataset=dev_ds,
batch_sampler=dev_batch_sampler,
collate_fn=dev_batchify_fn,
return_list=True)
if paddle.distributed.get_rank() == 0:
evaluate(model, dev_data_loader, args, prefix=prefix)
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import librosa
import numpy as np
import paddle
import paddleaudio
import pytest
from paddleaudio.transforms import ISTFT, STFT, MelSpectrogram
from paddleaudio.utils._librosa import melspectrogram
paddle.set_device('cpu')
EPS = 1e-8
import itertools
from utils import load_example_audio1
# test case for stft
def generate_stft_test():
n_fft = [512, 1024]
hop_length = [160, 320]
window = [
'hann',
'hamming',
('gaussian', 100), #, ('tukey', 0.5),
'blackman'
def run(args):
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
rank = paddle.distributed.get_rank()
args.model_type = args.model_type.lower()
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
set_seed(args)
train_examples = load_dataset('PaddlePaddle/dureader_robust',
split="train")
dev_examples = load_dataset('PaddlePaddle/dureader_robust',
split="validation")
column_names = train_examples.column_names
if rank == 0:
if os.path.exists(args.model_name_or_path):
print("init checkpoint from %s" % args.model_name_or_path)
model = model_class.from_pretrained(args.model_name_or_path)
if paddle.distributed.get_world_size() > 1:
model = paddle.DataParallel(model)
def prepare_train_features(examples):
# Tokenize our examples with truncation and maybe padding, but keep the overflows using a stride. This results
# in one example possible giving several features when a context is long, each of those features having a
# context that overlaps a bit the context of the previous feature.
# NOTE: Almost the same functionality as HuggingFace's prepare_train_features function. The main difference is
# that HugggingFace uses ArrowTable as basic data structure, while we use list of dictionary instead.
contexts = examples['context']
questions = examples['question']
tokenized_examples = tokenizer(questions,
contexts,
stride=args.doc_stride,
max_seq_len=args.max_seq_length)
# Since one example might give us several features if it has a long context, we need a map from a feature to
# its corresponding example. This key gives us just that.
sample_mapping = tokenized_examples.pop("overflow_to_sample")
# The offset mappings will give us a map from token to character position in the original context. This will
# help us compute the start_positions and end_positions.
offset_mapping = tokenized_examples.pop("offset_mapping")
# Let's label those examples!
tokenized_examples["start_positions"] = []
tokenized_examples["end_positions"] = []
for i, offsets in enumerate(offset_mapping):
# We will label impossible answers with the index of the CLS token.
input_ids = tokenized_examples["input_ids"][i]
cls_index = input_ids.index(tokenizer.cls_token_id)
# Grab the sequence corresponding to that example (to know what is the context and what is the question).
sequence_ids = tokenized_examples['token_type_ids'][i]
# One example can give several spans, this is the index of the example containing this span of text.
sample_index = sample_mapping[i]
answers = examples['answers'][sample_index]
# If no answers are given, set the cls_index as answer.
if len(answers["answer_start"]) == 0:
tokenized_examples["start_positions"].append(cls_index)
tokenized_examples["end_positions"].append(cls_index)
else:
# Start/end character index of the answer in the text.
start_char = answers["answer_start"][0]
end_char = start_char + len(answers["text"][0])
# Start token index of the current span in the text.
token_start_index = 0
while sequence_ids[token_start_index] != 1:
token_start_index += 1
# End token index of the current span in the text.
token_end_index = len(input_ids) - 1
while sequence_ids[token_end_index] != 1:
token_end_index -= 1
token_end_index -= 1
# Detect if the answer is out of the span (in which case this feature is labeled with the CLS index).
if not (offsets[token_start_index][0] <= start_char
and offsets[token_end_index][1] >= end_char):
tokenized_examples["start_positions"].append(cls_index)
tokenized_examples["end_positions"].append(cls_index)
else:
# Otherwise move the token_start_index and token_end_index to the two ends of the answer.
# Note: we could go after the last offset if the answer is the last word (edge case).
while token_start_index < len(offsets) and offsets[
token_start_index][0] <= start_char:
token_start_index += 1
tokenized_examples["start_positions"].append(
token_start_index - 1)
while offsets[token_end_index][1] >= end_char:
token_end_index -= 1
tokenized_examples["end_positions"].append(
token_end_index + 1)
return tokenized_examples
if args.do_train:
train_ds = train_examples.map(prepare_train_features,
batched=True,
remove_columns=column_names,
num_proc=4)
train_batch_sampler = paddle.io.DistributedBatchSampler(
train_ds, batch_size=args.batch_size, shuffle=True)
train_batchify_fn = lambda samples, fn=Dict(
{
"input_ids": Pad(axis=0, pad_val=tokenizer.pad_token_id),
"token_type_ids": Pad(axis=0,
pad_val=tokenizer.pad_token_type_id),
"start_positions": Stack(dtype="int64"),
"end_positions": Stack(dtype="int64")
}): fn(samples)
train_data_loader = DataLoader(dataset=train_ds,
batch_sampler=train_batch_sampler,
collate_fn=train_batchify_fn,
return_list=True)
num_training_steps = args.max_steps if args.max_steps > 0 else len(
train_data_loader) * args.num_train_epochs
num_train_epochs = math.ceil(num_training_steps /
len(train_data_loader))
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps,
args.warmup_proportion)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params)
criterion = CrossEntropyLossForSQuAD()
global_step = 0
tic_train = time.time()
for epoch in range(num_train_epochs):
for step, batch in enumerate(train_data_loader):
global_step += 1
input_ids, token_type_ids, start_positions, end_positions = batch
logits = model(input_ids=input_ids,
token_type_ids=token_type_ids)
loss = criterion(logits, (start_positions, end_positions))
if global_step % args.logging_steps == 0:
print(
"global step %d, epoch: %d, batch: %d, loss: %f, speed: %.2f step/s"
% (global_step, epoch + 1, step + 1, loss,
args.logging_steps / (time.time() - tic_train)))
tic_train = time.time()
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.save_steps == 0 or global_step == num_training_steps:
if rank == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# need better way to get inner model of DataParallel
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
model_to_save.save_pretrained(output_dir)
tokenizer.save_pretrained(output_dir)
print('Saving checkpoint to:', output_dir)
if global_step == num_training_steps:
break
def prepare_validation_features(examples):
# Tokenize our examples with truncation and maybe padding, but keep the overflows using a stride. This results
# in one example possible giving several features when a context is long, each of those features having a
# context that overlaps a bit the context of the previous feature.
#NOTE: Almost the same functionality as HuggingFace's prepare_train_features function. The main difference is
# that HugggingFace uses ArrowTable as basic data structure, while we use list of dictionary instead.
contexts = examples['context']
questions = examples['question']
tokenized_examples = tokenizer(questions,
contexts,
stride=args.doc_stride,
max_seq_len=args.max_seq_length,
return_attention_mask=True)
# Since one example might give us several features if it has a long context, we need a map from a feature to
# its corresponding example. This key gives us just that.
sample_mapping = tokenized_examples.pop("overflow_to_sample")
# For evaluation, we will need to convert our predictions to substrings of the context, so we keep the
# corresponding example_id and we will store the offset mappings.
tokenized_examples["example_id"] = []
for i in range(len(tokenized_examples["input_ids"])):
# Grab the sequence corresponding to that example (to know what is the context and what is the question).
sequence_ids = tokenized_examples['token_type_ids'][i]
context_index = 1
# One example can give several spans, this is the index of the example containing this span of text.
sample_index = sample_mapping[i]
tokenized_examples["example_id"].append(
examples["id"][sample_index])
# Set to None the offset_mapping that are not part of the context so it's easy to determine if a token
# position is part of the context or not.
tokenized_examples["offset_mapping"][i] = [
(o if sequence_ids[k] == context_index else None)
for k, o in enumerate(tokenized_examples["offset_mapping"][i])
]
return tokenized_examples
if args.do_predict and rank == 0:
dev_ds = dev_examples.map(prepare_validation_features,
batched=True,
remove_columns=column_names,
num_proc=4)
dev_batch_sampler = paddle.io.BatchSampler(dev_ds,
batch_size=args.batch_size,
shuffle=False)
dev_batchify_fn = lambda samples, fn=Dict({
"input_ids":
Pad(axis=0, pad_val=tokenizer.pad_token_id),
"token_type_ids":
Pad(axis=0, pad_val=tokenizer.pad_token_type_id)
}): fn(samples)
dev_data_loader = DataLoader(dataset=dev_ds,
batch_sampler=dev_batch_sampler,
collate_fn=dev_batchify_fn,
return_list=True)
evaluate(model, dev_examples, dev_data_loader, args)
def do_train(args):
assert args.device in [
"cpu", "gpu", "xpu"
], "Invalid device! Available device should be cpu, gpu, or xpu."
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
worker_index = paddle.distributed.get_rank()
worker_num = paddle.distributed.get_world_size()
set_seed(args)
worker_init = WorkerInitObj(args.seed + paddle.distributed.get_rank())
model_class, tokenizer_class = MODEL_CLASSES[args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
eod_id = tokenizer.command_name_map["eod"].Id
pretrained_models_list = list(
model_class.pretrained_init_configuration.keys())
if args.model_name_or_path in pretrained_models_list:
model = GPT2ForPretraining(
GPT2Model(**model_class.pretrained_init_configuration[
args.model_name_or_path]))
else:
model = GPT2ForPretraining.from_pretrained(args.model_name_or_path)
if args.decay_steps is None:
args.decay_steps = args.max_steps
warmup_step = args.warmup_rate * args.decay_steps
lr_scheduler = lr.CosineAnnealingWithWarmupDecay(
max_lr=args.max_lr,
min_lr=args.min_lr,
warmup_step=warmup_step,
decay_step=args.decay_steps)
clip = None
if args.grad_clip > 0:
clip = paddle.nn.ClipGradByNorm(clip_norm=args.grad_clip)
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
grad_clip=clip,
apply_decay_param_fun=lambda x: x in [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
])
if args.model_name_or_path not in pretrained_models_list:
opt_dict = paddle.load(
os.path.join(args.model_name_or_path, "model_state.pdopt"))
optimizer.set_state_dict(opt_dict)
# creat the critrion for the gpt model
criterion = GPT2PretrainingCriterion()
global_step = 0
tic_train = time.time()
for epoch in range(args.num_train_epochs):
files = [
os.path.join(args.input_dir, f) for f in os.listdir(args.input_dir)
if (os.path.isfile(os.path.join(args.input_dir, f))
and "npz_" not in str(f))
]
files.sort()
num_files = len(files)
for f_id in range(num_files):
data_file = files[f_id]
train_data_loader = create_pretrained_dataset(args,
data_file,
worker_init,
worker_index,
worker_num,
eod_id=eod_id)
for step, batch in enumerate(train_data_loader):
global_step += 1
tokens, loss_mask, attention_mask, position_ids, labels = batch
loss_mask.stop_gradient = True
attention_mask.stop_gradient = True
preds = model(tokens, position_ids, attention_mask)
loss = criterion(preds, labels, loss_mask)
if global_step % args.logging_steps == 0:
if worker_index == 0:
logger.info(
"global step %d, epoch: %d, lr: %.10f, batch: %d, loss: %f, speed: %.2f step/s"
% (global_step, epoch, optimizer.get_lr(), step,
loss, args.logging_steps /
(time.time() - tic_train)))
tic_train = time.time()
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.save_steps == 0 or global_step >= args.max_steps:
if worker_index == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# need better way to get inner model of DataParallel
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
logger.info("Save model to %s" % output_dir)
model_to_save.save_pretrained(output_dir)
tokenizer.save_pretrained(output_dir)
paddle.save(
optimizer.state_dict(),
os.path.join(output_dir, "model_state.pdopt"))
if global_step >= args.max_steps:
logger.info("The training process is complete.")
del train_data_loader
return
del train_data_loader
parser.add_argument("--num_angle", type=int, default=4)
parser.add_argument('--max_dist_2d', type=float, default=3.)
parser.add_argument('--cut_dist', type=float, default=5.)
parser.add_argument("--spa_w", type=float, default=0.1)
parser.add_argument("--gcl_w", type=float, default=1)
parser.add_argument("--tau", type=float, default=0.05)
args = parser.parse_args()
setup_seed(args.seed)
if not args.num_dist:
args.num_dist = 2 if args.cut_dist <= 4 else 4
if not os.path.isdir(args.model_dir):
os.mkdir(args.model_dir)
if int(args.cuda) == -1:
paddle.set_device('cpu')
else:
paddle.set_device('gpu:%s' % args.cuda)
if args.dataset in ['esol', 'lipop', 'freesolv']:
args.task = 'regression'
elif args.dataset in ['clintox', 'sider', 'tox21', 'toxcast']:
args.task = ' classification'
else:
print('The dataset %s is not included.' % args.dataset)
exit(-1)
data_2d = Molecule2DView(args.data_dir, args.dataset)
data_3d = Molecule3DView(args.data_dir, args.dataset, args.cut_dist, args.num_angle, args.num_dist)
assert len(data_2d) == len(data_3d)
node_in_dim = data_2d.atom_feat_dim
def do_train(args):
paddle.set_device(args.device)
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
set_seed(args)
worker_init = WorkerInitObj(args.seed + paddle.distributed.get_rank())
args.model_type = args.model_type.lower()
base_class, model_class, criterion_class, tokenizer_class = MODEL_CLASSES[
args.model_type]
tokenizer = tokenizer_class.from_pretrained(args.model_name_or_path)
model = model_class(
base_class(**model_class.pretrained_init_configuration[
args.model_name_or_path]))
criterion = criterion_class(
getattr(model, model_class.base_model_prefix).config["vocab_size"])
if paddle.distributed.get_world_size() > 1:
model = paddle.DataParallel(model)
# If use defalut last_epoch, lr of the first iteration is 0.
# Use `last_epoch = 0` to be consistent with nv bert.
num_training_steps = args.max_steps if args.max_steps > 0 else len(
train_data_loader) * args.num_train_epochs
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps,
args.warmup_steps,
last_epoch=0)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
epsilon=args.adam_epsilon,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params)
if args.use_amp:
scaler = paddle.amp.GradScaler(init_loss_scaling=args.scale_loss)
pool = ThreadPoolExecutor(1)
global_step = 0
tic_train = time.time()
for epoch in range(args.num_train_epochs):
files = [
os.path.join(args.input_dir, f) for f in os.listdir(args.input_dir)
if os.path.isfile(os.path.join(args.input_dir, f))
and "training" in f
]
files.sort()
num_files = len(files)
random.Random(args.seed + epoch).shuffle(files)
f_start_id = 0
shared_file_list = {}
if paddle.distributed.get_world_size() > num_files:
remainder = paddle.distributed.get_world_size() % num_files
data_file = files[
(f_start_id * paddle.distributed.get_world_size() +
paddle.distributed.get_rank() + remainder * f_start_id) %
num_files]
else:
data_file = files[
(f_start_id * paddle.distributed.get_world_size() +
paddle.distributed.get_rank()) % num_files]
previous_file = data_file
train_data_loader, _ = create_pretraining_dataset(
data_file, args.max_predictions_per_seq, shared_file_list, args,
worker_init)
# TODO(guosheng): better way to process single file
single_file = True if f_start_id + 1 == len(files) else False
for f_id in range(f_start_id, len(files)):
if not single_file and f_id == f_start_id:
continue
if paddle.distributed.get_world_size() > num_files:
data_file = files[(f_id * paddle.distributed.get_world_size() +
paddle.distributed.get_rank() +
remainder * f_id) % num_files]
else:
data_file = files[(f_id * paddle.distributed.get_world_size() +
paddle.distributed.get_rank()) % num_files]
previous_file = data_file
dataset_future = pool.submit(create_pretraining_dataset, data_file,
args.max_predictions_per_seq,
shared_file_list, args, worker_init)
for step, batch in enumerate(train_data_loader):
global_step += 1
(input_ids, segment_ids, input_mask, masked_lm_positions,
masked_lm_labels, next_sentence_labels,
masked_lm_scale) = batch
with paddle.amp.auto_cast(
args.use_amp,
custom_white_list=["layer_norm", "softmax", "gelu"]):
prediction_scores, seq_relationship_score = model(
input_ids=input_ids,
token_type_ids=segment_ids,
attention_mask=input_mask,
masked_positions=masked_lm_positions)
loss = criterion(prediction_scores, seq_relationship_score,
masked_lm_labels, next_sentence_labels,
masked_lm_scale)
if args.use_amp:
scaler.scale(loss).backward()
scaler.minimize(optimizer, loss)
else:
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.logging_steps == 0:
if paddle.distributed.get_rank() == 0:
logger.info(
"global step %d, epoch: %d, batch: %d, loss: %f, speed: %.2f step/s"
% (global_step, epoch, step, loss,
args.logging_steps / (time.time() - tic_train)))
tic_train = time.time()
if global_step % args.save_steps == 0:
if paddle.distributed.get_rank() == 0:
output_dir = os.path.join(args.output_dir,
"model_%d" % global_step)
if not os.path.exists(output_dir):
os.makedirs(output_dir)
# need better way to get inner model of DataParallel
model_to_save = model._layers if isinstance(
model, paddle.DataParallel) else model
model_to_save.save_pretrained(output_dir)
tokenizer.save_pretrained(output_dir)
paddle.save(
optimizer.state_dict(),
os.path.join(output_dir, "model_state.pdopt"))
if global_step >= args.max_steps:
del train_data_loader
return
del train_data_loader
train_data_loader, data_file = dataset_future.result(timeout=None)
shuffle = True if mode == 'train' else False
if mode == "train":
sampler = paddle.io.DistributedBatchSampler(
dataset=dataset, batch_size=batch_size, shuffle=shuffle)
else:
sampler = paddle.io.BatchSampler(
dataset=dataset, batch_size=batch_size, shuffle=shuffle)
dataloader = paddle.io.DataLoader(
dataset, batch_sampler=sampler, collate_fn=batchify_fn)
return dataloader
if __name__ == "__main__":
paddle.set_device(args.device)
set_seed()
# Loads vocab.
if not os.path.exists(args.vocab_path):
raise RuntimeError('The vocab_path can not be found in the path %s' %
args.vocab_path)
vocab = Vocab.load_vocabulary(
args.vocab_path, unk_token='[UNK]', pad_token='[PAD]')
# Loads dataset.
train_ds, dev_ds, test_ds = load_dataset(
"chnsenticorp", splits=["train", "dev", "test"])
# Constructs the newtork.
model = ppnlp.models.Senta(
def test_fit_by_epoch(self):
base_lr = 1e-3
boundaries = [5, 8]
epochs = 10
wamup_epochs = 4
def make_optimizer(parameters=None):
momentum = 0.9
weight_decay = 5e-4
values = [base_lr * (0.1**i) for i in range(len(boundaries) + 1)]
learning_rate = paddle.optimizer.lr.PiecewiseDecay(
boundaries=boundaries, values=values)
learning_rate = paddle.optimizer.lr.LinearWarmup(
learning_rate=learning_rate,
warmup_steps=wamup_epochs,
start_lr=base_lr / 5.,
end_lr=base_lr,
verbose=True)
optimizer = paddle.optimizer.Momentum(learning_rate=learning_rate,
weight_decay=weight_decay,
momentum=momentum,
parameters=parameters)
return optimizer
# dynamic test
device = paddle.set_device('cpu')
fluid.enable_dygraph(device)
net = MyModel()
inputs = [InputSpec([None, 20], 'float32', 'x')]
labels = [InputSpec([None, 1], 'int64', 'label')]
optim = make_optimizer(net.parameters())
model = Model(net, inputs, labels)
model.prepare(optimizer=optim, loss=CrossEntropyLoss(reduction="sum"))
dataset = MyDataset()
lr_scheduler_callback = paddle.callbacks.LRScheduler(by_step=False,
by_epoch=True)
model.fit(dataset,
dataset,
batch_size=4,
epochs=epochs,
num_workers=0,
callbacks=lr_scheduler_callback)
cnt = 0
for b in boundaries:
if b + wamup_epochs <= epochs:
cnt += 1
np.testing.assert_allclose(model._optimizer._learning_rate.last_lr,
base_lr * (0.1**cnt))
# static test
paddle.enable_static()
net = MyModel()
inputs = [InputSpec([None, 20], 'float32', 'x')]
labels = [InputSpec([None, 1], 'int64', 'label')]
optim = make_optimizer(net.parameters())
model = Model(net, inputs, labels)
model.prepare(optimizer=optim, loss=CrossEntropyLoss(reduction="sum"))
dataset = MyDataset()
lr_scheduler_callback = paddle.callbacks.LRScheduler(by_step=False,
by_epoch=True)
model.fit(dataset,
dataset,
batch_size=4,
epochs=epochs,
num_workers=0,
callbacks=lr_scheduler_callback)
cnt = 0
for b in boundaries:
if b + wamup_epochs <= epochs:
cnt += 1
np.testing.assert_allclose(model._optimizer._learning_rate.last_lr,
base_lr * (0.1**cnt))
def do_train(args):
device = paddle.set_device(args.device)
metric_class = METRIC_CLASSES[args.task_name]
metric = metric_class()
if args.task_name == 'qqp':
train_data_loader, dev_data_loader = create_pair_loader_for_small_model(
task_name=args.task_name,
vocab_path=args.vocab_path,
model_name=args.model_name,
batch_size=args.batch_size)
else:
train_data_loader, dev_data_loader = create_data_loader_for_small_model(
task_name=args.task_name,
vocab_path=args.vocab_path,
model_name=args.model_name if args.task_name == 'sst-2' else None,
batch_size=args.batch_size)
model = BiLSTM(args.emb_dim, args.hidden_size, args.vocab_size,
args.output_dim, args.vocab_path, args.padding_idx,
args.num_layers, args.dropout_prob, args.init_scale,
args.embedding_name)
loss_fct = nn.CrossEntropyLoss()
if args.optimizer == 'adadelta':
optimizer = paddle.optimizer.Adadelta(learning_rate=args.lr,
rho=0.95,
parameters=model.parameters())
else:
optimizer = paddle.optimizer.Adam(learning_rate=args.lr,
parameters=model.parameters())
if args.init_from_ckpt:
model.set_state_dict(paddle.load(args.init_from_ckpt + ".pdparams"))
optimizer.set_state_dict(paddle.load(args.init_from_ckpt + ".pdopt"))
print("Loaded checkpoint from %s" % args.init_from_ckpt)
global_step = 0
tic_train = time.time()
for epoch in range(args.max_epoch):
for i, batch in enumerate(train_data_loader):
global_step += 1
if args.task_name == 'qqp':
input_ids_1, seq_len_1, input_ids_2, seq_len_2, labels = batch
logits = model(input_ids_1, seq_len_1, input_ids_2, seq_len_2)
else:
input_ids, seq_len, labels = batch
logits = model(input_ids, seq_len)
loss = loss_fct(logits, labels)
loss.backward()
optimizer.step()
optimizer.clear_grad()
if global_step % args.log_freq == 0:
with paddle.no_grad():
print(
"global step %d, epoch: %d, batch: %d, loss: %f, speed: %.4f step/s"
% (global_step, epoch, i, loss, args.log_freq /
(time.time() - tic_train)))
tic_eval = time.time()
acc = evaluate(args.task_name, model, loss_fct, metric,
dev_data_loader)
print("eval done total : %s s" % (time.time() - tic_eval))
tic_train = time.time()
if global_step % args.save_steps == 0:
paddle.save(
model.state_dict(),
os.path.join(args.output_dir,
"step_" + str(global_step) + ".pdparams"))
paddle.save(
optimizer.state_dict(),
os.path.join(args.output_dir,
"step_" + str(global_step) + ".pdopt"))
# Shape: (batch_size, embedding_dim)
summed = self.bow_encoder(embedded_text)
summed = self.dropout(summed)
encoded_text = paddle.tanh(summed)
# Shape: (batch_size, hidden_size)
fc1_out = paddle.tanh(self.fc1(encoded_text))
# Shape: (batch_size, fc_hidden_size)
fc2_out = paddle.tanh(self.fc2(fc1_out))
# Shape: (batch_size, num_classes)
logits = self.output_layer(fc2_out)
return logits
if __name__ == '__main__':
paddle.set_device('gpu') if args.use_gpu else paddle.set_device('cpu')
# Loads vocab.
if not os.path.exists(args.vocab_path):
raise RuntimeError('The vocab_path can not be found in the path %s' %
args.vocab_path)
vocab = data.load_vocab(args.vocab_path)
if '[PAD]' not in vocab:
vocab['[PAD]'] = len(vocab)
# Loads dataset.
train_ds, dev_ds, test_ds = ChnSentiCorp.get_datasets(
['train', 'dev', 'test'])
# Constructs the newtork.
num_classes = len(train_ds.get_labels())
def do_train():
paddle.set_device(args.device)
rank = paddle.distributed.get_rank()
if paddle.distributed.get_world_size() > 1:
paddle.distributed.init_parallel_env()
set_seed(args.seed)
train_ds = load_dataset(read_text_pair,
data_path=args.train_set_file,
lazy=False)
# If you wanna use bert/roberta pretrained model,
# pretrained_model = ppnlp.transformers.BertModel.from_pretrained('bert-base-chinese')
# pretrained_model = ppnlp.transformers.RobertaModel.from_pretrained('roberta-wwm-ext')
pretrained_model = ppnlp.transformers.ErnieModel.from_pretrained(
'ernie-1.0')
# If you wanna use bert/roberta pretrained model,
# tokenizer = ppnlp.transformers.BertTokenizer.from_pretrained('bert-base-chinese')
# tokenizer = ppnlp.transformers.RobertaTokenizer.from_pretrained('roberta-wwm-ext')
tokenizer = ppnlp.transformers.ErnieTokenizer.from_pretrained('ernie-1.0')
trans_func = partial(convert_example,
tokenizer=tokenizer,
max_seq_length=args.max_seq_length)
batchify_fn = lambda samples, fn=Tuple(
Pad(axis=0, pad_val=tokenizer.pad_token_id), # query_input
Pad(axis=0, pad_val=tokenizer.pad_token_type_id), # query_segment
Pad(axis=0, pad_val=tokenizer.pad_token_id), # title_input
Pad(axis=0, pad_val=tokenizer.pad_token_type_id), # tilte_segment
): [data for data in fn(samples)]
train_data_loader = create_dataloader(train_ds,
mode='train',
batch_size=args.batch_size,
batchify_fn=batchify_fn,
trans_fn=trans_func)
model = SemanticIndexBatchNeg(pretrained_model,
margin=args.margin,
scale=args.scale,
output_emb_size=args.output_emb_size)
if args.init_from_ckpt and os.path.isfile(args.init_from_ckpt):
state_dict = paddle.load(args.init_from_ckpt)
model.set_dict(state_dict)
print("warmup from:{}".format(args.init_from_ckpt))
model = paddle.DataParallel(model)
num_training_steps = len(train_data_loader) * args.epochs
lr_scheduler = LinearDecayWithWarmup(args.learning_rate,
num_training_steps,
args.warmup_proportion)
# Generate parameter names needed to perform weight decay.
# All bias and LayerNorm parameters are excluded.
decay_params = [
p.name for n, p in model.named_parameters()
if not any(nd in n for nd in ["bias", "norm"])
]
optimizer = paddle.optimizer.AdamW(
learning_rate=lr_scheduler,
parameters=model.parameters(),
weight_decay=args.weight_decay,
apply_decay_param_fun=lambda x: x in decay_params)
global_step = 0
tic_train = time.time()
for epoch in range(1, args.epochs + 1):
for step, batch in enumerate(train_data_loader, start=1):
query_input_ids, query_token_type_ids, title_input_ids, title_token_type_ids = batch
loss = model(query_input_ids=query_input_ids,
title_input_ids=title_input_ids,
query_token_type_ids=query_token_type_ids,
title_token_type_ids=title_token_type_ids)
global_step += 1
if global_step % 10 == 0 and rank == 0:
print(
"global step %d, epoch: %d, batch: %d, loss: %.5f, speed: %.2f step/s"
% (global_step, epoch, step, loss, 10 /
(time.time() - tic_train)))
tic_train = time.time()
loss.backward()
optimizer.step()
lr_scheduler.step()
optimizer.clear_grad()
if global_step % args.save_steps == 0 and rank == 0:
save_dir = os.path.join(args.save_dir,
"model_%d" % global_step)
if not os.path.exists(save_dir):
os.makedirs(save_dir)
save_param_path = os.path.join(save_dir,
'model_state.pdparams')
paddle.save(model.state_dict(), save_param_path)
tokenizer.save_pretrained(save_dir)
