def main(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
mp = torch.multiprocessing.get_context('spawn')
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
procs.append(
mp.Process(target=run,
args=(
opt,
device_id,
error_queue,
),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
for p in procs:
p.join()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
def run(opt, device_id, error_queue, batch_queue, semaphore):
try:
gpu_rank = onmt.utils.distributed.multi_init(opt, device_id)
if gpu_rank != opt.gpu_ranks[device_id]:
raise AssertionError("An error occurred in \
Distributed initialization")
single_main(opt, device_id, batch_queue, semaphore)
except KeyboardInterrupt:
pass
def main(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
if opt.gpu > -1: # case GPU
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
def main(opt, train_type):
if opt.rnn_type == "SRU" and not opt.gpuid:
raise AssertionError("Using SRU requires -gpuid set.")
if opt.epochs:
raise AssertionError("-epochs is deprecated please use -train_steps.")
if len(opt.gpuid) > 1:
multi_main(opt, train_type)
else:
single_main(opt, train_type)
def run(opt, error_queue):
""" run process """
try:
opt.gpu_rank = onmt.utils.distributed.multi_init(opt)
single_main(opt)
except KeyboardInterrupt:
pass # killed by parent, do nothing
except Exception:
# propagate exception to parent process, keeping original traceback
import traceback
error_queue.put((opt.gpu_rank, traceback.format_exc()))
def run(opt, device_id, error_queue, batch_queue, semaphore):
""" run process """
try:
gpu_rank = onmt.utils.distributed.multi_init(opt, device_id)
if gpu_rank != opt.gpu_ranks[device_id]:
raise AssertionError("An error occurred in \
Distributed initialization")
single_main(opt, device_id, batch_queue, semaphore)
except KeyboardInterrupt:
pass # killed by parent, do nothing
except Exception:
# propagate exception to parent process, keeping original traceback
import traceback
error_queue.put((opt.gpu_ranks[device_id], traceback.format_exc()))
def main(opt):
if opt.rnn_type == "SRU" and not opt.gpuid:
raise AssertionError("Using SRU requires -gpuid set.")
if opt.epochs:
raise AssertionError("-epochs is deprecated please use -train_steps.")
if opt.truncated_decoder > 0 and opt.accum_count > 1:
raise AssertionError("BPTT is not compatible with -accum > 1")
if len(opt.gpuid) > 1:
multi_main(opt)
else:
single_main(opt)
def main(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
# Load checkpoint if we resume from a previous training.
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
vocab = checkpoint['vocab']
else:
data = torch.load(opt.data)
single_main(opt, opt.gpu, data)
def main():
opt = parse_args()
print(
"[train.py] opt.model_mode: {}, opt.model_mode2: {}, opt.model_ffn_mode: {}"
.format(opt.model_mode, opt.model_mode2, opt.model_ffn_mode))
if opt.rnn_type == "SRU" and not opt.gpu_ranks:
raise AssertionError("Using SRU requires -gpu_ranks set.")
if opt.epochs:
raise AssertionError("-epochs is deprecated please use -train_steps.")
if opt.truncated_decoder > 0 and opt.accum_count > 1:
raise AssertionError("BPTT is not compatible with -accum > 1")
if opt.gpuid:
raise AssertionError("gpuid is deprecated \
see world_size and gpu_ranks")
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
mp = torch.multiprocessing.get_context('spawn')
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
procs.append(
mp.Process(target=run,
args=(
opt,
device_id,
error_queue,
),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
for p in procs:
p.join()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
def main(opt):
if opt.rnn_type == "SRU" and not opt.gpu_ranks:
raise AssertionError("Using SRU requires -gpu_ranks set.")
if opt.epochs:
raise AssertionError("-epochs is deprecated please use -train_steps.")
if opt.truncated_decoder > 0 and opt.accum_count > 1:
raise AssertionError("BPTT is not compatible with -accum > 1")
if opt.gpuid:
raise AssertionError("gpuid is deprecated \
see world_size and gpu_ranks")
# add by wchen
# if opt.encoder_type == "hr_brnn":
# assert not opt.copy_attn, "currently, no copy is available for hr_brnn encoder"
# add by wchen
assert opt.save_checkpoint_steps == opt.valid_steps
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
mp = torch.multiprocessing.get_context('spawn')
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
procs.append(mp.Process(target=run, args=(
opt, device_id, error_queue, ), daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
for p in procs:
p.join()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
def train(opt):
ArgumentParser.validate_train_opts(opt)
set_random_seed(opt.seed, False)
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
vocab = checkpoint['vocab']
else:
vocab = torch.load(opt.data + '.vocab.pt')
if old_style_vocab(vocab):
fields = load_old_vocab(vocab,
opt.model_type,
dynamic_dict=opt.copy_attn)
else:
fields = vocab
patch_fields(opt, fields)
if len(opt.data_ids) > 1:
train_shards = []
for train_id in opt.data_ids:
shard_base = "train_" + train_id
train_shards.append(shard_base)
train_iter = build_dataset_iter_multiple(train_shards, fields, opt)
else:
if opt.data_ids[0] is not None:
shard_base = "train_" + opt.data_ids[0]
else:
shard_base = "train"
train_iter = build_dataset_iter(shard_base, fields, opt)
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
queues = []
mp = torch.multiprocessing.get_context('spawn')
semaphore = mp.Semaphore(opt.world_size * opt.queue_size)
procs = []
for device_id in range(nb_gpu):
q = mp.Queue(opt.queue_size)
queues += [q]
procs.append(
mp.Process(target=run,
args=(opt, device_id, error_queue, q, semaphore),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
producer = mp.Process(target=batch_producer,
args=(
train_iter,
queues,
semaphore,
opt,
),
daemon=True)
producer.start()
error_handler.add_child(producer.pid)
for p in procs:
p.join()
producer.terminate()
elif nb_gpu == 1:
single_main(opt, 0)
else:
single_main(opt, -1)
def main(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
init_logger(opt.log_file)
assert len(opt.accum_count) == len(opt.accum_steps), \
'Number of accum_count values must match number of accum_steps'
# Load checkpoint if we resume from a previous training.
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
# 将模型参数导入到CPU
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
model_opt = ArgumentParser.ckpt_model_opts(checkpoint["opt"])
ArgumentParser.update_model_opts(model_opt)
ArgumentParser.validate_model_opts(model_opt)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
else:
checkpoint = None
model_opt = opt
# Build Tokenizaer
################################
# Build model.
model = build_model(model_opt, opt, fields, checkpoint)
# 输出参数个数
n_params, enc, dec = _tally_parameters(model)
logger.info('encoder: %d' % enc)
logger.info('decoder: %d' % dec)
logger.info('* number of parameters: %d' % n_params)
# 检查模型保存路径，如果不存在则创建
_check_save_model_path(opt)
# Build optimizer.
optim = Optimizer.from_opt(model, opt, checkpoint=checkpoint)
# Build model saver
model_saver = build_model_saver(model_opt, opt, model, fields, optim)
trainer = build_trainer(
opt, device_id, model, fields, optim, model_saver=model_saver)
train_iterables = []
if len(opt.data_ids) > 1:
for train_id in opt.data_ids:
shard_base = "train_" + train_id
iterable = build_dataset_iter(shard_base, fields, opt, multi=True)
train_iterables.append(iterable)
train_iter = MultipleDatasetIterator(train_iterables, device_id, opt)
else:
train_iter = build_dataset_iter("train", fields, opt)
valid_iter = build_dataset_iter(
"valid", fields, opt, is_train=False)
if len(opt.gpu_ranks):
logger.info('Starting training on GPU: %s' % opt.gpu_ranks)
else:
logger.info('Starting training on CPU, could be very slow')
train_steps = opt.train_steps
if opt.single_pass and train_steps > 0:
logger.warning("Option single_pass is enabled, ignoring train_steps.")
train_steps = 0
trainer.train(
train_iter,
train_steps,
save_checkpoint_steps=opt.save_checkpoint_steps,
valid_iter=valid_iter,
valid_steps=opt.valid_steps)
if opt.tensorboard:
trainer.report_manager.tensorboard_writer.close()
########################
if opt.use_gpu:
if opt.gpus == []:
pass
else:
pass
else:
# use cpu
pass
single_main(opt, 0)
else: # case only CPU
def train(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
if opt.train_from != '':
raise Exception(
'train_from will be set automatically to the latest model, you should not set it manually'
)
# set gpu ranks automatically if not specified
if len(opt.gpu_ranks) == 0:
opt.gpu_ranks = list(range(opt.world_size))
# Set train_from to latest checkpoint if it exists
file_list = glob.glob(opt.save_model + '*.pt')
if len(os.listdir(os.path.dirname(
opt.save_model))) > 0 and len(file_list) == 0:
raise Exception(
'save_model directory is not empty but no pretrained models found')
if len(file_list) > 0:
ckpt_nos = list(
map(lambda x: int(x.split('_')[-1].split('.')[0]), file_list))
ckpt_no = max(ckpt_nos)
opt.train_from = opt.save_model + '_' + str(ckpt_no) + '.pt'
print(opt.train_from)
assert os.path.exists(opt.train_from)
set_random_seed(opt.seed, False)
# Load checkpoint if we resume from a previous training.
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
vocab = checkpoint['vocab']
else:
vocab = torch.load(opt.data + '.vocab.pt')
# check for code where vocab is saved instead of fields
# (in the future this will be done in a smarter way)
if old_style_vocab(vocab):
fields = load_old_vocab(vocab,
opt.model_type,
dynamic_dict=opt.copy_attn)
else:
fields = vocab
if len(opt.data_ids) > 1:
train_shards = []
for train_id in opt.data_ids:
shard_base = "train_" + train_id
train_shards.append(shard_base)
train_iter = build_dataset_iter_multiple(train_shards, fields, opt)
else:
if opt.data_ids[0] is not None:
shard_base = "train_" + opt.data_ids[0]
else:
shard_base = "train"
train_iter = build_dataset_iter(shard_base, fields, opt)
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
queues = []
mp = torch.multiprocessing.get_context('spawn')
semaphore = mp.Semaphore(opt.world_size * opt.queue_size)
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
q = mp.Queue(opt.queue_size)
queues += [q]
procs.append(
mp.Process(target=run,
args=(opt, device_id, error_queue, q, semaphore),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
producer = mp.Process(target=batch_producer,
args=(
train_iter,
queues,
semaphore,
opt,
),
daemon=True)
producer.start()
error_handler.add_child(producer.pid)
for p in procs:
p.join()
producer.terminate()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
def train(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
set_random_seed(opt.seed, False)
# @Memray, check the dir existence beforehand to avoid path conflicting errors,
# and set save_model, tensorboard_log_dir, wandb_log_dir if not exist
train_single._check_save_model_path(opt)
if not os.path.exists(opt.tensorboard_log_dir):
os.makedirs(opt.tensorboard_log_dir)
# Scan previous checkpoint to resume training
latest_step = 0
latest_ckpt = None
for subdir, dirs, filenames in os.walk(opt.exp_dir):
for filename in sorted(filenames):
if not filename.endswith('.pt'):
continue
step = int(filename[filename.rfind('_') + 1:filename.rfind('.pt')])
if step > latest_step:
latest_ckpt = os.path.join(subdir, filename)
latest_step = step
# if not saved in the exp folder, check opt.save_model
if latest_ckpt is None and opt.save_model is not None:
save_model_dir = os.path.dirname(os.path.abspath(opt.save_model))
model_prefix = opt.save_model[opt.save_model.rfind(os.path.sep) + 1:]
for subdir, dirs, filenames in os.walk(save_model_dir):
for filename in sorted(filenames):
if not filename.endswith('.pt'):
continue
if not filename.startswith(model_prefix):
continue
step = int(filename[filename.rfind('_') +
1:filename.rfind('.pt')])
if step > latest_step:
latest_ckpt = os.path.join(subdir, filename)
latest_step = step
if latest_ckpt is not None:
logger.info("A previous checkpoint is found, train from it: %s" %
latest_ckpt)
setattr(opt, 'train_from', latest_ckpt)
setattr(opt, 'reset_optim', 'none')
# Load checkpoint if we resume from a previous training.
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
vocab = checkpoint['vocab']
elif opt.vocab and opt.vocab != 'none':
# added by @memray for multiple datasets
vocab = torch.load(opt.vocab)
# check for code where vocab is saved instead of fields
# (in the future this will be done in a smarter way)
if old_style_vocab(vocab):
vocab = load_old_vocab(vocab,
opt.model_type,
dynamic_dict=opt.copy_attn)
elif opt.encoder_type == 'pretrained':
vocab = None
else:
vocab = None
fields = vocab
# @memray: a temporary workaround, as well as train_single.py line 78
if fields and opt.data_type == "keyphrase":
if opt.tgt_type in ["one2one", "multiple"]:
if 'sep_indices' in fields:
del fields['sep_indices']
else:
if 'sep_indices' not in fields:
sep_indices = Field(use_vocab=False,
dtype=torch.long,
postprocessing=make_tgt,
sequential=False)
fields["sep_indices"] = sep_indices
if 'src_ex_vocab' not in fields:
src_ex_vocab = RawField()
fields["src_ex_vocab"] = src_ex_vocab
# @memray reload fields for news dataset and pretrained models
tokenizer = None
if opt.pretrained_tokenizer is not None:
tokenizer = load_pretrained_tokenizer(opt.pretrained_tokenizer,
opt.cache_dir,
opt.special_vocab_path)
setattr(opt, 'vocab_size', len(tokenizer))
if opt.data_type == 'news':
fields = reload_news_fields(opt, tokenizer=tokenizer)
# elif opt.data_type == 'keyphrase':
# fields = reload_keyphrase_fields(opt, tokenizer=tokenizer)
if len(opt.data_ids) > 1:
# added by @memray, for loading multiple datasets
if opt.multi_dataset:
shard_base = "train"
train_iter = build_dataset_iter(shard_base,
fields,
opt,
multi=True)
else:
train_shards = []
for train_id in opt.data_ids:
shard_base = "train_" + train_id
train_shards.append(shard_base)
train_iter = build_dataset_iter_multiple(train_shards, fields, opt)
else:
shard_base = "train"
train_iter = build_dataset_iter(shard_base, fields, opt)
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
queues = []
mp = torch.multiprocessing.get_context('spawn')
semaphore = mp.Semaphore(opt.world_size * opt.queue_size)
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
q = mp.Queue(opt.queue_size)
queues += [q]
procs.append(
mp.Process(target=run,
args=(opt, device_id, error_queue, q, semaphore),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
producer = mp.Process(target=batch_producer,
args=(
train_iter,
queues,
semaphore,
opt,
),
daemon=True)
producer.start()
error_handler.add_child(producer.pid)
for p in procs:
p.join()
producer.terminate()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
def main(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
# Load checkpoint if we resume from a previous training.
aux_vocab = None
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
vocab = checkpoint['vocab']
if opt.crosslingual:
aux_vocab = checkpoint['aux_vocab']
elif opt.crosslingual:
assert opt.crosslingual in ['old', 'lm']
vocab = torch.load(opt.data + '.vocab.pt')
aux_vocab = torch.load(opt.aux_train_data + '.vocab.pt')
else:
vocab = torch.load(opt.data + '.vocab.pt')
# check for code where vocab is saved instead of fields
# (in the future this will be done in a smarter way)
def get_fields(vocab):
if old_style_vocab(vocab):
return load_old_vocab(vocab,
opt.model_type,
dynamic_dict=opt.copy_attn)
else:
return vocab
fields = get_fields(vocab)
aux_fields = None
if opt.crosslingual:
aux_fields = get_fields(aux_vocab)
if opt.crosslingual:
if opt.crosslingual == 'old':
aeq(len(opt.eat_formats), 3)
fields_info = [
('train', fields, 'data', Eat2PlainMonoTask, 'base',
opt.eat_formats[0]),
('train', aux_fields, 'aux_train_data', Eat2PlainAuxMonoTask,
'aux', opt.eat_formats[1]),
('train', aux_fields, 'aux_train_data',
Eat2PlainCrosslingualTask, 'crosslingual', opt.eat_format[2])
]
else:
aeq(len(opt.eat_formats), 4)
fields_info = [
('train', fields, 'data', Eat2PlainMonoTask, 'base',
opt.eat_formats[0]),
('train', fields, 'data', EatLMMonoTask, 'lm',
opt.eat_formats[1]),
('train', aux_fields, 'aux_train_data', Eat2PlainAuxMonoTask,
'aux', opt.eat_formats[2]),
('train', aux_fields, 'aux_train_data', EatLMCrosslingualTask,
'crosslingual', opt.eat_formats[3])
]
train_iter = build_crosslingual_dataset_iter(fields_info, opt)
elif len(opt.data_ids) > 1:
train_shards = []
for train_id in opt.data_ids:
shard_base = "train_" + train_id
train_shards.append(shard_base)
train_iter = build_dataset_iter_multiple(train_shards, fields, opt)
else:
if opt.data_ids[0] is not None:
shard_base = "train_" + opt.data_ids[0]
else:
shard_base = "train"
train_iter = build_dataset_iter(shard_base, fields, opt)
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
queues = []
mp = torch.multiprocessing.get_context('spawn')
semaphore = mp.Semaphore(opt.world_size * opt.queue_size)
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
q = mp.Queue(opt.queue_size)
queues += [q]
procs.append(
mp.Process(target=run,
args=(opt, device_id, error_queue, q, semaphore),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
producer = mp.Process(target=batch_producer,
args=(
train_iter,
queues,
semaphore,
opt,
),
daemon=True)
producer.start()
error_handler.add_child(producer.pid)
for p in procs:
p.join()
producer.terminate()
else:
device_id = 0 if nb_gpu == 1 else -1
# NOTE Only pass train_iter in my crosslingual mode.
train_iter = train_iter if opt.crosslingual else None
passed_fields = {
'main': fields,
'crosslingual': aux_fields
} if opt.crosslingual else None
single_main(opt,
device_id,
train_iter=train_iter,
passed_fields=passed_fields)
def train(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
set_random_seed(opt.seed, False)
# Load checkpoint if we resume from a previous training.
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
if 'vocab' in checkpoint:
logger.info('Loading vocab from checkpoint at %s.' %
opt.train_from)
vocab = checkpoint['vocab']
else:
vocab = torch.load(opt.data + '.vocab.pt')
else:
vocab = torch.load(opt.data + '.vocab.pt')
# check for code where vocab is saved instead of fields
# (in the future this will be done in a smarter way)
if old_style_vocab(vocab):
fields = load_old_vocab(vocab,
opt.model_type,
dynamic_dict=opt.copy_attn)
else:
fields = vocab
if len(opt.data_ids) > 1:
train_shards = []
for train_id in opt.data_ids:
shard_base = "train_" + train_id
train_shards.append(shard_base)
train_iter = build_dataset_iter_multiple(train_shards, fields, opt)
else:
if opt.data_ids[0] is not None:
shard_base = "train_" + opt.data_ids[0]
else:
shard_base = "train"
train_iter = build_dataset_iter(shard_base, fields, opt)
nb_gpu = len(opt.gpu_ranks)
if opt.world_size > 1:
queues = []
mp = torch.multiprocessing.get_context('spawn')
semaphore = mp.Semaphore(opt.world_size * opt.queue_size)
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
q = mp.Queue(opt.queue_size)
queues += [q]
procs.append(
mp.Process(target=run,
args=(opt, device_id, error_queue, q, semaphore),
daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
producer = mp.Process(target=batch_producer,
args=(
train_iter,
queues,
semaphore,
opt,
),
daemon=True)
producer.start()
error_handler.add_child(producer.pid)
for p in procs:
p.join()
producer.terminate()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
transformer_ff=1024,
position_encoding=True,
max_generator_batches=2,
train_steps=1000000,
dropout=0.1,
data="data/USP",
save_model="models/transformer_model",
batch_size=4096,
gpu_ranks=[0],
valid_steps=1000,
valid_batch_size=8,
optim="adam",
learning_rate=1.,
save_checkpoint_steps=1000,
encoder_type="transformer",
decoder_type="transformer",
enc_layers=4,
dec_layers=4,
enc_rnn_size=256,
dec_rnn_size=256,
normalization="tokens",
batch_type="tokens",
adam_beta2=0.98,
adam_beta1=0.9,
accum_count=4,
decay_method="noam",
warmup_steps=8000,
rnn_size=256,
)
single_main(opt, -1)
def main(opt):
ArgumentParser.validate_train_opts(opt)
ArgumentParser.update_model_opts(opt)
ArgumentParser.validate_model_opts(opt)
# Load checkpoint if we resume from a previous training.
if opt.train_from:
logger.info('Loading checkpoint from %s' % opt.train_from)
checkpoint = torch.load(opt.train_from,
map_location=lambda storage, loc: storage)
logger.info('Loading vocab from checkpoint at %s.' % opt.train_from)
vocab = checkpoint['vocab']
else:
vocab = torch.load(opt.data + '.vocab.pt')
# check for code where vocab is saved instead of fields
# (in the future this will be done in a smarter way)
if old_style_vocab(vocab):
fields = load_old_vocab(
vocab, opt.model_type, dynamic_dict=opt.copy_attn)
else:
fields = vocab
# @memray: a temporary workaround, as well as train_single.py line 78
if opt.model_type == "keyphrase":
if opt.tgt_type in ["one2one", "multiple"]:
del fields['sep_indices']
else:
if 'sep_indices' not in fields:
sep_indices = Field(
use_vocab=False, dtype=torch.long,
postprocessing=make_tgt, sequential=False)
fields["sep_indices"] = sep_indices
if 'src_ex_vocab' not in fields:
src_ex_vocab = RawField()
fields["src_ex_vocab"] = src_ex_vocab
if len(opt.data_ids) > 1:
train_shards = []
for train_id in opt.data_ids:
shard_base = "train_" + train_id
train_shards.append(shard_base)
train_iter = build_dataset_iter_multiple(train_shards, fields, opt)
else:
if opt.data_ids[0] is not None:
shard_base = "train_" + opt.data_ids[0]
else:
shard_base = "train"
train_iter = build_dataset_iter(shard_base, fields, opt)
nb_gpu = len(opt.gpu_ranks)
print(os.environ['PATH'])
if opt.world_size > 1:
queues = []
mp = torch.multiprocessing.get_context('spawn')
semaphore = mp.Semaphore(opt.world_size * opt.queue_size)
# Create a thread to listen for errors in the child processes.
error_queue = mp.SimpleQueue()
error_handler = ErrorHandler(error_queue)
# Train with multiprocessing.
procs = []
for device_id in range(nb_gpu):
q = mp.Queue(opt.queue_size)
queues += [q]
procs.append(mp.Process(target=run, args=(
opt, device_id, error_queue, q, semaphore), daemon=True))
procs[device_id].start()
logger.info(" Starting process pid: %d " % procs[device_id].pid)
error_handler.add_child(procs[device_id].pid)
producer = mp.Process(target=batch_producer,
args=(train_iter, queues, semaphore, opt,),
daemon=True)
producer.start()
error_handler.add_child(producer.pid)
for p in procs:
p.join()
producer.terminate()
elif nb_gpu == 1: # case 1 GPU only
single_main(opt, 0)
else: # case only CPU
single_main(opt, -1)
