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config.py
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config.py
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import paddle
import argparse
from yacs.config import CfgNode
def get_arguments():
"""return argumeents, this will overwrite the config after loading yaml file"""
parser = argparse.ArgumentParser(description='ConvS2S', add_help=True)
parser.add_argument('-c', '--cfg', default='configs/en2ro.yaml', type=str,required=True, metavar='FILE', help='yaml file path')
# distributed training parameters
parser.add_argument('--amp', action='store_true')
parser.add_argument('--eval', action='store_true')
parser.add_argument('--ngpus', default=-1, type=int)
parser.add_argument('--update-freq', default=1, type=int)
parser.add_argument('--max-epoch', default=None, type=int)
parser.add_argument('--save-epoch', default=None, type=int)
parser.add_argument('--save-dir', default=None, type=str,help='save dir for model、log、generated text')
parser.add_argument('--resume', default='', type=str, help='resume from checkpoint')
parser.add_argument('--last-epoch', default=None, type=int, help='resume from epoch+1')
parser.add_argument('--log-steps', default=None, type=int, help='Number of steps between log print.')
parser.add_argument('--report-bleu', action='store_true',help='report bleu when valid')
# Dataset parameters
parser.add_argument('--src-lang', default=None, type=str)
parser.add_argument('--tgt-lang', default=None, type=str)
parser.add_argument('--only-src', action='store_true')
parser.add_argument('--train-pref', default=None, type=str)
parser.add_argument('--valid-pref', default=None, type=str)
parser.add_argument('--test-pref', default=None, type=str)
parser.add_argument('--vocab-pref', default=None, type=str)
parser.add_argument('--max-tokens', default=4000, type=int)
parser.add_argument('--seed', default=1, type=int)
parser.add_argument('--num-workers', default=1, type=int)
parser.add_argument('--pad-vocab', action='store_true')
# Model parameters
parser.add_argument('--arch', default=None, type=str, help='Name of model to train')
parser.add_argument('--drop', default=None, type=float, help='Dropout rate')
parser.add_argument('--pretrained', default=None, type=str, help='pretrained dir')
parser.add_argument('--save-model', default=None, type=str, help='model save dir')
# Optimizer parameters
parser.add_argument('--optim', default=None, type=str, help='Optimizer,support [nag|adam|adamw]')
parser.add_argument('--clip-norm', default=None, type=float, help='Clip gradient norm')
parser.add_argument('--momentum', default=None, type=float, help='momentum')
parser.add_argument('--weight-decay', default=None, type=float, help='weight decay')
# Learning rate schedule parameters
parser.add_argument('--lr', default=None, type=float, help='learning rate')
parser.add_argument('--sched', default=None, type=str, help='LR scheduler, support [plateau|wamup|cosine|noamdecay]')
parser.add_argument('--warmup', default=None, type=int, help='warmup steps')
parser.add_argument('--reset-lr',action='store_true',help='weather to reset learning rate to lr when in resume.')
parser.add_argument('--min-lr', default=None, type=float, help='lower lr bound for cyclic schedulers that hit 0')
parser.add_argument('--lr-shrink', default=None, type=float, help='lr shrink factor')
parser.add_argument('--patience', default=None, type=int, help='patience epochs for Plateau LR scheduler')
parser.add_argument('--force-anneal', default=None, type=int, help='anneal epochs for Plateau LR scheduler')
# Augmentation parameters
parser.add_argument('--smoothing', default=0.1, type=float, help='Label smoothing')
# Generation parameters
parser.add_argument('--beam-size', default=5, type=int, help='beam search size')
parser.add_argument('--n-best', default=1, type=int)
parser.add_argument('--generate-path', default=None, type=str)
parser.add_argument('--sorted-path', default=None, type=str)
args = parser.parse_args()
return args
def get_config(args):
conf = CfgNode.load_cfg(open(args.cfg, encoding='utf-8'))
conf.defrost()
# distributed training parameters
if args.amp:
conf.train.amp = args.amp
if args.ngpus:
conf.ngpus = len(paddle.static.cuda_places()) if args.ngpus == -1 else args.ngpus
if args.eval:
conf.eval = args.eval
if args.update_freq:
conf.train.update_freq = args.update_freq
if args.max_epoch:
conf.train.max_epoch=args.max_epoch
if args.save_epoch:
conf.train.save_epoch=args.save_epoch
if args.save_dir:
conf.SAVE=args.save_dir
if args.resume: # 路径
conf.train.resume = args.resume
if args.last_epoch:
conf.train.last_epoch = args.last_epoch
if args.log_steps:
conf.train.log_steps = args.log_steps
if args.report_bleu:
conf.train.report_bleu = args.report_bleu
# Dataset parameters
if args.src_lang:
conf.data.src_lang = args.src_lang
if args.tgt_lang:
conf.data.tgt_lang = args.tgt_lang
if args.only_src:
conf.data.has_target=False
if args.train_pref:
conf.data.train_pref = args.train_pref
if args.valid_pref:
conf.data.valid_pref = args.valid_pref
if args.test_pref:
conf.data.test_pref = args.test_pref
if args.vocab_pref:
conf.data.vocab_pref = args.vocab_pref
if args.pad_vocab:
conf.data.pad_vocab = args.pad_vocab
if args.max_tokens:
conf.train.max_tokens = args.max_tokens
conf.generate.max_tokens = args.max_tokens
if args.seed:
conf.seed = args.seed
if args.num_workers:
conf.train.num_workers = args.num_workers
# Model parameters
if args.arch:
conf.model.model_name = args.model_name
if args.drop:
conf.model.dropout = args.drop
if args.pretrained:
conf.model.init_from_params = args.pretrained
if args.save_model:
conf.model.save_model = args.save_model
# Optimizer parameters
if args.optim:
conf.learning_strategy.optimizer = args.optim
if args.clip_norm:
conf.learning_strategy.clip_norm = args.clip_norm
if args.momentum:
conf.learning_strategy.momentum = args.momentum
if args.weight_decay:
conf.learning_strategy.weight_decay = args.weight_decay
# Learning rate schedule parameters
if args.sched:
conf.learning_strategy.sched = args.sched
if args.lr:
conf.learning_strategy.learning_rate = args.lr
if args.warmup:
conf.learning_strategy.warmup = args.warmup
if args.reset_lr:
conf.learning_strategy.reset_lr = args.reset_lr
if args.min_lr:
conf.learning_strategy.min_lr = args.min_lr
if args.lr_shrink:
conf.learning_strategy.lr_shrink = args.lr_shrink
if args.patience:
conf.learning_strategy.patience = args.patience
if args.force_anneal:
conf.learning_strategy.force_anneal = args.force_anneal
# Augmentation parameters
if args.smoothing:
conf.learning_strategy.label_smooth_eps = args.smoothing
# Generation parameters
if args.beam_size:
conf.generate.beam_size = args.beam_size
if args.n_best:
conf.generate.n_best = args.n_best
if args.generate_path:
conf.generate.generate_path = args.generate_path
if args.sorted_path:
conf.generate.sorted_path = args.sorted_path
conf.freeze()
return conf