Glenn Jocher
GitHub
3 years ago
1 changed files with 5 additions and 1 deletions
+ 5
- 1
train.py
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| # Scheduler https://arxiv.org/pdf/1812.01187.pdf | # Scheduler https://arxiv.org/pdf/1812.01187.pdf | ||||
| # https://pytorch.org/docs/stable/_modules/torch/optim/lr_scheduler.html#OneCycleLR | # https://pytorch.org/docs/stable/_modules/torch/optim/lr_scheduler.html#OneCycleLR | ||||
| lf = one_cycle(1, hyp['lrf'], epochs) # cosine 1->hyp['lrf'] | |||||
| if opt.linear_lr: | |||||
| lf = lambda x: (1 - x / (epochs - 1)) * (1.0 - hyp['lrf']) + hyp['lrf'] # linear | |||||
| else: | |||||
| lf = one_cycle(1, hyp['lrf'], epochs) # cosine 1->hyp['lrf'] | |||||
| scheduler = lr_scheduler.LambdaLR(optimizer, lr_lambda=lf) | scheduler = lr_scheduler.LambdaLR(optimizer, lr_lambda=lf) | ||||
| # plot_lr_scheduler(optimizer, scheduler, epochs) | # plot_lr_scheduler(optimizer, scheduler, epochs) | ||||
| parser.add_argument('--name', default='exp', help='save to project/name') | parser.add_argument('--name', default='exp', help='save to project/name') | ||||
| parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment') | parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment') | ||||
| parser.add_argument('--quad', action='store_true', help='quad dataloader') | parser.add_argument('--quad', action='store_true', help='quad dataloader') | ||||
| parser.add_argument('--linear-lr', action='store_true', help='linear LR') | |||||
| opt = parser.parse_args() | opt = parser.parse_args() | ||||
| # Set DDP variables | # Set DDP variables |
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