plt.xlabel('Step')plt.ylabel('Learning Rate')plt.title('Learning Rate Schedules')plt.legend()plt.show() 得到的图像如下: WarmupCosineLR 并且注意到,虽然后面的decay阶段从图像上看似乎差异不大,但是实际上我手动算了一下,仍然会有0.4%左右的误差。 注意到Deepspeed的框架实现的WarmupCosineLR似乎有两个...
因此才会有CosineDecayLR出现1e-6数量级的负数出现,考虑到是硬件平台的差异,目前可以用以下方式规避 importmindspore.opsasPimportmindspore.common.dtypeasmstypefrommindsporeimportcontextfrommindspore.nn.learning_rate_scheduleimportLearningRateScheduleclassCosineDecayLR(LearningRateSchedule):def__init__(self, min_lr,...
decay_type == 'restart': scheduler = lrs.LambdaLR(my_optimizer, lambda epoch: multistep_restart(args.period, epoch)) return scheduler Example #9Source File: lr_schedulers.py From srgan with MIT License 6 votes def get_lr_scheduler(optimizer_conf, scheduler_name, optimizer, initial_epoch=...
decay_type == 'step': scheduler = lrs.StepLR( my_optimizer, step_size=args.lr_decay, gamma=args.gamma ) if args.decay_type.find('step') >= 0: milestones = args.decay_type.split('_') milestones.pop(0) milestones = list(map(lambda x: int(x), milestones)) print(milestones) ...
Notice that such decay can happen simultaneously with other changes to the learning rate from outside this scheduler. When last_epoch=-1, sets initial lr as lr.Args: optimizer (Optimizer): Wrapped optimizer.step_size (int): Period of learning rate decay....
def get_lr_scheduler(lr_decay_type, lr, min_lr, total_iters, warmup_iters_ratio = 0.05, warmup_lr_ratio = 0.1, no_aug_iter_ratio = 0.05, step_num = 10): def yolox_warm_cos_lr(lr, min_lr, total_iters, warmup_total_iters, warmup_lr_start, no_aug_iter, iters): if it...
classLRScheduler:def__init__(self,optimizer,last_epoch=-1,verbose=False):# Attach optimizer# if not isinstance(optimizer, Optimizer):# raise TypeError(f'{type(optimizer).__name__} is not an Optimizer')self.optimizer=optimizer# Initialize epoch and base learning ratesiflast_epoch==-1:forgrou...
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self.milestones2 = decay_milestones self.gamma = gamma super(CyclicCosAnnealingLR, self).__init__(optimizer, last_epoch) def get_lr(self): if self.last_epoch >= self.milestones[-1]: return [self.eta_min for base_lr in self.base_lrs] idx = bisect_right(self.milestones...
decay time constants of EPP are indeed prolonged in these mice36,37. MuSK-MG patients, however, do not show reduced staining for AChE in intercostal muscles38,48. Microelectrode studies of MuSK-MG patients similarly show normal decay time constants of EPP49and MEPP38. A β2-adrenergic agonist...