def no_decay_param_group(parameters, lr): no_decay = ['bias', 'LayerNorm.bias', 'LayerNorm.weight'] decay_params = [] no_decay_params = [] for n, p in parameters: if p.requires_grad == False: continue if not any(nd in n for nd in no_decay): decay_params.append(p) else: no_decay_params.append(p) optimizer_grouped_parameters = [ {'params': decay_params, 'weight_decay': 0.01, 'lr': lr}, {'params': no_decay_params, 'weight_decay': 0.0, 'lr': lr} ] return optimizer_grouped_parameters