| 11 | """ |
| 12 | |
| 13 | def __init__(self, model, decay=0.9999, use_num_updates=True): |
| 14 | super().__init__() |
| 15 | if decay < 0.0 or decay > 1.0: |
| 16 | raise ValueError('Decay must be between 0 and 1') |
| 17 | |
| 18 | self.m_name2s_name = {} |
| 19 | self.decay = decay |
| 20 | self.num_updates = 0 if use_num_updates else -1 |
| 21 | |
| 22 | with GatheredParameters(model.parameters(), fwd_module=self): |
| 23 | for name, p in model.named_parameters(): |
| 24 | if p.requires_grad: |
| 25 | # remove as '.'-character is not allowed in buffers |
| 26 | s_name = name.replace('.', '') |
| 27 | self.m_name2s_name.update({name: s_name}) |
| 28 | self.register_buffer(s_name, p.clone().detach().data) |
| 29 | # remove as '.'-character is not allowed in buffers |
| 30 | self.collected_params = [] |
| 31 | |
| 32 | def forward(self, model): |
| 33 | decay = self.decay |