(self, var_list)
| 120 | self._get_non_slot_variable("beta2_power", graph=graph)) |
| 121 | |
| 122 | def _create_slots(self, var_list): |
| 123 | # Create the beta1 and beta2 accumulators on the same device as the first |
| 124 | # variable. Sort the var_list to make sure this device is consistent across |
| 125 | # workers (these need to go on the same PS, otherwise some updates are |
| 126 | # silently ignored). |
| 127 | first_var = min(var_list, key=lambda x: x.name) |
| 128 | self._create_non_slot_variable( |
| 129 | initial_value=self._beta1, name="beta1_power", colocate_with=first_var) |
| 130 | self._create_non_slot_variable( |
| 131 | initial_value=self._beta2, name="beta2_power", colocate_with=first_var) |
| 132 | |
| 133 | # Create slots for the first and second moments. |
| 134 | for v in var_list: |
| 135 | self._zeros_slot(v, "m", self._name, slot_config=slot_creator.SlotConfig(slot_index=1, slot_num=2)) |
| 136 | self._zeros_slot(v, "v", self._name, slot_config=slot_creator.SlotConfig(slot_index=2, slot_num=2)) |
| 137 | |
| 138 | def _prepare(self): |
| 139 | lr = self._call_if_callable(self._lr) |
nothing calls this directly
no test coverage detected