(self, grads)
| 134 | super(MapGradient, self).__init__() |
| 135 | |
| 136 | def _process(self, grads): |
| 137 | ret = [] |
| 138 | matched = False |
| 139 | for grad, var in grads: |
| 140 | if re.match(self.regex, var.op.name): |
| 141 | matched = True |
| 142 | grad = self.func(grad, var) |
| 143 | if grad is not None: |
| 144 | ret.append((grad, var)) |
| 145 | else: |
| 146 | ret.append((grad, var)) |
| 147 | if not matched: |
| 148 | logger.warn("[MapGradient] No match was found for regex {}.".format(self.regex)) |
| 149 | return ret |
| 150 | |
| 151 | |
| 152 | # TODO has dependency problems: sess.run may not depend on grad |