support stage2 for gradient merge. #47711
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你的PR提交成功，感谢你对开源项目的贡献! |
| @@ -658,6 +662,8 @@ def _opt_step(self): | |||
| # Wait for the last reduce task. This wait must before grad scale function. | |||
| assert self._comm_task is not None | |||
| self._comm_task.wait() | |||
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| dp_allreduce_func() | |||
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dp group内的allreduce操作，最好移动到grad_scale后进行。
wuhuachaocoding
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update dp + stage2 for gradient merge.
