[xpu] use cpu barrier - #4181
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zhupengyang
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Sep 19, 2025
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- xpu 上的 paddle.distributed.barrier(self.parallel_config.tp_group) 会导致其它的 all_reduce 出现随机错误。
- 暂时用 threading.Barrier 替代 paddle.distributed.barrier
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hong19860320
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LGTM 先按照这个方法解决，等修复 XPU 的 paddle.distributed.barrier 问题后再调整回来。
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