[OPs] Bug fix, fix the segment mean for illegal syncthreads usage. (#32596)
[OPs] Bug fix, fix the segment mean for illegal syncthreads usage. (#32596)

* [OPs] Bug fix, fix the segment mean for illegal syncthreads usage.
PaddlePaddle/Paddle,luotao1/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,luotao1/Paddle,luotao1/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,PaddlePaddle/Paddle,luotao1/Paddle