[Distributed] refine training_pipeline_step to avoid memory leaks #11103
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zhangyuqin1998
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sneaxiy
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AlAuAu
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PR types
Function optimization
PR changes
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Description
Pass a local function to forward_backward_pipeline instead of the dataset itself. This prevents the dataset from being passed as a direct argument to forward_backward_pipeline, which would create additional reference counts that cannot be cleared, leading to GPU memory leaks.
This PR depends on PaddlePaddle/Paddle#75446.