[BUG] fix pp eval shape bug #9505
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你这是修复了什么case下的报错？之前是发现只有打开enable_clear_every_step_cache会报错？ |
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Description
修复pp eval的时候训练batch size跟eval batch size不一致导致的通信时候缓存的cache shape不一致的错误。
比如：训练的micro bs=2，评估的micro bs=1，此时，当训练到需要评估的时候（eval_batch），此时会使用训练的bs=2的缓存的shape，从而导致评估的时候报错。