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    Add LoDRankTable (#5349) · 74849158
    Yu Yang 提交于
    * Add LoDRankTable
    
    LoD Rank Table stores the `level` of `lod` which is ordered by sequence
    length in descending order. It is useful when implement dynamic RNN and
    is shared by dynamic RNN memory, dynamic RNN slice input and dynamic
    RNN slice output operators.
    
    * Add InferVarType
    74849158
lod_rank_table_op.cc 3.1 KB