归约计算

• asc_datablock_reduce_max
• asc_datablock_reduce_min
• asc_datablock_reduce_sum
• asc_get_reduce_max_cnt
• asc_get_reduce_min_cnt
• asc_get_rsvd_count
• asc_pair_reduce_sum
• asc_reduce
• asc_repeat_reduce_max
• asc_repeat_reduce_min
• asc_repeat_reduce_sum