add iArray initialization;split big datas to small blocks

雾聪

2023-06-24 c062a9d72e18926b97f4f5e6357a1986569069a1

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beam_size: 5
penalty: 0.0
maxlenratio: 0.0
minlenratio: 0.0
ctc_weight: 0.5
lm_weight: 0.7