芯片型号：J6M
工具链版本：horizon_j6_open_explorer_v3.0.31
问题：
1. 该版本工具链文档中，只有input_layout_train指定原始模型输入数据排布，没有input_layout_rt指定上板模型的输入数据排布。使用该版本工具链只能依赖自动生成的上板模型数据排布，无法指定吗？
2.量化后的上板模型默认float32输出，如何指定int8输出？如果int8输出，如何获取对应的缩放参数把输出再转成float?
2.量化后的上板模型默认float32输出，如何指定int8输出？如果int8输出，如何获取对应的缩放参数把输出再转成float?
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