Created by: kjkttt

1. 多进程训练文档错误 https://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/user_guides/howto/training/cluster_howto.html

2. transpile参数错误 https://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/api_cn/fluid_cn.html#distributetranspiler

3. nccl2 config配置需添加 program和startup_program https://www.paddlepaddle.org.cn/documentation/docs/zh/1.5/api_cn/fluid_cn.html#distributetranspiler