fix loss normalization for ddp training

haoneng.lhn

2023-12-08 acb9a0fec8d8a4dabeedcbb8e08c26f66d7083f0

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export FUNASR_RUNTIME_ROOT=`pwd`/../
export PATH=$FUNASR_RUNTIME_ROOT/onnxruntime/build/bin:$PWD:$PATH
export LC_ALL=C