How to reproduce mobilenetv2 w2a4 result?

[Wengang Cao]

command:

python3 main_imagenet.py --data_path image --arch mobilenetv2 --n_bits_w 2 --n_bits_a 4 --channel_wise --weight 0.1 --act_quant

result:

Full quantization (W2A4) accuracy: 0.1419999897480011

How to reproduce mobilenetv2 w2a4 result?
thanks