pb file size too big

[ruobop]

Hi @auroua

Thanks all your work. I tried to freeze model-C ckpt as a pb file. The pb file I got is ~700MB, which is much bigger than the MxNet model size(~100MB). Is it normal? Is there any method to reduce file size?

[auroua]

Please reference readme.md file Training Tips part. The original model contains some bug. The modified model only 160M.