Why the output etlt files using tlt-export have the same size with FP32 and INT8?

I use the tlt-export command with the --data_type flag set to fp32 and int8 respectively, but the two output etlt files have the same size, why?
thanks!

Refer to Difference in data type specified during tlt export and tlt convert - #5 by Morganh

Thanks for your reply!