Yes, if you use ADAM - but it doesn't add up to 80, does it? Even for fp64 it adds only 16 bytes. RMSPRop, Adagrad have half of this overhead. SGD has no opt

Yes, if you use ADAM - but it doesn't add up to 80, does it? Even for fp64 it adds only 16 bytes. RMSPRop, Adagrad have half of this overhead. SGD has no optimizer overhead of course.