Assuming you get ~2000 working hours, let's say 10% of that is compiling and you get 3x improvement - you save ~133 hours So you need to be paid ~$30/h to reco

Assuming you get ~2000 working hours, let's say 10% of that is compiling and you get 3x improvement - you save ~133 hours So you need to be paid ~$30/h to recoup the cost in a year. Of course if you're contractor it means you will... earn less unless you bump the price but that's the "motivation" of being paid by hour...