I am also having this problem on a Mid 2014 MBP. The input seems to slow down the most when I (attempt to) use the built-in trackpad to zoom in and out. Factorio 0.16 ran beautifully on this machine.

For a decade, Apple has built our computers and then poured the battery in, in order to fit the space. Surely Factorio could do the same? I would love to have the accumulator (perhaps with its powers and resources cut in 1/4) fill just a 1x1 area. Then we could fill all the dead area in our ...