Turns out it's pretty hard to make direct comparisons in speed with tri fills, but it should be faster. The tps value will be slower than other ones you've seen, as I needed some tricks to make the comparison test more accurate
Based on the findings from "every block timed" project , that the rtc of custom block is only 3-5x that of set var (depends on how many inputs), so you can use it to replace set vars and gain speed!