There are some speed comparisons, measurements, and discussion here: https://lwn.net/Articles/706404/ https://lwn.net/Articles/706404/ https://thiblahute.gith

There are some speed comparisons, measurements, and discussion here: https://lwn.net/Articles/706404/ https://lwn.net/Articles/706404/ https://thiblahute.github.io/jpakkane.github.io/Simple-comparison.html https://thiblahute.github.io/jpakkane.github.io/Simple-compa... The thing is apparently, ninja is indeed faster, but this matters only for very large projects with tens of thousands of files. Speed of incremental builds matters, and in this respect, ninja is an advance, but is not a day-and-night difference either.