[honewatson]

Crystal is closer to C performance wise. The compiler is much slower than Go due to the aggresive type inference.

[theodorton]

I believe this is partially due to the lack of incremental compilation, which is on the roadmap [0] for 1.0. The compiler itself builds in ~10 seconds. [1]

[0]: https://github.com/crystal-lang/crystal/wiki/Roadmap

[1]: https://crystal-lang.org/2015/12/24/the-future-of-crystal.ht...