The Kotlin compiler still runs on the JVM. The native compiler is actually built with Excelsior JET, not with Kotlin/Native. (I think Nikolay Igotti, the Kotlin

The Kotlin compiler still runs on the JVM. The native compiler is actually built with Excelsior JET, not with Kotlin/Native. (I think Nikolay Igotti, the Kotlin/Native lead, mentioned somewhere that the JVM is often faster for the kind of graph manipulation that the compiler does a lot of.)