Using scalac is not a standard use case. Standard use case is to use sbt (well, or mill, since we're in lihaoyi's thread :D). Sbt starts up slow, but with bloo

Using scalac is not a standard use case. Standard use case is to use sbt (well, or mill, since we're in lihaoyi's thread :D). Sbt starts up slow, but with bloop, or sbtn (native client of sbt), the compilation is really fast (much faster than C++ for example): $ time sbtc compile [info] entering *experimental* thin client - BEEP WHIRR [info] terminate the server with `shutdown` > compile [info] compiling 1 Scala source to /home/.../target/scala-2.13/classes ... [info] compile completed [success] Total time: 0 s, completed Feb 11, 2021 4:21:51 PM sbtc compile 0,08s user 0,02s system 21% cpu 0,492 total