Create a gist now

Instantly share code, notes, and snippets.

Scala incremental compiler improvements by Grzegorz Kossakowski. Actual runtimes are not so important here, since the two benchmarks were run on different machines, and also they make no attempt to ensure that the scala compiler is fully JITed, which during normal Play development offers significant improvements over these times as the compiler …
Initial clean compile of entire project:
[info] [info] Compiling 29 Scala sources and 1 Java source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [success] Total time: 15 s, completed Aug 28, 2013 9:43:38 PM
Now simulate adding a method to a controller:
[info] [info] Compiling 1 Scala source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [success] Total time: 2 s, completed Aug 28, 2013 9:43:40 PM
Now simulate adding a new route to the routes file:
[info] [info] Compiling 2 Scala sources and 1 Java source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [success] Total time: 5 s, completed Aug 28, 2013 9:43:45 PM
Initial clean compile of entire project:
[info] [info] Compiling 29 Scala sources and 1 Java source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [success] Total time: 25 s, completed 29/08/2013 2:49:17 PM
Now simulate adding a method to a controller:
[info] [info] Compiling 1 Scala source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [info] Compiling 29 Scala sources and 1 Java source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [success] Total time: 16 s, completed 29/08/2013 2:49:32 PM
Now simulate adding a new route to the routes file:
[info] [info] Compiling 2 Scala sources and 1 Java source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [info] Compiling 29 Scala sources and 1 Java source to /tmp/inc-compile/target/scala-2.10/classes...
[info] [success] Total time: 10 s, completed 29/08/2013 2:49:43 PM
@diwa-zz

Excellent news. How/When do we get to enjoy this in play?

@gkossakowski

@diwa: I hope I can gets this merged in subsequent releases of sbt 0.13.x.

@diwa-zz

That's great. Looking forward eagerly.

@ms-tg

Fantastic!

@benmccann

This is so awesome. I cannot wait!!!

Are the changes the pull request below or are there more pull requests to come?
sbt/sbt#839

@magro

+1, awesome!

@peter-fu

+1, looking forward to it!

@gkossakowski

FYI: I started merging my changes back to sbt. It will take a few weeks to finish.

You can follow my work here:

@rpokrywka

Cool

@gkossakowski

I decided to make it easier to follow the status of the merge by creating a meta issue. Check it out here: sbt/sbt#1010

@hedefalk

Awesome!

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment