New York Scala Enthusiasts

July 18, 2009 3:00 PM - 20 attended

Speeding scalac: Partial Compilation in sbt

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Mark Harrah joins us on Saturday afternoon, July 18 to talk about his project sbt (simple-build-tool).

Good partial recompilation forms the foundation of sbt, a build tool for Scala, written in Scala, that uses Scala for build definitions. Compilation in Scala is currently a trade-off between speed and correctness. Partial recompilation is a common technique used to speed up compiles by only recompiling a subset of all sources in a project.

In the first half of his presentation, Mark will discuss the main variants of partial recompilation, including dependency tracking for better accuracy. In the second half of he'll explain the benefits to using and the motivation behind writing such a build tool. Be assured that they are many and varied!

Josh Cough
just curious, why the change of location? and - so cool that i dont have to rsvp anymore!

Posted June 23, 2009 at 11:35 AM
Nathan Hamblen
Yes, and I hope you are in fact available. :) It's at my office because I don't think Dustin's is available available on the weekend (?). It's not likely to be our new permanent home or anything, but Soho will be fun for a Saturday meetup in July I hope! (Especially if you like sidewalks crowded beyond belief.)

Posted June 23, 2009 at 11:43 AM
Josh Cough
oh awesome, i didnt even look to see that it was on a saturday. ill definitely be there. we doing drinks after i assume? also, i havent had the chance to use sbt yet, so im looking forward to it.

Posted June 23, 2009 at 11:47 AM
Chris League
Would love to attend this one, but I'll be entertaining out-of-town guests (who would likely not find Scala compilation as entertaining as I do). BTW, clicking through the Google Map for the location shows it in Brooklyn not Soho? I suppose the zip is wrong?

Posted July 6, 2009 at 12:10 AM
Nathan Hamblen
Yes, maybe I should put in my work instead of home zip code! (Thanks for pointing that out.)

Posted July 6, 2009 at 12:17 AM
Lincoln Hochberg
Very psyched for this one. I'm using sbt on a startup project and would love to become more skilled with it.

Posted July 10, 2009 at 10:17 AM
Robert Eccardt
sbt is mentioned in the current Java Posse podcast. There's a fairly substantial amount of Scala discussion in the "ScalaWags" segment, where Nathan's dispatch project is also mentioned.

Posted July 12, 2009 at 3:13 PM
Robert Eccardt
Java Posse URL:
http://javaposse.com/index.php?post_id=501792

Posted July 12, 2009 at 3:17 PM
Nathan Hamblen
Very cool! We will have to get Josh Suereth down here some time for a meetup. He's also involved in the East Coast Lift Off:
http://scalaliftoff.com/happening/Reston+VA+09

Posted July 12, 2009 at 4:42 PM
Dustin Whitney
Awesome. Congrats Nathan!

Posted July 12, 2009 at 11:45 PM
Suresh Velagapudi
Excellent!

Posted July 18, 2009 at 7:50 PM
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