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Room 2 - Foundations

Wednesday June 12th, 14:30-15:15

Double your performance: Scala's missing optimizing compiler

About this Session

The JVM runs impressively fast, and Scala has reasonable speed, but you still need to contort your Scala code to reach peak performance. Whether turning for-loops into while-loops, manually fusing map/filter/reduce, or replacing functions with macros, these changes are tedious and error-prone.

We present a new compiler that does this for you: taking high-level Scala and running it with optimal JVM performance. We explore how even high level concepts like monadic interpreters can be optimized into zero-cost abstractions, giving real-world speed-ups when applied to real-world applications.

Required Knowledge

  • Scala programming experience
  • JVM programming experience

Speaker(s)

Li Haoyi
@li_haoyi

Haoyi is a software engineer and author of many Scala open-source projects, such as Ammonite, Mill, FastParse, uPickle, and many more.

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