Paralell collections in Scala

1. Parallel collections i Scala 2.9 Alf Kristian Støyle Know IT Objectnet

2. http://www.nassaulibrary.org/ncla/nclacler_ﬁles/LILC7.JPG

3. http://schoolchat.wordpress.com/2008/04/22/keeping-pollution-levels-low/

4. Embarrassingly parallel

5. Fork/Join

6. Work stealing

7. Double-ended queue - deque

10. val persons: List[Person] = ... val (kids, adults) = persons.partition(_.age < 18)

11. val paralellList = List(1, 2, 3).par

12. val paralellList = List(1, 2, 3).par val sequentialList = paralellList.seq

13. • parallel arrays - scala.collection.parallel.mutable.ParArray • parallel ranges - scala.collection.parallel.immutable.ParRange • parallel hash maps - scala.collection.parallel.mutable.ParHashMap • parallel hash sets - scala.collection.parallel.mutable.ParHashSet • parallel hash tries - scala.collection.parallel.immutable.{ParHashMap, ParHashSet} • parallel vectors - scala.collection.parallel.immutable.ParVector http://www.scala-lang.org/node/8976

14. REPL demo (https://gist.github.com/919224)

15. Q &A

Paralell collections in Scala

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