scala.collection

parallel

package parallel

Package object for parallel collections.

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package.scala
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Type Members

  1. trait AdaptiveWorkStealingForkJoinTasks extends ForkJoinTasks with AdaptiveWorkStealingTasks

  2. trait AdaptiveWorkStealingTasks extends Tasks

    This trait implements scheduling by employing an adaptive work stealing technique.

  3. trait Combiner[-Elem, +To] extends Builder[Elem, To] with Sizing with Parallel

    The base trait for all combiners.

  4. trait CombinerFactory[U, Repr] extends AnyRef

  5. final case class CompositeThrowable(throwables: Set[Throwable]) extends Exception with Product with Serializable

    Composite throwable - thrown when multiple exceptions are thrown at the same time.

  6. class ExecutionContextTaskSupport extends TaskSupport with ExecutionContextTasks

    A task support that uses an execution context to schedule tasks.

  7. trait ExecutionContextTasks extends Tasks

  8. trait FactoryOps[From, Elem, To] extends AnyRef

  9. class ForkJoinTaskSupport extends TaskSupport with AdaptiveWorkStealingForkJoinTasks

    A task support that uses a fork join pool to schedule tasks.

  10. trait ForkJoinTasks extends Tasks with HavingForkJoinPool

    An implementation trait for parallel tasks based on the fork/join framework.

  11. trait HavingForkJoinPool extends AnyRef

    A trait describing objects that provide a fork/join pool.

  12. trait IterableSplitter[+T] extends AugmentedIterableIterator[T] with Splitter[T] with Signalling with DelegatedSignalling

    Parallel iterators allow splitting and provide a remaining method to obtain the number of elements remaining in the iterator.

  13. trait ParIterable[+T] extends GenIterable[T] with GenericParTemplate[T, ParIterable] with ParIterableLike[T, ParIterable[T], scala.Iterable[T]]

    A template trait for parallel iterable collections.

  14. trait ParIterableLike[+T, +Repr <: ParIterable[T], +Sequential <: scala.Iterable[T] with IterableLike[T, Sequential]] extends GenIterableLike[T, Repr] with CustomParallelizable[T, Repr] with Parallel with HasNewCombiner[T, Repr]

    A template trait for parallel collections of type ParIterable[T].

  15. trait ParIterableView[+T, +Coll <: Parallel, +CollSeq] extends ParIterableViewLike[T, Coll, CollSeq, ParIterableView[T, Coll, CollSeq], IterableView[T, CollSeq]] with GenIterableView[T, Coll]

    A template view of a non-strict view of a parallel iterable collection.

  16. trait ParIterableViewLike[+T, +Coll <: Parallel, +CollSeq, +This <: ParIterableView[T, Coll, CollSeq] with ParIterableViewLike[T, Coll, CollSeq, This, ThisSeq], +ThisSeq <: IterableView[T, CollSeq] with IterableViewLike[T, CollSeq, ThisSeq]] extends GenIterableView[T, Coll] with GenIterableViewLike[T, Coll, This] with ParIterable[T] with ParIterableLike[T, This, ThisSeq]

    A template view of a non-strict view of parallel iterable collection.

  17. trait ParMap[K, +V] extends GenMap[K, V] with GenericParMapTemplate[K, V, ParMap] with ParIterable[(K, V)] with ParMapLike[K, V, ParMap[K, V], Map[K, V]]

    A template trait for parallel maps.

  18. trait ParMapLike[K, +V, +Repr <: ParMapLike[K, V, Repr, Sequential] with ParMap[K, V], +Sequential <: Map[K, V] with MapLike[K, V, Sequential]] extends GenMapLike[K, V, Repr] with ParIterableLike[(K, V), Repr, Sequential]

    A template trait for mutable parallel maps.

  19. trait ParSeq[+T] extends GenSeq[T] with ParIterable[T] with GenericParTemplate[T, ParSeq] with ParSeqLike[T, ParSeq[T], scala.Seq[T]]

    A template trait for parallel sequences.

  20. trait ParSeqLike[+T, +Repr <: ParSeq[T], +Sequential <: scala.Seq[T] with SeqLike[T, Sequential]] extends GenSeqLike[T, Repr] with ParIterableLike[T, Repr, Sequential]

    A template trait for sequences of type ParSeq[T], representing parallel sequences with element type T.

  21. trait ParSeqView[+T, +Coll <: Parallel, +CollSeq] extends ParSeqViewLike[T, Coll, CollSeq, ParSeqView[T, Coll, CollSeq], SeqView[T, CollSeq]]

    A template view of a non-strict view of a parallel sequence.

  22. trait ParSeqViewLike[+T, +Coll <: Parallel, +CollSeq, +This <: ParSeqView[T, Coll, CollSeq] with ParSeqViewLike[T, Coll, CollSeq, This, ThisSeq], +ThisSeq <: SeqView[T, CollSeq] with SeqViewLike[T, CollSeq, ThisSeq]] extends GenSeqView[T, Coll] with GenSeqViewLike[T, Coll, This] with ParIterableView[T, Coll, CollSeq] with ParIterableViewLike[T, Coll, CollSeq, This, ThisSeq] with ParSeq[T] with ParSeqLike[T, This, ThisSeq]

    A template view of a non-strict view of parallel sequence.

  23. trait ParSet[T] extends GenSet[T] with GenericParTemplate[T, ParSet] with ParIterable[T] with ParSetLike[T, ParSet[T], Set[T]]

    A template trait for parallel sets.

  24. trait ParSetLike[T, +Repr <: ParSetLike[T, Repr, Sequential] with ParSet[T], +Sequential <: Set[T] with SetLike[T, Sequential]] extends GenSetLike[T, Repr] with ParIterableLike[T, Repr, Sequential]

    A template trait for parallel sets.

  25. trait PreciseSplitter[+T] extends Splitter[T]

    A precise splitter (or a precise split iterator) can be split into arbitrary number of splitters that traverse disjoint subsets of arbitrary sizes.

  26. trait SeqSplitter[+T] extends IterableSplitter[T] with AugmentedSeqIterator[T] with PreciseSplitter[T]

    Parallel sequence iterators allow splitting into arbitrary subsets.

  27. trait Splitter[+T] extends Iterator[T]

    A splitter (or a split iterator) can be split into more splitters that traverse over disjoint subsets of elements.

  28. trait Task[R, +Tp] extends AnyRef

  29. trait TaskSupport extends Tasks

    A trait implementing the scheduling of a parallel collection operation.

  30. trait Tasks extends AnyRef

    A trait that declares task execution capabilities used by parallel collections.

  31. trait ThrowableOps extends AnyRef

  32. trait TraversableOps[T] extends AnyRef

  33. trait AdaptiveWorkStealingThreadPoolTasks extends ThreadPoolTasks with AdaptiveWorkStealingTasks

    Annotations
    @deprecated
    Deprecated

    (Since version 2.11.0) Use AdaptiveWorkStealingForkJoinTasks instead.

  34. class ThreadPoolTaskSupport extends TaskSupport with AdaptiveWorkStealingThreadPoolTasks

    A task support that uses a thread pool executor to schedule tasks.

  35. trait ThreadPoolTasks extends Tasks

    An implementation of tasks objects based on the Java thread pooling API.

Value Members

  1. val CHECK_RATE: Int

  2. object ForkJoinTasks

  3. object FutureThreadPoolTasks

  4. val MIN_FOR_COPY: Int

  5. object ParIterable extends ParFactory[ParIterable]

    This object provides a set of operations to create ParIterable values.

  6. object ParIterableView

  7. object ParMap extends ParMapFactory[ParMap]

  8. object ParSeq extends ParFactory[ParSeq]

  9. object ParSeqView

  10. object ParSet extends ParSetFactory[ParSet]

  11. val SQRT2: Double

  12. object Splitter

  13. val availableProcessors: Int

  14. val defaultTaskSupport: TaskSupport

  15. implicit def factory2ops[From, Elem, To](bf: CanBuildFrom[From, Elem, To]): FactoryOps[From, Elem, To]

  16. package immutable

  17. package mutable

  18. def setTaskSupport[Coll](c: Coll, t: TaskSupport): Coll

  19. def thresholdFromSize(sz: Int, parallelismLevel: Int): Int

    Computes threshold from the size of the collection and the parallelism level.

  20. implicit def throwable2ops(self: Throwable): ThrowableOps

  21. implicit def traversable2ops[T](t: GenTraversableOnce[T]): TraversableOps[T]

Deprecated Value Members

  1. object ThreadPoolTasks

    Annotations
    @deprecated
    Deprecated

    (Since version 2.11.0) Use ForkJoinTasks instead.

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