scala.collection.par.Scheduler

Kernel

trait Kernel[T, R] extends AnyRef

Linear Supertypes
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Known Subclasses
ArrayKernel, ConcKernel, CopyMapArrayKernel, CopyMapRangeKernel, CopyMapReducableKernel, CopyToArrayKernel, HashMapCollectingMergerCallResultKernel, HashMapCollectingMergerResultKernel, HashMapCombiningMergerResultKernel, HashMapKernel, HashMapKernel, HashMapMergerResultKernel, HashMapMergerResultKernel, HashMapSimpleMergerResultKernel, HashSetKernel, HashSetKernel, HashSetMergerResultKernel, HashSetMergerResultKernel, IndexedKernel, RangeKernel, ReducableKernel
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Abstract Value Members

  1. abstract def apply(node: Node[T, R], chunkSize: Int): R

    Processes the specified chunk.

  2. abstract def combine(a: R, b: R): R

    Combines results from two chunks into the aggregate result.

  3. abstract def zero: R

    The neutral element of the reduction.

Concrete Value Members

  1. final def !=(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  2. final def !=(arg0: Any): Boolean

    Definition Classes
    Any

  3. final def ##(): Int

    Definition Classes
    AnyRef → Any

  4. final def ==(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  5. final def ==(arg0: Any): Boolean

    Definition Classes
    Any

  6. def afterCreateRoot(tree: Ref[T, R]): Unit

    Initializes the workstealing tree root.

    Initializes the workstealing tree root.

    By default does nothing, but some kernels may choose to override this default behaviour.

  7. def afterExpand(old: Node[T, R], node: Node[T, R]): Unit

    Initializes a node that has just been stolen.

    Initializes a node that has just been stolen.

    By default does nothing, but some kernels may choose to override this default behaviour to store operation-specific information into the node.

  8. final def asInstanceOf[T0]: T0

    Definition Classes
    Any

  9. def beforeWorkOn(tree: Ref[T, R], node: Node[T, R]): Unit

    Initializes the workstealing tree node.

    Initializes the workstealing tree node.

    By default does nothing, but some kernels may choose to override this default behaviour to store operation-specific information into the node.

  10. def clone(): AnyRef

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  11. final def completeIteration(stealer: Stealer[T]): Unit

    Completes the iteration in the stealer.

    Completes the iteration in the stealer.

    Some parallel operations do not traverse all the elements in a chunk or a node. The purpose of this method is to bring the node into a Completed or Stolen state before proceeding.

    Attributes
    protected

  12. def completeNode(intermediate: R, tree: Ref[T, R], worker: WorkerTask): Boolean

    Completes the iteration in the node.

    Completes the iteration in the node.

    Some parallel operations do not traverse all the elements in a chunk or a node. The purpose of this method is to bring the node into a Completed or Stolen state before proceeding.

    Attributes
    protected

  13. def defaultIncrementStepFactor: Int

  14. def defaultIncrementStepFrequency: Int

  15. final def eq(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  16. def equals(arg0: Any): Boolean

    Definition Classes
    AnyRef → Any

  17. def finalize(): Unit

    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  18. final def getClass(): Class[_]

    Definition Classes
    AnyRef → Any

  19. def hashCode(): Int

    Definition Classes
    AnyRef → Any

  20. def incrementStepFactor(config: Config): Int

  21. def incrementStepFrequency(config: Config): Int

  22. final def isInstanceOf[T0]: Boolean

    Definition Classes
    Any

  23. final def ne(arg0: AnyRef): Boolean

    Definition Classes
    AnyRef

  24. def notTerminated: Boolean

    Returns true as long as terminationCause is null.

  25. final def notify(): Unit

    Definition Classes
    AnyRef

  26. final def notifyAll(): Unit

    Definition Classes
    AnyRef

  27. final def pushUp(tree: Ref[T, R], worker: WorkerTask): Unit

    Pushes the result up the tree

    Pushes the result up the tree

    After completing node worker tryes to push the result up the tree, as far as he could

    Attributes
    protected
    Annotations
    @tailrec()

  28. final def setTerminationCause(tc: TerminationCause): Unit

    Annotations
    @tailrec()

  29. def storeIntermediateResult(node: Node[T, R], res: R): Unit

    Stores the result of processing the node into the lresult field.

    Stores the result of processing the node into the lresult field.

    This behaviour can be overridden.

  30. final def synchronized[T0](arg0: ⇒ T0): T0

    Definition Classes
    AnyRef

  31. val terminationCauseRef: AtomicReference[TerminationCause]

    Used for cancelling operations early (e.

    Used for cancelling operations early (e.g. due to exceptions). Holds information on why the operation failed

    Attributes
    protected

  32. def toString(): String

    Definition Classes
    AnyRef → Any

  33. def validateResult(r: R): R

    Returns the result if there was no early termination.

    Returns the result if there was no early termination. Otherwise may throw an exception based on the termination cause.

    Annotations
    @inline()

  34. final def wait(): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  35. final def wait(arg0: Long, arg1: Int): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  36. final def wait(arg0: Long): Unit

    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  37. def workOn(tree: Ref[T, R], config: Config, worker: WorkerTask): Boolean

    Returns true if completed with no stealing.

    Returns true if completed with no stealing. Returns false if steal occurred.

    May be overridden in subclass to specialize for better performance.

Inherited from AnyRef

Inherited from Any

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