trait Parallelizable[+A, +ParRepr <: Parallel] extends Any
This trait describes collections which can be turned into parallel collections
by invoking the method par
. Parallelizable collections may be parameterized with
a target type different than their own.
- A
the type of the elements in the collection
- ParRepr
the actual type of the collection, which has to be parallel
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Abstract Value Members
- abstract def seq: IterableOnce[A]
Concrete Value Members
- def par: ParRepr
Returns a parallel implementation of this collection.
Returns a parallel implementation of this collection.
For most collection types, this method creates a new parallel collection by copying all the elements. For these collection,
par
takes linear time. Mutable collections in this category do not produce a mutable parallel collection that has the same underlying dataset, so changes in one collection will not be reflected in the other one.Specific collections (e.g.
ParArray
ormutable.ParHashMap
) override this default behaviour by creating a parallel collection which shares the same underlying dataset. For these collections,par
takes constant or sublinear time.All parallel collections return a reference to themselves.
- returns
a parallel implementation of this collection