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Scala example source code file (

This example Scala source code file ( is included in my "Source Code Warehouse" project. The intent of this project is to help you more easily find Scala source code examples by using tags.

All credit for the original source code belongs to; I'm just trying to make examples easier to find. (For my Scala work, see my Scala examples and tutorials.)

Scala tags/keywords

concurrent, forkjoin

The Scala example source code

 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at

 * Preview versions of classes targeted for Java 7.  Includes a
 * fine-grained parallel computation framework: ForkJoinTasks and
 * their related support classes provide a very efficient basis for
 * obtaining platform-independent parallel speed-ups of
 * computation-intensive operations.  They are not a full substitute
 * for the kinds of arbitrary processing supported by Executors or
 * Threads. However, when applicable, they typically provide
 * significantly greater performance on multiprocessor platforms.
 * <p>Candidates for fork/join processing mainly include those that
 * can be expressed using parallel divide-and-conquer techniques: To
 * solve a problem, break it in two (or more) parts, and then solve
 * those parts in parallel, continuing on in this way until the
 * problem is too small to be broken up, so is solved directly.  The
 * underlying <em>work-stealing</em> framework makes subtasks
 * available to other threads (normally one per CPU), that help
 * complete the tasks.  In general, the most efficient ForkJoinTasks
 * are those that directly implement this algorithmic design pattern.
package scala.concurrent.forkjoin;

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