OnJava8-Examples/concurrent/WorkStealingPool.java

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// concurrent/WorkStealingPool.java
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// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.util.concurrent.*;
class ShowThread implements Runnable {
@Override
public void run() {
System.out.println(
Thread.currentThread().getName());
}
}
public class WorkStealingPool {
public static void main(String[] args)
throws InterruptedException {
System.out.println(
Runtime.getRuntime().availableProcessors());
ExecutorService exec =
Executors.newWorkStealingPool();
for(int i = 0; i < 10; i++)
exec.execute(new ShowThread());
exec.awaitTermination(1, TimeUnit.SECONDS);
}
}
/* Output:
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8
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ForkJoinPool-1-worker-1
ForkJoinPool-1-worker-2
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ForkJoinPool-1-worker-1
ForkJoinPool-1-worker-1
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ForkJoinPool-1-worker-4
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ForkJoinPool-1-worker-1
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ForkJoinPool-1-worker-3
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ForkJoinPool-1-worker-5
ForkJoinPool-1-worker-4
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ForkJoinPool-1-worker-2
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*/