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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import java.util.*; |
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import java.util.concurrent.*; |
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//import jsr166y.*; |
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import java.util.concurrent.ArrayBlockingQueue; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.CyclicBarrier; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.LinkedBlockingDeque; |
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import java.util.concurrent.LinkedBlockingQueue; |
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import java.util.concurrent.LinkedTransferQueue; |
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import java.util.concurrent.Phaser; |
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import java.util.concurrent.PriorityBlockingQueue; |
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import java.util.concurrent.SynchronousQueue; |
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public class ProducerConsumerLoops { |
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static final int NCPUS = Runtime.getRuntime().availableProcessors(); |
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static final Random rng = new Random(); |
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static final ExecutorService pool = Executors.newCachedThreadPool(); |
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static boolean print = false; |
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static int producerSum; |
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if (print) |
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System.out.print("ArrayBlockingQueue(fair)"); |
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oneRun(new ArrayBlockingQueue<Integer>(POOL_SIZE, true), n, fairIters); |
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} |
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abstract static class Stage implements Runnable { |
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static final class LTQasSQ<T> extends LinkedTransferQueue<T> { |
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LTQasSQ() { super(); } |
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public void put(T x) { |
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try { super.transfer(x); |
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} catch (InterruptedException ex) { throw new Error(); } |
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try { super.transfer(x); } |
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catch (InterruptedException ex) { throw new Error(ex); } |
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} |
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} |
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if ((++calls & 1) == 0) |
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super.put(x); |
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else { |
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try { super.transfer(x); |
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} catch (InterruptedException ex) { |
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throw new Error(); |
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} |
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try { super.transfer(x); } |
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catch (InterruptedException ex) { throw new Error(ex); } |
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} |
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} |
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} |