Examples of TwoThreadBlockingQueue

org.apache.maven.plugin.surefire.util.internal.TwoThreadBlockingQueue

A producer/consumer queue that is optimized for *one* producer thread and *one* consumer thread, and solely optimized for efficient inserts by the producer, minimizing producer locking for hand-off to a second consumer.

The producer can actually come in on different threads (because lastInserted is volatile), but can/will lose items if they arrive concurrently. Take only supports a single client.

This runs like crazy, but is not the most garbage friendly around.

TwoThreadBlockingQueue insert 5000000 elements in = 52ms LinkedBlockingQueue insert 5000000 elements in = 179ms LikedBlockingDeque insert 5000000 elements in = 114ms ArrayList insert 5000000 elements in = 18ms (sized at correct size from start) @author Kristian Rosenvold

    final int num = 100000;


    public void testPut()
        throws Exception
    {
        BlockingQueue twoThreadBlockingQueue = new TwoThreadBlockingQueue();


        String[] items = generate( num );
        //long start = System.currentTimeMillis();
        for ( String item : items )
        {
            twoThreadBlockingQueue.add( item );
        }
        //long elapsed = System.currentTimeMillis() - start;
        //System.out.println( "TwoThreadBlockingQueue insert " + num + " elements in  = " + elapsed );
        System.gc();
    }

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Examples of TwoThreadBlockingQueue

Examples of org.apache.maven.plugin.surefire.util.internal.TwoThreadBlockingQueue