Package util

Examples of util.StopWatch.start()


    log.info("### JNI ###");

    long nanos;
    final StopWatch timer = new StopWatch();

    timer.start();
    for (int k = 0; k < COUNT; k++) {
      // baseline
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
    log.info("baseline nanos={}", nanos);

    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testEmptyCall0();
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
    log.info("empty call; nanos={}", nanos);

    timer.start();
    for (int k = 0; k < COUNT * 10; k++) {
      final int[] array = BenchBasic.testMakeArray0(SIZE);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT / 10;
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    timer.stop();
    nanos = timer.nanoTime() / COUNT / 10;
    log.info("make arrray 1024; nanos={}", nanos);

    final int[] arrayInt = new int[SIZE];
    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testGetSetArray0(arrayInt, true);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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      BenchBasic.testGetSetArray0(arrayInt, true);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
    log.info("get/set/update array; nanos={}", nanos);
    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testGetSetArray0(arrayInt, false);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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    timer.stop();
    nanos = timer.nanoTime() / COUNT;
    log.info("get/set/abort  array; nanos={}", nanos);

    final Object[] array = new Object[SIZE];
    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testIterateArray0(array);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT / SIZE;
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    //
    final Set<Object> set = new HashSet<Object>();
    for (int k = 0; k < SIZE; k++) {
      set.add(k);
    }
    timer.start();
    for (int k = 0; k < COUNT / 10; k++) {
      BenchBasic.testIterateSet0(set);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT / SIZE * 10;
 
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    //

    final int FILL_SIZE = 1024;

    final byte[] fillArray = new byte[FILL_SIZE];
    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testFillArray0(fillArray);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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    timer.stop();
    nanos = timer.nanoTime() / COUNT;
    log.info("fillArray;  nanos={}", nanos);

    final ByteBuffer fillBuffer = ByteBuffer.allocateDirect(FILL_SIZE);
    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testFillBuffer0(fillBuffer);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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    timer.stop();
    nanos = timer.nanoTime() / COUNT;
    log.info("fillBuffer; nanos={}", nanos);

    final IntBuffer loadBuffer = HelpUDT.newDirectIntBufer(1024);
    timer.start();
    for (int k = 0; k < COUNT; k++) {
      BenchBasic.testDirectIntBufferLoad0(loadBuffer);
    }
    timer.stop();
    nanos = timer.nanoTime() / COUNT;
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