Examples of eu.stratosphere.nephele.services.memorymanager.CheckedMemorySegment

Package eu.stratosphere.nephele.services.memorymanager

Examples of eu.stratosphere.nephele.services.memorymanager.CheckedMemorySegment

eu.stratosphere.nephele.services.memorymanager.CheckedMemorySegment
This class represents a piece of memory allocated from the memory manager. The segment is backed by a byte array and features random put and get methods for the basic types that are stored in a byte-wise fashion in the memory.

    for (int i = 0; i < sourceArray.length; i++) {
      sourceArray[i] = (byte) (i % Byte.MAX_VALUE);
    }


    Arrays.fill(segmentArray, (byte) 0);
    CheckedMemorySegment checkedSegment = new CheckedMemorySegment(segmentArray);
    long elapsedChecked = timePutByteArrayChecked(checkedSegment, sourceArray, numValues, rounds);
    checkedSegment = null;
    
    Arrays.fill(segmentArray, (byte) 0);
    DirectMemorySegment directSegment = new DirectMemorySegment(segmentArray);

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  private static final void testGetByteArrays1024(byte[] segmentArray, int numValues, int rounds) {
    byte[] targetArray = new byte[1024];


    Arrays.fill(segmentArray, (byte) 0);
    CheckedMemorySegment checkedSegment = new CheckedMemorySegment(segmentArray);
    long elapsedChecked = timeGetByteArrayChecked(checkedSegment, targetArray, numValues, rounds);
    checkedSegment = null;
    
    Arrays.fill(segmentArray, (byte) 0);
    DirectMemorySegment directSegment = new DirectMemorySegment(segmentArray);

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eu.stratosphere.nephele.memory.MemorySegmentSpeedBenchmark

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