coderplay

public class TestMemoryAccessPatterns {
  private static final int LONG_SIZE = 8;
  private static final int PAGE_SIZE = 2 * 1024 * 1024;
  private static final int ONE_GIG = 1024 * 1024 * 1024;

  private static final int ARRAY_SIZE = (int) (ONE_GIG / LONG_SIZE);
  private static final int WORDS_PER_PAGE = PAGE_SIZE / LONG_SIZE;

  private static final int ARRAY_MASK = ARRAY_SIZE - 1;
  private static final int PAGE_MASK = WORDS_PER_PAGE - 1;