private byte[] ba1;
  private byte[] ba2;
  private byte[] ba3;
  private byte[] ba4;
  private Comparator<byte[]> javaImpl;
  private Comparator<byte[]> unsafeImpl;

  // 4, 8, 64, 1K, 1M, 1M (unaligned), 64M, 64M (unaligned)
  // @Param({"4", "8", "64", "1024", "1048576", "1048577", "6710884", "6710883"})
  @Param({"4", "8", "64", "1024"})
  private int length;

  @BeforeExperiment
  void setUp() throws Exception {

        }
        buf.append(File.separator);
        buf.append("gc-").append(getExecuteType()).append(".log");
        buf.append(":utctime,pid,tags:filecount=5,filesize=64m");
        return jvmOptions(buf.toString());
    }

    /**
     * Adds JVM options for this job execution.
     *
     * @param options the JVM options to add