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  9.           **************************************************************************************************************
  10.           *      1.538 +                                                                                          D    *
  11.           *            |                                                                                               *
  12.           *            |                                                                                               *
  13.           *            |                                                                                               *
  14.           *      1.479 +                                                                                               *
  15.           *            |                                                                                               *
  16.           *            |                                                                                               *
  17.           *            |                                                                                          A    *
  18.           *      1.420 +                                                                                               *
  19.           *            |                                                                                A              *
  20.           *            |                                                                                               *
  21.           *            |                                                                      A         B         B    *
  22.           *      1.361 +                                                                                               *
  23.           *            |                                                                                               *
  24.           *            |                                                                                               *
  25.           *            |                                                            A                                  *
  26.           *      1.303 +                                                                                               *
  27.           *            |                                                                      B                        *
  28.           *            |                                                                                               *
  29.           *            |                                                                                               *
  30.           * R    1.244 +                                                                                               *
  31.           *            |                                                                                               *
  32.           *            |                                                                                               *
  33.           *            |                                                                                               *
  34.           *      1.185 +                                                                                               *
  35.           *            |                                                                                               *
  36.           *            |                                                                                               *
  37.           *            |                                                            B                                  *
  38.           *      1.127 +                                                                                               *
  39.           *            |                                                  A                                            *
  40.           *            |                                                                                               *
  41.           *            |                                                                                               *
  42.           *      1.068 +                                                                                               *
  43.           *            |                                                                                               *
  44.           *            |                                                                                C              *
  45.           *            |                                                                                               *
  46.           *      1.009 +TEF                 B         E        CABF                           C         EF        EF   *
  47.           *            |BC       EBCF      EACF      FBC        E        EBCF      FCE        EF                  C    *
  48.           *            |                              A                                                                *
  49.           *            |          A                                                                                    *
  50.           *      0.950 +A                                                                                              *
  51.           *             +---------+---------+---------+---------+---------+---------+---------+---------+---------+    *
  52.           *            0.0       4.0       8.0      12.0      16.0      20.0      24.0      28.0      32.0      36.0   *
  53.           *                                               DISK                                                         *
  54.           *          R = RATIO OF TWO SYSTEMS THROUGHPUT      DISK = DISK READ + WRITE REQUESTS PER WORK UNIT          *
  55.           *                        CURVE SYMBOL    -    NUMBER OF TTY WRITE REQUESTS PER WORK UNIT                     *
  56.           *            CURVE A   0     CURVE B  30     CURVE C  60     CURVE E  90     CURVE F 120                     *
  57.           *            I/O  ONLY --- CURVE T  TTY ONLY   CURVE D  DISK ONLY      MULTIUSER LEVELS EQUAL  8   8         *
  58.           *                   *** THE THROUGHPUT RATIO OF M A C H I N E   A   VS   M A C H I N E   B ***               *
  59.           **************************************************************************************************************
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