*****Figure 4*****



                *** Program Execution Summary ***

Program executed:              crc15.exe
Delay/Run period (clicks):     0/0
Start date/time:               October 19, 1989  19:45:12
Stop date/time:                October 19, 1989  19:45:18
Elapsed execution time:        0: 0: 0: 6           6 seconds

Total execution clicks:                95
Approximate clicks/second:           15.8  Approx sample period (ms):  63.2
Total monitored hits:                  92

Total symbol entries:                 115
Number of symbols hit:                  4  % of total symbols hit:      3.5
Total symbol hits:                     73  Avg hits/hit symbol:        18.3

Number of monitored interrupts:         2
Number of interrupts used:              2  % of total monitored:      100.0
Total BIOS interrupt calls:           141  Avg # interrupts/hit:        7.4
Total BIOS interrupt hits:             19  Avg # hits/interrupt:        0.1

Number of DOS calls used:              12
Total DOS program calls:              113

Time in program (secs):              4.76  % of total:       79.3
Time in BIOS/DOS (secs):             1.24  % of total:       20.7
Time below program (secs):           0.00  % of total:        0.0
Time above program (secs):           0.00  % of total:        0.0

Total KNOWN time used (secs):        6.00  % of total:      100.0
Total UNKNOWN time used (secs):      0.00  % of total:        0.0


        *** Symbol Execution Summary ***

 Abs Addr       Hits   Loc %   Tot %   Entry Name
---------   --------   -----   -----   ----------
       7a         12    16.4    13.0   _crc
      11e         50    68.5    54.3   _crc_update
      3e4          1     1.4     1.1   __chkstk
     1edc         10    13.7    10.9   __aNlshr

--- HINT --- HINT --- HINT --- HINT --- HINT --- HINT --- HINT --- HINT ---

        Concentrate on the following functions to improve your program's
        performance:

               _crc ( 13.0)
               _crc_update ( 54.3)
               __aNlshr ( 10.9)

