NODAL

Timing Comparision: mc68000 versus IBM PC-AT

Historic Corner

 Timing measurements                       A McKeeman 06/02/86
Version 1.0

Statement        MC68K + RAM extension    IBM PC/AT + coprocessor

SE A=1                  1.95                      2.03
SE A=B                  2.00                      2.09
SE A(1)=1               3.78                      3.79
SE A(2,2)=1             5.17                      5.16
SE A=A*B/C              3.91                      3.89
SE A=2*5/3              3.78                      3.57
FOR loop                0.80                      0.99
WHILE 1=2               3.25                      3.33
IF A=B                  2.64                      2.75
$IF A=B                 4.69 (1 ch)               3.92 (1 ch)
                       32.28 (80 ch)             42.40 (80 ch)
$SE A="HELP"            3.84                      4.30
$SE A=C                 4.34                      4.85
DO (RET)                6.91                     11.42