$L1CM
COMPARISON OF SOME PDP11 PROCESSORS USING A PDP11/34 AS A BASE
$A TAB = 20,50,60
$B3 @TESTS WERE RUN ON @RELEASE 7 OF @DEIMOS USING THE STANDARD
EXTENDED INSTRUCTION SET EXCEPT WHERE NOTED.
$B3
11/34 $T+1 @NO MUL/DIV $T+1 $C+1 84.4$%
$B0 11/34 $T+1 @REL 6 @SUPR. $T+1 $C+1 89.2$%
$B0 11/34 $T+1 @STANDARD $T+1 100$%
$B1 11/40 $T+1 @NO MUL/DIV $T+1 105.4$%
$B0 11/40 $T+2 109.1$%
$B1 11/45 $T+1 @NO MUL/DIV $T+1 128.8$%
$B0 11/45 $T+2 148.1$%
$B6
$L1CM
DISC SPEEDS   1) RK05
$B2 @NO OF @SECTOR @INCREMENTS $T+1 @TRANSFERS/SEC
$B0 $C+8 0 $T+1 $C+6 25
$B0 $C+8 1 $T+1 $C+6 23
$B0 $C+8 2 $T+1 $C+5 103
$B0 $C+8 3 $T+1 $C+6 68
$B0 $C+8 4 $T+1 $C+6 51
$B0 $C+8 5 $T+1 $C+6 61
$B0 $C+8 6 $T+1 $C+6 50
$B0 $C+7 12 $T+1 $C+6 26
$B0 $C+6 100 $T+1 $C+6 22
$B2
@A PROGRAM THAT WRITES SOLIDLY TO THE .RK05 WROTE 1180 BLOCKS IN
ONE MINUTE (20 BLOCKS/SEC) USING 65$% OF AN 11/45 (NO FAST STORE) .CPU
USING .DEIMOS .VSN 8. @WHEN IN DIRECT COMPETITION WITH A SIMILAR PROGRAM
IT WROTE 612 @BLOCKS IN ONE MINUTE.
$E