[comp.os.minix] dhrystones on pyramid

petri (Stefan Petri) (10/08/89)

Here are my dhrystone-results for our Targon/35-M50 (cloned pyramid 8910?),
10MHz, 16MB, double cpu ; not single-user-mode, but only one user.
3 > cc -V
$Revision: 1.2 $  $Date: 88/04/19 08:14:51 $
4 > cc -O dry.c -o drynr
5 > cc -O -DREG=register dry.c -o dryr
6 > cc -OG -v -DREG=register dry.c -o dryrOG

optimization statistics

number expressions reduced           =          1
number redundant statements removed  =          0
number redundant expressions removed =          3
number statements moved outside loop =          0
number expressions moved outside loop=          0
number long statements optimized     =          0

SymTab - entries       :        290
vars and params        :         55
size of sets           :          2
max size of sets       :          4

7 > ucb cc -OG -DREG=register dry.c -o dryrOGucb    # that's a different libc.a
8 > drynr
Dhrystone(1.1) time for 500000 passes = 61
This machine benchmarks at 8178 dhrystones/second
9 > dryr
Dhrystone(1.1) time for 500000 passes = 61
This machine benchmarks at 8181 dhrystones/second
10 > dryrOG
Dhrystone(1.1) time for 500000 passes = 60
This machine benchmarks at 8207 dhrystones/second
11 > dryrOGucb
Dhrystone(1.1) time for 500000 passes = 61
This machine benchmarks at 8194 dhrystones/second
-------------
Some results from a Sun3/60 (68020 , 8MB , ? MHz), with cc and gcc
4 > cc -O4 -DREG=register dry.c -o dryrO4
5 > dryrO4
Dhrystone(1.1) time for 50000 passes = 10
This machine benchmarks at 4838 dhrystones/second
6 > gcc -O -DREG=register dry.c -o dryrOgcc
7 > dryrOgcc
Dhrystone(1.1) time for 50000 passes = 10
This machine benchmarks at 4958 dhrystones/second

S.P.
--
Stefan Petri					<petri@tubsibr.UUCP>
Technische Universitaet Braunschweig, Institut fuer Betriebssysteme und
Rechnerverbund, 3300 Braunschweig, W. Germany.