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From: Dinesh Somasekhar <somasekh AT ecn DOT purdue DOT edu>
Date: Mon, 29 Jun 1998 03:29:36 -0500 (EST)
To: Marc Lehmann <pcg AT goof DOT com>
Cc: beastium <beastium-list AT Desk DOT nl>
Subject: benchmark, anybody?
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Hi,


"Marc" == Marc Lehmann <pcg AT goof DOT com> writes:

 ... lots deleted ....
 > time ./bzip2 -9 </bin/bash >/dev/null

 > as a benchmark. please be paranoid about the runtime, i.e. time each command
 > a couple of times, on an absolutly unloaded system. The difference in
 > runtime between those executables isn't large (at least not on my machine),
 > so one must be careful in timing these. use real time not user time.

 > the absolute runtime doesn't matter much, the relative speed difference is
 > important.

 > thanks!

  This was obtained on a Cyrix 6x86mx (200MHz clk, 66MHz x 3)

 ls -l /bin/bash
-rwxr-xr-t   2 root     bin        279176 Sep 10  1996 /bin/bash

Linux 2.1.106
MemTotal:     63492 kB
SwapTotal:   124988 kB

time ./bzip2-nomx -9 < /bin/bash > /dev/null

1.720u 0.020s 0:01.74 100.0% 0+0k 0+0io 50pf+0w
1.710u 0.040s 0:01.75 100.0% 0+0k 0+0io 50pf+0w
1.720u 0.040s 0:01.76 100.0% 0+0k 0+0io 50pf+0w
1.710u 0.040s 0:01.75 100.0% 0+0k 0+0io 50pf+0w
1.690u 0.060s 0:01.75 100.0% 0+0k 0+0io 50pf+0w
1.680u 0.060s 0:01.75 99.4% 0+0k 0+0io 50pf+0w
1.710u 0.050s 0:01.78 98.8% 0+0k 0+0io 50pf+0w
1.740u 0.020s 0:01.77 99.4% 0+0k 0+0io 50pf+0w
1.710u 0.030s 0:01.75 99.4% 0+0k 0+0io 50pf+0w
1.700u 0.050s 0:01.76 99.4% 0+0k 0+0io 50pf+0w

time ./bzip2-mx -9 < /bin/bash > /dev/null

2.190u 0.020s 0:02.21 100.0% 0+0k 0+0io 51pf+0w
2.170u 0.040s 0:02.21 100.0% 0+0k 0+0io 51pf+0w
2.170u 0.050s 0:02.22 100.0% 0+0k 0+0io 51pf+0w
2.210u 0.020s 0:02.24 99.5% 0+0k 0+0io 51pf+0w
2.170u 0.040s 0:02.22 99.5% 0+0k 0+0io 51pf+0w
2.190u 0.020s 0:02.22 99.5% 0+0k 0+0io 51pf+0w
2.200u 0.010s 0:02.22 99.5% 0+0k 0+0io 51pf+0w
2.160u 0.050s 0:02.22 99.5% 0+0k 0+0io 51pf+0w
2.200u 0.020s 0:02.22 100.0% 0+0k 0+0io 51pf+0w
2.180u 0.040s 0:02.22 100.0% 0+0k 0+0io 51pf+0w
  
Dinesh