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BogoMips
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BogoMips mini-Howto
Wim C.A. van Dorst <baron@clifton.hobby.nl>
19 December 1995
This text gives a little information about BogoMips, compiled
from various sources by news and mail. This text is retrievable
from ftp://sunsite.unc.edu/pub/Linux/docs/HOWTO/mini/BogoMips.
An article will be published in Linux Journal January 1996
The Lowest Linux BogoMips:
Tim Van der Linden <timvdl@innet.be>
Intel 8088/4.77
0.02 BogoMips
The Highest Linux BogoMips:
Kevin Jacobs <jacobs@eek.cwru.edu>
Alpha 21064A/275
274.11 BogoMips
-------------------------------------------------------------------------------
Contents of this HOWTO:
1. What are BogoMips Lars Wirzenius
2. How to estimate BogoMips several authors
3. Variations in BogoMips rating Linus Torvalds
4. Standalone BogoMips program Jeff Tranter
5. BogoMips ... failed Wim van Dorst
6. Why to pay attention to BogoMips Wim van Dorst
7. Compilation of ratings Wim van Dorst
A. Oddly or faultly configured 386 systems
B. Normal 386SX systems
C. Normal 386DX systems
D. Oddly or faultly configured 486 systems
E. Cyrix/IBM configured 486 systems
F. Normal 486 systems
G. Oddly or faultly configured Pentium systems
H. Normal Pentium systems
I. Normal Alpha systems
J. Normal Motorola systems
K. Other systems: Sparc, PowerPC, Mips, Intel 8088
L. Non-Linux systems (reference only)
-------------------------------------------------------------------------------
1. What are BogoMips
>From Lars Wirzenius' <wirzeniu@kruuna.Helsinki.FI> mail
of 9 September 1993, explaining Bogomips:
`MIPS is short for Millions of Instructions Per Second.
It is a measure for the computation speed of a program.
Like most such measures, it is more often abused than
used properly (it is very difficult to justly compare
MIPS for different kinds of computers).
BogoMips are Linus's invention. The kernel (or was it a
device driver?) needs a timing loop (the time is too
short and/or needs to be too exact for a non-busy-loop
method of waiting), which must be calibrated to the
processor speed of the machine. Hence, the kernel
measures at boot time how fast a certain kind of busy
loop runs on a computer. "Bogo" comes from "bogus", i.e,
something which is a fake. Hence, the BogoMips value
gives some indication of the processor speed, but it is
way too unscientific to be called anything but BogoMips.
The reasons (there are two) it is printed during bootup
is that a) it is slightly useful for debugging and for
checking that the computers caches and turbo button work,
and b) Linus loves to chuckle when he sees confused
people on the news.'
-------------------------------------------------------------------------------
2. How to estimate BogoMips
>From a initiative by Ian Jackson <ijackson@nyx.cs.du.edu> and
Przemek Klosowski, much updated and expanded by Wim van Dorst for
current data, as listed below:
As a very approximate guide the BogoMips can be calculated by:
System BogoMips Comparison
Intel 8088 clock * (0.004 plusminus 0.001) 0.02
Intel/AMD 386SX clock * (0.14 plusminus 0.01) 0.8
Intel/AMD 386DX clock * (0.18 plusminus 0.01) 1 (definition)
Motorola 68030 clock * (0.25 plusminus 0.005) 1.4
Cyrix/IBM 486 clock * (0.34 plusminus 0.065) 1.8
Intel Pentium clock * (0.40 plusminus 0.035) 2.2
Intel/AMD 486 clock * (0.50 plusminus 0.01) 2.8
Mips R4000/R4400 clock * (0.50 plusminus 0.015) 2.3
PowerPC 601 clock * (0.77 plusminus 0.015) 4.5
Alpha 21064/21066 clock * (0.99 plusminus 0.005) 5.5
Mips R4600 (insufficient data yet)
Motorola 68040 (insufficient data yet)
Sparc (insufficient data yet)
Note that the BogoMips calculation loop is not optimized
for the parallelism of the Pentium processor.
Note that the BogoMips calculation loop for the non-Intel
CPUs is similar but not linearly equivalent.
-------------------------------------------------------------------------------
3. Variations in BogoMips rating
>From Linus Torvalds <torvalds@cc.helsinki.fi>, explaining about the
variation one may see in the BogoMips rating, in c.o.l.development,
at 28 April 1994
`The BogoMips calculation loop is "quantizised", so you're
most likely to get the exact same number all the time.
You usually will get different numbers only if the speed
is just on the "edge", when small variations (different
time for interrupt ticks etc) will make it jump from one
value to the other.'
-------------------------------------------------------------------------------
4. Standalone BogoMips program
>From the readme file of the standalone BogoMips program
by Jeff Tranter <jeff_tranter@mitel.com>:
`Tired of rebooting your system so you can see how many
BogoMIPS it's running at today? [...] "Bogomips" is a
standalone program that displays your system performance
using one of the world's most recognized benchmarks. It
uses the same code that is used in the Linux kernel while
booting, but runs as a user program. [...] Version 1.3 of
BogoMIPs is now portable and should run on any system
that supports an ANSI C compiler and library.'
Note that due to system load values calculated with the
standalone program may be lower than registered in the
list below.
-------------------------------------------------------------------------------
5. BogoMips ... failed
Suggested by various questions on the net and private mail,
e.g. by Lily <lbliao@alumni.caltech.edu> and by Pierre Frenkiel
<frenkiel@cdfap2.in2p3.fr>. In March 1995 they asked:
`When I boot Linux I get the message:
Calibrating delay loop.. ok - 23.96 BogoMips
failed
Where/why has the calibration delay loop failed?'
It didn't fail. If it had failed the text would have been
Calibrating delay loop.. failed
What likely did fail was a driver for some gadget which
you may not have in your machine. Just after calculating
the BogoMips rating all device drivers are initiated.
First the SCSI devices, then Net devices, etc. Any
failure is duly reported. Noteworthy is the AHA152x
driver. Other effects of failing drivers (and not of
failing BogoMips calculations) are systems crashes, long
waits, and complete system locks.
Since Linux 1.2 many error messages have improved, so
upgrade to at least that version to find out which
particular driver it is that is failing.
-------------------------------------------------------------------------------
6. Why to pay attention to BogoMips
Let me add that there are only two reasons for paying attention
to the BogoMips rating that is presented on booting Linux:
1. To see whether it is in the proper range for the
particular processor, its clock frequency, and the
potentially present cache. Especially 486 systems are
prone to faulty setups of RAM caching, turbo-buttons,
and such things.
2. To see whether your system is faster than mine. Of
course this is completely wrong, unreliable,
ill-founded, and utterly useless, but all benchmarks
suffer from this same problem. So why not use it? This
inherent stupidity has never before stopped people
from using benchmarks, has it? :-)
-------------------------------------------------------------------------------
7. Compilation of ratings
The following table gives some reported BogoMips ratings for
various systems. Note that the ratings here are from the
Linux actual booting sequence, except of course for the section
on Non-Linux Systems.
A. Oddly or faultly configured 386 systems
System BogoMips Reporter
386DX/16 387 nocache 0.57 H. Peter Anvin <hpa@nwu.edu>
386DX/25 0.82 P Wright <philip.wright@purplet.demon.co.uk>
386DX/25 nocache 1.03 Mark A. Horton <mahmha@crl.com>
386SX/16 1.5 Stefan Kromer <sk@galaxy.sunflower.sub.org>
386SX/16 1.6 Bill Davidsen <davidsen@tmr.com>
386SX/20 1.87 Paul C. Dulany <pcdulany@wam.umd.edu>
386DX/25(?) 128c 6.03 Chuck Meo <meo@solbourne.com>
386DX/20 13 Ed Runnion <erunnio@hubcap.clemson.edu>
B. Normal 386SX systems
System BogoMips Reporter
386SX/16 Packard Bell 2.05 <root@Belvedere\%hip-hop.suvl.ca.us>
386SX/16 2.15 W Stevens <wgsteven@math.uwaterloo.co>
386SX/16 2.2 Lech Marcinkowski <puolalm@tekla.fi>
386SX/16 2.23 Andrew Bulhak <acb@yoyo.cc.monash.edu.au>
386SX/16 2.23 Steven M. Gallo <smgallo@cs.buffalo.edu>
386SX/16 2.34 Kevin Burtch <kburtch@pts.mot.com>
386SX/16 turbo 2.38 Andrew Haylett <ajh@gec-mrc.co.uk>
386SX/16 nocache 2.43 Adam Clarke <adamc@loose.apana.org.au>
386SX/20 2.7 Alex Strasheim <astrashe@nyx.cs.du.edu>
386SX/20 2.70 J.L. Brothers <brothers@halcyon.com>
386SXL/25 AMD 2.9 Vaughan R. Pratt <pratt@Sunburn.Stanford.EDU>
386SX/25 AMD nocache 3.06 K.J. MacDonald <kenny@festival.ed.ac.uk>
386SX/25 AMD 3.38 Hamish Coleman <hamish@zot.apana.org.au>
386SX/25 nocache 3.52 Rogier Wolff <r.e.wolff@et.tudelft.nl>
386SL/25 Intel 3.57 S Harris <harris@teaching.physics.ox.ac.uk>
386SX/25 AMD 3.62 S Harris <harris@teaching.physics.ox.ac.uk>
386SX/33 Intel 4.06 Kenneth J. Hoover <ken@PSUEDVAX.PSU.EDU>
386SX/33 4.71 Alexander Komlik <apkom@l.ukrcom.kherson.ua>
C. Normal 386DX systems
System BogoMips Reporter
386DX/16 2.49 Mike <mike@emgee.demon.co.uk>
386DX/20 Intel 3.0 Malcolm Reeves <reeves@rocky1.usask.cs>
386DX/20 Intel 3.08 Si. Harris <harris@teaching.physics.ox.ac.uk>
386DX/20 Nec Powermate 3.22 David J Dawkins <davidd@isl.co.uki>
386DX/20 Micronics 3.25 M Haardt <u31b3hs@informatik.RWTH-Aachen.DE>
386DX/20 3.67 Joost Helberg <jhelberg@nlsun8.oracle.nl>
386DX/25 3.91 Ian McCloghrie <imcclogh@cs.ucsd.edu>
386DX/25 3.95 Grant Edwards <grante@aquarius.rosemount.com>
386DX/25 32cache 4.53 J.M.A. Lahtinen <jmalahti@klaava.Helsinki.FI>
386DX/33 5.86 Tim Lacy <timla@microsoft.com>
386DX/33 64cache 5.99 Lars Wirzenius <wirzeniu@kruuna.Helsinki.FI>
386DX/33 Intel 5.99 Harri Pasanen <hpasanen@cs.hut.fi>
386DX/33 no387 6.03 Joel B.Levin <levin@bbn.com>
386DX/33 387 6.03 Peter Bechtold <peter@fns.greenie.muc.de>
386DX/40 6.21 J.L. Brothers <brothers@halcyon.com>
386DX/33 6.46 Dennis Robinson <djrobins@uxa.cso.uiuc.edu>
386DX/33 6.5 Dean Nelson <deannelson@aol.com>
386DX/33 387 256cache 6.65 Wim van Dorst <baron@clifton.hobby.nl>
386DX/40 6.99 Ken Wilcox <wilcox@math.psu.edu>
386DX/40 AMD 7.10 Kerry Person <kperson@plains.NoDak.edu>
386DX/40 7.10 D. Bikram Singh <a336dhal@cdf.toronto.edu>
386DX/40 128cache 7.23 Julian Francis Day <jfd0@aber.ac.uk>
386DX/40 bogoboosted 7.23 Pat St Jean <stjean@math.enmu.edu>
386DX/40 AMD 128cache 7.23 R.Bergs <rabe@akela.informatik.rwth-aachen.de>
386DX/40 slow DRAM 7.26 John Lockwood <lockwood@pan.vlsi.uiuc.eu>
386DX/40 128c 7.29 Karsten Friese <ftdkafr@ftd.ericsson.se>
386DX/40 7.29 E.C. Garrison <ericg@nickel.ucs.indiana.edu>
386DX/40 7.29 Darin Cowan <cowan@rubicon.org>
386DX/40 7.29 Bonne van Dijk <bonne@cs.utwente.nl>
386DX/40 7.76 Todd Lindner <tlindner@panix.com>
386DX/40 AMD 7.76 Todd <tlinder@panix.com>
386DX/40 AMD 387 64c 7.91 <wires@gnu.ai.mit.edu>
386DX/40 7.98 Frank Pilhofer <fp@informatik.uni-frankfurt.de>
386DX/40 64c 7.98 Dean Junk <dpjunk@mm.com>
386DX/40 AMD 32c 7.98 Tommy Olsen <tommyo@ifi.uio.no>
386DX/40 7.98 Christian Nelson <cnelson@csugrad.cs.vt.edu>
386DX/40 7.98 Alan Peckham <peckham@drei.enet.dec.com>
386DX/40 8.06 Richard Brown <brown@midget.towson.edu>
386DX/40 8.06 Bill G. Bohling <bs146@tali.uchsc.edu>
D. Oddly or faultly configured 486 systems
System BogoMips Reporter
486DX/33 nocache 1.45 Mark Gray <vatavian@gvu1.gatech.edu>
486SL/25 nocache 1.95 Paraskevas Evripidou <skevos@seas.smu.edu>
486DLC/40 nocache 2.45 S.Schendel <sschend@magnus.acs.ohio-state.edu>
484DX4/100 wb-cache 3.10 Paul Close <pdc@sgi.com>
486DX4/100 3.17 Thomas Sudbrak <sudbrak@borneo.gmd.de>
486SLC2/50 Cyrix 3.30 Colin J. Wynne <cwynne@sage.wlu.edu>
486DX/33 3.61 Marten van de Laan <marten@cs.rug.nl>
486DX/33 noturbo 3.61 Dimitris Evmorfopoulos <devmorfo@mtu.edu>
486DX4/120 3.74 Brian Wheeler <bdwheele@indiana.edu>
486DX4/100 Cyrix 256c 4 Joel Kelso <joel@cs.murdoch.edu.au>
486DX/33 256c noturbo 4.25 Wouter Liefting <wlieftin@cs.vu.nl>
486DX/33 4.66 Mark Gray <vatavian@gvu1.gatech.edu>
486Rx2 Cyrix 25/50 4.85 <cosc19v2@menudo.uh.edu>
486SX/33 noturbo 5.21 Scott D. Heavner <sdh@fishmonger.nouucp>
486DX2/66 overdrive 5.37 Jeremy Orr <jeremy@careercenter.sfsu.edu>
486DX/33 5.66 Ryan Tucker <rtucker@ttgcitn.com>
486DX4/100 5.94 Howard Goldstein <hg@n2wx.ampr.org>
486DX4/100 AMD 5.94 Mr Pink <vince@dallas.demon.co.uk>
486DX4/100 notebook 6.55 Thomas <tom@dirac.physik.uni-konstanz.de>
486SLC Cyrix 7 Pieter Verhaeghe <pive@uia.ac.be>
486SX/33 7.84 Paul Hedderly <prh6@unix.york.ac.uk>
486DLC/40 7.98 Wil Cromer <nwc2@Ra.MsState.Edu>
486DX4/100 11.11 NN <usenet@uxmail.ust.hk>
486DX4/100 11.3 Earl Gooch <egooch@mc.com>
486/66 Cyrix 13.02 Mike Baptiste <baptiste@bnr.ca>
486SLC2/25 14.6 Vaughan R. Pratt <pratt@Sunburn.Stanford.EDU>
486DX/33 turbo 19.98 C Vetter <cbvetter@informatik.th-darmstadt.de>
486SX-S/33 UMD 0c 20.20 Hynek Med <xmedh02@manes.vse.cz>
486DX4/75 21.5 Theo Scott <rkwtgs@pukrs3.puk.ac.za>
486DX4/75 24.13 Sherman Hsieh <shieh@csua.berkeley.edu>
486DX2/58 26.3 Vassili Leonov <leonov@iedv7.acd.com>
486SX-S/40 UMD 0c 26.63 Hynek Med <xmedh02@manes.vse.cz>
486DX4/100 overclock 28.67 Theo Scott <rkwtgs@pukrs3.puk.ac.za>
486DX2/80 36 Mark Lee <mlee@heartlab.rri.uwo.ca>
486DX2/80 50.08 Mark Lee <mlee@heartlab.rri.uwo.ca>
486DX4/100 60 Sebastien Dedieu <dedieu@emi.u-bordeaux.fr>
486DX2/100 overclock 60.45 Tony D Shan <tdsst9+@pitt.edu>
E. Cyrix/IBM configured 486 systems
System BogoMips Reporter
486DLC/33 9.42 Dennis Robinson <djrobins@uxa.cso.uiuc.edu>
486DLC/33 387DX/40 9.47 Denis Solaro <drzob@vectrex.login.qc.ca>
486DLC/33 Cyrix wb 9.5 Matthew Asplund <matt@xenon.cchem.berkely.edu>
486DLC/33 Cyrix 386 11.2 Alex Freed <freed@europa.orion.adobe.com>
486DLC/40 256c 11.33 S.Schendel <sschend@magnus.acs.ohio-state.edu>
486Dx/40 Cyrix 11.73 Malcolm Bremer <malcolm@strw.LeidenUniv.nl>
486DRx2/40 Cyrix 13.10 Christopher Lau <clau@acs.ucalgary.ca>
486DX/33 Cyrix 13.21 M Haardt <u31b3hs@informatik.RWTH-Aachen.DE>
486DLC/40 bogoboost 13.21 Harry Pasanen <ps@tekla.fi>
486DLC/40 487 Cyrix 13.21 Ian A. Verschuren <iav@po.CWRU.Edu>
486DCL Cyrix 13.3 Tracer Bullet P.I. <ges@earth.baylor.edu>
486DLC/40 13.31 Adam Frampton <frampton@access2.digex.net>
486DLC/40 13.31 Rick Chow <crc@cacs.usl.edu>
486SLC-S/33 13.51 Brad Pepers <pepersb@cuug.ab.ca>
486DLC/40 no Cxpatch 15.47 Sergei O. Naoumov <serge@envy.astro.unc.edy>
486DLC/40 TI 128c 15.97 Philip K. Roban <phil@seal.micro.umn.edu>
486DRx2/40 15.99 Christopher Lau <lauc@fusion.cuc.ab.ca>
486DX2/66 IBM no-FF 19 NN <coolefa@pmifeg.com>
486SLC2/66 IBM 64c 18.95 Sujat Jamil <sujat@shasta.ee.umn.edu>
486SLC2/66 IBM 128c 18.95 Sujat Jamil <sujat@shasta.ee.umn.edu>
486SLC2/66 19.02 Harry Mangalam <mangalam@uci.edu>
486SLC/50 19.28 Sion Arrowsmith <sion@bast.demon.co.uk>
486BL3/75 IBM 256c 21.50 Ming S. Chan <ming.chan@canrem.com>
486DX2/66 Cyrix 128c 26.63 Derek Kwan <dkwan@zeus.UWaterloo.ca>
486DX2/66 Cyrix 26.63 Adrian Parker <adrian@willen.demon.co.uk>
486DX2-S/66 256c 26.63 Jean-Marc Wislez <JeanMarc.Wislez@rug.ac.be>
F. Normal 486 systems
System BogoMips Reporter
486SX/20 DECpc 9.98 Thomas Pfau <pfau@cnj.digex.com>
486SX/25 12.24 M. Buchenrieder <mibu@scrum.greenie.muc.de>
486SX/25 12.3 Darren McKay <e9bh@unb.ca>
486SX/25 12.42 Mark R. Lindsey <mlindsey@nyx.cs.du.edu>
486DX/25 12.5 Phillip Hardy <phillip@mserve.kiwi.gen.nz>
486DX/33 256c 16.33 Eric Kemminan <ekemmina@pms709.ms.ford.com>
486DX/33 16.35 Christopher L. Morrow <cm43@andrew.cmu.edu>
486DX/33 64cache 16.44 H. Peter Anvin <hpa@nwu.edu>
486DX/33 256c DIY 16.44 Wouter Liefting <wlieftin@cs.vu.nl>
486DX/33 Intel 128c 16.44 Rafal Kustra <g1krakow@cdf.toronto.edu>
486DX/33 16.5 Alex Freed <freed@europa.orion.adobe.com>
486DX/33 16.6 Vaughan R. Pratt <pratt@Sunburn.Stanford.EDU>
486DX/33 noturbo 16.61 C Vetter <cbvetter@informatik.th-darmstadt.de>
486DX/33 16.61 Jeffrey L. Newbern <jnewbern@athena.mit.edu>
486DX/33 16.61 Marco <guiseppe.de.marco@giuda.deis.unical.it>
486DX/33 16.61 M Heuler <heuler@informatik.uni-wuerzburg.de>
486DX/33 16.61 Frank Lofaro <ftlofaro@unlv.edu>
486DX/33 16.77 Stephan Boettcher <staphan@alzt.tau.ac.il>
486DX/33 256c 16.77 David Manchester <mustang@tartarus.uwa.edu.au>
486DX/40 19.8 Jose Calhariz <cal@minerva.inesc.pt>
486DX/40 19.91 M Heuler <heuler@informatik.uni-wuerzburg.de>
486DX/40 19.96 David A. Ranch <dranch@ecst.csuchico.edu>
486DX/40 AMD 19.97 M Haardt <u31b3hs@informatik.RWTH-Aachen.DE>
486DX/40 Intel 19.97 Paul van Spronsen <vspr@teppic.sun.ac.za>
486DX/40 19.97 Ulf Tietz <ulf@rio70.bln.sni.de>
486DX/40 19.97 <Eberhard\_Moenkeberg@p27.rollo.central.de>
486DX/40 19.97 Zoltan Lajber <lajbi@lajli.gau.hu>
486DX/40 19.97 Wim van Dorst <baron@wiesje.hobby.nl>
486DX/40 AMD 20 Chuck Munro <chuckm@canada.hp.com>
486DX/50 24.48 Arnd Gehrmann <arnd@rea>
486DX/50 AMD 24.85 Klaas Hemstra <hst@mh.nl>
486DX/50 DTK 24.85 Randolph Christophers <randyc@lna.oz.au>
486DX/50 24.85 Kevin Lentin <kevinl@bruce.cs.monash.edu.au>
486DX2/50 24.85 Jason Matthew <jmatthew@kn.pacbell.com>
486DX2/50 24.85 Gregory P. Smith <smithgr@cs.colorado.edu>
486DX/50 VLB 24.97 Tom Miller <tvtom@en.com>
486DX/50 Intel 256c 24.99 Mike <mike@emgee.demon.co.uk>
486DX/50 25 Robert Herzog <rherzog@rc1.vub.ac.be>
486DX2/50 25 M. Abrahamsson <swmike@uplift.df.lth.se>
486DX2/50 25.0 Christian Holtje <choltje@ux1.cso.uiuc.edu>
486DX2/50 DECpc 25.04 Thomas Pfau <pfau@cnj.digex.com>
486DX2/50 Eisa 25.04 John Willing <willing@cimage.com>
486DX2/50 256c 25.04 Zhou Yanmo <zhou@gauss.math.usf.edu>
486DX2/50 25.04 Mats Wikholm <mwikholm@news.abo.fi>
486DX2/50 25.04 Jean C Delepine <delepine@linux.u-picardia.fr>
486DX/50 25.04 Jean C Delepine <delepine@linux.u-picardia.fr>
486DX/50 25.04 Kevin Burtch <kburtch@pts.mot.com>
486DX/50 notebook 25.04 Pierre Frenkiel <frenkiel@cdfap1.in2p3.fr>
486DX/50 25.10 M Heuler <heuler@informatik.uni-wuerzburg.edu>
486DX2/50 25.4 Brian Kennedy <bkenned@hubcap.clemson.edu>
486DX2/66 32 Lee Sau Dan <h9210876@khuxa.hku.hk>
486DX2/66 32.9 Frederick <niles@axp745.gsfc.nasa.gov>
486DX2/66 33 Alec Muffett <alecm@uk-usenet.uk.sun.com>
486DX2/66 33 NN <coolefa@pmifeg.com>
486DX2/66 33 Steve Tinney <sjt@enlil.museum.upenn.edu>
486DX2/66 Intel 33 Chuck Munro <chuckm@canada.hp.com>
486DX2/66 VLB 33.0 Sebastien Dedieu <dedieu@emi.u-bordeaux.fr>
486DX2/66 AMD 33.05 G. Skinner <gskinner@gwsunix1.crystalball.com>
486DX2/66 33.20 Arnd Gehrmann <arnd@rea>
486DX2/66 Intel/PCI 33.22 C. Menke <carsten.menke@post.uni-bielefeld.de>
486DX2/66 33.22 Brian Ricker <gt2327c@prism.gatech.edu>
486DX2/66 33.22 Don Bennett < <don@engr.mun.ca>
486DX2/66 33.22 Warwick Ward-Cox <wwar@lostlink.alt.za>
486DX2/66 33.22 Chien-An Chen <giant@nwu.edu>
486DX2/66 Eisa/VL 33.22 Serge <sviznyuk@magnus.acs.ohio-state.edu>
486DX2/66 AMD 33.22 Wayne Robinson <wayner@renoir.cftnet.com>
486DX2/66 Intel 33.22 Jim Barber <yeul@marsh.cs.martin.edu.au>
486DX2/66 33.22 Tom Lowery <tlowery@mcs.kent.edu>
486DX2/66 33.3 Devon Tuck <devon@netcom.com>
486DX2/66 256cache 33.4 H. Peter Anvin <hpa@nwu.edu>
486DX2/66 33.5 Jongyoon Lee <mr2@netcom.com>
486DX2/66 33.5 Petrovsky Alexey <gong@cs.msu.su>
486DX2/66 33.55 Gene McCulley <mcculley@greatwall.cctt.com>
486DX2/66 33.55 Eric Malkowski <malk@world.std.com>
486DX2/66 0c 33.55 Chris Petit <mystere@ix.net.com>
486DX2/66 33.55 <al-b@minster.york.ac.uk>
486DX2/66 33.55 Jesper de Jong <jesper@cas.et.tudelft.nl>
486DX2/66 33.55 W Fink <werner.fink@physik.uni-stuttgart.de>
486DX2/66 ICL 33.55 Mathias Koerber <mathias@solomon.technet.sg>
486DX2/66 33.55 Bill Pogue <gwp@dithots.dithots.org>
486DX2/66 256c 33.58 Theo Scott <rkwtgs@pukrs3.puk.ac.za>
486DX2/66 33.7 C Triantafillou <triant@pegasus.montcleair.edy>
486DX2/66 256c Intel 33.81 S Harris <harris@teaching.physics.ox.ac.uk>
486DX2/66 33.9 Magnus Back <erambk@eraj.ericsson.se>
486DX2/66 34.06 Al Clark <aclark@netcom.com>
486DX4/75 37.47 G Asmundarson <grettir@wordperfect.com>
486DX2/80 overcl/66 39.94 Mario L. Guttierez <mgutier@mentor.sdu.edu>
486DX2/80 AMD 39.94 Corey D Brenner <brenner@umr.edu>
486DX2/80 39.94 D t Haar <danny@caution.cistron.nl.mugnet.org>
486DX2/80 overcl 39.94 Peter Suetterlin <ps@kis.uni-freiburg.de>
486DX2/80 AMD 39.94 JL Gomez <kitana!sysop@caprica.com>
486DX2/80 AMD 40 Rene Baart <baart@simplex.nl>
486DX2/80 AMD 40 Wolfgang Kalthoff <wo@rio70.bln.sni.de>
486DX2/80 40.0 Rick Brown <ccastrb@prism.gatech.edu>
486DX2/80 AMD 40.14 Jon Lewis <jlewis@inorganic5.chem.ufl.edu>
486DX2/80 AMD 40.14 Richard S. Stone <rstone@edgp.com>
486DX2/80 40.15 Oleg <oleg@hpcms.co.il>
486DX2/80 AMD 40.18 Adri Verhoef <a3@a3.xs4all.nl>
486DX4/100 256c 49.71 Lutz Pressler <lutz.pressler@med-stat.GWDG.de>
486DX4/100 49.71 Brett Gersekowski <bgrerseko@powerup.com.au>
486DX2/100 AMD-over 40.14 Jon Lewis <jlewis@inorganic5.chem.ufl.edu>
486DX4/100 50.02 Peter Skov Knudsen <gogol@ask.diku.dk>
486DX4/100 50.02 Shadow Weaver <djamison@students.wisc.edu>
486DX4/100 50.05 fredk <fredk@shadow.net>
486DX4/100 50.06 Ronald Prague <ronp@fisnet.net>
486DX4/100 50.08 Steven A. Duchene <sduchene@cis.ysu.edu>
486DX4/100 50.08 Will <zxmvg07@hp12.zdv.uni-tuebingen.de>
486DX4/100 50.08 Piet de Bondt <bondt@dutiws.twi.tudelft.nl>
486DX4/100 laptop 50.08 Karl Kleinpaste <karl_kleinpaste@cs.cmu.edu>
486DX4/100 256c 50.08 Thomas Kanschik <y0000997@ws.rz.tu-bs.de>
486DX4/100 50.08 Linas Vepstas <linas@fc.net>
486DX4/100 50.08 Ed Daiga <daiga@engin.umich.edu>
486DX4/100 notebook 50.08 Gerry Quejada <fd863@cleveland.freenet.edu>
486DX4/100 AMD 50.08 B Schuller <schuller@ind136a.wi.leidenuniv.nl>
486DX4/100 50.08 J.L. Brothers <brothers@halcyon.com>
486DX4/100 50.08 Mark Lumsden <root@titan2.physics.mcmaster.ca>
486DX4/100 50.08 Ashar <ashar@netcom12.netcom.com>
486DX4/100 50.08 Jacob Waltz <waltz@pcjiw.lampf.lanl.gov>
486DX4/100 50.08 Tom Sinclair <sinner@cafe.net>
486DX2/100 AMD 50.08 G. Skinner <gskinner@gwsunix1.crystalball.com>
486DX4/100 50.08 Thomas J Fisher <twb5odt@nmia.com>
486DX4/100 50.08 Pascal Pensa <pensa@aurora.unice.fr>
486DX4/100 50.08 Julian Bradbury <julian@xabcs.demon.co.uk>
486DX4/100 50.51 Frederic Potter <frederic@swing.ibp.fr>
486DX4/100 50.66 Bill Stegers <bill_ste@zeelandnet.nl>
486DX4/120 256c 59.1 Kevin <kalichwa@oakland.edu>
486DX4/120 59.91 Will <zxmvg07@hp12.zdv.uni-tuebingen.de>
486DX4/120 overcl 60.45 Pascal Pensa <pensa@aurora.unice.fr>
486DX4/120 60.45 Neal Howard <neal@metronet.com>
486DX4/120 60.45 Jason Buchanan <jsb@digistar.com>
486DX4/120 60.45 Foersterling <dirk@informatik.uni-frankfurt.de>
G. Oddly or faultly configured Pentium systems
Pentium/66 2.18 Bob Myers <root@shyguy.lonestar.org>
Pentium/90 NexGen 67.44 <root@wgw.mnsinc.com>
Pentium/90 NexGen 67.44 Robert Gehring <rag@cs.tu-berlin.de>
Pentium/100 NexGen 74.34 Cameron L. Spitzer <cls@truffala.sj.ca.us>
Pentium/100 100.19 Valient Gough <vgough@teton.mines.edu>
Pentium/100 Cyrix 100.16 NN <root@anxa04.cc.ic.ac.uk>
Pentium/100 Cyrix 100.47 C.Chan <chan@alfrothul.uchicago.edu>
Pentium/120 Cyrix 119.83 NN <root@anxa04.cc.ic.ac.uk>
Pentium/120 Cyrix 120.68 C.Chan <chan@alfrothul.uchicago.edu>
H. Normal Pentium systems
System BogoMips Reporter
Pentium/60 23 Chien-An Chen <giant@nwu.edu>
Pentium/60 23.96 Joost Helberg <jhelberg@nlsun8.oracle.nl>
Pentium/60 23.96 Ulf Tietz <ulf@rio70.bln.sni.de>
Pentium/60 Gateway 23.96 Manoj Kasichainula <mvkasich@eos.ncsu.edu>
Pentium/60 23.96 Pierre Frenkiel <frenkiel@cdfap1.in2p3.fr>
Pentium/60 NCR 3455 24 Mathias Koerber <mathias@solomon.technet.sg>
Pentium/60 24 Joe Sloan <jjs@engr.ucr.edu>
Pentium/60 24.0 Mark H. Wood <mwood@indyvax.iupui.edu>
Pentium/60 24.13 Roland M. van Rijswijk <rijswijk@cs.utwente.nl>
Pentium/66 25 Chuck Munro <chuckm@canada.hp.com>
Pentium/66 26.63 Jason M. Naughton <jnaughto@ee.ryerson.ca>
Pentium/66 26.84 Kelly Carmichael <kcarmich@cln.etc.bc.ca>
Pentium/75 256c 29.5 Chris Dodd <cdodd@super.win.or.jp>
Pentium/75 29.95 Steve Martin <smartin@mrg.uswest.com>
Pentium/75 30.22 Andrew Buckby <c4ab1@dmu.ac.uk>
Pentium/75 30.22 Stuart Nuttall <u9230106@sys.uea.ac.uk>
Pentium/90 notebook 32.73 Rich Neves <neves@cs.colorado.edu>
Pentium/90 zappa 256c 35.6 Sebastien Dedieu <dedieu@emi.u-bordeaux.fr>
Pentium/90 35.88 Joe Anderson <CPJJA@ttacs3.ttu.edu>
Pentium/90 35.88 Warwick Allison <warwick@cs.uq.oz.au>
Pentium/90 36 Joe Sloan <jjs@engr.ucr.edu>
Pentium/90 36 Larry Auton <lda@nfa.research.att.com>
Pentium/90 36 Richard Knipe <knipe@lobby.ti.com>
Pentium/90 36.0 Werner Almesberger <almesber@lrc.epfl.ch>
Pentium/90 36.06 Rob J. Nauta <rob@iaehv.nl>
Pentium/90 Zeos 36.08 Chris Laurel <claurel@mr.net>
Pentium/90 36.08 Ronald Prague <ronp@fishnet.net>
Pentium/90 36.08 Pak Yin Tam "Fred" <ptam@eesun1.tamu.edu>
Pentium/90 36.08 Jason Heiss <jheiss@cco.caltech.edu>
Pentium/90 36.08 Tim Krantz <tek@dsinc.com>
Pentium/90 Gateway 36.08 Pete Stewart <stewart@bae.bellcore.com>
Pentium/90 36.08 Tom Manos <tmanos@infi.net>
Pentium/90 36.08 Richard Mundell <R.Mundell@uea.ac.uk>
Pentium/90 36.08 NN <usenet@uxmail.ust.hk>
Pentium/90 36.08 Yavuz Batmaz <yavuzb@knidos.cc.metu.edu.tr>
Pentium/90 36.08 Alan Skelley <askelley@gpu.srv.ualberta.ca>
Pentium/90 36.08 Ralph Sims <ralphs@locus.halcyon.com>
Pentium/90 36.08 Julian Bradbury <julian@xabcs.demon.co.uk>
Pentium/90 36.08 Dan Langrill <langrlld@mussel.cig.mot.com>
Pentium/90 36.08 Ravi Krishna Swamy <rkswamy@eos.ncsu.edu>
Pentium/90 36.08 J.L. Brothers <brothers@halcyon.com>
Pentium/90 Micronics 36.09 Andrew Brown <andrewbrown@acm.org>
Pentium/90 36.27 Giao H. Phan <giao@concrete.resnet.upenn.edu>
Pentium/90 Plato 36.4 Joe Valenzuela <smarm@ibm.met>
Pentium/90 36.5 Mike Kelleher <mikejk@umfacad.maine.edu>
Pentium/90 36.73 Jason Crawford <jasonc1@gramercy.ios.com>
Pentium/90 36.9 Ted Gaunt <tgaunt@pms701.pms.ford.com>
Pentium/100 39.93 Tom Miller <tvtom@en.com>
Pentium/100 39.94 KAZ Vorpal <kaz@upx.net>
Pentium/100 overcl 39.94 Donar G.E. Alofs <donar@cs.vu.nl>
Pentium/100 39.94 Larry Snyder <larry@trauma.iag.net>
Pentium/100 39.94 John Crawford <link@spu.edu>
Pentium/100 39.94 Jered <jered@mit.edu>
Pentium/100 overcl 39.94 Ian <irs2@tweedledum.amp.york.ac.uk>
Pentium/100 39.94 M Skjelland <morten.skjelland@pvv.unit.no>
Pentium/100 40.18 David Baldwin <davidb@exis.net>
Pentium/100 40.18 <habibie@catevr.fiu.edu>
Pentium/120 47.93 Umberto d'Ortona <umbertogrenet.fr>
Pentium/120 47.93 Jon Trowbridge <trow@mcs.com>
Pentium/120 47.98 Craig Bates <cbates@psu.edu>
Pentium/120 48.00 Michael Wazenski <mwazenski@dsrnet.com>
Pentium/120 48.27 Peter Walsh <pwalsh@rain.org>
Pentium/133 53.26 Charny Peete Mitchell <cpmiche@eos.ncsu.edu>
Pentium/133 256c 53.26 David Wuertele <dave@gctech.com>
Dual Pentium/90 SMP 71.98 Daniel Luhde-Thompson <dl10010@cam.ac.uk>
Dual Pentium/90 SMP 72.08 Alan Cox <alan@cymru.net>
Pentium Pro 132.88 John D. Sundberg <jdsundberg@mmm.com>
I. Normal Alpha systems
System BogoMips Reporter
Alpha 21064/150 512c 148.37 Linus Torvalds <torvalds@cc.helsinki.fi>
Alpha 21064/150 149.49 J.L. Brothers <brothers@halcyon.com>
Alpha 21066/166 164.59 David Mosberger-Tang <davidm@cs.arizona.edu>
Alpha 21066/166 165 Gareth Bult <gareth@ftech.net>
Alpha 21066/166 256c 165.04 Craig Ruff <cruff@ncar.ucar.edu>
Alpha 21066/200 overcl 196.9 Danny ter Haar <danny@cistron.nl>
Alpha 21066A/233 230.67 T. Bogendoerfer <tsbogend@bigbug.franken.de>
Alpha 21066A/233 230.76 Mikael Nykvist <viper@ludd.luth.se>
Alpha 21064A/275 2048c 272 Linus Torvalds <torvalds@cc.helsinki.fi>
Alpha 21064A/275 272 Stephen Gaudet <sjg@tiac.net>
Alpha 21064A/275 272.63 Jay Estabrook <jestabro@amt.tay1.dec.com>
Alpha 21064A/275 273.37 David Mosberger-Tang <davidm@cs.arizona.edu>
Alpha 21064A/275 274.11 Kevin Jacobs <jacobs@eek.cwru.edu>
Alpha 21064A/300 overcl 298 Jay Estabrook <jestabro@amt.tay1.dec.com>
Alpha 21064A/300 overcl 298 Stephen Gaudet <sjg@tiac.net>
J. Normal Motorola systems
System BogoMips Reporter
68030/16 Atari Falcon 3.95 J.L. Brothers <brothers@halcyon.com>
68030/16 Atari Falcon 3.98 <Roman.Hodek@informatik.uni-erlangen.de>
68030/20 nocache 4.92 Chris Nadigh <chrnadig@iiic.ethz.ch>
68030/25 Amiga 3000 6.21 Hamish Macdonald <hamish@bnr.ca>
68030/25 Amiga 3000 6.21 J.L. Brothers <brothers@halcyon.com>
68030/32 Atari MegaST 7.98 E.J. van den Bussche <busscheh@ksepl.nl>
68030/33 Atari TT 7.98 <Roman.Hodek@informatik.uni-erlangen.de>
68030/48 32c 11.89 Martin Rogge <Martin_Rogge@ki.maus.de>
68030/50 Atari 12 <Roman.Hodek@informatik.uni-erlangen.de>
68030/50 32c 12.42 Michael Plonus <michi@pluto.ping.de>
68040/24 Amiga 4000/40 16.6 Hamish Macdonald <hamish@bnr.ca>
68040/24 Amiga 4000/20 16.60 J.L. Brothers <brothers@halcyon.com>
68040/25 Amiga 4000/040 16.61 <Geert.Uytterhoeven@cs.ku-leuven.ac.be>
68040/25 Amiga 4000 16.61 Lawrence <lawrenc@nextwork.rose-hulmand.edu>
68040/66 Medusa T60 22 <Roman.Hodek@informatik.uni-erlangen.de>
K. Other Systems: Sparc, PowerPC, Mips, Intel 8088
System BogoMips Reporter
Intel 8088/4.77 0.02 Tim Van der Linden <timvdl@innet.be>
Intel 8088/10 0.05 Tim Van der Linden <timvdl@innet.be>
Sparc Sun4c 17.94 J.L. Brothers <brothers@halcyon.com>
PowerPC 601/60 Mac6100 45.24 J.L. Brothers <brothers@halcyon.com>
PowerPC 601/66 Mac 51.62 Fred Klein <klein@des3.u-strasbg.fr>
Mips R4600/134 Tyne 44.97 Ralf Baechle <ralf@waldorf-gmbh.de>
Mips R4000/100 48.30 J.L. Brothers <brothers@halcyon.com>
Mips R4000/100 Magnum 50.03 Andreas Busse <andy@soft-n-hard.de>
Mips R4400/134 Acer Pica 67.10 Andreas Busse <andy@soft-n-hard.de>
L. Non-Linux systems (reference only)
System OS BogoMips Reporter
68020/20 Sun 3 SUNOS 2.0 <korpela@ssl.berkeley.edu>
68020/25 Sun 3-180 SUNOS 4.0 <korpela@ssl.berkeley.edu>
Sparc Sun 3-60 SUNOS 4.00 <tranter@software.mitel.com>
Sparc Sun 3-80 SUNOS 4.00 <tranter@software.mitel.com>
68040/33 HP9000-280 HP-UX 14 <niles@axp745.gsfc.nasa.gov>
Sparc Sun 4-280 SUNOS 16.0 <korpela@ssl.berkeley.edu>
Sparc Sun IPC/40 Solaris 16.00 <gong@cs.msu.su>
68040 NextStep (?) 16.26 <petergun@coffeehaus.com>
Sparc Sun Sparcstation1 SUNOS 18.00 <tranter@software.mitel.com>
Sparc Sun Sparcstation1+ SUNOS 19 <swmike@uplift.df.lth.se>
Sparc Sun Sparcstation1+ SUNOS 24.00 <tranter@software.mitel.com>
Sparc Sun IPC SUNOS 24.00 <tranter@software.mitel.com>
Sparc Sun Sparcstation2 SUNOS 26.00 <gong@cs.msu.su>
SparcClassic/50 Solaris 32.00 <gong@cs.msu.su>
Sparc Sun ELC SUNOS 32.00 <tranter@software.mitel.com>
Sparc Sun SS10 SUNOS 34.00 <tranter@software.mitel.com>
Sparc Sun Sparcstation2 SUNOS 38.0 <korpela@ssl.berkeley.edu>
Mips R4000/100 Indy (?) 48.00 <p.verwer@organon.akzonobel.nl>
Mips R4000/100 SGI IndySC Irix 48.00 <lziegler@csbsju.edu>
Sparc Sun Sparcstation10d SUNOS 54.0 <korpela@ssl.berkeley.edu>
Sparc SS1000 2CPU SUNOS 58.00 <gong@cs.msu.su>
Alpha 21064/133 Decstation OSF1 64 <niles@axp745.gsfc.nasa.gov>
Sparc Sun SS5 SUNOS 68.00 <tranter@software.mitel.com>
Sparc Sun SS20 SUNOS 72.00 <tranter@software.mitel.com>
Mips R4400/150 Challenge (?) 74.00 <p.verwer@organon.akzonobel.nl>
Mips R4400/150 Indigo2Extr (?) 74.00 <p.verwer@organon.akzonobel.nl>
Alpha OSF1 92.00 <petergun@coffeehaus.com>
Mips R4400/200 Indigo2Extr (?) 98.00 <p.verwer@organon.akzonobel.nl>
HP-PA 9000-735/99 HP-UX 98.00 <lankhors@cs.rug.nl>
Sparc Sun SS5 SUNOS 110 <swmike@uplift.df.lth.se>
Alpha 21064A/233 OSF1 114 <niles@axp745.gsfc.nasa.gov>
HP-PA 700/125 HP-UX 122 <niles@axp745.gsfc.nasa.gov>
HP-PA 9000-735/125 HP-UX 122.00 <lankhors@cs.rug.nl>
Mips R4600/133 SGI Indy Irix 132 <lziegler@csbsju.edu>
Alpha OSF1 180.0 <mauger@ensinfo.univ-nantes.fr>
Cray J90 Y-MP/100 16CPU Unicos 912.00 <lankhors@cs.rug.nl>
Isolde is rapidly growing to be a full toddler: "drawing," riding
tricycles and dancing are her greatest hobbies. Walking about in
her winter coat and a shawl she looks like a Michelin man, but
she enjoys the cold and the ice, apart from the running nose.
Look in Linux Journal for a cute picture of her.
Met vriendelijke groeten, Wim van Dorst.
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Blue Baron = Wim van Dorst, Voice (+31) 33 4676365, (+31) 35 5242319
(-: baron@clifton.hobby.nl WvD@Chem.AkzoNobel.nl :-)
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