Re: Interesting ubench scores for FreeBSD 4.11, 5.4, 6.0beta3 and DFly-Preview

[Danial Thom <danial_thom@xxxxxxxxx>]

--- Toma¾ Bor¹tnar <tomaz.borstnar@xxxxxxxx>
wrote:

> I took some time to play with a machine and
> test ubench scores on it for few OS. Machine is
> AMD64/939 3000+ with 2GB RAM 
> (dual-channel).
> 
> I took ubench, because it does not deal with
> systems other than CPU and memory which usually
> says something about 
> efficiency of OS. I tried to optimize things by
> alwyas using flag "-O" and removing all debug
> stuff from kernels. Since 
> this was all done on the same machine I think
> we can kinda compare those results. I used
> FreeBSD 4.11, FreeBSD 5.4/i386, 
>   FreeBSD 6beta3/i386 and FreeBSD 6beta3/amd64
> in this test.
> 
> Summary
> Latest DFly-preview has best Ubench AVG of
> 106030, because of 2nd best memory score
> (124353) and balanced CPU score 
> (87707). Also good was FreeBSD 6beta3/amd64
> with Ubench AVG of   101448, because of
> balanced CPU (102455) and memory 
> score (100441). Seems like extra registers in
> long mode help quite a bit. Third was FreeBSD
> 5.4/i386 with Ubench AVG of 
>     94304 - mostly because of best memory score
> (130602) and not so good CPU score (58006).
> Hardly behind was FreeBSD 4.11
> with Ubench AVG of 94296 - decent, but slower
> CPU score (84431) and very nice memory score
> (104161). FreeBSD 6beta3/i386
> was severly behind all of them with Ubench AVG
> of 55968 - with cpu of 59138 and memory of
> 52799.
> 
> I wish DFly had better CPU score :) But it
> still has best score among 32bit OS systems!
> 
> As usual, YMMV :)
> 
> Toma¾
> 
> 
> 
>
---------------------------------------------------------------------
>  > ubench
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> FreeBSD 6.0-BETA3 FreeBSD 6.0-BETA3 #0: Thu Sep
>  1 21:01:43 CEST 2005    
> root@garac64-fbsd6:/usr/obj/usr/src/sys/FAST
> amd64
> Ubench CPU:   102455
> Ubench MEM:   100441
> --------------------
> Ubench AVG:   101448
>  >
> 
> 
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> DragonFly Preview-Preview DragonFly
> Preview-Preview #0: F i386
> Ubench CPU:    87707
> Ubench MEM:   124353
> --------------------
> Ubench AVG:   106030
> 
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> FreeBSD 4.11-RELEASE FreeBSD 4.11-RELEASE #0:
> Fri Se i386
> Ubench CPU:    84431
> Ubench MEM:   104161
> --------------------
> Ubench AVG:    94296
> 
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> FreeBSD 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Fri
> Sep  2 21:59:25 CEST 2005 
> root@garac64-fbsd5:/usr/obj/usr/src/sys/GENERIC
> i386
> Ubench CPU:    58006
> Ubench MEM:   130602
> --------------------
> Ubench AVG:    94304
> garac64-fbsd5# ubench
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> FreeBSD 5.4-RELEASE FreeBSD 5.4-RELEASE #0: Fri
> Sep  2 21:59:25 CEST 2005 
> root@garac64-fbsd5:/usr/obj/usr/src/sys/GENERIC
> i386
> Ubench CPU:    58095
> Ubench MEM:   131309
> --------------------
> Ubench AVG:    94702
> 
> 192# ubench
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> FreeBSD 6.0-BETA3 FreeBSD 6.0-BETA3 #0: Fri Sep
>  2 23:26:47 CEST 2005 
>
root@xxxxxxxxxxxxxxx:/usr/obj/usr/src/sys/GENERIC
> i386
> Ubench CPU:    59138
> Ubench MEM:    52799
> --------------------
> Ubench AVG:    55968
> 192# ubench
> Unix Benchmark Utility v.0.3
> Copyright (C) July, 1999 PhysTech, Inc.
> Author: Sergei Viznyuk <sv@xxxxxxxxxxxx>
> http://www.phystech.com/download/ubench.html
> FreeBSD 6.0-BETA3 FreeBSD 6.0-BETA3 #0: Fri Sep
>  2 23:26:47 CEST 2005 
>
root@xxxxxxxxxxxxxxx:/usr/obj/usr/src/sys/GENERIC
> i386
> Ubench CPU:    59067
> Ubench MEM:    52659
> --------------------
> Ubench AVG:    55863
> 

Interesting. Thats just about the opposite of
what I've seen with empirical networking tests.
Another example of the uselessness of benchmarks,
since there is virtually no application that only
uses what's tested with ubench.

Danial


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