Date: Wed, 18 Mar 1998 11:57:28 +0100 (MET) From: Søren Schmidt <sos@FreeBSD.ORG> To: mrcpu@cdsnet.net (Jaye Mathisen) Cc: current@FreeBSD.ORG Subject: Re: Stream_d benchmark... Wow, there really are differences in hardware Message-ID: <199803181057.LAA01642@sos.freebsd.dk> In-Reply-To: <Pine.NEB.3.95.980318013724.2842E-100000@schizo.cdsnet.net> from Jaye Mathisen at "Mar 18, 98 01:41:26 am"
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In reply to Jaye Mathisen who wrote:
Hmm, Then I should be proud of my noname system (p6/200/128MB 72pEDO):
Function Rate (MB/s) RMS time Min time Max time
Copy: 117.0286 0.2758 0.2734 0.2812
Scale: 117.0286 0.2782 0.2734 0.2812
Add: 130.7234 0.3784 0.3672 0.4141
Triad: 125.3878 0.3917 0.3828 0.4219
So what ??
>
>
> I figured that within reason, most mb's would have similar performance,
> but I was wrong.
>
> All boxes are P6-200's, 256MB RAM (all RAM is 60ns FP as far as I know).
>
> Box 1 is a SuperMicro P6DNE:
> Function Rate (MB/s) RMS time Min time Max time
> Copy: 60.7395 0.2704 0.2634 0.2832
> Scale: 60.8640 0.2719 0.2629 0.3097
> Add: 70.9688 0.3508 0.3382 0.3602
> Triad: 71.1647 0.3494 0.3372 0.3565
>
>
> Box 2 is a Digital Prioris HX6000
> Function Rate (MB/s) RMS time Min time Max time
> Copy: 73.3551 0.2197 0.2181 0.2249
> Scale: 74.6067 0.2164 0.2145 0.2182
> Add: 81.0584 0.2974 0.2961 0.3002
> Triad: 77.4268 0.3108 0.3100 0.3122
>
> Box 3 is a Digital Prioris ZX6000
> Function Rate (MB/s) RMS time Min time Max time
> Copy: 84.8807 0.2018 0.1885 0.2834
> Scale: 97.5461 0.1661 0.1640 0.1720
> Add: 111.6549 0.2179 0.2149 0.2247
> Triad: 100.9468 0.2659 0.2377 0.4237
>
>
> Box 3 uses 256bit interleaved memory, rather than whatever the
> "standard" is.
>
>
> I thought it was just a marketing gimmick, but it seems to really
> make a difference.
>
>
>
> Have to see if it helps on some worldstone's.
>
>
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>
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Søren Schmidt (sos@FreeBSD.org) FreeBSD Core Team
Even more code to hack -- will it ever end
..
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