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On Wed, 22 Sep 2010 18:12:30 +1000, Peter Jeremy wrote:
> On 2010-Sep-21 20:02:09 -0700, Bryce <bryce@bryce.net> wrote:
> >On Sep 20, 6:17乸m, peterjer...@acm.org (Peter Jeremy) wrote:
> >> On 2010-Sep-18 08:32:32 -0500, Bryce Edwards <br...@bryce.net> wrote:
> >>
> >> >I have a Supermicro with the C7X58 motherboard and an i7 930 cpu, and
> >> >it is nowhere near the performance it should be. 孭 buildworld just
> >> >took 22.5 hours!
>
> >> - md5 -t ꀠ[this will help determine if the problem is lack of CPU]
> >
> >MD5 time trial. Digesting 100000 10000-byte blocks ... done
> >Digest = 766a2bb5d24bddae466c572bcabca3ee
> >Time = 5.421381 seconds
> >Speed = 184454848.000000 bytes/second
>
> I think something is badly wrong here. That's less than 1/2 the speed
> of my Athlon 4850e (2.5GHz) and only 60% more than my Atom N270. None
> of the other figures you posted look anomolous. Are you sure the CPU
> is actually running at full speed and you haven't done something like
> disable the caches in BIOS?
It seems far more than just CPU performance is awry. Adam's data from
his i7 shows 2.7 times Bryce's speed for the md5 -t, maybe a lower EST
rate? - but that could no way account for buildworld taking 22.5 hours.
Recent buildworld (albeit i386) on my Thinkpad T23 ran just shy of 3.5
hours, without -j on an 1133MHz P3-M, 768MB of 133MHz RAM, 5400rpm UFS
disk - with X/KDE running meanwhile (~5-7% CPU penalty).
cheers, Ian
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