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- <li><em>date</em>: Mon Aug 16 09:20:31 2004</li>
- <li><em>from</em>: jkinney at localnetsolutions.com (James P. Kinney III)</li>
- <li><em>in-reply-to</em>: <<a href="msg00361.html">[email protected]</a>></li>
- <li><em>references</em>: <<a href="msg00341.html">[email protected]</a>> <<a href="msg00350.html">[email protected]</a>> <<a href="msg00359.html">[email protected]</a>> <<a href="msg00360.html">[email protected]</a>> <<a href="msg00361.html">[email protected]</a>></li>
- <li><em>subject</em>: [ale] Hyperthreading</li>
Yep. I've decided I need _two_ of every machine so I can have a test
version and a production version.
That decision has not been approved by "She who must be obeyed". :(
>
> On 15 Aug 2004 23:17:30 -0400
> "James P. Kinney III" <jkinney at localnetsolutions.com> wrote:
>
> > On Sun, 2004-08-15 at 22:51, James Sumners wrote:
> > > That is very odd. I have a box with dual 2.0Ghz HT processors and it can
> > > compile MySQL in four minutes and some change.
> >
> > You have two physical processors. Some things do work OK with HT. Some
> > aspects of program compiling should while others should thrash the
> > cache. Test this by turning off the HT in the bios and recompile from a
> > fresh MySQL tarball and time it. Then reboot an turn the HT back on and
> > do it again and publish your results.
> >
> > Even better would be to add a third step of disabling one processor and
> > running just HT and get that timing data.
> >
> > And while you're at it, turn of HT and do it all a fourth time just for
> > a baseline.
> >
> > None of my dual CPU machines are even _close_ in capabilities so I can't
> > test anything like this with my rigs. (How does one compare a dual
> > Opteron 1.4 GHZ with a dual PIII 550 and a PIV 2.2GHz w/HT?)
--
James P. Kinney III \Changing the mobile computing world/
CEO & Director of Engineering \ one Linux user /
Local Net Solutions,LLC \ at a time. /
770-493-8244 \.___________________________./
<a rel="nofollow" href="http://www.localnetsolutions.com">http://www.localnetsolutions.com</a>
GPG ID: 829C6CA7 James P. Kinney III (M.S. Physics)
<jkinney at localnetsolutions.com>
Fingerprint = 3C9E 6366 54FC A3FE BA4D 0659 6190 ADC3 829C 6CA7
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<li><strong><a name="00373" href="msg00373.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> freemyer-ml at NorcrossGroup.com (Greg Freemyer)</li></ul></li>
<li><strong><a name="00383" href="msg00383.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> esoteric at 3times25.net (Geoffrey)</li></ul></li>
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<li><strong><a name="00341" href="msg00341.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> cfowler at outpostsentinel.com (Christopher Fowler)</li></ul></li>
<li><strong><a name="00350" href="msg00350.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> jkinney at localnetsolutions.com (James P. Kinney III)</li></ul></li>
<li><strong><a name="00359" href="msg00359.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> james at sumners.ath.cx (James Sumners)</li></ul></li>
<li><strong><a name="00360" href="msg00360.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> jkinney at localnetsolutions.com (James P. Kinney III)</li></ul></li>
<li><strong><a name="00361" href="msg00361.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> james at sumners.ath.cx (James Sumners)</li></ul></li>
</ul></li></ul>
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