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- <li><em>date</em>: Wed Apr 14 14:52:01 2004</li>
- <li><em>from</em>: jeffrey.b.layton at lmco.com (Jeff Layton)</li>
- <li><em>in-reply-to</em>: <<a href="msg00502.html">[email protected]</a>></li>
- <li><em>references</em>: <<a href="msg00477.html">[email protected]</a>> <1081951413.7988.4.camel@ibb-250> <[email protected]> <<a href="msg00484.html">[email protected]</a>> <<a href="msg00495.html">[email protected]</a>> <1081966548.8739.5.camel@ibb-250> <<a href="msg00498.html">[email protected]</a>> <<a href="msg00502.html">[email protected]</a>></li>
- <li><em>subject</em>: [ale] Hyperthreading</li>
>Jeff:
>Are you using 2.4 kernels to test this with or 2.6 stuff?
>
>On Wed, Apr 14, 2004 at 01:21:33PM -0400, Jeff Layton wrote:
>
>
>>It generally hurts our CFD codes. It also hurts all but one of the
>>NPB codes (which are CFD). We turn it off for now.
>>
>>Maybe in the future when a real multi-core chip comes out
>>we can revisit it. Multi-core chips also give rise to the possibility
>>of doing multi-level parallelism usch as MPI+OpenMP.
>>
>>Jeff
>>
>>--
>>Dr. Jeff Layton
>>Aerodynamics and CFD
>>Lockheed-Martin Aeronautical Company - Marietta
>>
>>
>>
>
>
>
--
Dr. Jeff Layton
Aerodynamics and CFD
Lockheed-Martin Aeronautical Company - Marietta
</pre>
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<ul><li><strong>References</strong>:
<ul>
<li><strong><a name="00477" href="msg00477.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> mmillson at meritonlinesystems.com (Mike Millson)</li></ul></li>
<li><strong><a name="00478" href="msg00478.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> jonathan.glass at ibb.gatech.edu (Jonathan Glass)</li></ul></li>
<li><strong><a name="00480" href="msg00480.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> cfowler at outpostsentinel.com (Christopher Fowler)</li></ul></li>
<li><strong><a name="00484" href="msg00484.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> dhurst at kennesaw.edu (Dow Hurst)</li></ul></li>
<li><strong><a name="00495" href="msg00495.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> linux-clusters at mindspring.com (Steven A. DuChene)</li></ul></li>
<li><strong><a name="00496" href="msg00496.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> jonathan.glass at ibb.gatech.edu (Jonathan Glass)</li></ul></li>
<li><strong><a name="00498" href="msg00498.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> jeffrey.b.layton at lmco.com (Jeff Layton)</li></ul></li>
<li><strong><a name="00502" href="msg00502.html">[ale] Hyperthreading</a></strong>
<ul><li><em>From:</em> linux-clusters at mindspring.com (Steven A. DuChene)</li></ul></li>
</ul></li></ul>
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