<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Saji,<div><br></div><div>you could have a look at the benchmark results for WRF:</div><div><a href="http://www.mmm.ucar.edu/wrf/WG2/bench/Bench_V3_20081028.htm">http://www.mmm.ucar.edu/wrf/WG2/bench/Bench_V3_20081028.htm</a></div><div><br></div><div>Or a WRF benchmark especially for SGI (since I use this kind of machine):</div><div><a href="http://www.sgi.com/products/servers/ice/8400/benchmarks/wrf.html">http://www.sgi.com/products/servers/ice/8400/benchmarks/wrf.html</a></div><div><br></div><div>Basically you have to look at the compiler settings and, as Guillermo mentioned, think about the architecture of your machine. There is no straight answer for this.</div><div><br></div><div>Regards,</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>Jan</div><div><br></div><div><br><div><div>Am 22.03.2012 um 01:47 schrieb Saji Hameed:</div><br class="Apple-interchange-newline"><div>Setting aside the efficiency factor introduced by compilers, you would<br>have to consider the impact of interconnecting<br>devices. In my case, I use relatively slow processors (1.7 GHz)<br>interconnected by fast network (InfiniBand). Each node in<br>my system is a 4 socket AMD supermicro server with each socket having<br>a12core AMD Magnycours@1.7GHz. Each node<br>is interconnected through InfiniBand. I have four such nodes and they<br>seem to giving quite good scaleup. I do not have<br>the numbers right now, but I could post it later if there is interest.<br><br>saji<br><br>On Tue, Mar 20, 2012 at 9:59 PM, Guillermo Fernández<br><<a href="mailto:guillermo.fernandez@meteogalicia.es">guillermo.fernandez@meteogalicia.es</a>> wrote:<br><blockquote type="cite">Hello all,<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">I'm looking for information about WRF efficiency on different<br></blockquote><blockquote type="cite">architectures (AMD, Intel, p-series,...). Any information is welcome.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Regards<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Guillermo<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">--<br></blockquote><blockquote type="cite">MeteoGalicia<br></blockquote><blockquote type="cite"> Guillermo Fernández García<br></blockquote><blockquote type="cite"> Dpto. Predición Numérica e Investigación Rúa Roma, 6<br></blockquote><blockquote type="cite"> 15.707 Santiago de Compostela<br></blockquote><blockquote type="cite"> Tel: +34 981 957 462<br></blockquote><blockquote type="cite"> Fax: +34 981 957 466<br></blockquote><blockquote type="cite"> <a href="mailto:guillermo.fernandez@meteogalicia.es">guillermo.fernandez@meteogalicia.es</a><br></blockquote><blockquote type="cite"> <a href="http://www.meteogalicia.es">www.meteogalicia.es</a><br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">Wrf-users mailing list<br></blockquote><blockquote type="cite"><a href="mailto:Wrf-users@ucar.edu">Wrf-users@ucar.edu</a><br></blockquote><blockquote type="cite"><a href="http://mailman.ucar.edu/mailman/listinfo/wrf-users">http://mailman.ucar.edu/mailman/listinfo/wrf-users</a><br></blockquote><br><br><br>-- <br><br>Saji N Hameed,<br>ARC-ENV, Center for Advanced Information Science and Technology,<br>University of Aizu, Tsuruga, Ikki-machi,<br>Aizuwakamatsu-shi, Fukushima 965-8580,<br>Japan<br><br>Tel: +81242 37-2736<br>Fax:+81242 37-2760<br> email: <a href="mailto:saji@u-aizu.ac.jp">saji@u-aizu.ac.jp</a><br> url: <a href="http://www.u-aizu.ac.jp">http://www.u-aizu.ac.jp</a><br> bib: <a href="http://www.researcherid.com/rid/B-9188-2009">http://www.researcherid.com/rid/B-9188-2009</a><br>_______________________________________________<br>Wrf-users mailing list<br><a href="mailto:Wrf-users@ucar.edu">Wrf-users@ucar.edu</a><br>http://mailman.ucar.edu/mailman/listinfo/wrf-users<br></div></div><br><div apple-content-edited="true"><br>-----------------------------------------------------------<br>Jan Harlaß<br>FB1, FE Maritime Meteorologie, PhD-Student<br>Helmholtz-Zentrum für Ozeanforschung Kiel (GEOMAR)<br>Düsternbrooker Weg 20<br>Alte Botanik Raum 61<br>24105 Kiel, Germany<br>------------------------------------------------------------<br>Tel. +49-431-600-4034<br>Fax +49-431-600-4052<br><a href="mailto:jharlass@geomar.de">jharlass@geomar.de</a><br>www.geomar.de/~jharlass<br>-------------------------------------------------------------<br></div><br></div></body></html>