Download High Performance Computing in Science and Engineering ’06: by Bernd Brügmann, Jose Gonzalez, Mark Hannam, Sascha Husa, PDF

By Bernd Brügmann, Jose Gonzalez, Mark Hannam, Sascha Husa, Pedro Marronetti (auth.), Wolfgang E. Nagel, Willi Jäger, Michael Resch (eds.)

The final years were nice for prime functionality computing in Baden- W¨ urttemberg and past. In July 2005, the recent development for HLRS in addition to Stuttgart’s new NEC supercomputer – that is nonetheless innovative in G- many – were inaugurated. at present, the SSC Karlsruhe is ?nalizing the set up of a truly huge excessive functionality approach advanced from HP, equipped from hundreds of thousands of Intel Itanium processors and greater than 3 th- sand AMD Opteron cores. also, the quick community connection – with a bandwidth of 40Gbit/s and hence one of many ?rst installations of this type in Germany – brings the computing device rooms of HLRS and SSC Karlsruhe very shut jointly. With the funding of greater than 60 Million Euro, we – because the clients of the sort of worthwhile infrastructure – aren't in basic terms grateful to technological know-how managers and politicians, but additionally to the folk operating those elements as a part of their day-by-day company, on a 24-7 point. Sinceabout18months,therearelotsofactivitiesonallscienti?c,advisory, and political degrees to come to a decision if Germany will set up a fair better eu supercomputer, the place the bills by myself should be round 2 hundred Million Euro for a ?ve yr interval. there are various stable purposes to speculate in this kind of software simply because – past the infrastructure – one of these scienti?c study software will allure the simplest brains to take on the issues on the topic of the software program and technique challenges.

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Extra resources for High Performance Computing in Science and Engineering ’06: Transactions of the High Performance Computing Center Stuttgart (HLRS) 2006

Example text

While powerful radio sources were quite common at high redshift, local galaxies with huge 36 V. Gaibler et al. supermassive black holes generally only show weak radio emission, Cygnus A being an exception to this. But not only jet activity was a powerful source of energy in the early universe. At that time, formation of galaxies was still under way and the birth and death of lots of massive stars probably lead to the formation of galactic winds. High supernova rates powered the formation of global outflows, creating shocks and sweeping up matter into a dense shell [2].

G. progenitor models, EoS, and rotation). Preliminary results reveal interesting differences that depend on these variations and may be bearing on the supernova exlposion mechanism. This calls for systematic parameter studies which continue to much later post-bounce times, which in turn requires the use of a code with Teraflop capability. Such a code is developed right now by the Garching supernova group for the SX-8 of the HLRS and promises interesting results in the future. Acknowledgements Support from the SFB 375 “Astroparticle Physics”, SFB/Tr7 “Gravitationswellenastronomie” of the Deutsche Forschungsgemeinschaft, and computer time at the HLRS and the Rechenzentrum Garching are acknowledged.

Reviews of Modern Physics 62 (1990) 801–866 6. : A Theory of Supernova Explosions. Astrophys. J. 416 (1993) L75 7. : Conditions for shock revival by neutrino heating in core-collapse supernovae. Astron. Astrophys. 368 (2001) 527–560 8. : Postcollapse hydrodynamics of SN 1987A – Two-dimensional simulations of the early evolution. Astrophys. J. 395 (1992) 642–653 9. : Inside the supernova: A powerful convective engine. Astrophys. J. 435 (1994) 339 10. : On the nature of core-collapse supernova explosions.

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