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Titel new features of earthquake CMT determination on the EGEE grid
VerfasserIn David Weissenbach
Konferenz EGU General Assembly 2010
Medientyp Artikel
Sprache Englisch
Digitales Dokument PDF
Erschienen In: GRA - Volume 12 (2010)
Datensatznummer 250041905
 
Zusammenfassung
At the EGU 2008 general assembly, we presented the "gridification" on EGEE of an embarrassingly parallel CMT determination application. This allowed the code to be routinely completed in a short timeframe at the occurence of major earthquakes despite heavy CPU needs. Since then, a grid-enabled database has been added in order to effectively register (or to pre-compute) reusable intermediary results (namely synthetic seismograms) that account for about 80% of the CPU consumption. This now gives the application the possibility to be completed in a few minutes rather than a few hours provided the synthetic seismograms are already available. In the end, the application that used to be penalized by it's heavy CPU needs is relocated in the core of a data driven workflow.