Computer Science – Distributed – Parallel – and Cluster Computing
Scientific paper
2007-07-11
Computer Science
Distributed, Parallel, and Cluster Computing
16 pages, 4 figures. To appear in Petascale Computing: Algorithms and Applications, Ed. D. Bader, CRC Press LLC (2007)
Scientific paper
Gamma Ray Bursts (GRBs) are intense narrowly-beamed flashes of gamma-rays of cosmological origin. They are among the most scientifically interesting astrophysical systems, and the riddle concerning their central engines and emission mechanisms is one of the most complex and challenging problems of astrophysics today. In this article we outline our petascale approach to the GRB problem and discuss the computational toolkits and numerical codes that are currently in use and that will be scaled up to run on emerging petaflop scale computing platforms in the near future. Petascale computing will require additional ingredients over conventional parallelism. We consider some of the challenges which will be caused by future petascale architectures, and discuss our plans for the future development of the Cactus framework and its applications to meet these challenges in order to profit from these new architectures.
Allen Gabrielle
Diener Peter
Goodale Tom
Ott Christian David
Radke Thomas
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