ITR/AP (GEO) A Finite Element Geodynamo Model Optimized for High-Speed Beowulf PC-Clusters

这个项目研究的是地球磁场的产生这一极具挑战性的问题。私募股权投资公司将采用双重策略，即计算机硬件和软件都经过专门设计，能够以最高效率共同发挥作用。特别是，硬件将由144个处理器的Beowulf PC集群组成，估计可产生100Gflop的峰值持续性能-与高性能的国家超级计算机中心机器竞争，但成本只有一小部分。为了充分利用这样的集群，所考虑的软件必须能够轻松高效地并行化。P.I.将从已经完全并行化的有限元地幔对流代码中派生出软件，并且已经在这样的Beowulf集群上以高并行效率运行。从地幔到核心对流的大部分转换已经完成，并行效率没有损失。

0113050BungeThis project deals with the very challenging problem of the generation of the Earth's magnetic field. The P.I.s will adopt a dual strategy in which the computer hardware and software are each specifically designed to function together at peak efficiency. In particular, the hardware will consist of a 144 processor Beowulf PC-cluster, yielding an estimated peak sustained performance of 100 Gflops - competitive with high-performance National Supercomputer Center machines, but at a fraction of the cost. To take full advantage of such a cluster, the software under consideration must be easily and efficiently parallelizable. The P.I. will derive the software from a finite element mantle convection code that is already fully parallelized, and already runs at high parallel efficiency on precisely such Beowulf clusters. Much of the conversion from mantle to core convection has already been done, with no loss in parallel efficiency.***