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A novel representation of Top500 data is proposed in which the systems are plotted in rank and number-of-processors coordinates. This rendering brings to light various trends, such as complete Japanese domination of the range of high rank achieved with a small number of processors. In addition,...
Nanophase technology achieves superior material properties by assembling nanometer-size clusters. Structures on multiple-length scales and a hierarchy of time scales are essential for the design and control of nanophase materials. However, coexistence of a wide range of length and time scales...
This paper presents recent developments of high performance computing and networking techniques in the field of computer-aided multibody analysis and design. The authors describe the main achievements obtained in the development of a tool to aid in the design of new industrial mechanical systems...
Computing one-dimensional fast Fourier transforms (FFTs) on microprocessors requires different algorithms, depending on whether the problem fits in the data cache. This paper describes efficient algorithms for both cases. Some implementations of out-of-cache one-dimensional FFTs use a six-step...
In this work, the impact of physical/logical network topology on parallel matrix computation is studied on an Intel Touchstone DELTA mesh and three generations of hyper-cube multiprocessors. These machines are representative of the continued development of distributed-memory message-passing...
The authors describe and test spai_1.1, a parallel MPI implementation of the sparse approximate inverse (SPAI) preconditioner. They show that SPAI can be very effective for solving a set of very large and difficult problems on a Cray T3E. The results clearly show the value of SPAI (and...
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