205693269
Parallel Computing Comes of Age: Supercomputer Level Parallel Computations at Caltech
Parallel supercomputers are now in regular use at Caltech for several major scientific calculations. We use this experience to abstract a set of lessons for applications, decomposition, performance, hardware and software. We consider hypercubes, transputer arrays and the SIMD Connection Machine CM-2 and AMT DAP. These are contrasted, where possible, with CRAY and other high performance conventional computers. Applications covered are lattice gauge theory, plasma physics, statistical and condensed matter physics, astronomical data analysis, quantum chemistry, graphics ray tracing, string dynamics, grain dynamics, astrophysical particle dynamics, computer chess and Kalman filters.
37676444
A low-latency programming interface and a prototype switch for scalable high-performance distributed computing
This paper discusses the architecture and performance of a prototype switch for interconnecting IBM RISC System/6000 workstations. The paper describes the interconnection architecture and performance on a cluster of four IBM RISC System 6000 model 340 workstations. It also describes the driver level software interface to the switch and the features incorporated to minimize communication overhead. The performance measurements cover communication latency and bandwidth. In addition, performance measurements of Express, a popular parallel-programming interface, are provided.<<ETX>>
205219153
16S rRNA oligonucleotide catalog data base
We have developed a package of programs to create, maintain and manipulate a data base of 16S rRNA oligonucleotide catalog data. For the first time all the published catalog data is brought together in one place in a readily usable form. The package allows generation of dendrograms, facilitates searches for related oligonucleotides between catalogs, and allows construction of global and local dictionaries. Interactive capabilities allow for searches of the dictionary as well as an associated file of likely oligonucleotide families.
5973548
Community Grids
We describe Community Grids built around Integration of technologies from the peer-to-peer and Grid fields. We focus on the implications of Web Service ideas built around powerful event services using uniform XML interfaces. We go through collaborative systems in detail showing how one can build an environment that can use either P2P approaches like JXTA or more conventional client-server models.