Download Advances in High Performance Computing by Ashutosh Tiwary, Janusz Kowalik, Bob Abarbanel, John Lixvar, PDF

By Ashutosh Tiwary, Janusz Kowalik, Bob Abarbanel, John Lixvar, Vish Jumani (auth.), Lucio Grandinetti, Janusz Kowalik, Marian Vajtersic (eds.)

Most of the papers during this quantity have been awarded on the NATO complicated examine Workshop excessive functionality Computing: know-how and alertness, held in Cetraro, Italy from 24 to 26 of June, 1996. the most objective of the Workshop was once to debate a few key clinical and technological advancements in excessive functionality computing, determine major traits and defme fascinating learn ambitions. the quantity constitution corresponds, normally, to the description of the workshop technical schedule: basic techniques and rising platforms, software program expertise, algorithms and purposes. one of many Workshop suggestions was once an attempt to increase a little bit the scope of the assembly from scientific/engineering computing to enterprise-wide computing. The papers on functionality and scalability of database servers, and Oracle DBMS replicate this test we are hoping that once examining this number of papers the readers may have a good suggestion approximately a few vital examine and technological matters in excessive functionality computing. we want to provide our because of the NATO clinical and Environmental Affairs department for being the vital sponsor for the Workshop. additionally we're happy to recognize different associations and firms that supported the Workshop: ecu Union: eu fee DGIII-Industry, CNR: nationwide examine Council of Italy, collage of Calabria, Alenia Spazio, Centro Italiano Ricerche Aerospaziali, ENEA: Italian nationwide organization for brand new know-how, power and the surroundings, Fujitsu, Hewlett Packard-Convex, Hitachi, NEC, Oracle, and Silicon Graphics-Cray learn. Editors January 1997 vii record OF participants Ecole Nonnale Su¢rieure de Lyon, 69364 Abarbanel. Robert M.

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San Francisco. 1995. [12]Orac1e Corporation. White paper on Very Large Memory Database Systems. [13]R. Gillett and R. Kaufmann. Experience Using the First-Generation Memory Channel for PCI Network. Supercomputing 1996. [I4]Li. IVY: A Shared VIrtual Memory System for Parallel Computing. Proceedings of 1988 Conference on Parallel Processing. pp 94-101. August 1988. J. Scales, K. Gharachorloo and C. A. Thekkath. Sb8sta: A Low Overhead, Software-Only Approach for Supporting Fine-Grained Shared Memory.

Gray. Parallel Database Systems: The Future of High Performance Database Systems. Communications of the ACM, 35(6), pp 85-98, June 1992. [25]A. Bhide. An Analysis of Three Transaction Processing Architectures. Proceedings of the 14th VLDB Conference, pp 339-350, Los Angeles, California 1988. [26]B. Bergsten, M. Couprie and P. Valduriez. Overview of Parallel Architectures for Databases. The Computer Journal, 36(8), 1993. [27]P. Corrigan and M. Gurry. ORACLE Performance Tuning. , California, 1993.

This is done by adding directories to memory so that the memory knows which processors hold a copy of a particular memory block and can send point-to-point messages to keep caches coherent. The overall effect of replacing the bus with a switch is that the bus bottleneck is removed and the system is much more scalable. We have also increased modularity, in the sense that the switch structure can be grown as the numbers of processors are grown in order to provide more interconnect performance. But we have still not achieved the ideal structure because the switch still adds latency and uses shared bandwidth for memory locations that are accessed only by a single processor.

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