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 offered on the NATO complicated examine Workshop excessive functionality Computing: expertise and alertness, held in Cetraro, Italy from 24 to 26 of June, 1996. the most function of the Workshop used to be to debate a few key clinical and technological advancements in excessive functionality computing, establish major tendencies and defme fascinating study targets. the quantity constitution corresponds, often, to the description of the workshop technical schedule: normal recommendations and rising platforms, software program expertise, algorithms and purposes. one of many Workshop techniques was once an attempt to increase a little 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 mirror this try we are hoping that once studying this choice of papers the readers may have a good suggestion approximately a few vital study and technological matters in excessive functionality computing. we want to provide our because of the NATO medical and Environmental Affairs department for being the significant sponsor for the Workshop. additionally we're happy to recognize different associations and firms that supported the Workshop: eu 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 spanking new know-how, strength and the surroundings, Fujitsu, Hewlett Packard-Convex, Hitachi, NEC, Oracle, and Silicon Graphics-Cray examine. Editors January 1997 vii record OF individuals Ecole Nonnale Su¢rieure de Lyon, 69364 Abarbanel. Robert M.

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Scales, K. Gharachorloo and C. A. Thekkath. Sb8sta: A Low Overhead, Software-Only Approach for Supporting Fine-Grained Shared Memory. Proceedings of the Symposium on Architectural Support for Programming Languages and Operating Systems. 1996. [16]Y. Sunderam. PVM: A framework for parallel distributed computing. Concurrency: Practice and Experience, 2(4), pp: 315-339, December 1990. [17]S. Ahuja, N. Carriero, and D. Gelernter. Uncia and Friends. IEEE Computer, 19(8), pp 26-34, August 1986. [18]D.

With respect to the chip technology, we find that the number of systems based on ECL chip technology is steadily decreasing from 332 in mid 1993 to 79 by the end of 1996. During the same time, the number of systems using proprietary processors with custom chips decreased from 59 to 35 in 1995 and raised again to 60 in November 1996. This increase is due to the vector processors built with CMOS technology, such as the SGIjCray J90, NEC SX-4 and FUjitsu VPP700jVPP300. 342 of the systems in the current list are built by using 'off-the-shelf' processors.

IBM SGI TMC inial Figure 5: The market share of the most important vendors over time. of the rise of Cray is due to the 23 early T3E installations in the list. IBM is a close second to Cray Research with 25% of systems installed. SGI/Crayand IBM hold together 2/3 of the market. The three Japanese companies Fujitsu, NEC and Hitachi have together 72 (14%) systems on the list. Looking at the changes in the accumulated performances of the different vendors in Fig. 6, we see that the installed performance of Cray made a big jump due to the T3E.

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