Lecture Notes in Computer Science 854 Edited by G
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Lecture Notes in Computer Science 854 Edited by G. Goos, J. Hartmanis and J. van Leeuwen Advisory Board: W. Brauer D. Gries J. Stoer Bruno Buchberger Jens Volkert (Eds.) Parallel Processing: CONPAR 94 - VAPP VI Third Joint International Conference on Vector and Parallel Processing Linz, Austria, September 6-8, 1994 Proceedings Springer-Verlag Berlin Heidelberg NewYork London Paris Tokyo Hong Kong Barcelona Budapest Series Editors Gerhard Goos Universit~it Karlsruhe Postfach 69 80, Vincenz-Priessnitz-Strage 1, D-76131 Karlsruhe, Germany Juris Hartmanis Department of Computer Science, Cornell University 4130 Upson Hall, Ithaka, NY 14853, USA Jan van Leeuwen Department of Computer Science, Utrecht University Padualaan 14, 3584 CH Utrecht, The Netherlands Volume Editors Bruno Buchberger, Research Institute for Symbolic Computation (RISC) Jens Volkert, Institut fur Informatik Johannes Kepler Universit~it Linz Altenbergerstr. 69, A-4040 Linz, Austria CR Subject Classification (1991): C.1-2, F.2, B.3, C.4, D.1, D.4, E.1, G.1, J.0 ISBN 3-540-58430-7 Springer-Verlag Berlin Heidelberg New York CIP data applied for This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, re-use of illustrations, recitation, broadcasting, reproduction on microfilms or in any other way, and storage in data banks. Duplication of this publication or parts thereof is permitted only under the provisions of the German Copyright Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag. Violations are liable for prosecution under the German Copyright Law. 9Springer-Verlag Berlin Heidelberg 1994 Printed in Germany Typesetting: Camera-ready by author SPIN: 10478954 45/3140-543210 - Printed on acid-free paper Preface Since 1981 several successful conferences of the CONPAR and the VAPP series have taken place. The International Conferences on Parallel Processing (CON- PAR) were held in Erlangen (1981), Aachen (1986), and Manchester (1988). The Vecior and Parallel Processors in Compu~aiional Sciences (VAPP) mee- tings were organized in Chester (1981), Oxford (1984) and Liverpool (1987). Afterwards the Standing Committees of both series decided to merge the two events in order to cover a broader spectrum of parallelism. The next meetings, now called CONPAR-VAPP, were held in Zurich (1990) and Lyon (1992). CONPAR 94-VAPP VI, which takes place in Linz, Austria, is the last con- ference in this series. In 1995, CONPAR-VAPP will be merged with PARLE, another well-known series with a similar scope. The new conference will be cal- led EUROPAR and will be organized every year. The goal of this measure is to establish ihe European event in the field of parallel processing. As this is the last CONPAR-VAPP, we hope that the event will be a worthy ending of the series. We believe that we did all we could do to achieve this goal. But the final assessment will have to be made by the participants of the meeting and the readers of these proceedings. It remains for us to thank all the people and organizations which have sup- ported this conference. First of all we would like to mention the members of the program commit- tee. Their work turned out to be not an easy one. Authors from 29 countries submitted (mostly by electronic mail) 159 papers from which only 73 could be selected. Therefore even some papers of good quality had to be rejected. At this point we would also like to thank the numerous reviewers who provided the program committee with the necessary input for the selection process. The preparation of the technical program was a hard task. It could not have been managed without the aid of the organizing committee. Especially many thanks to Siegfried Grabner and Wolfgang Schreiner who did most of the job. Many thanks for funding and/or other support to ACPC, GI-PARS, IFIP WG10.3, IFSR, OCG, OGI, and especially to the administrations of Linz, Upper Austria, and Austria. Finally we would like to express our thanks to the Johannes Kepler University Linz for providing the necessary infrastructure for this conference and for the pleasant surroundings. Linz, September 1994 Bruno Buchberger, $ens Volkert VI Standing Committee I. Foster, Argonne Nat. Lab. (USA) G. Fox, NPAC, Syracuse (USA) Chairman: C. Fraboul, CERT, Toulouse (France) W. H~ndler, Univ. Erlangen (Germany) T. Gross, Carnegie Mellon Univ. (USA) G. Hains, Univ. Montreal (Canada) P.C.P. Bhatt, Indian Inst. Techn. (India) G. Haring, Univ. Vienna (Austria) K. Boyanov, Acad. Sci. Sofia (Bulgaria) H. Honda, Yamanashi Univ. (Japan) H. Burldaart, Univ. Basel (Switzerland) H. Hong, Univ. Linz (Austria) M. Cosnard, ENS Lyon (France) F. Hossfeld, ges. Cent. Jfilich (Germany) L. M. Delves, Univ. Liverpool (UK) R. N. Ibbett, Univ. Edinburgh (UK) C. Jesshope, Univ. Surrey (UK) C. Jesshope, Univ. Surrey (UK) H. Jordan, Univ. Colorado (USA) H. Jordan, Univ. Colorado (USA) O. Lange, T. Univ. Harburg (Germany) P. Kacsuk, KFKI, Budapest (Hungary) N. Mirenkov, Acad. Kiev (Ukraine) E. Kaltofen, Renss. Polyt. Inst. (USA) Y. Muraoka, Waseda Univ. (Japan) H. Kasahara, Waseda Univ. (Japan) I. Plander, Acad. Bratislava (Slovakia) W. Kleinert, T. Univ. Vienna (Austria) K. Reinartz, Univ. Erlangen (Germany) W. Kuechlin, Univ. Tfibingen (Germany) E. H. Rothauser, IBM (Switzerland) 0. Lange, T. Univ. Harburg (Germany) A. V. de Vasconcelos, Brussels (Belgium) M. A. Langston, Univ. Tennessee (USA) A. D. Malony, Univ. Oregon (USA) Organizing Committee A. Miola, Univ. Roma (Italy) N. Mirenkov, Univ. Aizu (Japan) Chairman: Y. Muraoka, Waseda Univ. (Japan) J. Volkert, Univ. Linz (Austria) P. Navanx, Univ. Porto Alegre (Brasil) D. A. Padua, Univ. Illinois (USA) B. Buchberger, RISC-Linz (Austria) C. Pancake, Oregon State Univ. (USA) S. Grabner, Univ. Linz (Austria) D. Parkinson, Thinking Machines (UK) W. Schreiner, RISC-Linz (Austria) G.-R. Perrin, Univ. Franche (France) R. Perrott, Queen's Univ. Belfast (UK) Program Committee B. Philippe, IRISA, Rennes (France) B. Plateau, IMAG, Grenoble (France) Chairman: R. Puigjaner, Univ. Illes Balears (Spain) B. Buchberger, RISC-Linz (Austria) M. J. Quinn, Oregon State Univ. (USA) G. L. Reijns, Delft Univ. (Netherlands) M. Amamiya, Kyushu Univ. (Japan) K. Reinartz, Univ. Erlangen (Germany) F. Andre, IRISA, Rennes (France) D. Roose, Cath. Univ. Leuven (Belgium) M. Annaratone, DEC (USA) W. Rytter, Warsaw Univ. (Poland) R. G. Babb, Univ. Denver (USA) S. G. Sedukhin, Univ. Aizu (Japan) P.C.P. Bhatt, Indian Inst. Techn. (India) B. Sendov, Acad. Sci., Sofia (Bulgaria) D. Bini, Univ. Pisa (Italy) O. Steinhauser, Univ. Vienna (Austria) A. Bode, Tech. Univ. Munich (Germany) O. Sykora, Acad. Sci., Bratisl. (Slovakia) K. Boyanov, Acad. Sci. Sofia (Bulgaria) D. Trystram, IMAG, Grenoble (France) H. Burkhart, Univ. Basel (Switzerland) E. Tyrtyshnikov, Acad. Sci. (Russia) M. Cosnard, ENS Lyon (France) M. Valero, Cent. Parall., Barcel. (Spain) F. Dehne, Purdue Univ. (USA) M. Vanneschi, Univ. Pisa (Italy) L. M. Delves, Univ. Liverpool (UK) P. Vitanyi, CWI, Amsterd. (Netherlands) J. Dongarra, Univ. Tennessee (USA) J. Volkert, Univ. Linz (Austria) I. Duff, Rutherford Appleton Lab. (UK) R. Wait, Univ. Liverpool (UK) K. Ecker, T. Univ. Clausthal (Germany) P. S. Wang, Kent State Univ. (USA) J. P. flitch, Univ. Bath (OK) P. Zinterhof, Univ. Salzburg (Austria) R. Fiebrich, Thinking Machines (USA) Referees M. Abdularahim, Univ. Denver (USA) D. Comte, CERT, Toulouse (France) M. Abe, Tohoku Univ. (USA) J. Cuny, Univ. Oregon (USA) C. A. Addison, Univ. Liverpool (UK) M. Danelutto, Univ. Pisa (Italy) K. Aida, Wazeda Univ. (Japan) R. De Nicola, CNUCE Inst., CNR (Italy) L. Alexandrov, Acad. Sci. (Bulgaria) M. De Valerio, Univ Erlangen (Germany) A. Aliabadi, Queen's Univ., Belfast (UK) M. C. Dewar, Univ. Bath (UK) V. Ambriola, Univ. Pisa (Italy) R. Di Meglio, Univ. Pisa (Italy) B. Amrhein, Univ. Tfibingen (Germany) I. Dimov, Acad. Sci., Sofia (Bulgaria) R. Anderson, Intel (USA) M. Dryja, Warsaw Univ. (Poland) M. Arioli, Rutherford Appl. Lab. (UK) J. Duato, Univ. Illes Balears (Spain) S. Arun-Kumar, Ind. Inst. Tech. (India) G. Durrieu, CERT, Toulouse (France) E. Ayguade, Cent. Parall. (Spain) T. EI-Gha.zali, IMAG, Grenoble (France) F. Baiardi, Univ. Pisa (Italy) L. Elsner, Univ. Bielefeld (Germany) D. Baxth, Labri Bordeaux (France) J. Ethel, Rutherford Appleton Lab. (UK) R. Burros, Univ. Denver (USA) J. Duprat, ENS Lyon (France) W. Bauer, Univ. Salzburg (Austria) T. Fadgyas, KFKI, Budapest (Hungary) B. Beattie, Univ. Liverpool (UK) A. Fagot, IMAG, Grenoble (France) A. Benaini, Univ. Franche (France) T. Fahringer, Univ. Linz (Austria) E. Benson, DEC (USA) K. Faigin, Delft Univ. (Netherlands) R. Berrendorf, R. Cent. Jfilich (Germany) M. Feeley, Univ. Montreal (Canada) M. W. Berry, Univ. Tennessee (USA) J. Feehrer, Univ. Colorado (USA) W. Blume, Univ. Illinois (USA) S. Ferenczi, KFKI, Budapest (Hungary) T. B. Boffey, Univ. Liverpool (UK) C. S. Ferner, Univ. Denver (USA) M. Bonuccelli, Univ. Roma (Italy) G. Ferrari, Univ. Pisa (Italy) C. Bornstein, Cam. Mellon Univ. (USA) C. S. Ferner, IRISA, Rennes (France) P. Borovansky, Acad. Sci. (Slovakia) A. Fernandez, Cent. Parallelism (Spain) T. Brandes, GMD (Germany) J. Flower, Cal. Inst. Tech. (USA) D. Brown, Univ. Oregon (USA) C. Foisy, Univ. Montreal (Canada) G. Cavalheiro, U. Porto Alegre (Brazil) V. Frayss$, CERFACS (UK) P. Chattier, IRISA, Rennes (France) S. A. Finogenov, Acad. Sci. (Russia) G. Cheng, NPAC, Syracuse (USA) C. Foisy, Univ. Montreal (Canada) J. Choi, IBM Watson (USA) A. Frolov, Acad. Sci., Moscow (Russia) M. Christaller, IMAG, Grenoble (France) M. Fujita, Fujitsu Laboratories (USA) B. Ciciani, Univ. Roma (Italy) J. Gabarro, Cent. Parall., Bared. (Spain) M. Clint, Queen's Univ. Belfast (UK) P. L. Garcia, Univ. Linz (Austria) B. Codenotti, Rutherf. Appl. Lab. (UK) M. Gastaldo, ENS Lyon (France) A. Corradi, Univ. Bologna (Italy) M. Gerndt, Res. Cent. Jfilich (Germany) C. da Costa, Univ. Porto Alegre (Brazil) C. Geyer, Univ. Porto Alegre (Brazil) P.