Distributed unsupervised learning using the multisoft machine

  • Authors:
  • Giuseppe Patané;Marco Russo

  • Affiliations:
  • Faculty of Engineering, Insitute of Computer Science and Telecommunications, University of Catania, Viale A. Doria 6, 95125 Catania, Italy and INFN, Section of Cantania, Corso Italia 57, 95129 Cat ...;Department of Physics, University of Messina, Contrada Papardo, Salita Sperone 31, 98166 Messina, Italy and INFN, Section of Catania, Corso Italia 57, 95129 Catania, Italy

  • Venue:
  • Information Sciences—Informatics and Computer Science: An International Journal
  • Year:
  • 2002

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Abstract

Unsupervised learning using K-means techniques is successfully employed in several application fields. When the training set and the number of reference vectors increases, the computational effort can become prohibitive for mono-processor computers. This paper illustrates the parallelization of two clustering techniques using the MULTISOFT machine, a commodity supercomputer, built at the University of Messina. The particular management policy of the MULTISOFT machine and the implementation techniques have shown very interesting results: the speedup increases together with the complexity of the problem to be solved.