This book constitutes the refereed proceedings of the Fourth International Conference on Parallel Computing Technologies, PaCT-97, held in Yaroslavl, Russia, in September 1997.
The volume presents a total of 54 contributions: 21 full papers, 20 short papers, 10 posters, and three tutorials. All papers were selected for inclusion in the proceedings from numerous submissions on the basis of three independent reviews. The volume covers all current topics in parallel processing; it is divided into sections on theory, software, hardware and architecture, applications, posters, and tutorials.

This book constitutes the proceedings of the Third International Conference on Parallel Computing Technologies, PaCT '95, held in St. Petersburg, Russia in September 1995.
The volume presents 45 revised full papers selected from a total of 98 submissions, including six invited presentations. The proceedings is organized in parts on theory, software, hardware and architecture, and applications to large-scale problems. Parallel processing technologies are shown to be the touchstone of parallel theories, models, languages, and programming systems.