This book constitutes the refereed proceedings of the 7th European Conference on Parallel Computing, Euro-Par 2001, held in Manchester, UK in August 2001. The 69 revised regular papers and 39 research notes presented together with five invited contributions were carefully reviewed and selected from a total of 207 submissions. All aspects of parallel computing and its applications are addressed. There is section on tools and environments, performance evaluation, scheduling and load balancing, compilers, databases and knowledge discovery, complexity theory, high-performance computing applications, architecture, distributed systems and algorithms, programming, numerical algorithms, routing and interconnection networks, cluster computing, metacomputing and grid computing, parallel and distributed embedded systems, etc.