High Performance Computing HiPC99 : 6th International Conference Calcutta India December 17 20 1999 Proceedings This book constitutes the refereed proceedings of the 6th International Conference on High Performance Computing HiPC99 held in Calcutta India in December 1999. The 20 revised full papers and 40 short papers presented were carefully reviewed and selected from 112 submissions. The papers are organized in sections on architecture compilers cluster computing compilers and tools scheduling parallel algorithms mobile computing parallel applications and interconnection networks