Themessagepassingparadigmisconsideredthemoste?ectivewaytodevelop- ?cient parallel applications. PVM (Parallel Virtual Machine) and MPI (Message Passing Interface) are the most frequently used tools for programming message passing applications. This volume includes the selected contributions presented at the 10th - ropean PVM/MPI Users Group Meeting (Euro PVM/MPI 2003), which was held in Venice, Italy, September 29 October 2, 2003. The conference was jointly organized by the Department of Computer Science of the Ca Foscari University of Venice, Italy and the Information Science and...