Constitutes the refereed proceedings of the 13th European PVM/MPI Users' Group Meeting, held in September 2006. This book presents 38 revised full papers together with abstracts of 6 invited contributions, 4 tutorial papers and 6 poster papers.

Invited Talks.- Too Big for MPI?.- Approaches for Parallel Applications Fault Tolerance.- Where Does MPI Need to Grow?.- Peta-Scale Supercomputer Project in Japan and Challenges to Life and Human Simulation in Japan.- Resource and Application Adaptivity in Message Passing Systems.- Performance Advantages of Partitioned Global Address Space Languages.- Tutorials.- Using MPI-2: A Problem-Based Approach.- Performance Tools for Parallel Programming.- High-Performance Parallel I/O.- Hybrid MPI and OpenMP Parallel Programming.- Outstanding Papers.- Issues in Developing a Thread-Safe MPI Implementation.- Scalable Parallel Suffix Array Construction.- Formal Verification of Programs That Use MPI One-Sided Communication.- Collective Communication.- MPI Collective Algorithm Selection and Quadtree Encoding.- Parallel Prefix (Scan) Algorithms for MPI.- Efficient Allgather for Regular SMP-Clusters.- Efficient Shared Memory and RDMA Based Design for MPI_Allgather over InfiniBand.- Communication Protocols.- High Performance RDMA Protocols in HPC.- Implementation and Shared-Memory Evaluation of MPICH2 over the Nemesis Communication Subsystem.- MPI/CTP: A Reconfigurable MPI for HPC Applications.- Debugging and Verification.- Correctness Checking of MPI One-Sided Communication Using Marmot.- An Interface to Support the Identification of Dynamic MPI 2 Processes for Scalable Parallel Debugging.- Modeling and Verification of MPI Based Distributed Software.- Fault Tolerance.- FT-MPI, Fault-Tolerant Metacomputing and Generic Name Services: A Case Study.- Scalable Fault Tolerant Protocol for Parallel Runtime Environments.- An Intelligent Management of Fault Tolerance in Cluster Using RADICMPI.- Extended mpiJava for Distributed Checkpointing and Recovery.- Metacomputing and Grid.- Running PVM Applications on Multidomain Clusters.- Reliable Orchestration of Distributed MPI-Applications in a UNICORE-Based Grid with MetaMPICH and MetaScheduling.- The New Multidevice Architecture of MetaMPICH in the Context of Other Approaches to Grid-Enabled MPI.- Using an Enterprise Grid for Execution of MPI Parallel Applications – A Case Study.- Parallel I/O.- Self-adaptive Hints for Collective I/O.- Exploiting Shared Memory to Improve Parallel I/O Performance.- High-Bandwidth Remote Parallel I/O with the Distributed Memory Filesystem MEMFS.- Effective Seamless Remote MPI-I/O Operations with Derived Data Types Using PVFS2.- Implementation Issues.- Automatic Memory Optimizations for Improving MPI Derived Datatype Performance.- Improving the Dynamic Creation of Processes in MPI-2.- Object-Oriented Message Passing.- Non-blocking Java Communications Support on Clusters.- Modernizing the C++ Interface to MPI.- Limitations and Extensions.- Can MPI Be Used for Persistent Parallel Services?.- Observations on MPI-2 Support for Hybrid Master/Slave Applications in Dynamic and Heterogeneous Environments.- What MPI Could (and Cannot) Do for Mesh-Partitioning on Non-homogeneous Networks.- Performance.- Scalable Parallel Trace-Based Performance Analysis.- TAUg: Runtime Global Performance Data Access Using MPI.- Tracing the MPI-IO Calls’ Disk Accesses.- Measuring MPI Send and Receive Overhead and Application Availability in High Performance Network Interfaces.- Challenges and Issues in Benchmarking MPI.- Implementation and Usage of the PERUSE-Interface in Open MPI.- ParSim.- 5th International Special Session on Current Trends in Numerical Simulation for Parallel Engineering Environments.- MPJ Express Meets Gadget: Towards a Java Code for Cosmological Simulations.- An Approach for ParallelFluid-Structure Interaction on Unstructured Meshes.- Optimizing a Conjugate Gradient Solver with Non-Blocking Collective Operations.- Parallel DSMC Gasflow Simulation of an In-Line Coater for Reactive Sputtering.- Parallel Simulation of T-M Processes in Underground Repository of Spent Nuclear Fuel.- Poster Abstracts.- On the Usability of High-Level Parallel IO in Unstructured Grid Simulations.- Automated Performance Comparison.- Improved GROMACS Scaling on Ethernet Switched Clusters.- Asynchronity in Collective Operation Implementation.- PARUS: A Parallel Programming Framework for Heterogeneous Multiprocessor Systems.- Application of PVM to Protein Homology Search.