Sun Logo


Sun HPC ClusterTools 7.1 Software Migration Guide

819-7484-11



Contents

Preface

1. Differences Between Sun HPC ClusterTools Versions

Comparing mprun Options to mpirun Options

Passing MPI Options

Specifying Selected CPUs for Applications

Thread Safety

Sun HPC ClusterTools-Specific Commands

Updating Applications Compiled With Previous Versions of Sun HPC ClusterTools Software

Comparing Sun MPI Environment Variables to Open MPI MCA Parameters

More Information About Parameters and Compiling Applications

2. Migrating Sun HPC ClusterTools 6 Applications

Using the Wrapper Compilers

C++ Specific Issues

Fortran-Specific Issues

Using MPI_Accumulate on User-Defined Types

Using Non-Default Error Handlers

Error Codes

More Information About the Wrapper Compilers and About MCA Parameters

3. Migrating Third-Party Job Launchers

How Sun Grid Engine Works With Open MPI

Using Sun Grid Engine With ORTE

MCA Parameters

Submitting Jobs Under Sun Grid Engine Integration

More Information About Sun Grid Engine, the Open Source Grid Engine, and MCA Parameters