Contents

• Introduction
• Major Changes in This Version
• General Information
  • ROMIO Optimizations
  • Hints
  • Using ROMIO on NFS
  • Using testfs
  • ROMIO and MPI_FILE_SYNC
  • ROMIO and MPI_FILE_SET_SIZE
  
  
• Installation Instructions
  • Configuring for Linux and Large Files
  
  
• Testing ROMIO
• Compiling and Running MPI-IO Programs
• Limitations of This Version of ROMIO
• Usage Tips
• Reporting Bugs
• ROMIO Internals
• Learning MPI-IO
• Major Changes in Previous Releases
  • Major Changes in Version 1.2.3
  • Major Changes in Version 1.0.3
  • Major Changes in Version 1.0.2
  • Major Changes in Version 1.0.1
  
  
• Bibliography

Users Guide for ROMIO: A High-Performance,

Portable MPI-IO Implementation


by


Rajeev Thakur, Robert Ross, Ewing Lusk, and William Gropp

Abstract:

ROMIO is a high-performance, portable implementation of MPI-IO (the I/O chapter in the MPI Standard). This document describes how to install and use ROMIO version 1.2.4 on various machines.