Q-Logic IB6054601-00 D manuali

Q logic IB6054601-00 D Manuale Utente (122 pagine)

Marchio: Q-logic | Categoria: Software | Dimensione: 0.67 MB |

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InfiniPath User Guide

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Page ii IB6054601-00 D

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IB6054601-00 D Page iii

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Table of Contents

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Page vi IB6054601-00 D

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Appendix A Benchmark Programs

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Appendix C Troubleshooting

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Page viii IB6054601-00 D

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IB6054601-00 D Page ix

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Version 2.0

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Page x IB6054601-00 D

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Introduction

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Overview

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Switches

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Interoperability

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What’s New in this Release

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Software Components

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■ The InfiniPath User Guide

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■ Release Notes

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■ Quick Start Guide

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1 – Introduction

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1-8 IB6054601-00 D

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Installed Layout

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Memory Footprint

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■ 1 adapter per node

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InfiniPath Driver Startup

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InfiniPath Driver Filesystem

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Subnet Management Agent

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Layered Ethernet Driver

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Software Status

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Process Limitation with ssh

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Remove Unneeded Services

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Disable Powersaving Features

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Balanced Processor Power

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CPU Affinity

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Hyper-Threading

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Homogeneous Nodes

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Customer Acceptance Utility

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2-24 IB6054601-00 D

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Using InfiniPath MPI

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An Example C Program

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InfiniPath MPI Details

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Compiling and Linking

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To Use Another Compiler

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Compiler and Linker Variables

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Cross-compilation Issues

51

Running MPI Programs

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The mpihosts File

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Console I/O in MPI Programs

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Environment for Node Programs

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Multiprocessor Nodes

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MPI Over uDAPL

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MPD Description

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Using MPD

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File I/O in MPI

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MPI-IO with ROMIO

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Debugging MPI Programs

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MPI Errors

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Using Debuggers

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InfiniPath MPI Limitations

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Benchmark Programs

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A – Benchmark Programs

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A-6 IB6054601-00 D

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A Batch Queuing Script

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Allocating Resources

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Generating the mpihosts File

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Simple Process Management

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Troubleshooting

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BIOS Settings

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Incorrect MTRR Mapping

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Software Installation Issues

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OpenFabrics Dependencies

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Install Warning with RHEL4U2

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Kernel Needs CONFIG_PCI_MSI=y

82

OpenFabrics Issues

86

Broken Intermediate Link

87

Performance Issues

87

MVAPICH Performance Issues

87

Mixed Releases of MPI RPMs

87

Compiler/Linker Mismatch

89

Using MPI.mod Files

93

Extending MPI Modules

94

C.8.12.1

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MPI Messages

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C.8.12.3

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MPI Stats

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Restarting InfiniPath

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Recommended Reading

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Clusters

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Glossary

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E – Glossary

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E-2 IB6054601-00 D

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IB6054601-00 D E-3

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E-4 IB6054601-00 D

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IB6054601-00 D E-5

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E-6 IB6054601-00 D

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