Qlogic OFED+ Host Spezifikationen PDF herunterladen (Seite 14)

Page xiv IB6054601-00 H

QLogic Host Channel Adapter and QLogic OFED Software Users Guide

QLogic OFED Version 1.4

Notes

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 203 204

OFED Software Users Guide 1
Document Revision History 2
QLogic OFED Version 1.4 13
IB6054601-00 H Page xiii 13
Page xiv IB6054601-00 H 14
Table of Contents 15
5 Using QLogic MPI 16
6 Using Other MPIs 17
List of Figures 22
List of Tables 22
1 Introduction 23
Overview 24
Interoperability 25
Convention Meaning 26
Documentation 27
Contact Information 27
1–Introduction 28
1-6 IB6054601-00 H 28
2 Feature Overview 29
Other Changes 30
Continued Support 30
Table Notes 31
PCIe is Gen 1 31
Compiler Support 33
Software Components 33
2–Feature Overview 34
2-6 IB6054601-00 H 34
3 Step-by-Step Cluster Setup 35
Using MPI 36
4 InfiniPath Cluster Setup 37
Installed Layout 38
Memory Footprint 39
4-6 IB6054601-00 H 42
# ifconfig ib0 42
Using QLogic SRP 45
Using OFED SRP 45
IB6054601-00 H 4-11 47
# ib_qlgc_vnic_query 47
4-12 IB6054601-00 H 48
IB6054601-00 H 4-13 49
4-18 IB6054601-00 H 54
$ ibv_devinfo 54
InfiniPath Driver Filesystem 57
Homogeneous Nodes 58
Adapter and Other Settings 58
Remove Unneeded Services 59
Disable Powersaving Features 60
Hyper-Threading 60
Configuring for ssh 61
The Intel Cluster Checker 67
4-32 IB6054601-00 H 68
Other MPIs 70
MPI-IO with ROMIO 70
Getting Started with MPI 71
QLogic MPI Details 73
To Use Another Compiler 76
Process Allocation 78
5–Using QLogic MPI 79
IB6054601-00 H 5-11 79
5-12 IB6054601-00 H 80
PSM_SHAREDCONTEXTS=0 80
PSM_SHAREDCONTEXTS=NO 80
Running in Shared Memory Mode 81
Using mpirun 83
Console I/O in MPI Programs 85
Environment for Node Programs 85
Environment Variables 86
Name Description 87
Performance Tuning 89
MPD Description 91
Using MPD 91
Applications 92
Debugging MPI Programs 93
QLogic MPI Limitations 94
Open MPI 97
Running Open MPI Applications 98
Running MVAPICH Applications 100
Installation 102
Compiling HP-MPI Applications 102
Running HP-MPI Applications 102
More Information on HP-MPI 102
Platform (Scali) MPI 103
Intel MPI 104
IB6054601-00 H 6-13 107
6–Using Other MPIs 107
6-14 IB6054601-00 H 108
A mpirun Options Summary 109
Spawn Options 110
Quiescence Options 111
Verbosity Options 111
Startup Options 111
Stats Options 112
Tuning Options 113
Shell Options 114
Debug Options 114
Format Options 115
Other Options 115
A–mpirun Options Summary 116
A-8 IB6054601-00 H 116
B Benchmark Programs 117
Between Two Nodes 119
B–Benchmark Programs 122
B-6 IB6054601-00 H 122
C Integration with a Batch 123
Using SLURM for Batch Queuing 124
Allocating Resources 125
Generating the mpihosts File 125
Simple Process Management 126
D Troubleshooting 129
BIOS Settings 130
SDP Module Not Loading 136
Performance Issues 137
Affinity on Opteron Systems 138
MVAPICH Performance Issues 138
Erratic Performance 139
QLogic MPI Troubleshooting 140
Mixed Releases of MPI RPMs 141
Missing mpirun Executable 141
Cross-Compilation Issues 142
Compiler/Linker Mismatch 143
Process Limitation with ssh 148
Using MPI.mod Files 149
Extending MPI Modules 149
Queuing System 151
General Error Messages 154
MPI Messages 156
MPI Stats 159
D–Troubleshooting 160
D-32 IB6054601-00 H 160
E Write Combining 161
PAT and Write Combining 162
E–Write Combining 164
E-4 IB6054601-00 H 164
F Useful Programs and Files 165
Table F-1. Useful Programs 166
Program Name Function 166
F–Useful Programs and Files 175
IB6054601-00 H F-11 175
# modprobe -v ib_ipath 175
Common Tasks and Commands 177
Function Command 178
subdirectory of the 183
F-20 IB6054601-00 H 184
G Recommended Reading 185
Clusters 186
Networking 186
Other Software Packages 186
Glossary 187
EE – kDAPL 188
Glossary-2 IB6054601-00 H 188
IB6054601-00 H Glossary-3 189
Glossary-4 IB6054601-00 H 190
IB6054601-00 H Glossary-5 191
RDMA — uDAPL 191
Glossary-6 IB6054601-00 H 192
Numerics 193
Index-2 IB6054601-00 H 194
IB6054601-00 H Index-3 195
Index-4 IB6054601-00 H 196
IB6054601-00 H Index-5 197
Index-6 IB6054601-00 H 198
IB6054601-00 H Index-7 199
Index-8 IB6054601-00 H 200
IB6054601-00 H Index-9 201
Index-10 IB6054601-00 H 202

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