Product specifications
Table Of Contents
- Table of Contents
- 1 Introduction
- 2 Feature Overview
- 3 Step-by-Step Cluster Setup and MPI Usage Checklists
- 4 InfiniPath Cluster Setup and Administration
- Introduction
- Installed Layout
- Memory Footprint
- BIOS Settings
- InfiniPath and OpenFabrics Driver Overview
- OpenFabrics Drivers and Services Configuration and Startup
- Other Configuration: Changing the MTU Size
- Managing the InfiniPath Driver
- More Information on Configuring and Loading Drivers
- Performance Settings and Management Tips
- Host Environment Setup for MPI
- Checking Cluster and Software Status
- 5 Using QLogic MPI
- Introduction
- Getting Started with MPI
- QLogic MPI Details
- Use Wrapper Scripts for Compiling and Linking
- Configuring MPI Programs for QLogic MPI
- To Use Another Compiler
- Process Allocation
- mpihosts File Details
- Using mpirun
- Console I/O in MPI Programs
- Environment for Node Programs
- Environment Variables
- Running Multiple Versions of InfiniPath or MPI
- Job Blocking in Case of Temporary InfiniBand Link Failures
- Performance Tuning
- MPD
- QLogic MPI and Hybrid MPI/OpenMP Applications
- Debugging MPI Programs
- QLogic MPI Limitations
- 6 Using Other MPIs
- A mpirun Options Summary
- B Benchmark Programs
- C Integration with a Batch Queuing System
- D Troubleshooting
- Using LEDs to Check the State of the Adapter
- BIOS Settings
- Kernel and Initialization Issues
- OpenFabrics and InfiniPath Issues
- Stop OpenSM Before Stopping/Restarting InfiniPath
- Manual Shutdown or Restart May Hang if NFS in Use
- Load and Configure IPoIB Before Loading SDP
- Set $IBPATH for OpenFabrics Scripts
- ifconfig Does Not Display Hardware Address Properly on RHEL4
- SDP Module Not Loading
- ibsrpdm Command Hangs when Two Host Channel Adapters are Installed but Only Unit 1 is Connected to the Switch
- Outdated ipath_ether Configuration Setup Generates Error
- System Administration Troubleshooting
- Performance Issues
- QLogic MPI Troubleshooting
- Mixed Releases of MPI RPMs
- Missing mpirun Executable
- Resolving Hostname with Multi-Homed Head Node
- Cross-Compilation Issues
- Compiler/Linker Mismatch
- Compiler Cannot Find Include, Module, or Library Files
- Problem with Shell Special Characters and Wrapper Scripts
- Run Time Errors with Different MPI Implementations
- Process Limitation with ssh
- Number of Processes Exceeds ulimit for Number of Open Files
- Using MPI.mod Files
- Extending MPI Modules
- Lock Enough Memory on Nodes When Using a Batch Queuing System
- Error Creating Shared Memory Object
- gdb Gets SIG32 Signal Under mpirun -debug with the PSM Receive Progress Thread Enabled
- General Error Messages
- Error Messages Generated by mpirun
- MPI Stats
- E Write Combining
- F Useful Programs and Files
- G Recommended Reading
- Glossary
- Index
QLogic Host Channel Adapter and QLogic OFED Software Users Guide
QLogic OFED Version 1.4
IB6054601-00 H Page ix
S
Moved mpirun Options Summary to new
Appendix A.
Added these options:
-H, -i, -job-info, -no-syslog,
-statsmode
Updated these options:
-np, -rcfile, psc-debug-level (removed
-d option), -debug, -v
“mpirun Options Summary” on page A-1
was on page 4-20
Updated performance numbers. “Benchmark 1: Measuring MPI Latency Between
Two Nodes” on page B-1
“Benchmark 2: Measuring MPI Bandwidth
Between Two Nodes” on page B-3
Changed example command to run on eight pro-
cessors per node. Changed performance numbers
to match example command.
“Benchmark 3: Messaging Rate Microbenchmarks”
on page B-4
In the second paragraph, changed the limit to
128 MB when locking memory during data tran-
fers.
“Lock Enough Memory on Nodes when Using
SLURM” on page C-5
Deleted reference to MTRR BIOS setting. “BIOS Settings” on page D-2
Moved MTRR Mapping and Write Combining sec-
tion and related subsections to “Write Combining”
on page E-1
was MTRR Mapping and Write Combining on
page C-2, Edit BIOS Settings to Fix MTRR Issues
on page C-3, Use the ipath_mtrr Script to Fix
MTRR Issues on page C-4
Modified section “Rebuild or Reinstall Drivers if Different Kernel
Installed” on page D-3
Changed the command to check link status. “InfiniPath ib_ipath Initialization Failure” on
page D-5
Changed the command to stop OpemSM. “Stop OpenSM Before Stopping/Restarting Infini-
Path” on page D-6
Removed references to Fedora 6; not supported in
this release.
“SDP Module Not Loading” on page D-8
Removed section Was ifup on ipath_ether on SLES 10 Reports
"unknown device" on page C-9
New section “ibsrpdm Command Hangs when Two Host Chan-
nel Adapters are Installed but Only Unit 1 is Con-
nected to the Switch” on page D-8
New section “Outdated ipath_ether Configuration Setup Gener-
ates Error” on page D-8