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- Outdated ipath_ether Configuration Setup Generates Error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
IB6054601-00 H Index-1
Index
Symbols
!!!ERROR!!! Lockable memory less
than 4096KB on x nodes error
message C-6, D-24
./hpmpi-mpi_nxnlatbw: error while
loading shared libraries error
message D-19
/etc/… files F-17
/user/bin/
ibhosts: line 30:
/usr/local//bin/ibnetdiscover:
No such file or directory error
message D-7
ld: cannot find -lmpich error
message D-15
ld: cannot find
-lmpichabiglue_gcc3 error
message D-15
/usr/bin/
ld: cannot find
-lmpichabiglue_gcc3 error
message D-15
/var/log/messages file F-15
<nodename>:ipath_userinit:assign_p
ort command failed:Network
is down error message D-5
<nodename>.<rank> Cannot connect
to spawner on host... error
message D-29
$IBPATH variable, setting D-7
Numerics
1 stray message(s) and was told so
1 time(s)... error message D-30
A
ACPI 4-5, D-2, D-4
Adapter
model numbers 2-3
see Host channel adapter
B
Bandwidth Glossary-1
Bandwidth, receive side varies with socket
affinity on Opteron systems D-10
Batch queuing, lock enough memory on nodes
when using D-23
bbb-02: Not running from mpirun?
error message D-18
Benchmarking
messaging rate B-4
MPI bandwidth B-3
MPI latency measurement B-1
MPI latency measurement in host rings B-5
BIOS Glossary-1
settings 4-5, D-2
settings to fix MTRR issues E-2
boardversion F-15
Build node Glossary-1
C
-c F-8
C programming example for MPI 5-3
C programs, compiler/linker mismatch D-15
C++ programming examples for QLogic MPI
5-4
C++ programs, compiler/linker mismatch D-15