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Example 7-1 The vtjacobic Example Program
For the purposes of this example, the examples directory under /opt/IntelTrace/ITC is copied to the
user's home directory and renamed to examples_directory.
The GNU makefile looks as follows:
CC = mpicc.mpich
F77 = mpif77.mpich
CLINKER = mpicc.mpich
FLINKER = mpif77.mpich
IFLAGS = -I$(VT_ROOT)/include
CFLAGS = -g
FFLAGS = -g
LIBS = -lvtunwind -ldwarf -lnsl -lm -lelf -lpthread
CLDFLAGS = -static-libcxa -L$(VT_ROOT)/lib $(TLIB) -lvtunwind \
-ldwarf -lnsl -lm -lelf -lpthread
FLDFLAGS = -static-libcxa -L$(VT_ROOT)/lib $(TLIB) -lvtunwind \
-ldwarf -lnsl -lm -lelf -lpthread
In the cases where Intel compilers are used, add the -static-libcxa option to the link line. Otherwise
the following type of error will occur at run-time:
$ mpirun.mpich -np 2 ~/examples_directory/vtjacobic
~/examples_directory/vtjacobic:
error while loading shared libraries:
libcprts.so.6: cannot open shared object file:
No such file or directory
MPI Application rank 0 exited before MPI_Init() with status 127
mpirun exits with status: 127
In The vtjacobic Example Program, ~/examples_directory/vtjacobic represents the file specification
for the vtjacobic example program.
For more information, see the following Web site:
http://support.intel.com/support/performancetools/c/linux/sb/CS-010097.htm
Running a Program – Intel Trace Collector and HP-MPI
Assuming that you have built your program using the -static-libcxa option, as discussed in "Building
a Program — Intel Trace Collector and HP-MPI" , you can launch the program with the mpirun.mpich
command, as shown in the following example.
Example 7-2 shows how to run the vtjacobic example program discussed in "Building a Program —
Intel Trace Collector and HP-MPI" .
Example 7-2 C Example – Running the vtjacobic Example Program
$ mpirun.mpich -np 2 ~/examples_directory/vtjacobic
~/examples_directory/vtjacobic:100 iterations
in 0.228252 secs (28.712103 MFlops), m=130 n=130 np=2 [0]
Intel Trace Collector INFO: Writing tracefile vtjacobic.stf
in ~/examples_directory/vtjacobic
mpirun exits with status: 0
In Example 7-2, ~/examples_directory/vtjacobic represents the file specification for the vtjacobic
example program.
Visualizing Data – Intel Trace Analyzer and HP-MPI
The Intel Trace Analyzer is used in a straightforward manner on an HP XC system, as described in its standard
documentation. For more information, refer to the
Intel Trace Analyzer Users Guide
. This document is located
on the HP XC system at the following location:
60 Tuning Applications
- HP XC System Software 1
- User's Guide 1
- Table of Contents 3
- 5 Submitting Jobs 4
- 6 Debugging Applications 5
- 7 Tuning Applications 5
- 8 Using SLURM 5
- 9 Using LSF 5
- 10 Advanced Topics 6
- List of Figures 7
- List of Tables 9
- List of Examples 11
- About This Document 13
- HP XC Information 14
- For More Information 15
- Supplementary Information 15
- Related Information 16
- Related Linux Web Sites 17
- Related MPI Web Sites 17
- Related Compiler Web Sites 17
- Additional Publications 17
- Typographic Conventions 18
- HP Encourages Your Comments 18
- System Architecture 19
- Node Specialization 20
- Storage and I/O 20
- File System 21
- System Interconnect Network 22
- User Environment 23
- Run-Time Environment 24
- Standard LSF 25
- 2 Using the System 27
- Introduction 28
- 30 Using the System 30
- Overview of Modules 31
- Supplied Modulefiles 32
- Viewing Available Modulefiles 33
- Viewing Loaded Modulefiles 33
- Loading a Modulefile 33
- Unloading a Modulefile 34
- Modulefile Conflicts 34
- Creating a Modulefile 35
- 4 Developing Applications 37
- Interrupting a Job 38
- Setting Debugging Options 39
- Modulefiles 40
- Standard 41
- 42 Developing Applications 42
- Developing Libraries 43
- 44 Developing Applications 44
- 46 Submitting Jobs 46
- 48 Submitting Jobs 48
- Compiling applications 49
- HP-MPI User's Guide 49
- 50 Submitting Jobs 50
- Running Preexecution Programs 51
- 52 Submitting Jobs 52
- SSH and TotalView 54
- Setting Up TotalView 54
- Using TotalView with SLURM 54
- Using TotalView with LSF-HPC 55
- Setting TotalView Preferences 55
- Debugging an Application 55
- TotalView process window 56
- Exiting TotalView 57
- 60 Tuning Applications 60
- The srun Roles and Modes 64
- Job Accounting 65
- Fault Tolerance 66
- Security 66
- Overview of LSF-HPC 68
- Using LSF-HPC 69 69
- Job Terminology 70
- Using LSF-HPC 71 71
- Notes on LSF-HPC 72
- Using LSF-HPC 73 73
- Job Startup and Job Control 74
- Preemption 75
- Getting Host Load Information 76
- Submitting Jobs 77
- LSF-SLURM External Scheduler 78
- Using LSF-HPC 79 79
- 80 Using LSF 80
- Examining the Status of a Job 81
- 82 Using LSF 82
- Using LSF-HPC 83 83
- 84 Using LSF 84
- Using LSF-HPC 85 85
- 86 Using LSF 86
- Using LSF-HPC 87 87
- 88 Using LSF 88
- Using LSF-HPC 89 89
- 92 Advanced Topics 92
- 94 Advanced Topics 94
- Example Procedure 1 95
- Example Procedure 2 95
- Local Disks on Compute Nodes 96
- Communication Between Nodes 97
- Appendix A Examples 99
- Submit the job: 100
- View the job: 100
- 102 Examples 102
- Show the environment: 103
- Display the script: 103
- Run the job: 103
- Show the SLURM job ID: 104
- Show the job allocation: 104
- Exit the pseudo-terminal: 105
- View the interactive jobs: 105
- View the finished jobs: 105
- View the node state: 105
- View the running job: 106
- View the finished job: 106
- Glossary 109
- 110 Glossary 110
- 112 Glossary 112
- 116 Index 116
- 118 Index 118
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