HP XC System 3.x Software - Manual (Page 5)

Running Preexecution Programs...............................................................................................................51
6 Debugging Applications
Debugging Serial Applications...............................................................................................................53
Debugging Parallel Applications.............................................................................................................53
Debugging with TotalView................................................................................................................53
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
Debugging Running Applications..................................................................................................56
Exiting TotalView........................................................................................................................57
7 Tuning Applications
Using the Intel Trace Collector and Intel Trace Analyzer..............................................................................59
Building a Program — Intel Trace Collector and HP-MPI........................................................................59
Running a Program – Intel Trace Collector and HP-MPI..........................................................................60
Visualizing Data – Intel Trace Analyzer and HP-MPI..............................................................................60
8 Using SLURM
Introduction to SLURM............................................................................................................................63
SLURM Utilities.....................................................................................................................................63
Launching Jobs with the srun Command...................................................................................................63
The srun Roles and Modes................................................................................................................64
The srun Roles............................................................................................................................64
The srun Modes..........................................................................................................................64
Using the srun Command with HP-MPI................................................................................................64
Using the srun Command with LSF-HPC...............................................................................................64
Monitoring Jobs with the squeue Command..............................................................................................64
Terminating Jobs with the scancel Command............................................................................................65
Getting System Information with the sinfo Command..................................................................................65
Job Accounting.....................................................................................................................................65
Fault Tolerance.....................................................................................................................................66
Security...............................................................................................................................................66
9 Using LSF
Using Standard LSF on an HP XC System.................................................................................................67
Using LSF-HPC......................................................................................................................................67
Introduction to LSF-HPC in the HP XC Environment................................................................................68
Overview of LSF-HPC..................................................................................................................68
Differences Between LSF-HPC and Standard LSF..............................................................................69
Job Terminology.........................................................................................................................70
HP XCCompute Node Resource Support........................................................................................71
Notes on LSF-HPC.......................................................................................................................72
How LSF-HPC and SLURM Launch and Manage a Job.....................................................................73
Notes About Using LSF-HPC in the HP XC Environment....................................................................74
Job Startup and Job Control....................................................................................................74
Preemption...........................................................................................................................75
Determining the LSF Execution Host....................................................................................................75
Determining Available LSF-HPC System Resources.................................................................................75
Getting the Status of LSF-HPC.......................................................................................................75
Getting Information About LSF Execution Host Node.......................................................................75
Getting Host Load Information......................................................................................................76
Examining LSF-HPC System Queues...............................................................................................76
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