Debugging Massively Parallel Applications

Intel IDB supports debugging of message passing interface (MPI) applications launched by

• mpirun, an MPI launcher from mpich, a public domain implementation of MPI.
• prun, a parallel launcher of Resource Management System* (RMS) from Quadrics*.
• mpiexec, the MPI launcher in the Intel® MPI Library.

• Debugging Massively Parallel Applications: Overview
  
• Before You Begin Debugging an MPI Application
  
• Starting an MPI Debugging Session
  
• Attaching to an Existing MPI Job
  
• Using Commands in a Parallel Debugging Session
  
• Working with Aggregated Messages
  
• Parallel Debugging Tips
  
• Parallel Debugging Example
  
• Using the mpirun_dbg.idb Startup File
  

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