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New tutorial available on analyzing hybrid OpenMP+MPI applications

Gergana_S_Intel
Employee
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Discover how to use Intel® Parallel Studio to tune hybrid applications by reviewing MPI utilization inefficiencies and balancing thread load levels.

This tutorial uses the sample heart_demo and guides you through basic steps required to analyze hybrid OpenMP* and MPI code for inefficiencies using MPI Performance Snapshot, Intel® Trace Analyzer and Collector, and Intel® VTune™ Amplifier XE. You will learn how to:

  • Build an application using the MPI library and Intel® C++ compiler.
  • Run the MPI Performance Snapshot tool to get a high-level overview of performance optimization opportunities.
  • Run Intel Trace Analyzer and Collector to identify MPI-bound code.
  • Analyze the communication pattern of the source code.
  • Run the HPC Performance Characterization Analysis with Intel VTune Amplifier XE to locate vectorization and parallelism issues in the sample code.
  • Compare results before and after optimization.

Check out the tutorial here: Analyzing an OpenMP* and MPI Application.

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