https://community.intel.com/t5/Intel-MPI-Library/Tutorial-on-analyzing-hybrid-OpenMP-MPI-applications/m-p/1072822#M4717 <P>Discover how to use Intel® Parallel Studio to tune hybrid applications by reviewing MPI utilization inefficiencies and balancing thread load levels.</P> <P>This tutorial uses the sample <CODE>heart_demo</CODE> 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:</P> <UL> <LI>Build an application using the MPI library and Intel® C++ compiler.</LI> <LI>Run the MPI Performance Snapshot tool to get a high-level overview of performance optimization opportunities.</LI> <LI>Run Intel Trace Analyzer and Collector to identify MPI-bound code.</LI> <LI>Analyze the communication pattern of the source code.</LI> <LI>Run the HPC Performance Characterization Analysis with Intel VTune Amplifier XE to locate vectorization and parallelism issues in the sample code.</LI> <LI>Compare results before and after optimization.</LI> </UL> <P>Check out the tutorial here: <A href="https://software.intel.com/en-us/itac-vtune-mpi-openmp-tutorial-lin" target="_blank">Analyzing an OpenMP* and MPI Application</A>.</P> Wed, 02 Nov 2016 22:36:26 GMT Gergana_S_Intel 2016-11-02T22:36:26Z https://community.intel.com/t5/Intel-MPI-Library/Tutorial-on-analyzing-hybrid-OpenMP-MPI-applications/m-p/1072822#M4717 <P>Discover how to use Intel® Parallel Studio to tune hybrid applications by reviewing MPI utilization inefficiencies and balancing thread load levels.</P> <P>This tutorial uses the sample <CODE>heart_demo</CODE> 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:</P> <UL> <LI>Build an application using the MPI library and Intel® C++ compiler.</LI> <LI>Run the MPI Performance Snapshot tool to get a high-level overview of performance optimization opportunities.</LI> <LI>Run Intel Trace Analyzer and Collector to identify MPI-bound code.</LI> <LI>Analyze the communication pattern of the source code.</LI> <LI>Run the HPC Performance Characterization Analysis with Intel VTune Amplifier XE to locate vectorization and parallelism issues in the sample code.</LI> <LI>Compare results before and after optimization.</LI> </UL> <P>Check out the tutorial here: <A href="https://software.intel.com/en-us/itac-vtune-mpi-openmp-tutorial-lin" target="_blank">Analyzing an OpenMP* and MPI Application</A>.</P> Wed, 02 Nov 2016 22:36:26 GMT https://community.intel.com/t5/Intel-MPI-Library/Tutorial-on-analyzing-hybrid-OpenMP-MPI-applications/m-p/1072822#M4717 Gergana_S_Intel 2016-11-02T22:36:26Z