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Oracle Solaris Studio 12.2: Performance Analyzer MPI Tutorial |
1. Performance Analyzer MPI Tutorial
About MPI and Performance Analyzer
Collecting Data on the ring_c Example
Viewing Function Details and Application Source Code
Filtering Data in the MPI Tabs
Make a Chart to Show Where Messages are Being Sent
Make a Chart to Show Which Ranks Waited Longest to Receive a Message
Look for Slow Message Effects on Time Spent in MPI Functions
Oracle Solaris Studio Performance Analyzer enables you to observe performance and pinpoint problem areas in complex multithreaded applications. The simple example described in this tutorial illustrates the basics for examining relationships between MPI functions and messages. Using the MPI timeline, MPI charts, and zooming and filtering capabilities, you can gather and process performance data, view metrics at the program, function, source line, and instruction level, and identify potential performance problems before they become deployment issues.
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