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HOPSA - A Leap Forward in Parallel Program Optimization

In cooperation with Russian and European project partners, JSC researchers developed a much improved integrated tool infrastructure to monitor and optimize HPC application codes. The EU-Russia FP7 project HOPSA (HOlistic Performance System Analysis) pursued a different approach than that usually taken: for the first time in an HPC context, the search for bottlenecks and program tuning took into account both application and system data. Up to now, application developers have optimized their codes and system administrators have tuned their systems independently of each other. Program optimization is more important than ever. In view of ever more powerful supercomputers, which allow ever more complex simulations, it becomes more difficult to monitor program execution and to locate performance bottlenecks. The HOPSA project (http://www.hopsa-project.eu), in which JSC was the coordinator of the EU partners, was successfully concluded after two years of funding from the EU and the Russian Ministry of Education and Science, and was very positively reviewed in April.
(Contact: Dr. Bernd Mohr, b.mohr@fz-juelich.de)


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