SC13 Home > SC13 Schedule > SC13 Presentation - Hands-On Practical Hybrid Parallel Application Performance Engineering

SCHEDULE: NOV 16-22, 2013

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Hands-On Practical Hybrid Parallel Application Performance Engineering

SESSION: Hands-On Practical Hybrid Parallel Application Performance Engineering

EVENT TYPE: Tutorials

TIME: 8:30AM - 5:00PM

Presenter(s):Markus Geimer, Sameer Shende, Bert Wesarg, Brian Wylie

ROOM:301

ABSTRACT:
This tutorial presents state-of-the-art performance tools for leading-edge HPC systems founded on the Score-P community instrumentation and measurement infrastructure, demonstrating how they can be used for performance engineering of effective scientific applications based on standard MPI, OpenMP, hybrid MPI+OpenMP, and increasingly common usage of accelerators. Parallel performance evaluation tools from the VI-HPS (Virtual Institute High Productivity Supercomputing) are introduced and featured in hands-on exercises with Scalasca, Vampir and TAU. We present the complete workflow of performance engineering, including instrumentation, measurement (profiling and tracing, timing and PAPI hardware counters), data storage, analysis, and visualization. Emphasis is placed on how tools are used in combination for identifying performance problems and investigating optimization alternatives. Using their own notebook computers with a provided Linux Live-ISO image containing the tools (booted from DVD/USB or within a virtual machine) will help to prepare participants to locate and diagnose performance bottlenecks in their own parallel programs.

Chair/Presenter Details:

Markus Geimer - Juelich Supercomputing Center

Sameer Shende - University of Oregon

Bert Wesarg - Dresden University of Technology

Brian Wylie - Juelich Supercomputing Center

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