SC is the International Conference for
High Performance Computing, Networking,
Storage and Analysis

SCHEDULE: NOV 12-18, 2011

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M03: Supporting Code Development on Extreme-scale Computer Systems

SESSION: M03: Supporting Code Development on Extreme-scale Computer Systems

EVENT TYPE: Tutorial

TIME: 8:30AM - 12:00PM

Presenter(s):Martin Schulz, Bernd Mohr, Brian Wylie


The number of processor cores available in high-performance computing systems is steadily increasing. In the Jun 2011 list of the TOP500 supercomputers, all but two of the systems listed have more than 2000 processor cores and the average system has over 15,000 cores. While these machines promise ever more aggregate compute power and memory capacity to tackle today's complex simulation problems, they force application developers to greatly enhance the scalability of their codes to be able to exploit it. To better support them in their porting and tuning process, many parallel tools research groups have already started to work on scaling their methods, techniques and tools to extreme processor counts. In this tutorial, we survey existing debugging, profiling and tracing tools, demonstrate selected tools, report on our experience in using them in extreme scaling environments, review existing working and promising new methods and techniques, and discuss strategies for addressing unsolved issues and problems.

Chair/Presenter Details:

Martin Schulz - Lawrence Livermore National Laboratory

Bernd Mohr - Juelich Supercomputing Centre

Brian Wylie - Juelich Supercomputing Centre

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