SCHEDULE: NOV 10-16, 2012
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Unveiling parallelization strategies at undergraduate level
SESSION: Unveiling parallelization strategies at undergraduate level
EVENT TYPE: HPC Educator
TIME: 10:30AM - 12:00PM
Presenter(s):Eduard Ayguadé, Rosa Maria Badia
We are living the "real" parallel computing revolution. Something that was the concern of a "few" forefront scientists has become mainstream and of concern to every single programmer. This HPC Educator Session proposes an infrastructure to be used at undergraduate level to discover parallelization strategies and their potential benefit. Tareador provides a very intuitive approach to visualize different parallelization strategies and understand their implications. The programmer needs to use simple code annotations to identify tasks and Tareador will dynamically build the computation task graph, identifying all data-dependencies among the annotated tasks. Tareador also feeds Dimemas, a simulator to predict the potential of the proposed strategy and visualize an execution timeline (Paraver). Using the environment, we show a top-down approach that leads to appropriate parallelization strategies (task decomposition and granularity) and helps to identify tasks interactions that need to be guaranteed when coding the application in parallel.
Eduard Ayguadé - Polytechnic University of Catalonia
Rosa Maria Badia - Barcelona Supercomputing Center