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SCHEDULE: NOV 16-22, 2013

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Parallelizing the Execution of Sequential Scripts

SESSION: Parallel Programming Models and Compilation


TIME: 10:30AM - 11:00AM

SESSION CHAIR: Ganesh Gopalakrishnan

AUTHOR(S):Zhao Zhang, Daniel S. Katz, Timothy G. Armstrong, Justin M. Wozniak, Ian Foster


Scripting is often used in science to create applications via the composition of existing programs. Parallel scripting systems allow the creation of such applications, but each system introduces the need to adopt a somewhat specialized programming model. We present an alternative scripting approach, AMFS Shell, that lets programmers express parallel scripting applications via minor extensions to existing sequential scripting languages, such as Bash, and then execute them in-memory on large-scale computers. We define a small set of commands between the scripts and a parallel scripting runtime system, so that programmers can compose their scripts in a familiar scripting language. The underlying AMFS implements both collective (fast file movement) and functional (transformation based on content) file management. Tasks are handled by AMFS's built-in execution engine. AMFS Shell is expressive enough for a wide range of applications, and the framework can run such applications efficiently on large-scale computers.

Chair/Author Details:

Ganesh Gopalakrishnan (Chair) - University of Utah

Zhao Zhang - University of Chicago

Daniel S. Katz - University of Chicago

Timothy G. Armstrong - University of Chicago

Justin M. Wozniak - Argonne National Laboratory

Ian Foster - Argonne National Laboratory

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The full paper can be found in the ACM Digital Library