SCHEDULE: NOV 12-18, 2011

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Connecting PGAS and traditional HPC languages

SESSION: Research Poster Reception

EVENT TYPE: ACM Student Research Competition Poster, Poster, Electronic Poster

TIME: 5:15PM - 7:00PM

SESSION CHAIR: Bernd Mohr

AUTHOR(S):Adrian Prantl, Thomas Epperly, Shams Imam

ROOM:WSCC North Galleria 2nd/3rd Floors

ABSTRACT:
Chapel is a high-level parallel programming language that implements a partitioned global address space model (PGAS). On our poster, we will present BRAID, which enables Chapel programs to call functions and instantiate objects written in C, C++, Fortran 77 - 2008, Java and Python. Our tool creates language bindings that are binary-compatible with Babel. The scientific community maintains a large amount of code written in traditional languages. With the help of our tool, users will gain access to their existing codebase with minimal effort. The language bindings are designed to provide a good combination of performance and flexibility (including transparent access to distributed arrays). The advantages of our approach are highlighted by benchmarks that compare the performance of pure Chapel programs with that of hybrid versions that call subroutines implemented in Babel-supported languages inside of parallel loops. We also present our vision for interoperability with other PGAS languages such as UPC and X10.

Chair/Author Details:

Bernd Mohr (Chair) - Juelich Supercomputing Centre

Adrian Prantl - Lawrence Livermore National Laboratory

Thomas Epperly - Lawrence Livermore National Laboratory

Shams Imam - Rice University

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