SC13 Home > SC13 Schedule > SC13 Presentation - Towards Co-Evolution of Auto-Tuning and Parallel Languages

SCHEDULE: NOV 16-22, 2013

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Towards Co-Evolution of Auto-Tuning and Parallel Languages

SESSION: ACM Student Research Competition Poster Reception

EVENT TYPE: ACM Student Research Competition Posters, ACM Student Research Competition

TIME: 5:15PM - 7:00PM

AUTHOR(S):Ray S. Chen

ROOM:Mile High Pre-Function

ABSTRACT:
There exists a gap between the massive parallelism available from today's HPC systems and our ability to efficiently develop applications that utilize such parallelism. Several emerging programming languages aim to narrow this gap through high-level abstractions of data and/or control parallelism. However, this requires the compiler to make performance affecting decisions based on information unavailable at compile time, such as workload complexity or thread distribution. By evolving auto-tuning along with these languages, such decisions could be deferred until run time when it's possible to test for optimal values. In this poster, we present our vision of co-evolution by pairing the Chapel programming language with the Active Harmony auto-tuning framework. We include results of our co-evolution experiments which demonstrate the ability to automatically improve the performance of a proxy application over the default by nearly 25%.

Chair/Author Details:

Ray S. Chen - University of Maryland

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