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SCHEDULE: NOV 16-21, 2014

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MSL: A Synthesis Enabled Language for Distributed Implementations

SESSION: Compiler Analysis and Optimization

EVENT TYPE: Papers

TIME: 4:30PM - 5:00PM

SESSION CHAIR: Milind Kulkarni

AUTHOR(S):Zhilei Xu, Shoaib Kamil, Armando Solar-Lezama

ROOM:393-94-95

ABSTRACT:

This paper presents a new methodology for implementing SPMD distributed memory kernels.
In this methodology, the programmer describes a generic implementation strategy for a particular class of kernels by writing a partial, generic implementation, and wrap it as a library with a concise and clean interface.
The programmer then relies on our system to derive a concrete MPI implementation that follows the strategy and matches a given reference implementation.
This methodology is made possible by a new set of language constructs that allow programmers to relate the behavior of a sequential reference implementation to a distributed implementation, and a new synthesis algorithm for distributed memory implementations.
We demonstrate the methodology by implementing non-trivial kernels from NAS Parallel Benchmarks. Our approach can automatically infer challenging details and produce efficient implementations which performs within 95% of hand-written Fortran code, while promoting reusability and reducing programmer effort by leveraging generative programming and synthesis.

Chair/Author Details:

Milind Kulkarni (Chair) - Purdue University

Zhilei Xu - Massachusetts Institute of Technology

Shoaib Kamil - Massachusetts Institute of Technology

Armando Solar-Lezama - Massachusetts Institute of Technology

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Paper provided by the ACM Digital Library

Paper also available from IEEE Computer Society