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Compiling scientific code using partial evaluation

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2 Author(s)
Berlin, A. ; MIT, Cambridge, MA, USA ; Weise, D.

The partial evaluation approach, which transforms a high-level program into a low-level program that is specialized for a particular application, exposing the parallelism inherent in the underlying numerical computation, is discussed. A prototype compiler that uses partial evaluation is described. Experiments with the compiler have shown that for an important class of numerical programs, partial evaluation can provide marked performance improvements: speedups over conventionally compiled code that range from seven times faster to 91 times faster have been measured. By coupling partial evaluation with parallel scheduling techniques, the low-level parallelism inherent in a computation can be exploited on heavily pipelined or parallel architectures. The approach has been demonstrated by applying a parallel scheduler to a partially evaluated program that simulates the motion of a nine-body solar system.<>

Published in:

Computer  (Volume:23 ,  Issue: 12 )