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Evaluation of Two Compiler-Based Approaches for the Parallelisation of an MPEG-2 Decoder
BibTeX
@MISC{Laffitte_evaluationof,
author = {Arnaud Laffitte and Rizos Sakellariou and John R. Gurd},
title = {Evaluation of Two Compiler-Based Approaches for the Parallelisation of an MPEG-2 Decoder},
year = {}
}
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Abstract
Abstract. In this paper, we evaluate two different approaches for the compiler-based parallelisation ofa C program for MPEG-2 decoding. The first approach experiments with a commercial uto-parallelising compiler for exploiting coarse-grain parallelism on a Silicon Graphics Power Chal-lenge, while the second approach experiments with a simple assembly code scheduler for exploiting instruction-level parallelism. Results ob-tained through the high-level auto-parallelisation f the code are disap-pointing, far from those that can be achieved through manual paralleli-sation. On the other hand, better results are achieved when exploiting instruction-level parallelism; the corresponding compiler technology ap-pears to be more efficient. 1 In t roduct ion In recent years, research developments into producing digital representations of audiovisual information have led to a whole spectrum of new needs and possi-bilities; applications uch as Digital Television have already become a practical
Keyphrases
mpeg-2 decoder compiler-based approach instruction-level parallelism second approach experiment simple assembly code scheduler different approach compiler-based parallelisation silicon graphic power chal-lenge roduct ion digital television digital representation first approach experiment whole spectrum audiovisual information manual paralleli-sation corresponding compiler technology ap-pears research development commercial uto-parallelising compiler recent year coarse-grain parallelism new need high-level auto-parallelisation mpeg-2 decoding
