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Zeitschriftenartikel

Victor Pankratius, Ali Jannesari, Walter F. Tichy, Parallelizing Bzip2: A Case Study in Multicore Software Engineering, IEEE Software, Vol. 26, (6), p. 70-77, Nov 2009 (Download: http://dx.doi.org/10.1109/MS.2009.183).

Zusammenfassung

As multicore computers become mainstream and the demand for parallel software increases, software developers need to know which approaches to parallelism work. A case study in which four teams competitively parallelized the Bzip2 compression algorithm illustrates the difficulties that arise when working with a nonnumeric, real application. The sequential code needed significant restructuring before parallelization could begin; restructuring consumed most of the development time. Parallelization at a high level resulted in significant speedups. Low-level, inner-loop parallelizations performed poorly. The case study yielded several other lessons learned.

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Institutsinterne Autoren

Institutsleitung
Prof. Tichy, Walter F.
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Alumni
Dr. Jannesari, Ali

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