Parallelizing scientific code with invasive interactive parallelization: a case study with reuseware
Proceedings of the 2008 compFrame/HPC-GECO workshop on Component based high performance
Challenges of evolving sequential to parallel code: an exploratory review
Proceedings of the 12th International Workshop on Principles of Software Evolution and the 7th annual ERCIM Workshop on Software Evolution
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We elaborate on reasoning in contemporary (semi) automatic parallelizing refactoring. As the main contribution we summarize contemporary approaches and show that all attempts to reason in parallelization thus far, have amounted to local code analysis given data and control dependencies. We conclude that, by retaining this perspective only, parallelization continues to exploit merely a subset of the reasoning methods available today and is likely to remain limited. To address this problem we suggest to expand the local analyses, such that, they take seriously relations between individual local parallelizing transformations. We argue that such a coupling allows to process sparser parallelizable constructs, such as, Producer-Consumer Coordination. We identify questions to be addressed to put this principle into action and report on-going work on (reasoning) mechanisms able to support this.