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Structuring statement sequences in instance--based locality optimization

机译:在基于实例的局部性优化中构造语句序列

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Instance--based locality optimization [C. Leopold, Arranging statements and data of program instances for locality, Future Gen. Comput. Syst. 14 (1998) 293--311.] is a semi--automatic program restructuring method that reduces the amount of memory hierarchy traffic. The method imitates the human approach of considering several small program instances (PIs), optimizing the PIs by reordering their statements, and generalizing the structure of the optimized PIs to the program under consideration. This paper considers the generation of structured optimized PIs, which can be written compactly as a sequence of nested for-loops. We empirically establish an objective function that assesses the regularity of a statement sequence, and we integrate the function into the optimization algorithm of [C. Leopold, Arranging statements and data of program instances for locality, Future Gen. Comput. Syst. 14 (1998) 293--311. 1. Experimental results are also included.
机译:基于实例的位置优化[C. Leopold,为本地性安排程序实例的语句和数据,Future Gen.Comput。 Syst。 14(1998)293--311。]是一种半自动程序重组方法,可减少内存层次结构流量。该方法模仿了人工方法,即考虑几个小程序实例(PI),通过对它们的语句重新排序来优化PI,以及将优化的PI的结构推广到所考虑的程序。本文考虑了结构优化PI的生成,可以将其紧凑地编写为一系列嵌套的for循环。我们根据经验建立目标函数,以评估语句序列的规则性,并将函数集成到[C. Leopold,为本地性安排程序实例的语句和数据,Future Gen.Comput。 Syst。 14(1998)293--311。 1.实验结果也包括在内。

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