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Optimal Record and Replay for Debugging of Nondeterministic MPI/PVM Programs

机译:用于不确定MPI / PVM程序调试的最佳记录和重放

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摘要

Record and Replay technique has been proved an effective solution to cyclic debugging of nondeterministic parallel program. Because of nondeterminism, a parallel program given the same inputs on successive runs can sometimes produces different results. In this paper, an optimal record and replay technique is presented, which produces less overhead in time and space by using the non-overtading rule provided by MPI and PVM.
机译:记录和重放技术已被证明是对不确定性并行程序进行循环调试的有效解决方案。由于不确定性,在连续运行中给定相同输入的并行程序有时会产生不同的结果。本文提出了一种最佳的记录和重放技术,该技术通过使用MPI和PVM提供的非重叠规则,可以在时间和空间上产生较少的开销。

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