以日志为特征的OpenMP并行和工作共享编译器OMPit的设计与实现

2011 Fourth International Symposium on Parallel Architectures, Algorithms and Programming Pub Date : 2011-12-09 DOI:10.1109/PAAP.2011.55

Qiuming Luo, Ye Cai, Chengjian Liu, Chang Kong

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引用次数: 1

摘要

有许多用于OpenMP基准测试的工具可以测量性能的各个方面，例如OpenMP指令的开销和整个系统的特征。但是我们缺乏一些工具来显示OpenMP程序完成运行时的工作共享细节。OMPit(用于辅导的OMPi)设计用于在运行期间提供工作共享信息，这些信息可用于辅导，并可能有助于调试或调优。工作共享日志包括三种不同工作共享行为的工作分配和时间戳。日志信息可以以文本文件或可视化图形的形式输出。给出了OMPit的设计，并详细讨论了如何将日志代码插入到OMPi编译器中。

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The Design and Implementation of OMPit: An OpenMP Compiler Characterized by Logs for Parallel and Work-Sharing

There are many tools for OpenMP benchmarking which measure the various aspects of the performance, such as the overheads of OpenMP directives and the characteristics of the whole system. But we lack some tools to show us the worksharing details when the OpenMP program finished running. The OMPit (OMPi for tutoring) is designed to provide the worksharing information during the running, which can be used for tutoring and might help debugging or tuning. The work-sharing logging includes the work assignment and the timestamps for three different work-sharing behaviors. The logging information can be output as a text files or visualized figures. The designing of OMPit is provided and the details of how to inserting the logging code into the OMPi compiler is discussed too.

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2011 Fourth International Symposium on Parallel Architectures, Algorithms and Programming

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