【摘要】 介绍了在基于IA64体系结构的高性能优化编译器ORC的性能调试阶段所开发的工具、利用的方法和积累的经验。实验数据部分给出了ORC性能调试阶段的实际情况,证明了文中介绍的工具、经验和方法在找到新的优化机会、快速定位并排除性能下降和保持性能稳步上升等多方面都是行之有效的。更多还原

【Abstract】 This paper introduces the methodology used in analyzing and tuning ORC (open research compiler), an open resource compiler based on IA64 architecture. It consists of a series of tools, methods and some experiences. Some successful stories and real performance trend can prove that it is a practical and effective methodology and it can also be used in the performance analysing and tuning of other applications.更多还原