International Conference on Computational Science, ICCS 2011 Gleipnir: A Memory Analysis Tool | Zendy

Tomislav Janjusic | Zendy; Krishna Kavi | Zendy; Brandon Potter | Zendy

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International Conference on Computational Science, ICCS 2011 Gleipnir: A Memory Analysis Tool

Author(s) -

Tomislav Janjusic,

Krishna Kavi,

Brandon Potter

Publication year - 2011

Publication title -

procedia computer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.334

H-Index - 76

ISSN - 1877-0509

DOI - 10.1016/j.procs.2011.04.225

Subject(s) - computer science , code refactoring , profiling (computer programming) , cache , compiler , usable , data access , memory address , parallel computing , computer architecture , operating system , programming language , software , world wide web , semiconductor memory

This paper describes a program profiling and analysis tool called Gleipnir. Gleipnir collects memory access traces and associates each access with a specific program internal structure such as a thread, a function, a data structure or a scalar variable. The data provided by Gleipnir can be used to analyze how program variables and associated memory accesses map to L-1 as well as higher level cache memories. This information can be used to investigate techniques to refactor data or code to improve memory access performance. It is our hypothesis that optimizing cache performance at all levels is very important to both single-core and multi-core processors. In this paper we will describe the Gleipnir tool and some examples of its use in optimizing memory performance. The overall goal of our research is to develop techniques usable by application developers, compilers, and runtime systems to improve the performance of their applications

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