Pajé, an interactive visualization tool for tuning multi-threaded parallel applications

This paper describes Pajé, an interactive visualization tool for displaying the execution of parallel applications where a potentially large number of communicating threads of various life-times execute on each node of a distributed memory parallel system. Pajé is capable of representing a wide vari...

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Bibliographic Details
Published inParallel computing Vol. 26; no. 10; pp. 1253 - 1274
Main Authors Chassin de Kergommeaux, J., Stein, B., Bernard, P.E.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.09.2000
Subjects
Interactivity
Modularity
Parallel program visualization
Performance and correctness debugging
Scalability
Threads
Threads
Parallel program visualization
Interactivity
Performance and correctness debugging
Scalability
Modularity
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Summary:This paper describes Pajé, an interactive visualization tool for displaying the execution of parallel applications where a potentially large number of communicating threads of various life-times execute on each node of a distributed memory parallel system. Pajé is capable of representing a wide variety of interactions between threads. The main characteristics of Pajé, interactivity and scalability, are exemplified by the performance tuning of a molecular dynamics application. In order to be easily extensible, the architecture of the system was based on components which are connected in a data flow graph to produce a given visualization tool. Innovative components were designed, in addition to “classical” components existing in similar visualization systems, to support scalability and interactivity.
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ISSN:0167-8191
1872-7336
DOI:10.1016/S0167-8191(00)00010-7