Introducing the open trace format (OTF)

  • Authors:
  • Andreas Knüpfer;Ronny Brendel;Holger Brunst;Hartmut Mix;Wolfgang E. Nagel

  • Affiliations:
  • ZIH, TU Dresden, Germany;ZIH, TU Dresden, Germany;ZIH, TU Dresden, Germany;ZIH, TU Dresden, Germany;ZIH, TU Dresden, Germany

  • Venue:
  • ICCS'06 Proceedings of the 6th international conference on Computational Science - Volume Part II
  • Year:
  • 2006

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Abstract

This paper introduces the new Open Trace Format. The first part provides a small overview about Trace Format Libraries in general and existing Formats/Libraries and their features. After that the important requirements are discussed. In particular it concerns efficient parallel and selective access to trace data. The following part presents design decisions and features of OTF comprehensively. Finally, there is some early evaluation of OTF. It features comparison of storage size for several examples as well as sequential and parallel I/O benchmarks. At the end, a conclusion will summarize the results and give some outlook.