Enhanced Encoding Techniques for the Open Trace Format 2

Research output: Contribution to journalConference articleContributedpeer-review


Highly efficient encoding of event trace data is a quality feature of any event trace format. It not only enables measurements of long running applications but also reduces bias caused by intermediate memory buffer flushes. In this paper we present encoding techniques that will remarkably increase memory efficiency without introducing overhead for the compression. We applied these techniques to the Open Trace Format 2, a state-of-the-art Open Source event trace data format and library used by the performance analysis tools Vampir, Scalasca, and Tau. In addition, we show that these encoding techniques are a basic step in achieving a complete in-memory event trace workflow.


Original languageEnglish
Pages (from-to)1979-1987
Number of pages9
JournalProcedia Computer Science
Publication statusPublished - 2012


TitleInternational Conference on Computational Science 2012
SubtitleEmpowering Science through Computing
Abbreviated titleICCS 2012
Conference number12
Duration4 - 6 June 2012
LocationEmbassy Suites Omaha
CountryUnited States of America

External IDs

Scopus 84874405157
WOS 000306288400215



  • Encoding Techniques, Compression, Event Tracing, Trace Format, OTF2