@InProceedings{Hellwagner2000b, author = {Hellwagner, Hermann and Leopold, Klaus and Schlatterbeck, Ralf and Weich, Carsten}, booktitle = {Proceedings Distributed and Parallel Systems}, title = {Performance Tuning of Parallel Real-Time Voice Communication Software}, year = {2000}, address = {Norwell, MA, USA}, editor = {Kascuk, Peter and Kotsis, Gabriele}, month = sep, pages = {57-60}, publisher = {Kluwer Academic Publishers}, abstract = {This paper describes an unconventional way to apply a performance analysis tool for parallel programs (Vampir) to understand and tune the performance of the real-time voice and data communication software running on top of Frequentis’ V4 switch. The execution schedule of the strictly time-triggered V4 switching software is computed off-line; analyzing the schedule to identify e.g. performance bottlenecks used to be a complex and time-consuming process. We present our approach to transform the V4 software schedule’s information into Vampir trace files and use this tool’s facilities to provide a visualization of the schedule. A case study illustrates the benefits of this approach.}, keywords = {This paper describes an unconventional way to apply a performance analysis tool for parallel programs (Vampir) to understand and tune the performance of the real-time voice and data communication software running on top of Frequentis’ V4 switch. The execution schedule of the strictly time-triggered V4 switching software is computed off-line; analyzing the schedule to identify e.g. performance bottlenecks used to be a complex and time-consuming process. We present our approach to transform the V4 software schedule’s information into Vampir trace files and use this tool’s facilities to provide a visualization of the schedule. A case study illustrates the benefits of this approach.}, language = {DE}, pdf = {https://www.itec.aau.at/bib/files/2000-0084-HHKL.pdf}, talktype = {none} }