Projects

• OORS: An Object-Oriented Rewrite System for Retargetable Code Generation and Optimization.

Publications

Journal Papers

1. Branch Target Buffers: WCET Analysis Framework and Timing Predictability
   D. Grund, J. Reineke, and G. Gebhard
   Journal of Systems Architecture, 57 (6), 2011. [doi]  [pdf]  [bib]
   

   @ARTICLE{Grund10b,
      author = {Daniel Grund and Jan Reineke and Gernot Gebhard},
      title = {Branch Target Buffers: {WCET} Analysis Framework and Timing Predictability},
      journal = {Journal of Systems Architecture},
      year = {2011},
      volume = {57},
      pages = {625--637},
      number = {6},
      doi = {10.1016/j.sysarc.2010.05.013},
      issn = {1383-7621},
      url = {http://rw4.cs.uni-saarland.de/~grund/papers/jsa10-BTBs.pdf}
    }

2. Predictability Considerations in the Design of Multi-Core Embedded Systems
   C. Cullmann, C. Ferdinand, G. Gebhard, D. Grund, C. Maiza, J. Reineke, B. Triquet, S. Wegener, and R. Wilhelm
   Ingénieurs de l'Automobile, 807, 2010. [bib]
   

   @ARTICLE{Cullmann10a,
      author = {Christoph Cullmann and Christian Ferdinand and Gernot Gebhard and Daniel Grund and Claire Maiza and Jan Reineke and Beno\^it Triquet and Simon Wegener and Reinhard Wilhelm},
      title = {Predictability Considerations in the Design of Multi-Core Embedded Systems},
      journal = {Ing\'enieurs de l'Automobile},
      year = {2010},
      volume = {807},
      pages = {36--42},
      month = {September},
      issn = {0020-1200}
    }

3. OORS: An Object-Oriented Rewrite System
   G. Gebhard, and P. Lucas
   Computer Science and Information Systems (ComSIS), 4 (2), 2007. [bib]
   

   @ARTICLE{Gebhard07b,
      author = {Gernot Gebhard and Philipp Lucas},
      title = {{OORS}: An Object-Oriented Rewrite System},
      journal = {Computer Science and Information Systems (ComSIS)},
      year = {2007},
      volume = {4},
      pages = {1--26},
      number = {2},
      month = {December}
    }

Collections

4. Meeting Real-Time Requirements with Multi-core Processors
   D. Kästner, M. Schlickling, M. Pister, C. Cullmann, G. Gebhard, R. Heckmann, and C. Ferdinand
   Computer Safety, Reliability, and Security, Springer, 2012. [doi]  [bib]
   

   @INCOLLECTION{Kaestner12,
      author = {Daniel Kästner and Marc Schlickling and Markus Pister and Chritoph Cullmann and Gernot Gebhard and Reinhold Heckmann and Christian Ferdinand},
      title = {Meeting Real-Time Requirements with Multi-core Processors},
      booktitle = {Computer Safety, Reliability, and Security},
      publisher = {Springer},
      year = {2012},
      editor = {Ortmeier, Frank and Daniel, Peter},
      volume = {7613},
      series = {Lecture Notes in Computer Science},
      pages = {117--131},
      doi = {10.1007/978-3-642-33675-1_10},
      isbn = {978-3-642-33674-4}
    }

Conference Papers

5. Software Structure and WCET Predictability
   G. Gebhard, C. Cullmann, and R. Heckmann
   Bringing Theory to Practice: Predictability and Performance in Embedded Systems, 2011. [doi]  [url]  [bib]
   

   @INPROCEEDINGS{Gebhard11,
      author = {Gernot Gebhard and Christoph Cullmann and Reinhold Heckmann},
      title = {Software Structure and {WCET} Predictability},
      booktitle = {Bringing Theory to Practice: Predictability and Performance in Embedded Systems},
      year = {2011},
      editor = {Philipp Lucas and Lothar Thiele and Benoit Triquet and Theo Ungerer and Reinhard Wilhelm},
      volume = {18},
      series = {OpenAccess Series in Informatics (OASIcs)},
      pages = {1--10},
      address = {Dagstuhl, Germany},
      publisher = {Schloss Dagstuhl--Leibniz-Zentrum fuer Informatik},
      doi = {10.4230/OASIcs.PPES.2011.1},
      isbn = {978-3-939897-28-6},
      issn = {2190-6807},
      url = {http://drops.dagstuhl.de/opus/volltexte/2011/3083},
      urn = {urn:nbn:de:0030-drops-30836}
    }

6. Predictability Considerations in the Design of Multi-Core Embedded Systems
   C. Cullmann, C. Ferdinand, G. Gebhard, D. Grund, C. Maiza, J. Reineke, B. Triquet, and R. Wilhelm
   Proceedings of Embedded Real Time Software and Systems, 2010. [pdf]  [bib]
   

   @INPROCEEDINGS{Cullmann10,
      author = {Christoph Cullmann and Christian Ferdinand and Gernot Gebhard and Daniel Grund and Claire Maiza and Jan Reineke and Beno\^it Triquet and Reinhard Wilhelm},
      title = {Predictability Considerations in the Design of Multi-Core Embedded Systems},
      booktitle = {Proceedings of Embedded Real Time Software and Systems},
      year = {2010},
      pages = {36--42},
      month = {May},
      url = {http://www.erts2010.org/Site/0ANDGY78/Fichier/PAPIERS%20ERTS%202010/ERTS2010_0049_final.pdf}
    }

7. Timing Anomalies Reloaded
   G. Gebhard
   Proceedings of 10th International Workshop on Worst-Case Execution Time (WCET) Analysis, 2010. [bib]
   

   @INPROCEEDINGS{Gebhard10,
      author = {Gernot Gebhard},
      title = {Timing Anomalies Reloaded},
      booktitle = {Proceedings of 10th International Workshop on Worst-Case Execution Time ({WCET}) Analysis},
      year = {2010},
      editor = {Bj\"orn Lisper},
      pages = {5--15},
      month = {July},
      publisher = {Austrian Computer Society},
    }

8. Branch Target Buffers: WCET Analysis Framework and Timing Predictability
   D. Grund, J. Reineke, and G. Gebhard
   15th International Conference on Embedded and Real-Time Computing Systems and Applications, RTCSA 2009, 2009. [doi]  [pdf]  [slides]  [bib]
   

   @INPROCEEDINGS{Grund09a,
      author = {Daniel Grund and Jan Reineke and Gernot Gebhard},
      title = {Branch Target Buffers: {WCET} Analysis Framework and Timing Predictability},
      booktitle = {15th International Conference on Embedded and Real-Time Computing Systems and Applications, RTCSA 2009},
      year = {2009},
      month = {August},
      doi = {10.1109/RTCSA.2009.8},
      slides = {http://rw4.cs.uni-saarland.de/~grund/talks/rtcsa09-btb.pdf},
      url = {http://rw4.cs.uni-saarland.de/~grund/papers/rtcsa09-BTBs.pdf}
    }

9. WCET Analysis for Preemptive Systems
   S. Altmeyer, and G. Gebhard
   Proceedings of the 8th International Workshop on Worst-Case Execution Time (WCET) Analysis, 2008. [bib]
   

   @INPROCEEDINGS{Altmeyer08,
      author = {Sebastian Altmeyer and Gernot Gebhard},
      title = {{WCET} Analysis for Preemptive Systems},
      booktitle = {Proceedings of the 8th International Workshop on Worst-Case Execution Time ({WCET}) Analysis},
      year = {2008},
      editor = {Raimund Kirner},
      pages = {105--112},
      address = {Prague, Czech Republic},
      month = {July},
      publisher = {OCG},
    }

10. OORS: An Object-Oriented Rewrite System with Applications in Retargetable Code Generation and Optimization
    G. Gebhard, and P. Lucas
    Proceedings of the 1st Workshop on Advances in Programming Languages (WAPL'07), 2007. [bib]
    

    @INPROCEEDINGS{Gebhard07a,
       author = {Gernot Gebhard and Philipp Lucas},
       title = {{OORS}: An Object-Oriented Rewrite System with Applications in Retargetable Code Generation and Optimization},
       booktitle = {Proceedings of the 1st Workshop on Advances in Programming Languages (WAPL'07)},
       year = {2007},
       editor = {Marjan Mernik},
       pages = {1057--1069},
       month = {October}
     }

11. Optimal Task Placement to Improve Cache Performance
    G. Gebhard, and S. Altmeyer
    Proceedings of the 7th ACM Conference on Embedded Systems Software (EMSOFT'07), 2007. [bib]
    

    @INPROCEEDINGS{Gebhard07,
       author = {Gernot Gebhard and Sebastian Altmeyer},
       title = {Optimal Task Placement to Improve Cache Performance},
       booktitle = {Proceedings of the 7th ACM Conference on Embedded Systems Software (EMSOFT'07)},
       year = {2007},
       pages = {259--268},
       month = {October},
       location = {Salzburg, Austria}
     }

MSc Theses

12. A Pattern Matcher Generator for Retargetable Code Generation and Optimisation
    G. Gebhard
    Universität des Saarlandes, 2006. [pdf]  [bib]
    

    @MASTERSTHESIS{Gebhard06,
       author = {Gernot Gebhard},
       title = {A Pattern Matcher Generator for Retargetable Code Generation and Optimisation},
       school = {Universit\"at des Saarlandes},
       year = {2006},
       url = {http://rw4.cs.uni-saarland.de/~gebhard/diplom.pdf}
     }

Selected Talks

• Gernot Gebhard and Sebastian Altmeyer. Optimal Task Placement to Improve Cache Performance. 7th ACM Conference on Embedded Systems Software (EMSOFT'07), Salzburg, October 2007. [ .pdf ]

Supervised Theses

• Maël Hörz. Cache-Aware Procedure Placement at Compile-Time. Bachelor Thesis.

Address

AbsInt Angewandte Informatik GmbH
Science Park 1
66123 Saarbrücken
GERMANY

E-Mail: gebhard(at)absint(dot)com
Phone: +49-681-383-6036