Tel_+49 681 302-2034
Address_Saarland Informatics Campus
Building E1 3
66123 Saarbrücken

Ralf Karrenberg

Research Interests

  • Compiler Construction (Code Generation, SIMD Vectorization, Data-Parallel Languages)
  • Computer Graphics (Ray Tracing, Shading Languages, Acceleration Structures)
  • SIMD Programming




  • Presburger Arithmetic in Memory Access Optimization for Data-Parallel Languages - FroCoS 2013 2013
    Karrenberg, R., Kosta, M. and Sturm, T.
    Frontiers of Combining Systems, 2013. [bib]
  • Improving Performance of OpenCL on CPUs - CC 2012
    Karrenberg, R. and Hack, S.
    Compiler Construction, 2012. [url] [bib]
  • Whole Function Vectorization
    Karrenberg, R. and Hack, S.
    International Symposium on Code Generation and Optimization, 2011. [doi] [url] [slides] [bib]
  • AnySL: Efficient and Portable Shading for Ray Tracing - HPG 2010
    Karrenberg, R., Rubinstein, D., Slusallek, P. and Hack, S.
    Proceedings of the Conference on High Performance Graphics, pages 97–105, Eurographics Association, 2010. [url] [slides] [bib]

MSc Thesis

  • Automatic Packetization
    Karrenberg, R.
    M.Sc. Thesis, Saarland University, 2009. [pdf] [bib]

BSc Thesis

  • Memory Aware Realtime Ray Tracing: The Bounding Plane Hierarchy
    Karrenberg, R.
    B.Sc. Thesis, Saarland University, 2007. [pdf] [bib]


Summer Term 2011

Winter Term 2010

Summer Term 2010


Please consider the project pages of AnySL and Whole-Function Vectorization for thesis topics and "HiWi" job offers.