Research topics

These are some research topics for students (or other people) we are interested to get implemented. For more information please contact Andreas Krall.

Internship

• open
  • Fix invokeinterface/verifier problem (PR82, PR88, ...)

  • enhance JVMtester (http://mips.complang.tuwien.ac.at/hg/jvmtester/)

  • biased locking (http://blogs.sun.com/dave/entry/biased_locking_in_hotspot)

  • VM/JIT testcases
  • SSA optimizations
  • ICMDs (IR) optimizations (e.g. final fields)
  • array bound check removal
• taken
  • stack separation (David Flamme)
  • finish JVMTI (Michi)
  • lock inlining (Thomas Seidl)
  • LSRA (Emir Kumalic)
  • rework internal UTF8 code (Andreas Hubert ???)
  • rework interpreter (Joseph Wenninger ???)

Diploma Thesis

• open
  • rework optimization framework
  • array transformations
  • CACAO on bare hardware (without OS)
• taken
  • SSA framework, LSRA register allocator (Emir Kumalic))
  • GC (Michael Starzinger)
• done

  • StackMaps (Robert Schuster)

  • Sparc (Alexander Jordan)

  • Coldfire, PPC64 (Roland Lezuo)

  • Class hierarchy analyses (Carolyn Oates)

  • Java on Cell/B.E. (Georg Sorst)

  • Locking, Threading (Stefan Ring)

  • Escape analysis, stack allocation, SSA (paper) (Peter Molnar)

Ph.D. Thesis

• open
  • backend / optimizer generation from architecture descriptions
  • virtual machine for distributed memory architectures
  • Global Optimization over Exception throwing positions