• ResearchTopics

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

  • implement management (java.lang.management) VM interface as in HotSpot

  • evaluate LLVM as backend

  • enhance tgolem (http://stud4.tuwien.ac.at/~e9825234/tgolem/) and set up nightly runs

  • exception handling in C-code
  • lock inlining

  • lock reservation (http://www.research.ibm.com/trl/projects/jit/paper/p020-kawachiya.ps)

  • generate method locks via IR

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

  • VM/JIT testcases
  • SSA optimizations
  • ICMDs (IR) optimizations (e.g. final fields)
  • finish JVMTI
  • method-header changes
• taken
  • LSRA (Florian Fest)
  • array bound check removal (Vassil Nikolov)
  • rework internal UTF8 code (Andreas Hubert)
  • rework interpreter (Joseph Wenninger)

Diploma Thesis

• open
  • rework optimization framework
  • array transformations
• taken
  • SSA framework, LSRA register allocator (Christian Ulrich)
  • class hierarchy analyses (Carolyn Oates)
  • Locking, Threading (Stefan Ring)
  • GC (Michael Starzinger)
  • Sparc (Alexander Jordan)
  • Coldfire (Roland Lezuo)

  • StackMaps (Robert Schuster)

  • escape analysis (stack allocation, synchronisations removal) (Peter Molnar)
• done

  • Java on Cell/B.E. (Georg Sorst)

PhD Thesis

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