Dipl.-Ing. Dr. Matthias Grimmer Oracle Labs Altenberger Straße 69 4040 Linz, Austria ORCID: orcid.org/0000-0003-4295-1579

Teaching

2016S

2016S: Softwareentwicklung Übung (Software Engineering 2)
2016S: Praktische Informatik 2 Übung
2016S: Dynamic Compilation and Run-time Optimization in Virtual Machines
2016S: Projektpraktikum, Bachelorarbeit (Bachelor's projects and theses)

2015W

2015W: Übungen zu Grundlagen der Programmierung
2015W: Projektpraktikum, Bachelorarbeit (Bachelor's projects and theses)

2015S

2015S: Softwareentwicklung Übung (Software Engineering 2)
2015S: Dynamic Compilation and Run-time Optimization in Virtual Machines
2015S: Projektpraktikum, Bachelorarbeit (Bachelor's projects and theses)

2014W

2014W: Übungen zu Grundlagen der Programmierung
2014W: Projektpraktikum, Bachelorarbeit (Bachelor's projects and theses)

2014S

2014S: Softwareentwicklung Übung (Software Engineering 2)
2014S: Projektpraktikum, Bachelorarbeit (Bachelor's projects and theses)

Master Thesis Co-Advisor

• Reinhard Umgeher: Maxine Structured Assembler, August 2016
  
• Stefan Rumzucker: A Web Framework for Interactive Trace Visualization, May 2016
  
• David Leopoldseder: Graal AOT JS: A Java to JavaScript Compiler, July 2015
  
• Ingomar Wesp: Dynamic Visualization of Compiler Graphs, June 2015
  
• Robert Ebetsberger-Katerl: String Optimizations for Graal, May 2014
  
• Thomas Feichtinger: Truffle/Clojure: An AST-Interpreter for the Clojure programming language, February 2014
  

Bachelor Thesis Advisor

• Emre Dursun: Execution of Haskell on top of Sulong, ongoing
  
• Edvin Herac: A CUDA API for Truffle, ongoing
  
• Jacob Kreindl: A Test Framework for SpiderMonkey Tests on Graal.js, September 2016
  
• Kevin Zeilinger: Fuzz-Testing of Array Implementations in Graal.js, May 2016
  
• Markus Wagner: Visualization of Huge Datasets in HTML 5 and JavaScript, October 2015
  
• Jakob Stieblehner: A Clang IR Serialization Tool, October 2015
  
• Gabriel Schörghuber: Cross-Language Interoperability between Java and a Simple Language, October 2015
  
• Philip Miesbauer: Big Data Visualization in Web Applications, October 2015
  
• Jose Illescas: Cross-Language Iterator based on Truffle, October 2015
  
• Lukas Ehrenfellner: A Rule-based Validation Framework for Truffle-based AST Interpreters, October 2015
  
• Thomas Böhm: An Array-Implementation for a Simple Truffle Language Implementation, October 2015
  
• Karl Kronberger: A Compressed Logging Stream for Graal, October 2015
  

Research

Research Interests

• Optimizations
• Virtual Machines
• Compilers & Interpreters
• Language Interoperability
• Security: Memory safety and tainting

Publications

• Trace-based Register Allocation in a JIT Compiler
  Josef Eisl, Matthias Grimmer, Doug Simon, Thomas Würthinger, and Hanspeter Mössenböck
  PPPJ '16 Proceedings of the 2016 International Conference on Principles and Practices of Programming on the Java Platform: Virtual Machines, Languages, and Tools, 2016
  
  
• Sulong - Execution of LLVM-Based Languages on the JVM
  Manuel Rigger, Matthias Grimmer, and Hanspeter Mössenböck
  ICOOOLPS'16 Proceedings of the 11th Workshop on Implementation, Compilation, Optimization of Object-Oriented Languages, Programs and Systems, 2016
  
  
• Cross-Language Interoperability in a Multi-Language Runtime
  Matthias Grimmer
  PhD's thesis, Johannes Kepler University Linz, October 2015
  
  
• High-performance cross-language interoperability in a multi-language runtime

  Matthias Grimmer, Chris Seaton, Roland Schatz, Thomas Würthinger, Hanspeter Mössenböck
  DLS 2015 Proceedings of the 11th Symposium on Dynamic Languages, 2015
• Memory-safe Execution of C on a Java VM

  Matthias Grimmer, Roland Schatz, Chris Seaton, Thomas Würthinger, Hanspeter Mössenböck
  PLAS'15 Proceedings of the 10th ACM Workshop on Programming Languages and Analysis for Security, 2015
• Dynamically composing languages in a modular way: supporting C extensions for dynamic languages

  Matthias Grimmer, Chris Seaton, Thomas Würthinger, Hanspeter Mössenböck
  MODULARITY 2015 Proceedings of the 14th International Conference on Modularity, 2015
• High-performance language interoperability in multi-language runtimes

  Matthias Grimmer
  SPLASH '14 Proceedings of the companion publication of the 2014 ACM SIGPLAN conference on Systems, Programming, and Applications: Software for Humanity, 2014
• TruffleC: dynamic execution of C on a Java virtual machine

  Matthias Grimmer, Manuel Rigger, Roland Schatz, Lukas Stadler, Hanspeter Mössenböck
  PPPJ '14 Proceedings of the 2014 International Conference on Principles and Practices of Programming on the Java platform: Virtual machines, Languages, and Tools, 2014
• An efficient approach for accessing C data structures from JavaScript

  Matthias Grimmer, Thomas Würthinger, Andreas Wöß, Hanspeter Mössenböck
  ICOOOLPS '14 Proceedings of the 9th International Workshop on Implementation, Compilation, Optimization of Object-Oriented Languages, Programs and Systems PLE, 2014
• An efficient native function interface for Java

  Matthias Grimmer, Manuel Rigger, Lukas Stadler, Roland Schatz, Hanspeter Mössenböck
  PPPJ '13 Proceedings of the 2013 International Conference on Principles and Practices of Programming on the Java Platform: Virtual Machines, Languages, and Tools, 2013
• A Runtime Environment for the Truffle/C VM
  Matthias Grimmer
  Master's thesis, Johannes Kepler University Linz, November 2013
  
  

Activities

• Virtual Machine Meetup (VMM'16)
  Program committee member, 2016
  
• Workshop on Virtual Machines and Intermediate Languages (VMIL'16)
  Program committee member, 2016
  
• 1st Workshop on ReUsable and Modular Programming Language Ecosystems (RUMPLE'16)
  Workshop organizer, 2016
  
• Central European Journal of Computer Science
  Review, 2016
  
• Journal of Object Technology
  Review, 2016
  
• Elsevier Computer Languages, Systems & Structures (COMLAN)
  Review for a special issue for the top GPCE 2015 papers, 2016
  
• 11th Implementation, Compilation, Optimization of Object-Oriented Languages, Programs and Systems Workshop (ICOOOLPS'16)
  Program committee member, 2016
  
  

Other Activities

Non-academic talks

• Java Student User Group / Java User Group Austria
  Invited talk: One VM To Rule Them All - And With High-Performance Bind Them, TU Wien, 2015
  
• Technologieplauscherl
  Invited talk: One VM To Rule Them All - And With High-Performance Bind Them, Dynatrace Linz, 2015
  
• eJUG Austria
  Invited talk: One VM To Rule Them All - And With High-Performance Bind Them, Linz, 2015
  
• Science Slam Linz
  Alles begann mit Legos..., Linz, 2015
  

Event organization

• Traumberuf Technik
  Workshop for prospective students: Turbobeschleunigung von Computerprogrammen, Traumberuf Technik, 2016
  
• Lange Nacht der Forschung
  Workshop for adults: Turbobeschleunigung von Computerprogrammen, LNDF, 2016
  
• KinderUni
  Workshop for children: Kinder Uni Linz - Wie Computer den kürzesten Weg finden: Algorithmen zur Routenoptimierung, KinderUni, 2016
  
• Frauen in die Technik (FIT)
  Workshop for prospective students: Turbobeschleunigung von Computerprogrammen, FIT, 2016
  
• KinderUni
  Workshop for children: Kinder Uni Linz - Wie Computer den kürzesten Weg finden: Algorithmen zur Routenoptimierung, KinderUni, 2015
  

Other

• Public Speaking
  I'm president of the Blue Danube Speakers, a Toastmasters club in Linz.