2025

• From Predator Plants to Concordance with Java

  airhacks.fm podcast • online, Germany • Feb 12, 2025 • with Adam Bien • Apple Podcasts, Google Podcasts, Spotify

2024

• Java 8 to 17+ Upgrade - Lessons Learned and Best Practices

  JCON • Köln, Germany • May 16, 2024 • slides , video

• From Java to Native in 80 Cycles

  JavaLand • Nürburgring, Germany • Apr 8, 2024 • slides , video

• Lessons Learned from
  Upgrading and Modernizing a Massive JVM Codebase at AWS

  Jfocus • Stockholm, Sweden • Feb 7, 2024 • slides , video

• Zeroing and the semantic gap between host and guest

  FOSDEM • Brussels, Belgium • Feb 3, 2024 • slides , video

2023

• FireCRaCer: The Best Of Both Worlds (extended version)

  jProfessional • Plovdiv, Bulgaria • Apr 1, 2023 • slides , video

• FireCRaCer: The Best Of Both Worlds

  FOSDEM • Brussels, Belgium • Feb 5, 2023 • slides , video

2022

• A fairy tale of zlib/zip compression in OpenJDK

  EclipseCon • Ludwigsburg, Germany • Oct 25, 2022 • slides , video

2019

• Birth, life and death of a class

  JEEConf • Kyiv, Ukraine • Apr 26, 2019 • slides , video

• Rumble in the Java Jungle

  FOSDEM • Brussels, Belgium • Feb 2, 2019 • slides , video

• Birth, Life and Death of a Class

  jProfessional • Sofia, Bulgaria • Jan 26, 2019 • slides

2018

• Class Data Sharing in the HotSpot VM

  IMWorld • Bucharest, Romania • Oct 2, 2018 • slides

• Class Data Sharing in the HotSpot VM

  JavaZone • Oslo, Norway • Sep 13, 2018 • slides , video

• HotSpot Intrinsics

  GeekOut • Tallinn, Estonia • Jun 8, 2018 • slides , video

• Class Data Sharing in the HotSpot VM

  jPrime • Sofia, Bulgaria • May 29, 2018 • slides , video

• Class Data Sharing in the HotSpot VM

  JEEConf • Kyiv, Ukraine • May 18, 2018 • slides , video

• Class Data Sharing in the HotSpot VM

  GeeCon • Poland, Krakow • May 11, 2018 • slides , video

• Class data sharing in the HotSpot VM

  JBreak • Novosibirsk, Russia • Mar 4, 2018 • slides , video

• Class Data Sharing
  Sharing Economy in the HotSpot VM

  FOSDEM • Brussels, Belgium • Feb 3, 2018 • slides , video

• Das kleine OpenJDK Einmaleins

  JUG Stuttgart • Stuttgart, Germany • Jan 24, 2018 • slides

2017

• Birth, life and death of a class

  Joker • Russia, St. Petersburg • Nov 4, 2017 • slides , video

• Java 9, ein Über- und Ausblick

  HackUndSoehne • Karlsruhe, Germany • Oct 25, 2017 • slides , video

• Analyzing HotSpot Crashes

  GeeCon • Czech Republic, Prague • Oct 20, 2017 • slides , video

• Analyzing HotSpot Crashes

  JavaOne • San Francisco, USA • Oct 4, 2017 • slides

• OpenJDK Ins and Outs

  JavaOne • San Francisco, USA • Oct 3, 2017 • slides

• HotSpot Internals: Signals, Safepoints and NullPointers

  GeekOut • Tallinn, Estonia • Jun 10, 2017 • slides , video

• Analyzing HotSpot Crashes

  JEEConf • Kyiv, Ukraine • May 26, 2017 • slides , video

• Analyzing HotSpot Crashes

  JPoint • Moscow, Russia • Apr 7, 2017 • slides , video

• Analyzing HotSpot Crashes

  JBreak • Novosibirsk, Russia • Apr 4, 2017 • slides , video

• Optimizing Errors Away

  FOSDEM • Brussels, Belgium • Feb 4, 2017 • slides , video

2016

• HotSpot Intrinsics

  JET • Byelorussia, Minsk • Nov 20, 2016 • slides , video

• HotSpot Internals: Safepoints, NullPointers and StackOverflows

  Joker • Russia, St. Petersburg • Oct 15, 2016 • slides , video

• Java and OpenJDK in Corporate Environments

  JavaOne • San Francisco, USA • Sep 19, 2016 • slides

• HotSpot Intrinsics

  JavaZone • Oslo, Norway • Sep 8, 2016 • slides , video

• HotSpot debugging at the OS level

  GeekOut • Tallinn, Estonia • Jun 10, 2016 • slides , video

• HotSpot Intrinsics

  JEEConf • Kyiv, Ukraine • May 20, 2016 • slides , video

• HotSpot Intrinsics

  JPoint • Moscow, Russia • Apr 22, 2016 • slides , video

• HotSpot Intrinsics

  JBreak • Novosibirsk, Russia • Mar 19, 2016 • slides , video

• The HotSpot Whitebox-Testing API

  FOSDEM • Brussels, Belgium • Jan 30, 2016 • slides

2015

• How «final» is final?

  Joker • Russia, St. Petersburg • Oct 16, 2015 • slides , video

• SAP JVM Internals

  JUG.RU • St. Petersburg, Russia • Oct 14, 2015 • slides , video

• How “Final” is Final

  JET • Byelorussia, Minsk • Sep 28, 2015 • slides , video

• Packed Objects, Object Layout & Value Types — a Survey

  JEEConf • Kyiv, Ukraine • May 22, 2015 • slides , video

• Packed Objects, Object Layout & Value Types - a Survey

  JPoint • Moscow, Russia • Apr 20, 2015 • slides , video

• Operation am offenen Herzen -
  Analyse der HotSpot Java VM im laufenden Betrieb

  JUG Mannheim • Mannheim, Germany • Mar 12, 2015 • slides

• Packed Objects, Object Layout & Value Types - a Survey

  FOSDEM • Brussels, Belgium • Jan 31, 2015 • slides

2014

• Open Heart Surgery:
  Analyzing and Debugging the HotSpot VM at the OS Level

  Joker • Russia, St. Petersburg • Oct 20, 2014 • slides , video

• Open Heart Surgery:
  Analyzing and Debugging the Java HotSpot VM at the OS Level

  JavaOne • San Francisco, USA • Oct 1, 2014 • slides

• OpenJDK PowerPC/AIX - Port Endgame

  FOSDEM • Brussels, Belgium • Feb 1, 2014 • with Götz Lindenmaier • slides

2013

• HotSpot Internals:
  How to Explore and Debug the OpenJDK VM at the OS Level

  JavaOne • San Francisco, USA • Sep 25, 2013 • with Götz Lindenmaier • slides

• OpenJDK Porting Experiences:
  The Good, the Bad, and the Downright Ugly

  JavaOne • San Francisco, USA • Sep 24, 2013 • with Steve Poole • slides

• Power to the People - the OpenJDK PowerPC/AIX Port

  FOSDEM • Brussels, Belgium • Feb 2, 2013 • with Steve Poole & Götz Lindenmaier • slides

2012

• All Power to OpenJDK:
  Porting the JDK to PowerPC and AIX

  JavaOne • San Francisco, USA • Oct 3, 2012 • with Steve Poole • slides

• OpenJDK JVM Internals

  JAX • Mainz, Germany • Apr 17, 2012 • slides

2011

• How to Contribute to the OpenJDK

  EclipseCon • Ludwigsburg, Germany • Nov 3, 2011 • slides

2008

• HotSpot development on Linux with NetBeans

  FOSDEM • Brussels, Belgium • Feb 24, 2008 • slides

2005

• Internationalization with JFC/Swing Look and Feels

  JavaOne • San Francisco, USA • Jun 29, 2005 • slides