Ruby conference in Prague

This weekend took a place in Prague Europian Ruby Conference (Euruko2008). I've been invited there by Roman Strobl as someone who's interested in Ruby (actually i did QA on initial phases of Ruby support in NetBeans 6.0, later on Ruby debugger). I can say i like Ruby not only because of Rails framework, but beause of powerful and nice language constructs - I have to confess that I have a lot of things to learn to be able to call myself "Ruby programmer"
Even if the invitation came on Thursday (and you know, you already got some plans for a weekend...), I managed some time to attend at least three presentations. My notices and impressions:
  1. Keynote was presented by Yukihiro Matsumoto (AKA "Matz"). Matz is a chief designer of Ruby language, and spoke about Ruby concepts in past, present and future. Maybe it's a bit pitty that his presentation was a keynote, I'd really appriciate to hear from him more detailed vision of what Ruby 2.0 will be like.
  2. Next speaker was Koichi Sasada, author of YARV, virtual machine for interpreting Ruby code. He focuses mainly on performace, in his presentation outlined techniques of paralelization (and synchronization) in his VM, and showed some benchmarks. Very interesting - at least for me - since I'm interested in such a "low level" stuff.
  3. Last presentation was JRuby, by JRuby guys Charles Nutter and Thomas Enbo. They clarified that Java!=Java programming language, and were talking about (and also showing in "eye candy" style) how fast can Ruby run in JVM. Great lesson for everyone who is scared of slowness when there's "J" in front of some name - definitly not true here
As usual - some pictures:


Charles Nutter is fine-tuning JRuby presentation.


Matz enjoyed his presentation, so did the audience.


Koichi showing a slide that proves that 1:1 threading model is the best..we have to believe him


Thomas and Charles are presenting JRuby.

P.S.: Can anyone point me to slides from this conference (if there's any global storage)?
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