Self-Sustaining Systems

1. Front Matter

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2. Invited Talks

   1. Open, Extensible Object Models

      • Ian Piumarta, Alessandro Warth

      Pages 1-30

   2. The Lively Kernel A Self-supporting System on a Web Page

      • Daniel Ingalls, Krzysztof Palacz, Stephen Uhler, Antero Taivalsaari, Tommi Mikkonen

      Pages 31-50

   3. On Sustaining Self

      • Richard P. Gabriel

      Pages 51-53

3. Research Papers

   1. Huemul – A Smalltalk Implementation

      • Guillermo Adrián Molina

      Pages 54-73

   2. SBCL: A Sanely-Bootstrappable Common Lisp

      • Christophe Rhodes

      Pages 74-86

   3. Reflection for the Masses

      • Charlotte Herzeel, Pascal Costanza, Theo D’Hondt

      Pages 87-122

   4. Back to the Future in One Week — Implementing a Smalltalk VM in PyPy

      • Carl Friedrich Bolz, Adrian Kuhn, Adrian Lienhard, Nicholas D. Matsakis, Oscar Nierstrasz, Lukas Renggli et al.

      Pages 123-139

   5. Are Bytecodes an Atavism?

      • Theo D’Hondt

      Pages 140-155

4. Back Matter

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The Workshop on Self-sustaining Systems (S3) is a forum for the discussion of topics relating to computer systems and languages that are able to bootstrap, implement, modify, and maintain themselves. One property of these systems is that their implementation is based onsmall but powerfulabstractions;examples include (amongst others) Squeak/Smalltalk, COLA, Klein/Self, PyPy/Python, Rubinius/Ruby,andLisp.Suchsystemsaretheenginesoftheirownreplacement, giving researchers and developers great power to experiment with, and explore future directions from within, their own small language kernels. S3 took place on May 15–16, 2008 at the Hasso-Plattner-Institute (HPI) in Potsdam, Germany. It was an exciting opportunity for researchers and prac- tioners interested in self-sustaining systems to meet and share their knowledge, experience, and ideas for future research and development. S3 provided an - portunity for a community to gather and discuss the need for self-sustainability in software systems, and to share and explore thoughts on why such systems are needed and how they can be created and deployed. Analogies were made, for example, with evolutionary cycles, and with urban design and the subsequent inevitable socially-driven change. TheS3participantsleftwithagreatersenseofcommunityandanenthusiasm for probing more deeply into this subject. We see the need for self-sustaining systems becoming critical not only to the developer’s community, but to e- users in business, academia, learning and play, and so we hope that this S3 workshop will become the ?rst of many.

• Lisp
• Python
• Ruby
• bytecode
• computer
• implementation
• object models
• pypy
• smalltalk

• Hasso Plattner Institute for Software Systems Engineering, Potsdam, Germany

  Robert Hirschfeld

• Viewpoints Research Institute, Glendale, USA

  Kim Rose

Policies and ethics