Lisp in the Cloud                                and       The Next Lisp Machine Will Be               Everywhere         ...
Bifurcated Lightning TalkSmall hacks thatmake Lisp webapps practical                   Grand vision of what               ...
Instant Lisp Web Servers                      Application!                                             WuWei              ...
Heroku CL Buildpack1) Get Heroku and Github accounts.2) Fork mtravers/heroku-cl-example heroku create -s cedar --    build...
Infrastructure TBD• Adding in a persistence layer  Heroku provides Postgres, hooking up  CLSQL• Security, Performance, Sca...
WuWei – Web toolkit• Philosophy: toolkit not platform• Continuation-based AJAX user interfaces• Server-side high-level DOM...
WuWei and ARC Challenge• Paul Graham’s test for a web language  (2008)http://www.paulgraham.com/arcchallenge.   html(wu-pu...
So What?• Why is Lisp interesting in today’s world?• We know it’s not just another  language, but what exactly does it off...
Habitable Software•   Richard Gabriel: software where “developers … place their hands on any    item without having to thi...
Next Grand Vision• What we should be building:  – All the interactive computational power of a Lisp    Machine  – in the w...
Conclusion• Lisp lowers barriers,• The Internet lowers barriers,• Herokulowers barriers,• Let’s keep doing more of  that.
End
Lisp in the Cloud
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Lisp in the Cloud

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Hacks to support Lisp web apps, and some grandiose theorizing about the nature and future of interactive computing.

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Lisp in the Cloud

  1. 1. Lisp in the Cloud and The Next Lisp Machine Will Be Everywhere Mike Travers mt@hyperphor.com Github: mtraversLisp BOF, 31 March 2012
  2. 2. Bifurcated Lightning TalkSmall hacks thatmake Lisp webapps practical Grand vision of what computing should be
  3. 3. Instant Lisp Web Servers Application! WuWei Portable Hunchentoot QuickLisp AllegroServeAlready forked on Github! Clozure CL SBCL Common Lisp Buildpack Heroku (Cedar Stack) EC2
  4. 4. Heroku CL Buildpack1) Get Heroku and Github accounts.2) Fork mtravers/heroku-cl-example heroku create -s cedar -- buildpackhttp://github.com/mtravers/heroku- buildpack-cl.git3) [add your stuff]4) git push heroku5) Voila, a Lisp-based website!
  5. 5. Infrastructure TBD• Adding in a persistence layer Heroku provides Postgres, hooking up CLSQL• Security, Performance, Scaling• Debugging tools (already an EVAL server)• Building a big application• Overtaking Rails
  6. 6. WuWei – Web toolkit• Philosophy: toolkit not platform• Continuation-based AJAX user interfaces• Server-side high-level DOM operations (update elements, visual effects, drag and drop)• High-level interfaces to in-place editing and autocomplete widgets• Login and session management• OAuth2 support (coming soon)• Runs in multiple Common Lisp implementations• Freely available under MIT Open Source License• In use: http://biocyc.org (SRI)• http://wuwei.nameor GitHubmtravers/wuwei
  7. 7. WuWei and ARC Challenge• Paul Graham’s test for a web language (2008)http://www.paulgraham.com/arcchallenge. html(wu-publish "/said" ((:form :action (wu-continuation (:args (foo)) ((:a href (wu-continuation () (:princfoo))) "Click me"))) ((:input :name "foo")) ((:input :type :submit))))• Pretty concise and you don’t have to invent a new language for it.
  8. 8. So What?• Why is Lisp interesting in today’s world?• We know it’s not just another language, but what exactly does it offer?
  9. 9. Habitable Software• Richard Gabriel: software where “developers … place their hands on any item without having to think deeply about where it is.”• Past Lisp Systems: – REPLs – LispM / Dynamic Windows / CLIM• Some of Mm Efforts – Skij (REPL in Java, 1997) – Children’s Visual Programming / Behave / Scratch – BioBike: through-the-web symbolic biocomputing• But today’s computational world is different: – Web, Mobile Devices – Distributed Systems, Web Services – Big Data – Social user experience – Social coding
  10. 10. Next Grand Vision• What we should be building: – All the interactive computational power of a Lisp Machine – in the world of the Web, Distributed Services, Big Data, Social Computing, etc.• Occupy Computation! – Make computational worlds visible, controllable, buildable, and habitable by the people who need to interact with them. – The computational world is increasingly indistinguishable from the real world, so this is a political imperative
  11. 11. Conclusion• Lisp lowers barriers,• The Internet lowers barriers,• Herokulowers barriers,• Let’s keep doing more of that.
  12. 12. End

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