Online Lisp Meeting #3

[Michał "phoe" Herda]

The third meeting is over! Thanks to everyone who participated. YouTube
links are here:

* Reflections on the Future History of Arming Bears -
https://www.youtube.com/watch?v=WgYyujNP85g
* First-Class Global Environments -
https://www.youtube.com/watch?v=gE6SsLAZ4Mo

Please let me know if you'd like to talk about anything Lisp-related for
the future meetings - the slots for the next one are open, and I'll
gladly host anything from a full-sized talk to a series of lightning
talks, previews, and teasers.

Thanks, and Lisp you all later!
~phoe

On 10.06.2020 11:07, Michał "phoe" Herda wrote:
>
> Good morning, everyone! I am pleased to announce the third Online Lisp
> Meeting.
>
> There are two speakers for the third Online Lisp Meeting: Mark
> Evenson, the current maintainer of Armed Bear Common Lisp, and Robert
> Strandh, the initiator of SICL, the upcoming modular implementation of
> Common Lisp.
>
> Mark Evenson will talk about "Reflections on the Future History of
> Arming Bears".
>
>> With the recent releases of Armed Bear Common Lisp over the past six
>> months, the future of extending the implementation has come into
>> sharper focus.  The majority of this work has occurred within the
>> head of one individual with little chance for public review and
>> reflection, we believe that an externalized exposition of the
>> reasoning behind these efforts would be of interest to those
>> interested in the future history of Common Lisp implementations.
>>
>> Most notably, with abcl-1.6.0 we extended the set of underlying Java
>> Virtual Machines (JVM) that the implementation runs on to include
>> openjdk11 and openjdk14 while maintaining compatibilty with openjdk6.
>> And with the internal overhaul or arrays specialized on unsigned
>> bytes in abcl-1.7.0, we made it possible to share such byte vectors
>> with memory allocated outside of the hosting JVM via system
>> interfaces such as malloc().  We first present the goals and
>> challenges in affecting these changes within the ABCL codebase. 
>> Then, we use this initial exposition to serve as a springboard to
>> discuss outstanding needed changes in the ABCL 1 branch, and to
>> outline some of the features intended to be present in ABCL 2, due to
>> be released in the Fall of 2020.
>>
> Robert Strandh will talk about First-Class Global Environments in
> Common Lisp.
>
>> At the European Lisp Symposium in 2015, we presented a paper entitled
>> "First-class Global Environments in Common Lisp".  There are several
>> possible use cases for such environments.  In this presentation, we
>> investigate the use of such environments at run time for so-called
>> "sandboxing", i.e., to allow only a pre-selected set of
>> functionalities to be visible to application code.  In particular, we
>> demonstrate the main idea that allows such environments to be used
>> with no performance loss in almost all cases.
> As before, the talk will be pre-recorded and played back on Twitch,
> with the ability to comment on the Twitch chat during playback.
> Afterwards, we will have an online drink and chat on Jitsi. The videos
> will then make it onto YouTube.
>
> Date/time/location:
>
>   * Date: 15th June 2020
>   * Time: 13:00 CEST - https://time.is/en/CEST
>   * Talk: https://www.twitch.tv/TwitchPlaysCommonLisp
>   * Hangout: https://chat.heisig.xyz/TwitchPlaysCommonLisp
>
> Massive thanks to Marco Heisig for providing the Jitsi instance where
> we can hang out after the talk.
>
> A mailing list has been created for the purpose of organizing and
> promoting the online talks. Further announcements will be posted
> there. See https://mailman.common-lisp.net/listinfo/online-lisp-meets
>
> Everyone, please feel free and welcome to suggest your own ideas and
> record something that you'd like to talk about and share - along with
> times and dates when I should play them.
>
> BR and see you!
> Michał "phoe" Herda
>
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