Development of CLISP

Alin-Florin Rus-Rebreanu | 15 Feb 2011 17:12

Re: clisp proposal for google summer of code

On Tue, Feb 15, 2011 at 5:10 PM, Sam Steingold <sds <at> gnu.org> wrote:
> Hi,
>
>> * Alin-Florin Rus-Rebreanu <argoybpx <at> tznvy.pbz> [2011-02-15 15:34:18 +0200]:
>>
>> First of all sorry if this it bothers you that I've sent this as a
>> private email.
>
> good news are welcome on any medium, although it is best to use a
> mailing list.
> clisp-devel is the best venue, please subscribe and reply there.
>
>> I would be very interested in working on GNU CLISP on the
>> multithreading interface in or outside GSoC if someone is willing to
>> mentor this.
>
> we will be delighted to!
> Vladimir is our MT expert; he wrote most of it.
> He should be answering you questions about CLISP MT design.
> I will do my best helping you with various lesser issues.
> Bruno is our "elder statesman".
>
>> I was a student in GSoC 2010 [1] as part of RTEMS and I implemented
>> the support for posix asynchronous input output for their system
>> (aio_*() and lio_listio()) so I have a pretty good understanding of
>> the multithreading stuff required for such a project. I presented 2
>> implementation one based on the glibc desing and one redesinged by me
>> which is almost fully integrated in RTEMS, it only lacks the
>> lio_listio LIO_NOWAIT stuff on which I'm working right now.
>>

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Vladimir Tzankov | 15 Feb 2011 20:12

Re: clisp proposal for google summer of code

On 2/15/11, Alin-Florin Rus-Rebreanu <netblock <at> gmail.com> wrote:
> I see Sam forwarded my email to the development list, so there's not
> to much to be said. I've read Vladimir's mail and managed to find the
> relevant code, will try to dive in and come up with a mini-proposal
> (or questions) by the end of this week (still have one last exam at
> the university this semester).
>
> Hopefully this will be the beginning of a great experience, thanks for
> the support.

Hi Alin,

This was fast!
It's great to have another volunteer for mt - during last year I had
almost no time to work on the open issues.  Do not hesitate to ask
whatever questions you have here on clisp-devel list.

Vladimir

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Sam Steingold | 21 Mar 2011 17:10

Re: clisp proposal for google summer of code

GNU has been approved as a participating organization.
GNU CLISP is a part thereof, so if anyone is interested in
participating, now is the time to speak up!
Ideas in http://clisp.org/wanted.html et al are just that - ideas.
You do _NOT_ have to stick with them - make up your own project and
discuss it here, and if one of us will volunteer to mentor, you are in!

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Alin Rus | 21 Mar 2011 17:19

Re: clisp proposal for google summer of code

On Mon, Mar 21, 2011 at 6:10 PM, Sam Steingold <sds <at> gnu.org> wrote:
> GNU has been approved as a participating organization.
> GNU CLISP is a part thereof, so if anyone is interested in
> participating, now is the time to speak up!
> Ideas in http://clisp.org/wanted.html et al are just that - ideas.
> You do _NOT_ have to stick with them - make up your own project and
> discuss it here, and if one of us will volunteer to mentor, you are in!
>

Hello,

Had some medical issues lately but I'm working on a proposal for the GSoC.
I've watched Cliff's presentations and I understand the whole issue
with his lock-free hash, I have looked over the clisp implementation
and identified some of the relevant parts I still need to work on
figuring out the implications of the GC in this picture.

I see clozure[0] has already implemented this, with some modifications
and I've also found a C implementation of this algorithm on the gcc
wiki[1]. I'll keep in touch.

Regards,

[0] http://trac.clozure.com/ccl/wiki/Internals/LockFreeHashTables
[1] http://gcc.gnu.org/wiki/Atomic

--

-- 
Alin Rus

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