[PD] [PD-announce] share-mem lib
Hans-Christoph Steiner
hans at at.or.at
Fri Nov 2 16:03:36 CET 2012
The downside of using [declare -path ..] is that if someone edits an example and saves it somewhere else, it'll no longer work. An alternative is to use [declare -lib share-mem], then it'll work wherever as long as share-mem is installed. The downside there is that the library needs to be in the standard install location or the path in order for that to work. For development, I often put a symlink in ~/pd-externals to the folder in SVN, then it works everywhere.
.hc
On Nov 2, 2012, at 7:48 AM, Cyrille Henry wrote:
> yes, thanks!
> c
>
>
> Le 02/11/2012 12:34, Antoine Villeret a écrit :
>> nice work
>> thanks guys,
>>
>> maybe you can add a [declare -path ..] to all examples patches so that they will work just after the make
>>
>> ++
>> a
>>
>> --
>> do it yourself
>> http://antoine.villeret.free.fr
>> http://drii.ensad.fr
>> --
>> Google lit ce mail...
>> si vous refusez cela, utilisez l'adresse antoine.villeret [at] free.fr <http://free.fr> pour me contacter
>>
>>
>>
>> 2012/11/1 Cyrille Henry <ch at chnry.net <mailto:ch at chnry.net>>
>>
>>
>>
>> Le 01/11/2012 16:30, Hans-Christoph Steiner a écrit :
>>
>>
>> You can get binaries from any library in pure-data SVN based on the Library Template from the Jenkins build server. There will soon be a Windows builder there too. For example, here's a Mac OS X 32-bit i386 binary for shmem.pd_darwin:
>>
>> https://macosx105-i386.pdlab.__puredata.info/job/template-__libraries/label=macosx105-__i386/ws/share_mem/shmem.pd___darwin <https://macosx105-i386.pdlab.puredata.info/job/template-libraries/label=macosx105-i386/ws/share_mem/shmem.pd_darwin>
>>
>> You can browse available platforms here:
>> https://macosx105-i386.pdlab.__puredata.info/job/template-__libraries/ <https://macosx105-i386.pdlab.puredata.info/job/template-libraries/>
>>
>> Also, there is a shmem.pd_linux checked into SVN, that should be removed since it can be generated by typing 'make'.
>>
>> oups, my mistake.
>> i removed it.
>> cheers
>>
>> c
>>
>>
>> .hc
>>
>> On Nov 1, 2012, at 7:15 AM, Nicolas Montgermont wrote:
>>
>> btw : the object is still in development and may improve these days specially concerning the message syntax.
>> we may provide osx (and ubuntu) binaries after the testing period.
>> best,
>> n
>>
>> Le 01/11/12 10:24, Cyrille Henry a écrit :
>>
>> hello,
>>
>> for now, you'll have to grab sources from svn and compile it yourself.
>> examples should provide a quick overview of the usability.
>> cheers
>> c
>>
>> Le 01/11/2012 05:40, Phil Stone a écrit :
>>
>> Cyrille, this is very exciting. Where can we get more details?
>>
>>
>> Phil
>>
>>
>> On 10/31/12 4:19 PM, Cyrille Henry wrote:
>>
>> hello,
>>
>> i just did a initial commit of share-mem, a lib dedicated to deal with shared memory.
>>
>> background :
>> pd / pd~ communication is really slow. by example, having a pd~ patch with 8 audio in and 8 out, use about 50% cpu of a recent computer for each process only to deal with audio communication.
>> sending a large array from one process to the other is almost not possible in RT.
>> This really limit pd~ usability.
>>
>> -----
>>
>> Thanks to share memory, communication between process can be greatly improve.
>> This lib is mainly composed of an external, and few abstraction and examples.
>>
>>
>> Everything look stable, at least on a ubuntu (12.04) and a osX laptop.
>> Implementation follow POSIX standard, so it will unfortunately not work on windows.
>>
>> everything that I need is there, even if lot's more work could be made. I hope to have user feedback before making more development.
>>
>> Cheers
>> Cyrille
>>
>>
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