[PD] [PD-announce] share-mem lib
ch at chnry.net
Thu Nov 1 10:22:17 CET 2012
Le 01/11/2012 04:04, Hans-Christoph Steiner a écrit :
> Sounds interesting, where do we find it?
i commit everything in pd svn : trunk/externals/share-mem
> On Oct 31, 2012, at 7:19 PM, Cyrille Henry wrote:
>> 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.
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