alchemy is only good if you don't need to pass information back and forth from AS3 to C alot of times. So for instance, you would want to keep processing as long as you can within alchemy, before passing it back to AS3. A good example is JPEG encoding (and decoding done by ByteArray.org), where alot of processing can be done by alchemy before passing the encoded data back to flash, example:
http://segfaultlabs.com/blog/post/asynchronous-jpeg-encoding here you can also compare the time it takes native code and alchemy. but anyway.. getting a bit off-topic.. On Wed, Jan 6, 2010 at 6:38 PM, Meinte van't Kruis <mei...@gmail.com> wrote: > Joa Ebert's apparat can be found here: > http://blog.joa-ebert.com/2009/08/11/apparat-is-now-open-source/ > <http://blog.joa-ebert.com/2009/08/11/apparat-is-now-open-source/>As far > as Cannassa is concerned, he is best known for Haxe, which uses alchemy > opcodes here and > there(with his flash.memory implementation, but I'm no haxe expert), here > is the url: > http://ncannasse.fr/blog/virtual_memory_api > > Offcourse it all still runs in the same Flash sandbox, I believe the > performance gains are basically due to > the fact that alchemy compiled code can do memory access faster by using > opcodes which arent > available in AS3 (don't ask me why). Anyway, I'm no expert, but a bit of it > is explained here: > > http://ncannasse.fr/blog/adobe_alchemy > > On Wed, Jan 6, 2010 at 12:19 PM, John McCormack <j...@easypeasy.co.uk>wrote: > >> Meinte van't Kruis wrote: >> >>> Seeing the whole apparat project of Joa Ebert or the stuff Nicolas >>> Cannasse >>> >>> >> Are their projects available to see? >> >> implementing some alchemy to speed things up. >>> >>> >> As far as I understand it, the C++ code is still converted into Flash's >> byte codes, so any performance gain must have been from the algorithms in >> the C++ code. >> >> How much difference did it make? >> >> John >> >> >> >> On Tue, Jan 5, 2010 at 4:07 PM, Paul Andrews <p...@ipauland.com> wrote: >>> >>> >>> >>>> Meinte van't Kruis wrote: >>>> >>>> >>>> >>>>> Actually, I think performance should be on top of the priority list for >>>>> any >>>>> Flash developer. >>>>> Unresponsive flash apps are the number one irritation imho. >>>>> >>>>> >>>>> >>>>> >>>>> >>>> LOL, I have yet to write one and I have yet to use any techniques from >>>> my >>>> assembler or C++ days. In most cases Flash provides more than adequate >>>> responsiveness with very little special care. >>>> >>>> The top of the priority list is a user experience that makes the client >>>> happy and performance and responsiveness has yet to be a deciding issue. >>>> >>>> The most challenging responsiveness issue I have had has been parsing >>>> large >>>> text files for data (several megabytes in size) using AS2 while keeping >>>> a >>>> visualisation animating smoothly and preventing script time-outs. It was >>>> very much the rare exception. >>>> >>>> I realise that for some people manipulating large numbers of animated >>>> clips >>>> or sprites, performance could be an issue, but I think such applications >>>> of >>>> flash aren't the mainstream. >>>> >>>> Paul >>>> >>>> _______________________________________________ >>>> Flashcoders mailing list >>>> Flashcoders@chattyfig.figleaf.com >>>> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >>>> >>>> >>>> >>> >>> >>> >>> >>> >> >> >> _______________________________________________ >> Flashcoders mailing list >> Flashcoders@chattyfig.figleaf.com >> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders >> > > > > -- > Meinte van't Kruis > > Freelance Flash Platform Dev (mxml,actionscript,flex,air) > > malatze > http://www.malatze.com/ > http://www.linkedin.com/in/meinte > mei...@malatze.com > 0617459744 > -- Meinte van't Kruis Freelance Flash Platform Dev (mxml,actionscript,flex,air) malatze http://www.malatze.com/ http://www.linkedin.com/in/meinte mei...@malatze.com 0617459744 _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
