[MacRuby-devel] branches/experimental

[Jordan Breeding]

Well if you offer guidance and the target for 0.5 really is just "this  
year" then I might be able to give it a shot and help out.

Of course that also depends on whether I get a job immediately after  
graduation in August and how busy that keeps me.

On Mar 28, 2009, at 14:56, Laurent Sansonetti <lsansonetti at apple.com>  
wrote:

> Most likely 0.6, unless someone volunteers to do it now :-)
>
> Laurent
>
> On Mar 28, 2009, at 12:48 PM, Jordan Breeding wrote:
>
>> Will OSA support be a 0.5 or a 0.6 task?
>>
>> On Mar 28, 2009, at 14:37, Laurent Sansonetti  
>> <lsansonetti at apple.com> wrote:
>>
>>> Hi guys,
>>>
>>> As some of you already noticed we have been working on a branch  
>>> for a few weeks and I thought it's now time to describe what has  
>>> been done and were we are going exactly.
>>>
>>> I wrote a blog entry here: http://www.macruby.org/blog/2009/03/28/experimental-branch.html
>>>
>>> 2 big features in this branch: a LLVM-based JIT compiler and a new  
>>> IO subsystem. Obviously performance-related, we really need to be  
>>> faster.
>>>
>>> Current status of the branch:
>>>
>>> - The compiler is now able to pass most of the Ruby AST. It  
>>> compiles nodes directly from the parser in a lazy fashion.
>>> - Only JIT compilation for the moment (AOT is planned for later).
>>> - The VM is still under development, it's not as complete as the  
>>> compiler yet.
>>> - Early performance benchmarks are very promising.
>>> - By the time of this writing, we pass the vast majority of the  
>>> language RubySpecs (a week ago we weren't even able to even  
>>> bootstrap mspec!), about 1190 expectations. Work is very active in  
>>> this area, we are also making sure the specs do run with the  
>>> original Ruby 1.9 and writing missing specs.
>>> - The new IO subsystem is mostly functional, but there are still  
>>> many methods that are not implemented yet and we are working on  
>>> this. Once it will be complete we will integrate a default runloop  
>>> in the VM and expose asynchronous IOs.
>>>
>>> For the near future, the goals are:
>>>
>>> - Improving the compiler. Currently compile time has not really  
>>> been optimized yet.
>>> - Be able to run IRB. We are almost there.
>>> - Remove the libffi code used to call C/ObjC implementations and  
>>> instead JIT compile stubs and insert them in the dispatcher cache.  
>>> We should be way closer to ObjC then (and maybe faster once we  
>>> enable secondary compilations of hotspots and inline the stubs).
>>> - Rewrite the BridgeSupport side using LLVM types.
>>> - Implement full concurrent threading! (this is a big one :-)).
>>> - And many more (check the TODO file for more info).
>>>
>>> Once we arrive at a point when the branch is as functional as  
>>> trunk, it will be merged in trunk and we will then work on  
>>> stabilizing it, to later on release it as 0.5. The schedule for  
>>> this release is unknown, it will be released when it will be ready  
>>> (preferably this year though).
>>>
>>> If you want to help let me know!
>>>
>>> Laurent
>>> _______________________________________________
>>> MacRuby-devel mailing list
>>> MacRuby-devel at lists.macosforge.org
>>> http://lists.macosforge.org/mailman/listinfo.cgi/macruby-devel
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