[MacRuby-devel] zlib status

[Eloy Duran]

Hey Laurent,

Fair enough, point taken :)

Eloy

On 19 aug 2009, at 00:20, Laurent Sansonetti wrote:

> Hi Eloy,
>
> I would also love to have a ffi-based zlib but we need zlib urgently  
> for RubyGems and I don't think our FFI implementation will be ready  
> soon. It is still our objective to finish FFI and maybe we can  
> quickly rewrite the extension in pure Ruby for the release. The  
> current extension is anyway imported from the original Ruby project,  
> we just need to tweak it a little bit so that it works with the GC  
> and the new ByteString class.
>
> Laurent
>
> On Aug 18, 2009, at 3:13 PM, Eloy Duran wrote:
>
>> Hey Patrick,
>>
>> How about the getting the ffi zlib implementation to work? Seems to  
>> me that it would kill two birds with one stone, i.e. getting FFI in  
>> a more usable state and a C backed zlib implementation.
>>
>> Eloy
>>
>> On 18 aug 2009, at 23:52, Patrick Thomson wrote:
>>
>>> Hi everyone,
>>>
>>> I'm working on porting ext/zlib to MacRuby right now. I took a  
>>> look at zliby - though it's certainly nice to have a zlib  
>>> implementation in pure Ruby, zliby seems to be kind of dead in the  
>>> water (according to its RubyForge page, it hasn't been updated in  
>>> almost a year).
>>> Additionally, zliby is orders of magnitude slower than ext/zlib  
>>> (decompressing a 2MB gzipped MP3 with ext/zlib took 0.064 seconds  
>>> with ext/zlib and 73.909 seconds (yes, over a minute) with zliby).
>>> Porting the library will take a little while, as for performance  
>>> reasons zlib needs to use ByteStrings. So be patient, and it'll be  
>>> here before you know it. :-)
>>>
>>> -- Patrick
>>>>> >  We are almost there, Etc, Zlib and Socket are still missing.
>>>>> >  Last I heard, Laurent had a "plan" for Zlib, knowing him,  
>>>>> it's probably a
>>>>> >  great and efficient idea.
>>>>> >  Make sure to check with him before starting on that. (running  
>>>>> some
>>>>> >  benchmarks on zliby wouldn't hurt anyone)
>>>>> >
>>>>> >  Once function_method will be working again, many more stdlibs  
>>>>> should also
>>>>> >  be in a better shape (Math, CMath etc..)
>>>>> >
>>>>> >  There is a lot of work being done, unfortunately not much we  
>>>>> can see yet.
>>>>> >
>>>>> >  - Matt
>>>>>
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>>
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