[M3devel] HEADS UP: Release engineering, was: Re: CM3 Release

[Tony Hosking]

Antony Hosking | Associate Professor | Computer Science | Purdue  
University
305 N. University Street | West Lafayette | IN 47907 | USA
Office +1 765 494 6001 | Mobile +1 765 427 5484



On 15 Apr 2009, at 02:56, Mika Nystrom wrote:

>
> I agree with what Hendrik says, but what about TYPECASE, ISTYPE,
> NARROW?  Those are necessary to make it possible to pass "pointers"
> with the low-order bit set outside of unsafe code.
>
> My feeling is that if Tony can make the necessary changes, it could
> be done immediately, and the language issues can be pushed to the
> future.  But admittedly I'm biased because of the application I'm
> working on.

I can take care of this next week.

> I need to get a recent CM3 up to test the TEXTs.... are they the
> default now?
>
>     Mika
>
> hendrik at topoi.pooq.com writes:
>> On Tue, Apr 14, 2009 at 12:02:17PM +0200, Olaf Wagner wrote:
>>> If anybody could test Rodney's TEXT changes and provide some
>>> information on the impacts on our applications, that would help a  
>>> lot.
>>>
>>> I also wasn't able to read and understand all the mails about  
>>> small objects.
>>> (Guessing, I'd say I'd need another day for that :-)
>>> Can anybody summarize?
>>> Has a conclusion been reached and what will be done/implemented?
>>> Is this relevant for the next release, or will it take longer?
>>
>> Deciding that the garbage collector should test for the low-order  
>> bit of
>> pointers and leave them alone if the bit is set could probably dop  
>> done
>> immediately, and would make it possible for users to build unsafe  
>> code
>> to do the small-objects stuff.  This could go in the next release if
>> the garbage-collector change wom't upset anything.
>>
>> There's still some discussion about just what form the final language
>> feature should take.  I don't know if that will be finished in time  
>> for
>> the release.
>>
>> -- hendrik
>>

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