[racket-dev] proposal: `data' collection

Wouldn't the more interesting thing be to measure the connectivity at the collects level (not the files) and to discover cycles in this graph? -- Matthias



On Jul 2, 2010, at 5:50 PM, Petey Aldous wrote:

> Here it is. This is a simplified dependency graph; rather than showing file-to-file dependencies, it shows file dependencies from collection to collection. Cheers!
> 
> - Petey
> 
> -----Original Message-----
> From: Jay McCarthy [mailto:jay.mccarthy at gmail.com] 
> Sent: Friday, July 02, 2010 5:22 AM
> To: Robby Findler
> Cc: Eli Barzilay; dev at racket-lang.org; Petey Aldous
> Subject: Re: [racket-dev] proposal: `data' collection
> 
> On Fri, Jul 2, 2010 at 5:17 AM, Robby Findler
> <robby at eecs.northwestern.edu> wrote:
>> Those numbers seem pretty small in today's disk sizes, but I do agree
>> that there is value in being able to divide up the distribution and to
>> be able to stratify things so we can better keep track of our
>> dependencies.
> 
> I feel like I routinely download programs and dev environments where
> the distribution is over 100MBs.
> 
>> (BTW, just a random question: have you thought about
>> trying to visualize the collection-level dependencies with, say, dot?)
> 
> My student did that. It is absurd. I'll CC him to get the image.
> 
> Jay
> 
>> 
>> It seems like you're after something that would allow multiple
>> collections with the same name. Is that part of it, all of it, or
>> mostly irrelevant to your main issue?
>> 
>> Robby
>> 
>> On Fri, Jul 2, 2010 at 1:15 AM, Eli Barzilay <eli at barzilay.org> wrote:
>>> [Sorry for the late reply.]
>>> 
>>> 
>>> On Jun 30, Matthias Felleisen wrote:
>>>> Which part is a symptom? My request for a description when there's
>>>> no owner?
>>>> 
>>>> The no-owner fact?
>>>> 
>>>> The unstable collects?
>>> 
>>> "All of the above."
>>> 
>>> Here are some questions that can demonstrate the problem better:
>>> 
>>> 1. What text would you expect to find in the "purpose.txt" file of
>>>  `unstable'?  Of `data'?
>>> 
>>> 2. My course code is installed in a local collection named `pl'.  Why
>>>  would I need to rename it if a new `pl' module was added to the
>>>  racket distribution?
>>> 
>>> 3. Say that you want to install apache on your machine.  What would
>>>  you think if your OS tells you that you need to install powerpoint
>>>  for that?
>>> 
>>> 4. Assuming that there is a `data' collection with a few known data
>>>  structures implemented, what happens when there's another data
>>>  structure that happens to be just the thing for some project X
>>>  and otherwise it's not too useful, or at least it seems that way.
>>>  Why can't project X come with a new data/foo module?
>>> 
>>> In any case, keep in mind that there is another way to make me stop
>>> saying "coherent" and "package" -- give up the idea of ever getting a
>>> smaller racket distribution, and the problem is solved.  We won't even
>>> need the distribution specs, since everything will be included...
>>> (From my POV, this would work out great since it looks like the
>>> general attitude towards it is that it's just something that *I*
>>> choose to be concerned with, and otherwise there's no problems.)
>>> 
>>> For reference, here's a table of installer sizes (the Windows one,
>>> which has the highest compression) and source bundle size (the unix
>>> one, which has the highest compression in the sources bundles), with
>>> roughly one representative per year:
>>> 
>>>                bin   src
>>>     ver  year  size  size
>>>     ---  ----  ----  ----
>>>      53  1998  2.6M
>>>     103  2000  3.4M  4.6M
>>>     200  2001  4.3M  6.7M
>>>     203  2002  4.8M  6.0M
>>>     205  2003  5.8M  7.6M
>>>     209  2004  8.4M  11M
>>>     300  2005  12M   13M
>>>     372  2007  14M   15M
>>>     4.0  2008  22M   14M
>>>     4.2  2009  25M   15M
>>>     5.0  2010  28M   16M
>>> 
>>> --
>>>         ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
>>>                   http://barzilay.org/                   Maze is Life!
>>> _________________________________________________
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>>> http://lists.racket-lang.org/listinfo/dev
>>> 
>> _________________________________________________
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> 
> 
> 
> -- 
> Jay McCarthy <jay at cs.byu.edu>
> Assistant Professor / Brigham Young University
> http://teammccarthy.org/jay
> 
> "The glory of God is Intelligence" - D&C 93
> <dag.png>_________________________________________________
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