[racket-dev] release notes draft

From: Matthias Felleisen (matthias at ccs.neu.edu)
Date: Mon Jan 13 12:06:38 EST 2014

Use 'compiler performance' 

Avoid 'faster' without 'than' 



On Jan 13, 2014, at 12:05 PM, Sam Tobin-Hochstadt <samth at cs.indiana.edu> wrote:

> I don't like the use of "compilation" here, but I'm happy to drop "now".
> 
> Sam
> 
> On Mon, Jan 13, 2014 at 12:02 PM, Matthias Felleisen
> <matthias at ccs.neu.edu> wrote:
>> 
>> I would omit 'now' (that's the whole point of a release announcement) and I'd avoid the dangling comparison with
>> 
>> the Typed Racket compilation improved by 50% on some typed programs;
>> see http:// ...
>> 
>> 
>> 
>> 
>> 
>> 
>> On Jan 13, 2014, at 11:43 AM, Sam Tobin-Hochstadt <samth at cs.indiana.edu> wrote:
>> 
>>> Looks good.
>>> 
>>> On Mon, Jan 13, 2014 at 11:40 AM, Robby Findler
>>> <robby at eecs.northwestern.edu> wrote:
>>>> How about this bullet:
>>>> 
>>>> * Typed Racket is now 50% faster when type checking some programs.
>>>>  For example: http://bit.ly/1d0Ye4z
>>>> 
>>>> 
>>>> 
>>>> On Mon, Jan 13, 2014 at 9:56 AM, Sam Tobin-Hochstadt <samth at cs.indiana.edu>
>>>> wrote:
>>>>> 
>>>>> The graph is at:
>>>>> 
>>>>> http://drdr.racket-lang.org/28051/pkgs/typed-racket-pkgs/typed-racket-test/tests/typed-racket/succeed/new-metrics.rkt
>>>>> 
>>>>> Sam
>>>>> 
>>>>> On Mon, Jan 13, 2014 at 10:39 AM, Robby Findler
>>>>> <robby at eecs.northwestern.edu> wrote:
>>>>>> Okay, new version below. Thanks!
>>>>>> 
>>>>>> If there is a drdr graph that shows the 50% jump, I'd like to add that
>>>>>> pointer into the notes in the bullet you added, eg:
>>>>>> 
>>>>>> * Typed Racket is now 50% faster when type checking some large
>>>>>>  programs. See, for example:
>>>>>> http://drdr.racket-lang.org/...../bigfile.rkt
>>>>>> 
>>>>>> Robby
>>>>>> 
>>>>>> 
>>>>>> Racket 5.92 has a new package system, including a catalog of
>>>>>> hundreds of already-available packages. Please visit
>>>>>> 
>>>>>> http://pkgs.racket-lang.org/
>>>>>> 
>>>>>> for an overview of the packages.
>>>>>> 
>>>>>> Recent releases included the "beta" versions of the package system.
>>>>>> Racket version 6.0 incorporates many improvements suggested by these
>>>>>> preliminary experiences:
>>>>>> 
>>>>>> * A package is treated as a single collection by default, so it is even
>>>>>>  easier to use a Github repository as a package. Get started quickly:
>>>>>>    http://docs.racket-lang.org/pkg/getting-started.html
>>>>>> 
>>>>>> * DrRacket includes a new package manager GUI, available via the
>>>>>>  File|Package Manager ... menu item. The GUI is also available
>>>>>>  as a stand-alone program via the "gui-pkg-manager" package.
>>>>>> 
>>>>>> * The main Racket distribution has been separated into about 200
>>>>>>  packages. The Racket installer combines the core system with
>>>>>>  bundled versions of these packages.
>>>>>> 
>>>>>>  Alternatively, you may now install a Minimal Racket distribution ---
>>>>>>  which is about 1/10 the size of the main distribution --- and add
>>>>>> only
>>>>>>  those packages that you need.
>>>>>> 
>>>>>> * Package installation supports pre-built packages that include
>>>>>>  compiled byte code and rendered documentation, meaning packages can
>>>>>> be
>>>>>>  installed quickly when built versions are a available. All packages
>>>>>> in
>>>>>>  the main distribution are available in pre-built form.
>>>>>> 
>>>>>> Further improvements are in the works, including package documentation
>>>>>> on
>>>>>> the package-catalog web site.
>>>>>> 
>>>>>> COMPATIBILITY NOTE: PLaneT, the previous Racket package system,
>>>>>> will remain in place for the foreseeable future, but we expect
>>>>>> all package work to shift to the new system.
>>>>>> 
>>>>>> Beyond the package system, this release brings a number of other
>>>>>> changes:
>>>>>> 
>>>>>> * Racket's HTML documentation has a new and improved look, thanks to
>>>>>>  Matthew Butterick.
>>>>>> 
>>>>>> * Racket's JIT compiler supports the ARM architecture.
>>>>>> 
>>>>>> * Racket supports the Mac's Retina display mode.
>>>>>> 
>>>>>> * Typed Racket is now 50% faster when type checking some large
>>>>>>  programs.
>>>>>> 
>>>>>> * The profiler provides a new mode that uses the errortrace library to
>>>>>>  produce fine-grained profiles.
>>>>>> 
>>>>>> * A new contract profiler reports how much time programs spend checking
>>>>>>  contracts, and which contracts are most expensive.
>>>>>> 
>>>>>> * The math/flonum library exports fast 105-bit precision operations.
>>>>>> 
>>>>>> * Check Syntax handles generated identifiers, especially those
>>>>>>  introduced by struct (e.g. field selectors) and Redex (e.g., e_1,
>>>>>> e_2)
>>>>>> 
>>>>>> * 2htdp/batch-io includes functions for dealing with html/xml in files
>>>>>> and
>>>>>>  web sites as X-expressions plus conveniences for web-based graph
>>>>>> traversals.
>>>>>> 
>>>> 
>>>> 
>>> _________________________
>>> Racket Developers list:
>>> http://lists.racket-lang.org/dev
>> 



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