[plt-scheme] PLT Scheme v370
I second that.
On 5/22/07, YC <yinso.chen at gmail.com> wrote:
> Just downloaded it and it feels A LOT faster on Windows! Thanks to you
> all!!! ;)
>
> yinso
>
>
> On 5/21/07, Eli Barzilay < eli at barzilay.org> wrote:
> > PLT Scheme version 370 is now available from
> >
> > http://download.plt-scheme.org/
> >
> > Some highlights:
> >
> > * The conservative garbage collector (CGC) has been replaced with a
> > precise garbage collector (3m) in the standard build. For most
> > users, this change simply amounts to "better performance in space
> > and time". For example, a long-running DrScheme instance typically
> > uses much less memory than before.
> >
> > The new memory manager also supports a new "Limit Memory..." option
> > (in DrScheme's "Scheme" menu) to limit the memory use of a
> > programming running inside DrScheme.
> >
> > For those who work with C-implemented libraries and extensions, the
> > switch to precise collection may complicate interoperability. To a
> > large extent, however, `(lib "foreign.ss")' works the same with both
> > collectors. (But note that the 3m is a moving collector, so be
> > careful with passing Scheme objects to C.)
> >
> > Although our pre-built binaries use the new collector, builds from
> > source using the conservative collector are still supported.
> >
> > * For a program written with one of the the "How to Design Programs"
> > (HtDP) languages, DrScheme saves the program with meta-information
> > that identifies the language and records the teachpacks used by the
> > program. DrScheme's teachpack GUI now works only with the HtDP
> > languages. In other languages, use `require' to access teachpacks.
> >
> > The meta-information is in the form of a reader extension that turns
> > the file content into a `module'-based program, which means that
> > teaching-language files can be loaded directly into MzScheme or used
> > with other PLT Scheme tools.
> >
> > * The HtDP "world.ss" and "image.ss" teachpacks have been revised,
> > including support for the creation of animated GIFs.
> >
> > * Unit-based servlets are no longer supported in the web server. Use
> > module-based servlets, instead. (Servlets can be implemented using
> > a `unit' within a `module', but the web server's API is provided
> > through a module.)
> >
> > * A new `(lib "unit.ss")' library replaces the old one and provides a
> > simpler and more flexible syntax. The `(lib "unitsig.ss")' library
> > is deprecated but still available as `(lib "unitsig200.ss")', and
> > the old `(lib "unit.ss")' is available as `(lib " unit200.ss")'.
> >
> > Feedback Welcome,
> > --
> > ((lambda (x) (x x)) (lambda (x) (x x))) Eli Barzilay:
> > http://www.barzilay.org/ Maze is Life!
> > _________________________________________________
> > For list-related administrative tasks:
> > http://list.cs.brown.edu/mailman/listinfo/plt-scheme
> >
>
>
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>