[plt-scheme] typed scheme type checking takes very long

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Wed Feb 24 09:07:42 EST 2010

oh. Why are you doing that? Drscheme assumes that the standArd
libraries are all compiled already (since they are, in general, not
writeable by users).


On Wednesday, February 24, 2010, Tomi Neste <tomi.neste at gmail.com> wrote:
> On Wed, Feb 24, 2010 at 2:26 PM, Robby Findler <robby at eecs.northwestern.edu> wrote:
> On Wed, Feb 24, 2010 at 12:44 AM, Tomi Neste <tomi.neste at gmail.com> wrote:
>> On Tue, Feb 23, 2010 at 11:04 PM, Robby Findler
>> <robby at eecs.northwestern.edu> wrote:
>>> On Tue, Feb 23, 2010 at 3:00 PM, Sam Tobin-Hochstadt <samth at ccs.neu.edu>
>>> wrote:
>>> > You can also compile files with the 'mzc' command-line program, which
>>> > will both run faster and save the results of compilation and
>>> > typechecking.
>>> IIUC, the default settings in DrScheme (assuming you're using the
>>> Module language) will also have this effect; you may also see some
>>> speed up by choosing the "No debugging or profiling" in the "details"
>>> section of the language dialog. Note that your stack traces will get
>>> worse, tho (you'll still have some stack trace information, just not
>>> as much).
>>> Robby
>>> _________________________________________________
>>>  For list-related administrative tasks:
>>>  http://list.cs.brown.edu/mailman/listinfo/plt-scheme
>> IME "No debugging or profiling" and turning off "Preserve stacktrace" helps
>> a lot with Typed Scheme compilation performance. Interestingly when I'm
>> running from Emacs (using the excellent Geiser mode) compiling Typed Scheme
>> code is a lot faster than using DrScheme.
> Likely because you're running in a mode that is equivalent to
> disabling those things (the default from the commandline tools).
>> Regarding the "Populate compiled..." option, I assume it is supposed to
>> automatically compile to .zos when I run the module?
> Yes.
>> Either I'm doing
>> something wrong or it doesn't work since I don't see any compiled files in
>> my module directory...
> Look in compilled/drscheme/, relative to your source files.
> Robby
>  Hmm, I have /home/tomppa/Projects/collects/ included in my collections path and a file /home/tomppa/Projects/collects/foo/foo.ss in there.  I also have a symlink to my collects in ~/.plt-scheme/4.2.4/
> After I run the foo.ss from DrScheme there are still no .zos anywhere. I tried manually adding the compiled/drscheme directories first but no change. Running mzc from shell works fine.
> I have v4.2.4 running on Ubuntu but I think I didn't get it working with earlier versions (with XP & Ubuntu) either.
> --
> tomppa

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