[plt-scheme] Typed-Scheme Memory Issues

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Wed Apr 8 09:18:04 EDT 2009

Is profiling turned on? (or maybe try disabling debugging?)


On Wednesday, April 8, 2009, Carl Eastlund <carl.eastlund at gmail.com> wrote:
> On Wed, Apr 8, 2009 at 5:25 AM, Paulo J. Matos <pocmatos at gmail.com> wrote:
>> On Wed, Apr 8, 2009 at 6:26 AM, Matthias Felleisen <matthias at ccs.neu.edu> wrote:
>>> It might still be worth examining why TS uses so much memory.
>>> Type checking should be linear in space in the source code,
>>> though I suspect that this is not quite true when you use
>>> unions and other commutative/associative things that require
>>> extra work. But, type checking 3000 lines of code should
>>> never use 2GB. -- Matthias
>> It seems it doesn't take that much space (if you use mzc)...
>> I guess there's something wrong between typed-scheme and drscheme.
>> Let me know what kind of debug I can provide to aid in your search for
>> a problem [I have no problems in sending you the files I am working
>> on, if you wish].
> Paulo,
> Have you tried writing untyped versions of the modules and
> compiling/running those?  That would be a quick way to see whether
> Typed Scheme is involved in this issue or not.  It could always be
> some other artifact of your code causing the blow-up in space and
> time.
> --Carl
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