[Haskell-cafe] Monad Transformer Space Leak

Petr Pudlák petr.mvd at gmail.com
Tue Apr 23 09:36:04 CEST 2013


I tested it on GHC 6.12.1, which wasn't affected by the recent "ackermann"
bug, but still it leaks memory.

Petr Pudlak


2013/4/22 Clark Gaebel <cgaebel at uwaterloo.ca>

> I don't have a copy of GHC HEAD handy, and don't have the time to set up
> the ecosystem myself to test this one bug.
>
> Would someone else with a copy lying around mind testing it out for me?
>
> Thanks,
>   - Clark
>
> On Monday, April 22, 2013, Joachim Breitner wrote:
>
>> Hi,
>>
>> Am Montag, den 22.04.2013, 16:44 -0400 schrieb Clark Gaebel:
>> > More interestingly, the problem goes away if I enable profiling.
>> > That's kind of worrisome.
>>
>> this part sounds similar than the recently discussed problem with the
>> ackermann function (http://hackage.haskell.org/trac/ghc/ticket/7850) –
>> maybe your code is only allocating stacks and nothing else? In that case
>> you can try with GHC HEAD and see if the problem is fixed.
>>
>> Greetings,
>> Joachim
>>
>>
>> --
>> Joachim "nomeata" Breitner
>> Debian Developer
>>   nomeata at debian.org | ICQ# 74513189 | GPG-Keyid: 4743206C
>>   JID: nomeata at joachim-breitner.de | http://people.debian.org/~nomeata
>>
>>
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