Increased memory usage with GHC 7.10.1

[Carter Schonwald]

as a near term mitigation, could you enable having swap files on your VM ?

On Fri, May 1, 2015 at 5:00 AM, Paolino <paolo.veronelli at gmail.com> wrote:

> Ghc trac is not sending the verification emails and won't let me file a
> bug without. As soon as this gets fixed I will.
>
> Thanks
>
> paolino
>
> 2015-05-01 10:44 GMT+02:00 Simon Peyton Jones <simonpj at microsoft.com>:
>
>>  Can you open a ticket, please? And put as much data as you can.  Using
>> `-dshow-passes` (both for 7.10 and prior versions) and showing the output
>> would be helpful.
>>
>>
>>
>> Simon
>>
>>
>>
>> *From:* Glasgow-haskell-users [mailto:
>> glasgow-haskell-users-bounces at haskell.org] *On Behalf Of *Paolino
>> *Sent:* 01 May 2015 09:42
>> *To:* glasgow-haskell-users at haskell.org
>> *Subject:* Re: Increased memory usage with GHC 7.10.1
>>
>>
>>
>> Hello, I'm using ghc 7.10.1 to compile OpenGLRaw which is now impossible
>> with -O1 and -O2 due to "ghc : out of memory error" on a 4GB linux host.
>> The file making memory explode is
>> Graphics.Rendering.OpenGL.Raw.Functions
>> <https://hackage.haskell.org/package/OpenGLRaw-2.4.1.0/docs/src/Graphics-Rendering-OpenGL-Raw-Functions.html>.
>> With -O0 it uses 600 MB.
>>
>> The file is really huge, but I could compile it with prior versions of
>> ghc.
>>
>> Regards
>>
>> paolino
>>
>>
>>
>> 2015-04-17 1:33 GMT+02:00 David Laing <dave.laing.80 at gmail.com>:
>>
>>   Hi all,
>>
>> I've been playing around with profiling GHC recently, so I thought I'd
>> chime in with a pointer that might save people searching for the right docs
>> - you could configure a cabal sandbox to work with multiple version of ghc,
>> which I've found useful:
>>
>>
>> https://www.haskell.org/cabal/users-guide/installing-packages.html#sandboxes-advanced-usage
>>
>>
>> Cheers,
>>
>>
>>
>> Dave
>>
>>
>>
>> On Fri, Apr 17, 2015 at 6:01 AM, Michal Terepeta <
>> michal.terepeta at gmail.com> wrote:
>>
>>  Hi Richard,
>>
>> Thanks updating the ticket! What I did was: build GHC HEAD/7.8.4 with
>> build flavor 'prof' then get the haskell-src-exts sources, install the
>> dependencies and finally add +RTS -p -RTS to the cabal file and compile it,
>> the resulting ghc.prof contains the profiling information.
>>
>>
>>
>> For anyone interested about CallArity slowness, the problem is tracked in
>> https://ghc.haskell.org/trac/ghc/ticket/10293
>>
>>
>>
>> Cheers,
>>
>> Michal
>>
>>
>>
>> On Wed, Apr 15, 2015 at 1:40 AM Richard Eisenberg <eir at cis.upenn.edu>
>> wrote:
>>
>>  I've pasted Michal's numbers in #9630, which seems like a good place to
>> track this. Michal, would you mind fleshing out a bit precisely what you
>> did to get those numbers? That would be helpful (though you've already been
>> very helpful indeed in getting the data together)!
>>
>> Thanks,
>> Richard
>>
>> On Apr 14, 2015, at 9:09 PM, Joachim Breitner <mail at joachim-breitner.de>
>> wrote:
>>
>> > Hi,
>> >
>> > Am Dienstag, den 14.04.2015, 21:54 +0200 schrieb Michal Terepeta:
>> >> On Mon, Apr 13, 2015 at 10:34 PM, Christiaan Baaij
>> >> <christiaan.baaij at gmail.com> wrote:
>> >>> Actually, I meant only with -fno-specialise.
>> >>
>> >> Done. Helps quite a bit but CallArity is still a pretty expensive.
>> >
>> > I’m on that, and I think I have a quite neat fix for it. I’ll report on
>> > that in the trac ticket:
>> > https://ghc.haskell.org/trac/ghc/ticket/10293#comment:4
>> >
>> > Greetings,
>> > Joachim
>> >
>> > --
>> > Joachim “nomeata” Breitner
>> >  mail at joachim-breitner.de • http://www.joachim-breitner.de/
>> >  Jabber: nomeata at joachim-breitner.de  • GPG-Key: 0xF0FBF51F
>> >  Debian Developer: nomeata at debian.org
>> > _______________________________________________
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>>
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