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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;mso-fareast-language:EN-US">Simon<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Glasgow-haskell-users [mailto:glasgow-haskell-users-bounces@haskell.org]
<b>On Behalf Of </b>Paolino<br>
<b>Sent:</b> 01 May 2015 09:42<br>
<b>To:</b> glasgow-haskell-users@haskell.org<br>
<b>Subject:</b> Re: Increased memory usage with GHC 7.10.1<o:p></o:p></span></p>
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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 <a href="https://hackage.haskell.org/package/OpenGLRaw-2.4.1.0/docs/src/Graphics-Rendering-OpenGL-Raw-Functions.html">Graphics.Rendering.OpenGL.Raw.Functions</a>.
With -O0 it uses 600 MB. <o:p></o:p></p>
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The file is really huge, but I could compile it with prior versions of ghc.<o:p></o:p></p>
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Regards <o:p></o:p></p>
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paolino<o:p></o:p></p>
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2015-04-17 1:33 GMT+02:00 David Laing <<a href="mailto:dave.laing.80@gmail.com" target="_blank">dave.laing.80@gmail.com</a>>:<o:p></o:p></p>
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Hi all,<o:p></o:p></p>
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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:<br>
<br>
<a href="https://www.haskell.org/cabal/users-guide/installing-packages.html#sandboxes-advanced-usage" target="_blank">https://www.haskell.org/cabal/users-guide/installing-packages.html#sandboxes-advanced-usage</a><o:p></o:p></p>
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<br>
Cheers,<o:p></o:p></p>
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Dave<o:p></o:p></p>
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On Fri, Apr 17, 2015 at 6:01 AM, Michal Terepeta <<a href="mailto:michal.terepeta@gmail.com" target="_blank">michal.terepeta@gmail.com</a>> wrote:<o:p></o:p></p>
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Hi Richard,<br>
<br>
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.<o:p></o:p></p>
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For anyone interested about CallArity slowness, the problem is tracked in <a href="https://ghc.haskell.org/trac/ghc/ticket/10293" target="_blank">https://ghc.haskell.org/trac/ghc/ticket/10293</a><o:p></o:p></p>
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Cheers,<o:p></o:p></p>
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Michal<o:p></o:p></p>
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On Wed, Apr 15, 2015 at 1:40 AM Richard Eisenberg <<a href="mailto:eir@cis.upenn.edu" target="_blank">eir@cis.upenn.edu</a>> wrote:<o:p></o:p></p>
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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)!<br>
<br>
Thanks,<br>
Richard<br>
<br>
On Apr 14, 2015, at 9:09 PM, Joachim Breitner <<a href="mailto:mail@joachim-breitner.de" target="_blank">mail@joachim-breitner.de</a>> wrote:<br>
<br>
> Hi,<br>
><br>
> Am Dienstag, den 14.04.2015, 21:54 +0200 schrieb Michal Terepeta:<br>
>> On Mon, Apr 13, 2015 at 10:34 PM, Christiaan Baaij<br>
>> <<a href="mailto:christiaan.baaij@gmail.com" target="_blank">christiaan.baaij@gmail.com</a>> wrote:<br>
>>> Actually, I meant only with -fno-specialise.<br>
>><br>
>> Done. Helps quite a bit but CallArity is still a pretty expensive.<br>
><br>
> I’m on that, and I think I have a quite neat fix for it. I’ll report on<br>
> that in the trac ticket:<br>
> <a href="https://ghc.haskell.org/trac/ghc/ticket/10293#comment:4" target="_blank">
https://ghc.haskell.org/trac/ghc/ticket/10293#comment:4</a><br>
><br>
> Greetings,<br>
> Joachim<br>
><br>
> --<br>
> Joachim “nomeata” Breitner<br>
> <a href="mailto:mail@joachim-breitner.de" target="_blank">mail@joachim-breitner.de</a> •
<a href="http://www.joachim-breitner.de/" target="_blank">http://www.joachim-breitner.de/</a><br>
> Jabber: <a href="mailto:nomeata@joachim-breitner.de" target="_blank">nomeata@joachim-breitner.de</a> • GPG-Key: 0xF0FBF51F<br>
> Debian Developer: <a href="mailto:nomeata@debian.org" target="_blank">nomeata@debian.org</a><br>
> _______________________________________________<br>
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