<div dir="ltr"><div>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. <br><br></div><div>The file is really huge, but I could compile it with prior versions of ghc.<br><br></div><div>Regards <br><br></div><div>paolino<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2015-04-17 1:33 GMT+02:00 David Laing <span dir="ltr"><<a href="mailto:dave.laing.80@gmail.com" target="_blank">dave.laing.80@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div>Hi all,<br><br></div><div>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></div><div><br>Cheers,<br></div><br></div>Dave<br></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Apr 17, 2015 at 6:01 AM, Michal Terepeta <span dir="ltr"><<a href="mailto:michal.terepeta@gmail.com" target="_blank">michal.terepeta@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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.<div><br></div><div>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></div><div><br></div><div>Cheers,</div><div>Michal</div></div><div><div><br><div class="gmail_quote">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:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">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>
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