<div>I understand that part, but the strings are generated from SDocs, and So unless internally SDoc doesn't use String then I'm afraid there's nothing I can do about that :/</div>
<div> </div>
<div>Or rather, Is there a way to efficiently make CWStrings from SDocs?</div>
<div> </div>
<div>Regards,</div>
<div>Phyx<br><br></div>
<div class="gmail_quote">On Tue, Jul 13, 2010 at 6:56 PM, Thomas DuBuisson <span dir="ltr"><<a href="mailto:thomas.dubuisson@gmail.com">thomas.dubuisson@gmail.com</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">That code is effectively copying the data (thats what those peeks /<br>pokes do), so it stands to reason it would be slow by most performance<br>
standards. The reason ByteStrings are fast when used both by C and<br>Haskell is there is a zero-copy `useAsCString`.<br><br>Cheers,<br>Thomas<br>
<div>
<div></div>
<div class="h5"><br>On Tue, Jul 13, 2010 at 7:49 AM, Phyx <<a href="mailto:lonetiger@gmail.com">lonetiger@gmail.com</a>> wrote:<br>> Marshalling large amount of data from and to C<br>><br>> <a href="http://phyx.pastebin.com/WXGBr1bX" target="_blank">http://phyx.pastebin.com/WXGBr1bX</a> shows the code I use to do this (it's<br>
> autogenerated, so just looking at 1 block should be enough)<br>><br>> The tool is mine, so i can change the code it generates, but i would need to<br>> know how to do it better first.<br>><br>> On Tue, Jul 13, 2010 at 3:30 PM, Magnus Therning <<a href="mailto:magnus@therning.org">magnus@therning.org</a>><br>
> wrote:<br>>><br>>> On Tue, Jul 13, 2010 at 13:29, Phyx <<a href="mailto:lonetiger@gmail.com">lonetiger@gmail.com</a>> wrote:<br>>> > Hello<br>>> ><br>>> > I'm wondering if anyone ever benchmarked marshalling in Haskell/GHC. No<br>
>> > matter how much I optimize my Haskell code my program still seems to run<br>>> > slow, which leads me to beleive that Marshalling is painfully slow.<br>>> ><br>>> > Does anyone know a way I can test this and fix it?<br>
>><br>>> What kind of marshalling are you referring to?<br>>><br>>> /M<br>>><br>>> --<br>>> Magnus Therning (OpenPGP: 0xAB4DFBA4)<br>>> magnus＠therning．org Jabber: magnus＠therning．org<br>
>> <a href="http://therning.org/magnus" target="_blank">http://therning.org/magnus</a> <a href="http://identi.ca/" target="_blank">identi.ca</a>|twitter: magthe<br>><br>><br></div></div>> _______________________________________________<br>
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><br>><br></blockquote></div><br>