<div dir="ltr">On Wed, Oct 2, 2013 at 2:36 PM, Jean-Daniel Dupas <span dir="ltr"><<a href="mailto:devlists@shadowlab.org" target="_blank">devlists@shadowlab.org</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div style="word-wrap:break-word">support.h includes windows.h on win32 platform.<div>
Does libstdc++ also include windows.h. I think this single include may be enough to explain the difference.</div></div></blockquote><div><br></div><div>It's a problem on Mac (and probably Linux) as well, <a href="http://llvm.org/PR14587">http://llvm.org/PR14587</a> , so maybe it's not just windows.h.</div>
<div><br></div><div>Looking forward to modules!</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div style="word-wrap:break-word"><div><div><br><div><br><div><div>Le 2 oct. 2013 à 22:19, Yaron Keren <<a href="mailto:yaron.keren@gmail.com" target="_blank">yaron.keren@gmail.com</a>> a écrit :</div><div><div class="h5">
<br><blockquote type="cite"><div dir="rtl"><div dir="ltr">Thanks, I see that now. It wasn't trivial for me...</div><div dir="ltr"><br></div><div dir="ltr">How can we understand why compiling the trivial program with libcxx is 3x slower vs with libstcd++ ?</div>


<div dir="ltr"><br></div><div dir="ltr">Yaron</div><div dir="ltr"><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div dir="ltr">2013/10/2 Joerg Sonnenberger <span dir="ltr"><<a href="mailto:joerg@britannica.bec.de" target="_blank">joerg@britannica.bec.de</a>></span></div>


<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><div>On Wed, Oct 02, 2013 at 06:45:06PM +0300, Yaron Keren wrote:<br>

> Joerg, I am ashmed to admit I have re-read the code and still can not<br>
> understand how basic_string uses tuple. How basic_string uses tuple?<br>
<br>
</div>basic_string -> __compressed_pair -> __libcpp_compressed_pair_imp<br>
-> tuple.<br>
<div><div><br>
Joerg<br>
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-- Jean-Daniel</div><div><br></div><div><br></div></span><br>

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