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Date: Wed, 16 Nov 2011 15:29:27 +0700
Message-ID: <CAA2qdGVqzVu-qredyoDyt5ba+i4nso_8Py0vcmrs9KAsXr=usw@mail.gmail.com>
Subject: Re: [gentoo-user] Re: Upgrading gcc: both 4.4 and 4.5 needed?
From: Pandu Poluan <pandu@poluan.info>
To: gentoo-user@lists.gentoo.org
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On Nov 16, 2011 2:15 PM, "St=C3=A9phane Guedon" <stephane@22decembre.eu> wr=
ote:
>
> On Wednesday 16 November 2011 02:07:12 Pandu Poluan wrote:
> >
> > And if you're adventurous, add USE "graphite", reemerge gcc, and
reemerge
> > world :)
> >
> > Rgds,
>
> what does "graphite" add ?
>
> thanks
>

It makes gcc-4.5.3 use a newer method to detect parallelism, thus
(potentially) makes programs compiled by gcc to have better multithreaded
performance.

Rgds,

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<p><br>
On Nov 16, 2011 2:15 PM, &quot;St=C3=A9phane Guedon&quot; &lt;<a href=3D"ma=
ilto:stephane@22decembre.eu">stephane@22decembre.eu</a>&gt; wrote:<br>
&gt;<br>
&gt; On Wednesday 16 November 2011 02:07:12 Pandu Poluan wrote:<br>
&gt; &gt;<br>
&gt; &gt; And if you&#39;re adventurous, add USE &quot;graphite&quot;, reem=
erge gcc, and reemerge<br>
&gt; &gt; world :)<br>
&gt; &gt;<br>
&gt; &gt; Rgds,<br>
&gt;<br>
&gt; what does &quot;graphite&quot; add ?<br>
&gt;<br>
&gt; thanks<br>
&gt;</p>
<p>It makes gcc-4.5.3 use a newer method to detect parallelism, thus (poten=
tially) makes programs compiled by gcc to have better multithreaded perform=
ance.</p>
<p>Rgds,<br>
</p>

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