From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RQat4-0005Dc-6G for garchives@archives.gentoo.org; Wed, 16 Nov 2011 08:30:34 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 4F3B321C12F; Wed, 16 Nov 2011 08:30:21 +0000 (UTC) Received: from svr-us4.tirtonadi.com (svr-us4.tirtonadi.com [69.65.43.212]) by pigeon.gentoo.org (Postfix) with ESMTP id 5089121C054 for ; Wed, 16 Nov 2011 08:29:32 +0000 (UTC) Received: from mail-bw0-f53.google.com ([209.85.214.53]) by svr-us4.tirtonadi.com with esmtpsa (TLSv1:RC4-SHA:128) (Exim 4.69) (envelope-from ) id 1RQas9-0029tj-Ef for gentoo-user@lists.gentoo.org; Wed, 16 Nov 2011 15:29:33 +0700 Received: by bkaq10 with SMTP id q10so300249bka.40 for ; Wed, 16 Nov 2011 00:29:27 -0800 (PST) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.205.83.73 with SMTP id af9mr27856701bkc.24.1321432167237; Wed, 16 Nov 2011 00:29:27 -0800 (PST) Received: by 10.223.74.16 with HTTP; Wed, 16 Nov 2011 00:29:27 -0800 (PST) Received: by 10.223.74.16 with HTTP; Wed, 16 Nov 2011 00:29:27 -0800 (PST) In-Reply-To: <201111160811.17331.stephane@22decembre.eu> References: <4EC2B642.3010500@gmail.com> <201111160811.17331.stephane@22decembre.eu> Date: Wed, 16 Nov 2011 15:29:27 +0700 Message-ID: Subject: Re: [gentoo-user] Re: Upgrading gcc: both 4.4 and 4.5 needed? From: Pandu Poluan To: gentoo-user@lists.gentoo.org Content-Type: multipart/alternative; boundary=bcaec554016aec46fd04b1d5e6cc X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - svr-us4.tirtonadi.com X-AntiAbuse: Original Domain - lists.gentoo.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - poluan.info X-Archives-Salt: 69264b2f-e39a-4371-a267-e24a354982b9 X-Archives-Hash: 05d2f2c0234a6c8b11b3f0e050d5df51 --bcaec554016aec46fd04b1d5e6cc Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On Nov 16, 2011 2:15 PM, "St=C3=A9phane Guedon" 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, --bcaec554016aec46fd04b1d5e6cc Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On Nov 16, 2011 2:15 PM, "St=C3=A9phane Guedon" <stephane@22decembre.eu> wrote:
>
> On Wednesday 16 November 2011 02:07:12 Pandu Poluan wrote:
> >
> > And if you're adventurous, add USE "graphite", reem= erge gcc, and reemerge
> > world :)
> >
> > Rgds,
>
> what does "graphite" add ?
>
> thanks
>

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.

Rgds,

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