From owner-freebsd-hackers@FreeBSD.ORG Wed Jan 26 16:02:14 2011 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1CA60106566C for ; Wed, 26 Jan 2011 16:02:14 +0000 (UTC) (envelope-from kabaev@gmail.com) Received: from mail-qw0-f54.google.com (mail-qw0-f54.google.com [209.85.216.54]) by mx1.freebsd.org (Postfix) with ESMTP id BC3878FC0C for ; Wed, 26 Jan 2011 16:02:13 +0000 (UTC) Received: by qwj9 with SMTP id 9so1088631qwj.13 for ; Wed, 26 Jan 2011 08:02:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:date:from:to:cc:subject:message-id:in-reply-to :references:x-mailer:mime-version:content-type; bh=leFoZGTkqLxXtVxpYzl7Hj0UwSXmuvDRyVbtBWsp1Fo=; b=SD+Y0qK2aTl7IUHkmKuXh43NVPfsg0PoTAUwNo/EK5/VfZMhT/eDfwMPblVdW/rWcX hlsFZneB4dEBWMsXp/N1HN3dtCXGELHnt+QzwSSYY1WfAin+KokCRDnwlthZJ3sBdUsq yIdrKUkBpiX+1XLBFJ6efGrcgDz978BzeUi+o= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer :mime-version:content-type; b=HauoXBNNOX5Rw2yafGyFAiVD/GaK3ui5V9BrZtQyMfkYINNeCauu6i5cZra0/IszT8 LtxJCQDcaISg9iQTO2NdDcE1BjAsLjYqJ6JxZE3WUSzZin91+QYDWEqt1jadkd9EBeYY q0eqlDhHLMHi4V8+YGah69lidfY6Cvvor5gvM= Received: by 10.229.181.9 with SMTP id bw9mr525789qcb.143.1296057732767; Wed, 26 Jan 2011 08:02:12 -0800 (PST) Received: from kan.dnsalias.net (c-24-63-226-98.hsd1.ma.comcast.net [24.63.226.98]) by mx.google.com with ESMTPS id t7sm11091591qcs.4.2011.01.26.08.02.11 (version=SSLv3 cipher=RC4-MD5); Wed, 26 Jan 2011 08:02:11 -0800 (PST) Date: Wed, 26 Jan 2011 11:02:04 -0500 From: Alexander Kabaev To: "Mark Felder" Message-ID: <20110126110204.074b5844@kan.dnsalias.net> In-Reply-To: References: <20110125234911.223d8f75@kan.dnsalias.net> X-Mailer: Claws Mail 3.7.8 (GTK+ 2.22.1; amd64-portbld-freebsd9.0) Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/azEq504onH=hb/AypFpCqA0"; protocol="application/pgp-signature" Cc: freebsd-hackers@freebsd.org Subject: Re: rtld optimizations X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jan 2011 16:02:14 -0000 --Sig_/azEq504onH=hb/AypFpCqA0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Wed, 26 Jan 2011 09:25:27 -0600 "Mark Felder" wrote: > On Tue, 25 Jan 2011 22:49:11 -0600, Alexander Kabaev > wrote: >=20 > > The only extra quirk that said commit > > does is an optimization of a dlsym() call, which is hardly ever in > > critical performance path. >=20 > It's really not my place to say, but it seems strange that if an =20 > optimization is available people would ignore it because they don't > think it's important enough. I don't understand this mentality; if > it's not going to break anything and it obviously can improve > performance in certain use cases, why not merge it and make FreeBSD > even better? >=20 >=20 The link to patch with said optimization is provided and one would hope the next email on this thread provides something more alike to hard numbers proving that it actually helps, instead of mentality discussions. --=20 Alexander Kabaev --Sig_/azEq504onH=hb/AypFpCqA0 Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.16 (FreeBSD) iD8DBQFNQEWBQ6z1jMm+XZYRAjZ+AKDVLMZJd/Bss0XHO6Utmo53LExoSACdE/7L L4t0kO5xil3UgPhl4X1kP38= =WfM2 -----END PGP SIGNATURE----- --Sig_/azEq504onH=hb/AypFpCqA0--