From owner-freebsd-hackers@FreeBSD.ORG Wed Oct 3 18:41:14 2012 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 BFB8C106566B for ; Wed, 3 Oct 2012 18:41:14 +0000 (UTC) (envelope-from ryao@gentoo.org) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by mx1.freebsd.org (Postfix) with ESMTP id 99BE68FC0C for ; Wed, 3 Oct 2012 18:41:14 +0000 (UTC) Received: from [192.168.1.2] (pool-72-89-250-138.nycmny.fios.verizon.net [72.89.250.138]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: ryao) by smtp.gentoo.org (Postfix) with ESMTPSA id BBF8333C28D for ; Wed, 3 Oct 2012 18:41:12 +0000 (UTC) Message-ID: <506C866C.3050509@gentoo.org> Date: Wed, 03 Oct 2012 14:39:40 -0400 From: Richard Yao User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.7) Gecko/20120917 Thunderbird/10.0.7 MIME-Version: 1.0 To: freebsd-hackers@freebsd.org References: <5069C9FC.6020400@brandonfa.lk> <87549776-9051-4B4B-8D53-DAE6D51C2A94@kientzle.com> <20121002083634.3103fe958508a4026384ac96@yamagi.org> In-Reply-To: X-Enigmail-Version: 1.3.5 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigE37D80F93A1F4426230E160A" Subject: Re: SMP Version of tar 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, 03 Oct 2012 18:41:14 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigE37D80F93A1F4426230E160A Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 10/02/2012 03:06 AM, Adrian Chadd wrote: > .. please keep in mind that embedded platforms (a) don't necessarily > benefit from it, and (b) have a very small footprint. Bloating out the > compression/archival tools for the sake of possible SMP support will > make me very, very sad. >=20 >=20 >=20 > Adrian > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.o= rg" Someone might want to ask if parallelizing tar is even possible. tar is meant to serially write to tape. It should not be possible possible to parallelize that operation. I can imagine parallelizing compression algorithms, but I cannot imagine parallelizing tar. --------------enigE37D80F93A1F4426230E160A Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQIcBAEBAgAGBQJQbIZyAAoJECDuEZm+6Exk7isQAJEDfEZtmqYDYXQ3jm1EPRj9 m2yE+rK9oqTfOL4ifzQ85qJg+0AMaK7Oj5ZEN7yzXl4zjHKDG0CG5cM77lPQmGIs FAkn6v1lp2FUfqC6ooDjZmspMHoYAbr7rgLblqr4YEk7NaQOiNhg9kSGnD2YuRVE lwqF6oGw69LqcOUZ85mHiWeMgP3crZGrUkb8r4BLBNWF4rKK+frmnqoRYXcAqKs2 yhaf6Yz4R0xwUdAQc1Vp6nDzqrpvA053FCCYqfvky3CNdpIbbrzDhQ42vmrUprD+ YDvryOjCWfbuNaiECb6IqJY12JIBF+BSwYBvuXmPX/0B8qKbBrbN5bCGC7pc/4SE wewHDzWgV7nZ15CTMbpmk7LduLRtiMpjS9fy6Iwpd8l7qBb9CUt+05K3vnq+cwmp uwiKg79jFsK0ZgH9NK0hqsGZrCNzr+KWp0wfBrtcx8uHoLSlduaZMCnGyQDlZomb Y1PS9zUR16fScqUTk/I7Fbn+vSOcmkWar0nsKxEDaZ+eNfdETG1Sqdf8fg7j6QYn Uv0tE2f+D0e2Gzy6VLa7VLVDnllxt0ftR2PKqweM8usG3YrrptCC4QJbFdahCguY kANKI4bRIXw1Y8/hs9ztS3Ly7QGkYep5USDh4n6EfQXBZeaG0I8beRl5+Sqnit9+ +8UvpYBIGayyy+Y92bH6 =m1kV -----END PGP SIGNATURE----- --------------enigE37D80F93A1F4426230E160A--