From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756330Ab2F0HRQ (ORCPT ); Wed, 27 Jun 2012 03:17:16 -0400 Received: from a.ns.miles-group.at ([95.130.255.143]:47834 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751960Ab2F0HRP (ORCPT ); Wed, 27 Jun 2012 03:17:15 -0400 Message-ID: <4FEAB36E.4030008@nod.at> Date: Wed, 27 Jun 2012 09:17:02 +0200 From: Richard Weinberger User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120427 Thunderbird/12.0.1 MIME-Version: 1.0 To: "Nikita V. Youshchenko" CC: Namjae Jeon , linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, adrian.hunter@intel.com, Heinz.Egger@linutronix.de, thomas.wucher@linutronix.de, shmulik.ladkani@gmail.com, tglx@linutronix.de, tim.bird@am.sony.com, Marius.Mazarel@ugal.ro, artem.bityutskiy@linux.intel.com Subject: Re: UBI fastmap updates References: <1340456602-46050-1-git-send-email-richard@nod.at> <201206271048.31524@zigzag.lvk.cs.msu.su> In-Reply-To: <201206271048.31524@zigzag.lvk.cs.msu.su> X-Enigmail-Version: 1.4.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig1B9E50BF9585E8C6DD8E6FC5" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig1B9E50BF9585E8C6DD8E6FC5 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Am 27.06.2012 08:48, schrieb Nikita V. Youshchenko: >> Would you infom me how much UBI attach time is improved with fastmap ?= >=20 > I'm not Richard but still. >=20 > On board I'm currently working on, ubi attach time for 1G chip without = > fastmap is more than 5 seconds. With fastmap, it is less than 250=20 > milliseconds. I can confirm these numbers. On all of my boards the attach time dropped from a few seconds to less than 500 milliseconds. (The worst case I've seen was ~800 milliseconds) Thanks, //richard --------------enig1B9E50BF9585E8C6DD8E6FC5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (GNU/Linux) iQEcBAEBAgAGBQJP6rNyAAoJEN9758yqZn9eU08IAIVjRIoJHpUZZaexWkZ0gRGE U5n6/xMf8dQb9CzCdBcZYoy0/ATv2s8nNIfZ8bLSPdn/sqJ3nmxsdxm4tPbA2JQD KTryL0pCK2OSM7RGU0R3m2x5A4T82GBnGzFdvW6JK6+EOtLC9Nmc72Y1ReE69Di9 fxdA2VN1+9qawC7lMQxUmk8Ag9cntcBFMrBz/XFVGNo0KbCk256D9jaCCgptDTkP ku+FCiFAFvRrTkLpcxVrcN33p1CYmCYcOpNIvPrHQnH/4EiYWUyYoTwZRjsR2hzn NhMiULHCz28Wpr5srMNlNonYHedU2UwzBHysG8y10+qh86KPiBsGuPHKLSBzfec= =Pagm -----END PGP SIGNATURE----- --------------enig1B9E50BF9585E8C6DD8E6FC5--