From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from a.ns.miles-group.at ([95.130.255.143] helo=radon.swed.at) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SjmV2-0006zs-PT for linux-mtd@lists.infradead.org; Wed, 27 Jun 2012 07:17:17 +0000 Message-ID: <4FEAB36E.4030008@nod.at> Date: Wed, 27 Jun 2012 09:17:02 +0200 From: Richard Weinberger MIME-Version: 1.0 To: "Nikita V. Youshchenko" 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> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig1B9E50BF9585E8C6DD8E6FC5" Cc: Namjae Jeon , artem.bityutskiy@linux.intel.com, linux-kernel@vger.kernel.org, adrian.hunter@intel.com, Heinz.Egger@linutronix.de, thomas.wucher@linutronix.de, linux-mtd@lists.infradead.org, shmulik.ladkani@gmail.com, tglx@linutronix.de, Marius.Mazarel@ugal.ro, tim.bird@am.sony.com List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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--