From: Richard Weinberger <richard@nod.at>
To: "Nikita V. Youshchenko" <nyoushchenko@mvista.com>
Cc: Namjae Jeon <linkinjeon@gmail.com>,
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
Date: Wed, 27 Jun 2012 09:17:02 +0200 [thread overview]
Message-ID: <4FEAB36E.4030008@nod.at> (raw)
In-Reply-To: <201206271048.31524@zigzag.lvk.cs.msu.su>
[-- Attachment #1: Type: text/plain, Size: 530 bytes --]
Am 27.06.2012 08:48, schrieb Nikita V. Youshchenko:
>> Would you infom me how much UBI attach time is improved with fastmap ?
>
> I'm not Richard but still.
>
> 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
> 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
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next prev parent reply other threads:[~2012-06-27 7:17 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-23 13:03 UBI fastmap updates Richard Weinberger
2012-06-23 13:03 ` [PATCH 1/7] UBI: Fastmap: Modify the WL sub-system to prodcue a free anchor PEB Richard Weinberger
2012-06-23 13:03 ` [PATCH 2/7] UBI: Fastmap: Fix WARN_ON() Richard Weinberger
2012-06-23 13:03 ` [PATCH 3/7] UBI: Fastmap: Ensure that not all anchor PEBs go into a pool Richard Weinberger
2012-06-23 13:03 ` [PATCH 4/7] UBI: Fastmap: Fix ubi_assert() Richard Weinberger
2012-06-23 13:03 ` [PATCH 5/7] UBI: Fastmap: Kill max_pnum logic Richard Weinberger
2012-06-23 13:03 ` [PATCH 6/7] UBI: Fastmap: Reuse all fastmap PEB if no free PEBs are available Richard Weinberger
2012-06-23 13:03 ` [PATCH 7/7] UBI: Fastmap: Get rid of fm_pool_mutex Richard Weinberger
2012-06-27 4:20 ` UBI fastmap updates Namjae Jeon
2012-06-27 6:48 ` Nikita V. Youshchenko
2012-06-27 7:17 ` Richard Weinberger [this message]
-- strict thread matches above, loose matches on Subject: below --
2013-09-28 13:55 Richard Weinberger
2013-10-03 16:44 ` Artem Bityutskiy
2012-07-09 12:18 Richard Weinberger
2012-08-02 14:12 ` Artem Bityutskiy
2012-08-02 14:15 ` Richard Weinberger
2012-08-02 14:29 ` Artem Bityutskiy
2012-08-02 14:51 ` Richard Weinberger
2012-08-02 16:17 ` Artem Bityutskiy
2012-08-02 16:32 ` Richard Weinberger
2012-08-02 16:45 ` Artem Bityutskiy
2012-08-02 16:54 ` Richard Weinberger
2012-08-02 17:03 ` Tim Bird
2012-08-02 17:06 ` Richard Weinberger
2012-08-02 17:40 ` Artem Bityutskiy
2012-08-02 17:45 ` Richard Weinberger
2012-08-02 17:59 ` Artem Bityutskiy
2012-08-02 18:03 ` Richard Weinberger
2012-08-02 18:15 ` Artem Bityutskiy
2012-08-05 8:23 ` Shmulik Ladkani
2012-08-05 14:25 ` Richard Weinberger
2012-08-02 17:50 ` Artem Bityutskiy
2012-08-02 14:58 ` Artem Bityutskiy
2012-08-02 14:59 ` Richard Weinberger
2012-08-02 15:18 ` Artem Bityutskiy
2012-08-02 15:19 ` Richard Weinberger
2012-08-06 17:36 ` Richard Weinberger
2012-08-07 4:21 ` Artem Bityutskiy
2012-08-07 7:29 ` Richard Weinberger
2012-08-07 18:53 ` Artem Bityutskiy
2012-08-02 18:50 ` Artem Bityutskiy
2012-08-02 18:56 ` Artem Bityutskiy
2012-08-03 8:47 ` Artem Bityutskiy
2012-08-03 8:56 ` Richard Weinberger
2012-08-17 13:11 ` Artem Bityutskiy
2012-08-17 13:33 ` Richard Weinberger
2012-08-17 13:41 ` Artem Bityutskiy
2012-08-17 13:43 ` Richard Weinberger
2012-08-17 14:06 ` Artem Bityutskiy
2012-07-02 16:23 Richard Weinberger
2012-06-29 15:14 Richard Weinberger
2012-06-30 10:43 ` Artem Bityutskiy
2012-06-30 10:53 ` Richard Weinberger
2012-06-30 11:24 ` Artem Bityutskiy
2012-06-30 14:24 ` Artem Bityutskiy
2012-07-08 11:47 ` Shmulik Ladkani
2012-07-08 12:07 ` Richard Weinberger
2012-07-08 15:11 ` Richard Weinberger
2012-07-09 7:37 ` Shmulik Ladkani
2012-07-09 8:19 ` Richard Weinberger
2012-06-27 15:57 Richard Weinberger
2012-06-18 16:18 UBI Fastmap updates Richard Weinberger
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