From: Wojtek Pilorz <wpilorz@bdk.pl>
To: Robert Kaiser <rob@sysgo.de>
Cc: Patrizio Bruno <patrizio@dada.it>, linux-kernel@vger.kernel.org
Subject: Re: Disk is cheap?
Date: Thu, 1 Feb 2001 13:34:08 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.21.0102011326330.11671-100000@celebris.bdk.pl> (raw)
In-Reply-To: <200101311612.RAA02360@rob.devdep.sysgo.de>
On Wed, 31 Jan 2001, Robert Kaiser wrote:
> Date: Wed, 31 Jan 2001 17:12:47 +0100
> From: Robert Kaiser <rob@sysgo.de>
> To: Patrizio Bruno <patrizio@dada.it>, linux-kernel@vger.kernel.org
> Subject: Re: Disk is cheap?
>
> In article <Pine.LNX.4.10.10101311550150.3588-100000@blacksheep.at.dada.it>,
> patrizio@dada.it (Patrizio Bruno) writes:
> > I built a embedded dvd/cdda/mp3 player based on linux, using a p200mmx
> > with 24mb with a bus of 75mhx, but it still takes about 20 seconds to boot,
> > I think that an embedded device (for home use) should boot in less than
> > 5 seconds, how could be possible with a slow p133? (I've also tried a p133
> > on 66mhz of bus and it takes almost 35 seconds to boot)
>
> Usually most of the startup time is spent by the BIOS doing
> extensive self-test stuff and for firing up services (http,
> inetd, sendmail, ...) that many embedded systems have little use for.
>
> I have a 25MHz 386EX (~2.2 Bogomips) here that boots Linux out of ROM
> in roughly 30 seconds. Most of _that_ time however is spent decompressing
> the kernel.
>
[...]
If someone would modify kernel to allow LZO compression then the
decompression would be 3 times faster at the expense of
compressed part of the image being 9..10% larger (assuming LZO1X-999/9
method used by lzop -9)
(I have done decompression speed tests on Pentium MMX 166 MHz)
Best regards,
Wojtek
--------------------
Wojtek Pilorz
Wojtek.Pilorz@bdk.pl
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2001-02-01 12:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-31 13:29 Disk is cheap? Robert Kaiser
2001-01-31 14:55 ` Patrizio Bruno
2001-01-31 16:12 ` Robert Kaiser
2001-02-01 12:34 ` Wojtek Pilorz [this message]
2001-02-03 12:55 ` Pavel Machek
2001-02-06 14:49 ` Robert Kaiser
2001-02-06 15:28 ` Hacksaw
2001-02-06 15:30 ` Robert Kaiser
2001-02-06 20:17 ` John Fremlin
2001-02-24 13:59 ` Ralf Baechle
2001-02-26 11:32 ` Robert Kaiser
-- strict thread matches above, loose matches on Subject: below --
2001-01-30 18:58 mirabilos
2001-01-31 3:27 ` John R Lenton
2001-02-02 14:48 ` Pavel Machek
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.21.0102011326330.11671-100000@celebris.bdk.pl \
--to=wpilorz@bdk.pl \
--cc=linux-kernel@vger.kernel.org \
--cc=patrizio@dada.it \
--cc=rob@sysgo.de \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).