From: Albert ARIBAUD <albert.u.boot@aribaud.net>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC PATCH] arm: provide a CONFIG flag for disabling relocation
Date: Sat, 01 Oct 2011 08:48:06 +0200 [thread overview]
Message-ID: <4E86B7A6.5080204@aribaud.net> (raw)
In-Reply-To: <4E856DF7.6010703@gmail.com>
Le 30/09/2011 09:21, Simon Schwarz a ?crit :
> On 09/29/2011 06:14 PM, Andreas Bie?mann wrote:
> [SNIP]
>> Simon, who has just finished his bachelor thesis did this test for me
>> (thanks to this way ...).
>> It seems using more register for ldmia/stmia does _not_ improve the copy
>> time that much. Simon measured 10.8 ms for r9-r10 and 10.65 ms for
>> r3-r10 (unfortunately
>> I do not know which system he tested, but I guess devkit8000).
>>
>> best regards
>>
>> Andreas Bie?mann
>>
>>
> Yes, devkit8000.
>
> Regards
> Simon
Thanks to both of you. I'd somehow expected there not to be a great
increase as the true limit is bus width.
So let us stick with two registers and avoid register pushes/pops.
Amicalement,
--
Albert.
next prev parent reply other threads:[~2011-10-01 6:48 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-20 14:22 [U-Boot] [RFC PATCH] arm: provide a CONFIG flag for disabling relocation GROYER, Anthony
2011-09-20 18:09 ` Wolfgang Denk
2011-09-20 19:13 ` Albert ARIBAUD
2011-09-21 9:29 ` GROYER, Anthony
2011-09-21 10:45 ` Wolfgang Denk
2011-09-21 11:44 ` Albert ARIBAUD
2011-09-21 10:51 ` Albert ARIBAUD
2011-09-21 11:20 ` Andreas Bießmann
2011-09-21 12:03 ` Albert ARIBAUD
2011-09-21 12:31 ` Andreas Bießmann
2011-09-21 14:23 ` Albert ARIBAUD
2011-09-22 7:10 ` Andreas Bießmann
2011-09-29 16:14 ` Andreas Bießmann
2011-09-30 7:21 ` Simon Schwarz
2011-10-01 6:48 ` Albert ARIBAUD [this message]
2011-09-20 21:34 ` Simon Glass
2011-09-21 14:21 ` Aneesh V
2011-09-23 16:04 ` Simon Glass
2011-10-01 7:01 ` Albert ARIBAUD
2011-10-03 3:34 ` Simon Glass
-- strict thread matches above, loose matches on Subject: below --
2011-03-25 13:12 Aneesh V
2011-03-25 13:27 ` Aneesh V
2011-03-25 14:12 ` Wolfgang Denk
2011-03-25 16:12 ` Aneesh V
2011-03-25 18:35 ` Albert ARIBAUD
2011-04-20 18:34 ` Simon Glass
2011-04-21 6:56 ` Aneesh V
2011-04-21 15:18 ` Simon Glass
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=4E86B7A6.5080204@aribaud.net \
--to=albert.u.boot@aribaud.net \
--cc=u-boot@lists.denx.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