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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.