[Arm-netbook] RedSleeve - New ARM Linux Distro

cnxsoft cnxsoft at cnx-software.com
Fri Apr 13 03:00:40 BST 2012


On 13/04/2012 04:53, Gordan Bobic wrote:
> On 12/04/2012 22:27, Henrik Nordström wrote:
>> mån 2012-03-26 klockan 09:38 +0100 skrev Gordan Bobic:
>>
>>> Have you actually looked at what the realistic performance advantage is
>>> on something like a Tegra2 between running armv5tel and armv7hl for a
>>> typical desktop workload?
>> I have not tried them in desktop setup, but in batch compile performance
>> difference there is a very noticeable difference between Tegra2 running
>> armv5tel or Tegra2 running armv7hl for any larger compile job even when
>> running the same kernel.
> Can you put a number on that over a few different tasks, e.g. a 100
> loops of bzip2 of a 100MB file generated from /dev/random going to
> /dev/null and 100 iterations of compiling something small in tmpfs?
>
> "Very noticeable" isn't very scientific. :)
>
> Gordan
>
Phoronix compared Ubuntu 11.10 (soft-float) against Ubuntu 12.04 
(hard-float) on the Pandaboard.
http://www.phoronix.com/scan.php?page=article&item=ubuntu_1204_armhf&num=3

This is also not very scientific, as other optimizations may have 
improved performances, but still worth a look.



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