Some benchmarks on ARM

[Marc Kleine-Budde]

Colin Tuckley wrote:
>> -----Original Message-----
>> kernel-bounces at lists.infradead.org] On Behalf Of Robert Schwebel
>> Sent: 02 July 2010 19:03
> 
>> We have recently made some benchmarks, in order to get a little bit
>> better fealing about where ARM cpus are today, especially when it comes
>> to the "recent" ones, and in comparism to the Atom. So we collected a
>> few benchmarks (most from lmbench) and did some actual measurements.
> 
> You have the family wrong for (at least) the Cortex-A8, it's a v7. This probably accounts for some of it's slow relative performance since you probably used incorrect compiler switches.
> 
>> All measurements have been done on 2.6.34.
> 
> How were the kernels compiled? Was thumb mode used for the ones that support it?
> 
> You didn't mention the cache state anywhere - it can make a big difference.

After booting all tests are done via ssh, the system was "idle" otherwise.

We're just repeating the tests with "echo 1 > /proc/sys/vm/drop_caches"
prior to each test.

cheers, Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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