[Arm-netbook] Rpi vs cortexA8

[lkcl luke]

On Sun, Jun 3, 2012 at 12:25 PM, Gordan Bobic <gordan at bobich.net> wrote:
> On 06/03/2012 12:21 PM, Tsvetan Usunov, OLIMEX LTD wrote:
>>> the Cortex A8 however was *not* designed by ARM.  it was designed
>>> based around a streamlined pipeline architecture (Harvard
>>> Architecture) right from the word go, by a VC-funded team in Austin,
>>> Texas, that ran out of money.  when they ran out of money they
>>> approached ARM and asked them if they'd like to buy the company, which
>>> they did, because ARM's own design was so shit.
>>
>> then who made A9?
>> our developers say A9 is significant faster than A8 at same clocks
>
> IIRC A9 is essentially an A8 with out-of-order execution added. That
> might gain you maybe another 15-20%, depending on how good your compiler is.

 linaro added gcc optimisations ooo.. last year?  they reordered
instructions to suit the pipeline of a Cortex A8, getting i heard a
30% speed increase by doing so.

l.