RFC: Primary architecture promotion requirements

[drago01]

On Thu, Mar 22, 2012 at 8:32 AM, drago01 <drago01 at gmail.com> wrote:
> On Thu, Mar 22, 2012 at 1:56 AM, Kevin Kofler <kevin.kofler at chello.at> wrote:
>> drago01 wrote:
>>> Those numbers look way better then Kevin's "50x slower without any
>>> citation" ... thanks for getting this numbers.
>>
>> I'm surprised emulating ARM in QEMU is so much faster than qemu-system-
>> x86_64
>> (which was how I measured the 50 times).
>
> Given that x86_64 is way more complex then ARM it is not *that* surprising.
>
>>Are they really using QEMU
>> for everything or are they actually using host or cross tools (and QEMU only
>> for when the build process is trying to run a just built binary)?
>
> The later i.e cross tools + user emulation for binaries.

OK as Dennis said it seems they also run the compilers through qemu.