RFC: Primary architecture promotion requirements
Richard W.M. Jones
rjones at redhat.com
Tue Mar 20 16:41:13 UTC 2012
On Tue, Mar 20, 2012 at 08:58:45AM -0700, Brendan Conoboy wrote:
> On 03/20/2012 08:24 AM, Jakub Jelinek wrote:
> >I think the speed of the build hardware should be also part of the criteria,
> >as all primary architectures are built synchronously. GCC on x86_64/i686
> >currently builds often in 2 hours, sometimes in 4 hours if a slower or more
> >busy box is chosen, but on ARM it regularly builds 2 days. That is a slow
> >down factor of 12x-24x, guess for other larger packages it is similar.
> Our current build systems can turn GCC 4.7 around in about 24 hours.
> The enterprise hardware we anticipate using will take that down to
> about 12 hours. If speed of build hardware is a consideration,
> where do you draw the line?
Is cross-compilation a realistic option? In theory this would improve
the speed of builds to something like the x86-64 speed.
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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