Re: Re: Preparing openSUSE Power7 optimized build

On Fri, Jun 14, 2013 at 01:30:16PM +0200, Alexander Graf wrote:
> 
> On 14.06.2013, at 13:21, Marcus Meissner wrote:
> 
> > On Thu, Jun 13, 2013 at 10:59:02AM +0200, Alexander Graf wrote:
> >> 
> >> 
> >> Am 13.06.2013 um 10:52 schrieb Marcus Meissner <[email protected]>:
> >> 
> >>> On Thu, Jun 06, 2013 at 03:47:04PM +0200, Dinar Valeev wrote:
> >>>> On Thu, Jun 6, 2013 at 1:50 PM, Andreas Schwab <[email protected]> wrote:
> >>>>> Dinar Valeev <[email protected]> writes:
> >>>>> 
> >>>>>> Well, the changes are only in compiler options. So it would be just
> >>>>>> another rpm subarchitecture.
> >>>>> 
> >>>>> Well, you have to fix every specfile that refers to ppc64.
> >>>> I understand that.
> >>> 
> >>> There surely are more low-key approaches.
> >>> 
> >>> We could build a second set of ppc64 packages with a different repo setting.
> >>> 
> >>> (So instead of "standard" repository with a "power7" repository.)
> >>> 
> >>> That said, is it worth the effort?
> >> 
> >> We won't know without trying and benchmarking the results, no? I'm sure IBM would love to help us out on the latter.
> > 
> > So, do we go the full ppc64p7 triple arch? Or just build a set of ppc64 RPMs opotimized
> > for Power7
> 
> I think for prototyping it should be enough to do the latter. Unfortunately IIUC RH is using a new triple arch, so we might eventually need to do the same to stay compatible.

I have set up yesterday a "power7" repo (besides standard) in openSUSE:Factory:PowerPC.

I flagged it for "publish" too, hoping it wont get into the regular ftp tree we publish.

Ciao, Marcus
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