Fedora 22

[Josh Boyer]

On Wed, Dec 17, 2014 at 3:00 AM, Timo Schöler <timo at riscworks.net> wrote:
> On 12/16/2014 08:03 PM, Michael J Wolf wrote:
>
>>> >> Hi
>>> >>   We briefly discussed priorities for Fedora 22 and I had taken an
>>> >> action item to start an email conversation about this.  So here is
>>> >> what I would like to see for Fedora 22.
>>> >>
>>> >> 1)  Get the -mcpu and -mtune flags set properly for the LE build.
>>> >> Should be -mcpu=power7 -mtune=power8
>>> >
>>> > done, all packages that honour the Fedora system wide compiler flags
>>> > use them, if they don't it's a packaging bug
>>> >
>>> >> 2) Have a cloud image available
>>> >> 3) For BE I would like another subarch.  Same packages as the current
>>> >> one but tuned for P8.
>>> >
>>> > you mean in addition to ppc64p7? can't we just switch ppc64p7 from
>>> > -mcpu=power7 -mtune=power7 to -mcpu=power7 -mtune=power8?
>>>
>>> This makes sense to me as it then mirrors what we have in ppc64le and
>>> it saves having more targets.
>>
>> The disadvantage of this would be to cut off users that have Power 7 systems
>> and optimized code.  So why would people want to optimize from Fedora 21 to
>> Fedora 22.  You would be taking a big step back in performance.  I don't
>> want to suggest keeping a subarch for each type of POWER system out
>> there.  I
>> was thinking of keeping two.  So when the next POWER arch that comes out,
>> the Power 7 subarch goes away and you would have Power 8 and the new
>> Power arch.
>
> That would mean that enthusiasts like myself, happily running Fedora on
> a Power 285 workstation, would lose Fedora?

Um, what version of Fedora are you running on that?  As far as I know,
the recent (not End-of-Live) versions of Fedora for POWER don't really
support anything less than POWER6.

josh