On Thu, 30 Jun 2016 18:01:38 +0200, you wrote: >> Realistically, it isn't about either specifically. Each iteration of >> POWER tends to require tuning specifically for that generation if you >> want to get the most performance out of your software. > >Latest CPU features get utilized mostly only in inner loops of high >performance code which should use IFUNC. So building the whole distro for the >latest CPU brings only incompatibility with no real performance advantage. When you spend the type of money that a POWER type system costs, you expect to get every bit of benefit you can out of that system, and that means everything from the OS on up will be expected to be compiled for the version of POWER you are running. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://lists.fedoraproject.org/admin/lists/devel@xxxxxxxxxxxxxxxxxxxxxxx