On Thu, 2017-08-31 at 15:40 -0400, Josh Boyer wrote:
As a middle ground, does disabling POWER6 and POWER7 variants save
significant time? Having 970 and POWER8 covers the lowest commonly
avaiable "cheap" option as well as the newest released POWER
hardware.
POWER6 is in-order, so *if* we still care about it at all then there is
potentially some benefit in having a dedicated build for it. Dropping
POWER7 is probably a no-brainer; it ought to cope with whatever we
throw at it.