On 7/5/19 11:48 AM, Gordon Messmer wrote: > On 7/4/19 10:18 PM, Steven Tardy wrote: >> I would also look at power settings in the BIOS and c-state settings >> in the >> BIOS and OS as disabling c-states (often enabled by default to meet >> green/energy star compliance) can make a noticeable performance >> difference. > > I'd be surprised if it did, I take that back. Disabling power-saving in the firmware probably also disabled CPU frequency scaling, which would prevent CentOS's default policy from scaling the frequency down to its minimum, so I wouldn't be surprised.