Allegedly they have Power8 servers in their data centres:
Maire Mahoney, engineering manager at Google and now a director of the OpenPower Foundation, confirmed to The Next Platform that Google does indeed have custom Power8 machines running in its datacenters and that developers can deploy key Google applications onto these platforms if they see fit. Mahoney was not at liberty to say how many Power-based machines are running in Google’s datacenters or what particular workloads were running in production (if any).[1]
It's pretty unclear what that actually means, though.
Maire Mahoney, engineering manager at Google and now a director of the OpenPower Foundation, confirmed to The Next Platform that Google does indeed have custom Power8 machines running in its datacenters and that developers can deploy key Google applications onto these platforms if they see fit. Mahoney was not at liberty to say how many Power-based machines are running in Google’s datacenters or what particular workloads were running in production (if any).[1]
It's pretty unclear what that actually means, though.
[1] http://www.nextplatform.com/2016/04/06/inside-future-google-...