Source: cirosantilli/x86-custom-instructions
= x86 custom instructions
{c}
<Intel> is known to have created customized chips for very large clients.
This is mentioned e.g. at: https://www.theregister.com/2021/03/23/google_to_build_server_socs/
> Intel is known to do custom-ish cuts of Xeons for big customers.
Those chips are then used only in large scale server deployments of those very large clients. <Google> is one of them most likely, given their penchant for <Google custom hardware>.
TODO better sources.