[comprev]

Oracle was the first company I thought of who licensed per-CPU.

Many moons ago I was a sysadmin at a company and first heard about their licensing strategy when sizing up some new multi-socket Opteron servers. First time I learned about per-CPU licensing.

[nnurmanov]

It’s per core licensing with core factors. Core factor ranges from 0.25 to 1. I have not checked how it is now, but it used to be as above 5-10 years ago