Previously: "PCID is now a critical performance/security feature on x86" https://news.ycombinator.com/item?id=16094349
It was misleading in multiple ways.
It really helps against insomnia, if you wake some poor android developer halft the world away in the middle of the night to suffer with you - for his implementation of planned obsolence.
Two souls united in burning hatred.
With server CPUs always being a few generations behind the desktop, this is gonna have massive impact on datacenters.
E3-1280 v5 goes from 32278.00 Apache requests per second to 25399.47 Requests per second. In other words, a Skylake Xeon performs like an Fx Bulldozer after the patch. And Skylake has the PCID instruction too.
Although to be fair, static-file hosting is about as I/O bound as it gets, and these patches affect file I/O the most.