Mysterious x86 CPU Already Has APX, x86S Where Intel Left Off For Legacy-Free x86

The mystery deepens around an x86 implementation from a corporate entity other than AMD and Intel and has been making some very intriguing changes for coming from a seeming start-up. Beyond 16 tile and 32 tile AMX implementations that already surpass Intel's current Advanced Matrix Extensions (AMX) capabilities in shipping Xeon CPUs, new disclosures were made today concerning Advanced Performance Extensions (APX), Flexible Return and Event Delivery (FRED), and even x86S as the effort that Intel previously stopped for cleaning up the x86 baggage...