making its way into data centres.
* OpenRISC, an entirely Open ISA suitable for embedded systems.
* s390, a Mainframe ISA very similar to Power.
-* Power ISA, a Supercomputing-class ISA.
+* Power ISA, a Supercomputing-class ISA, as demonstrated by
+ two out of three of the top500.org supercomputers using
+ 160,000 IBM POWER9 Cores.
* ARC, a competitor at the time to ARM, best known for use in
Broadcom VideoCore IV.
+* RISC-V, with a software ecosystem heavily in development
+ and with rapid adoption
+ in an uncontrolled fashion, is set on an unstoppable
+ and inevitable trainwreck path to replicate the
+ opcode conflict nightmare that plagued the Power ISA,
+ two decades ago.
* Tensilica, Andes STAR and Western Digital for successful
commercial proprietary ISAs: Tensilica in Baseband Modems,
Andes in Audio DSPs, WD in HDDs and SSDs. These are all