[Default] On 13 Sep 2018 13:45:20 -0700, in bit.listserv.ibm-main [email protected] (Seymour J Metz) wrote:
>The whole cloud thing is just hype. It's just time sharing with the serial >number filed off. > >> but I'm stumped as to what it is about the mainframe that makes it so >> wonderful for cloud. > >Well, a half century of experience with virtualization doesn't hurt. > >> * Mainframe MIPS are more expensive > >What is an instruction? Instructions are more expensive, but are function >points? How many instructions does it take to do, e.g., a TR on an x86? While I agree that things can get confusing when comparing platforms, the TR instruction (or the TRT) bring up an interesting question. Which takes more machine cycles, the TR or the equivalent loop on a z, on Intel? The same question for TRT because I understand both are relatively slow and expensive. It would be interesting to compare well optimized COBOL programs or sub-routines on the various platforms. Clark Morris ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
