The 360/40 had one: 7 us for LR, 10 us for L. It is not possible now. A single instruction may literally add no time at all to some instruction sequence.
My imperfect model is that main storage is the new disk. Figure that instructions take no time at all and memory accesses take forever. Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Joseph Reichman Sent: Wednesday, March 6, 2019 5:59 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: instruction clock speed Hi >From what I remember there used to be a list of instruction clock speeds in the principle of operation I wonder if that's still available thanks ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
