Thank you. On Fri, 7 Jul 2017 13:36:28 -0400 Jim Mulder <[email protected]> wrote:
:> There should be no performance cost, other than the cost of the :>instructions to manipulate the access registers, as long as an :>access register is loaded far enough in advance of its use :>to avoid a pipeline delay, and for an ALET other than 0 or 1, :>there is already an ALB entry, so that Access Register Translation :>is avoided. :> :>Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. :>Poughkeepsie NY :> :>> How big is the performance cost of running ARMODE? :>> :>> Should there be a section of code that uses only ALET 0, is it best to :>go into :>> primary mode for that section? -- Binyamin Dissen <[email protected]> http://www.dissensoftware.com Director, Dissen Software, Bar & Grill - Israel Should you use the mailblocks package and expect a response from me, you should preauthorize the dissensoftware.com domain. I very rarely bother responding to challenge/response systems, especially those from irresponsible companies. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
