I believe if you do this scenario in zPCR you will find a small impact on the GCPs. Probably something on the order of 1-2%. Which of course is well within the margin of error.
Even though z/OS can't use those CPs, the work running on those CPs will impact the CPU caches, hence the modest impact on the GCP engines. Now if the CPs are relatively unused, then there will be less impact. E.G. if you add IFLs and never actually run anything on them, no overhead. I believe zPCR assumes that the normal engines run at about 90% busy, I don't know what it assumes for IFLs or ICFs but I assume it assumes some reasonable normal maximum. Scott Chapman On Fri, 10 Feb 2012 11:15:08 -0700, Mark Post <[email protected]> wrote: >>>> On 2/10/2012 at 12:37 PM, Jose Correa Saldeño<[email protected]> >>>> wrote: >> Effective AVG MIPS/CP on a Multiprocessor z10 >> >> An z10 E26 model 701 AVG MIPS/CP is 924 and a 702 866MIPS and a 703 834 and >> so far. >> >> My question is, If we have a 703 and we add 4 specialty engines like two IFL >> and two CF, what will be the AVG MIPS/CP. > >I don't believe the IFL specialty engines will have any impact, since z/OS >can't even "see" them let alone use them. I believe the same to be true of >the CF engines. > > >Mark Post > >---------------------------------------------------------------------- >For IBM-MAIN subscribe / signoff / archive access instructions, >send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
