It can improve performance for any number of processors, but the value increases as the number of processors increases. We do not condition its use based on the number of processors.
Jim Mulder z/OS Diagnosis, Design, Development, Test IBM Corp. Poughkeepsie NY "IBM Mainframe Discussion List" <[email protected]> wrote on 12/15/2017 07:31:53 AM: > From: "Christopher Y. Blaicher" <[email protected]> > To: [email protected] > Date: 12/15/2017 07:12 PM > Subject: Re: RSM Freemained Frames - When do they apply? > Sent by: "IBM Mainframe Discussion List" <[email protected]> > > z13 and later. It works on the z14 also. I would imagine that IBM > saw the problem when they got to a large number of processors. The > overhead internally probably became more expensive that the RSM > program overhead. I don't know, but they may turn it on and off > based on the number of processors in the CEC. Is it worth the RSM > overhead if you only have a 4 processor machine verses one with more > than a 100? Maybe Jim will comment. > > Chris Blaicher > Technical Architect > Mainframe Development > P: 201-930-8234 | M: 512-627-3803 > E: [email protected] > > Syncsort Incorporated > 2 Blue Hill Plaza #1563 > Pearl River, NY 10965 > www.syncsort.com > > Data quality leader Trillium Software is now a part of Syncsort. > > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected] > ] On Behalf Of Vernooij, Kees (ITOPT1) - KLM > Sent: Friday, December 15, 2017 2:46 AM > To: [email protected] > Subject: Re: RSM Freemained Frames - When do they apply? > > Interesting detail: why does this work on z13 only and not on z14? > > Grtn, > Kees. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
