The largest benefit is a financial one: you don't pay the zIIP MSUs. A performance benefit can come from the fact that the zIIP is always running at full speed, while your CP's can run at lower speeds.
Kees. -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Tom Marchant Sent: 19 July, 2016 16:39 To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: DFsort and zIIP On Tue, 19 Jul 2016 08:26:45 +0200, Peter Hunkeler wrote: >>DFSORT can use zIIP on behalf of DB2 utilities, but not otherwise. Here's >>more information: > > >>At this time, IBM has no plan for enabling DFSORT to exploit the system z9 >>Integrated Information Processor (zIIP). IBM realizes DFSORT remains a >>prominent component of our customers' batch workloads. However, the >>added controls that would need to be implemented in order to maintain our >>high standards for performance, reliability and system integrity are not >>justified in view of estimations that there is a low offload potential and >>the value to clients may be marginal.....[snip] > >I seem to remember that SyncSort offers an Add-On package that allows >certain SyncSort processing to be offloaded to zIIPs. The above statement >suggest that SyncSort's perfocmance is suffering from using zIIPs (simplified >and exagerated, I know). I understood "there is a low offload potential and the value to clients may be marginal" as meaning that there would not be much benefit in using zIIP. Not that it would be worse. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
