Take your pick of answers: 1. I don't know. 2. It probably depends on the model. 3. It probably depends on what exactly is going on with the cache, contention, etc. 4. I am going to guess the CS is cheaper than PLO because it is simpler.
Charles -----Original Message----- From: IBM Mainframe Assembler List [mailto:ASSEMBLER-LIST@LISTSERV.UGA.EDU] On Behalf Of Seymour J Metz Sent: Wednesday, January 9, 2019 11:52 AM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU Subject: Re: Multi CPU interlock question How does the cost of CS/CDS compare to PLO?