In <985915eee6984740ae93f8495c624c6c21e5c49...@jscpcwexmaa1.bsg.ad.adp.com>, on 07/17/2012 at 12:04 PM, "Farley, Peter x23353" <peter.far...@broadridge.com> said:
>t SHOULD NOT be necessary to have "considerable statistical prowess" >or have access to DCOLLECT output (which most normal application >programmers DO NOT HAVE) or to have access to a statistical package >like MXG or any other such beast in order to answer simple questions >like "does machine X have enough CPU horsepower to run YYY instances >of program ZZZ at the same time?" or "how much CPU and elapsed time >will the new changes in program ZZZ consume when moved into >production?". These are questions that a normally skilled >professional application programmer ought to be able to provide a >reasonable answer to -- but we cannot, because "it depends...". Yes, and the second law of thermodynamics is unfair. The universe is what it is. >I'm not advocating a return to the single-non-pipelined CPU days >of yore, just for SOMEONE (not me since I am obviously not >qualified) to come up with a REPEATABLE way to measure a >program's real performance with only one or two >production-level test runs. You may not be advocating it, but that's what it would take. -- Shmuel (Seymour J.) Metz, SysProg and JOAT Atid/2 <http://patriot.net/~shmuel> We don't care. We don't have to care, we're Congress. (S877: The Shut up and Eat Your spam act of 2003) ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN