On Wed, 28 Sep 2005 14:20:34 -0400, Knutson, Sam <[EMAIL PROTECTED]> wrote:
>You and I think that's funny but here is an extract from a note I sent to a >programmer only a few months ago after reviewing a set of their jobs.... > <rexx program snipped> > >This is a loop not a wait :-( It uses CPU constantly for the entire time. > >Using 4 1/2 minutes of z990 CPU time to wait for 5 minutes is an expensive >proposition. > >You can use the sleep command here or a small assembler program to WAIT 5 >minutes for about 2 seconds of cpu time. This one change will save more >than a CPU DAY each year. > Great example Sam. The system folks are constantly looked at to improve performace, decrease CPU usage etc. This once again proves that the biggest bang for your buck will most likely come from looking at / changing applications. And there are *many* more opportunities in that space. Cheers, Mark -- Mark Zelden Sr. Software and Systems Architect - z/OS Team Lead Zurich North America and Farmers Insurance Group mailto: [EMAIL PROTECTED] Systems Programming expert at http://Search390.com/ateExperts/ Mark's MVS Utilities: http://home.flash.net/~mzelden/mvsutil.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
