By far the best performance is obtained by not allocating the files until they're actually needed. It takes some effort, but it's not difficult to build application starter execs that use LIBDEF, ALTLIB, and ALLOC as needed.
btw, I happen to know that Lionel already knows this :-). sas On Fri, Aug 9, 2019 at 8:49 AM Lionel B Dyck <[email protected]> wrote: > Think the TSO logon process where the allocations are in a REXX exec and > not > in static DD's in the logon proc. > > > Lionel B. Dyck <sdg>< > Website: http://www.lbdsoftware.com > > "Worry more about your character than your reputation. Character is what > you are, reputation merely what others think you are." - John Wooden > > -----Original Message----- > From: IBM Mainframe Discussion List <[email protected]> On Behalf > Of > Binyamin Dissen > Sent: Friday, August 9, 2019 7:18 AM > To: [email protected] > Subject: Re: ALLOC or BPXWDYN ? > > On Thu, 8 Aug 2019 14:19:06 -0500 Lionel B Dyck <[email protected]> wrote: > > :>Which is the most efficient in terms of processor resources? > > :>TSO ALLOC or BPXWDYN? > > One wonders about the application where the dataset allocation performance > is an issue. > > -- > Binyamin Dissen <[email protected]> http://www.dissensoftware.com > > Director, Dissen Software, Bar & Grill - Israel > > > Should you use the mailblocks package and expect a response from me, you > should preauthorize the dissensoftware.com domain. > > I very rarely bother responding to challenge/response systems, especially > those from irresponsible companies. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, send email > to [email protected] with the message: INFO IBM-MAIN > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > -- sas ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
