In <[email protected]>, on 05/22/2013 at 03:42 PM, Paul Gilmartin <[email protected]> said:
>On Wed, 22 May 2013 14:25:46 -0400, Shmuel Metz (Seymour J.) wrote: > >> at 07:36 AM, Paul Gilmartin <[email protected]> said: >> >>>SYSCALL for the UNIX files; BPXWDYN/EXECIO for the legacy. >> >>In your ADDRESS SYSCALL read, what length do you specify? In your >>ADDRESS TSO EXECIO, what do you specify for lines? >> >Minimal, in order to let the ALLOCATE/OPEN/CLOSE overhead >dominate. Using minimal lengths drives up the other overhead, unless you're closing it each time. If you want to to let the ALLOCATE/OPEN/CLOSE overhead dominate, read it all in one swell foop. -- 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 [email protected] with the message: INFO IBM-MAIN
