On Thu, 23 May 2013 11:44:58 -0400, Shmuel Metz (Seymour J.) wrote: >>> >>>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. > I did.
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