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Dan,

I think you have the approach correct, the
initialization is most important as that won't happen
on each call if LR was left on.  Another option would
be to package the external procedures into a service
program that the main program used.

Scott Mildenberger

--- Dan <dbcerpg@xxxxxxxxx> wrote:
> We are wondering how to improve performance of an
> application that uses several modules.  There is
> one main driver module which, essentially, reads
> through the customer file and, for each record
> read, calls six other modules (ok, procedures) using
> CALLB.  The thing that struck me is that each
> of these called procedures sets on LR each time it
> is called.  These procedures all have several
> files defined, and this means that they are opened
> and closed each time they are called, right?
> 
> Is this a no-brainer?  If I remove the LR from being
> set on, and just issue a Return, won't the
> files stay open until the job ends?  (This is a
> batch job.  And there are no USROPNs on the
> files.)
> 
> The only things I think I need to watch for is to
> determine whether any *INZSR stuff needs to be
> moved out so that it runs on each invocation.  And
> also any working fields that are expected to be
> in a "cleared" state at the beginning of each
> invocation, I will need to explicitly clear those.


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