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I agree with you Mike - you should only worry about performance if it
becomes a problem.

>> I remember years ago hearing from an IBMer that all  RPG programs should
be coded in-line (no EXSRs), to reduce page faults during execution (thus
saving I/O and time)......

They only started saying that when it became obvious that the S/38 (mainly I
suspect because of hardware and cost constraints) couldn't perform with
programs designed in the highly modular fashion that was intended for the
platform.  Rochester's performance people (guys like John Sears were often
involved) were dispatched to resolve problems and the universal answer
became "Make it bigger - make it straight line".

It was no longer a valid approach in the latter days of the S/38 - it has
never really been true for AS/400 / iSeries.  The additional effort required
to maintain such code far outweighs any potential performance advantage -
even if there was one.




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