Re: MAIN and LR

[Alan Campin <alan0307d@xxxxxxxxx>]

Whoops, I should have said CALL times. The difference in amount of
time to call the program using Main vs the cycle. Once inside I can't
imagine it would make any difference at all as long as you are not
using the cycle.

On Wed, Sep 26, 2012 at 1:26 PM, Alan Campin <alan0307d@xxxxxxxxx> wrote:
> My testing has said 30 to 40% performance improvement(cycle, LR = *On)
> on an unloaded test box but that is going to vary with the load.
>
> On Wed, Sep 26, 2012 at 1:02 PM, Barbara Morris <bmorris@xxxxxxxxxx> wrote:
> > On 9/26/2012 11:56 AM, Dave wrote:
> > > ... you win on performance because of the cycle
> >
> > You only win a little bit on performance and you don't win much on
> > program size either. For me, the most compelling reason to use a linear
> > main is that all your RPG procedures look the same, except that one of
> > them is designated as the first procedure to be called when the program
> > is called.
> >
> > The other big benefit is that a linear main procedure can be called
> > recursively. Prior to being able to code a linear main, you could sort
> > of get recursion using actgrp(*new), or you could have a CL or C pep
> > module that called your RPG subprocedure.
> >
> > --
> > Barbara
> > --
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