RE: ServicePrograms VS normal Programs

Igor,

If the procedure is called repeatedly, put it in a service program.

Procedure calls, either in the same module or in an external service program
are much faster than calls to an external program.


HTH,
Charles


> -----Original Message-----
> From: Igor.Beslic@xxxxxxxxxxxx [mailto:Igor.Beslic@xxxxxxxxxxxx]
> Sent: Thursday, August 26, 2004 9:35 AM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: ServicePrograms VS normal Programs
> 
> 
> Hello everybody!
> 
> I read some articles abouth service programs and now I am 
> wondering is it 
> better to make a service program with collection of 
> subprocedures that 
> will be repeatedly called (with callP) from other programs, or is it 
> better to have every subprocedure as one rpg program (and 
> call it with 
> call). What is diference in performance? What is exactly 
> happening when an 
> program calls subprocedure from service program with callP 
> and what is 
> happening when program calls another program with call and 
> parametar list.
> 
> I am asking this because I am Java programer and fresh RPG 
> programer and 
> most of RPG things I learned from IBM's student books and 
> Sourcers Guide, 
> but my collegues (who code in RPG all their life) have totaly 
> diferent 
> aproach that doesn't meet any ruels (described in RedBook) of 
> advanced and 
> modern coding.
> 
> Thanks, Igor. 
> --
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