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  1.  Home
  2. RPG400-L
  3. November 2009

RE: Service Program Overhead

It seems that the invocation of subprocedures in a service program
significantly slows down performance. I invoke 2 subprocedures on each
write
to the stream file, a replace all subprocedure and the write line
subprocedure. So, for the question, what kind of overhead is there when
invoking subprocedures from a service program? I'm sure there is
information
on this, I just can't seem to find it.


There are lots of ways to impact performance positively and negatively.
Usually when I hear someone complaining about the performance after
modularizing a program, I find that the real issue is that they're passing
huge variables (rather than pointers to them), and this is a documented
costly technique.

You're not doing that, are you?

Dennis Lovelady
http://www.linkedin.com/in/dennislovelady
--
"Get your facts first, and then you can distort them as much as you please."
-- Mark Twain


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