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I think you misread. The LR version is minutes, the service program is
seconds.



From:
Kurt Anderson <kurt.anderson@xxxxxxxxxxxxxx>
To:
"'RPG programming on the IBM i / System i'" <rpg400-l@xxxxxxxxxxxx>
Date:
11/05/2010 02:23 PM
Subject:
RE: MAIN or cycleless programs.
Sent by:
rpg400-l-bounces@xxxxxxxxxxxx



Hi Alan,

What are you doing that you get worse performance from a service program
than from a cycled program turning LR on?

This honestly makes no sense to me. Is the service program running in an
activation group that's constantly being reclaimed so the service program
needs to 'reactivate' on every call? That's the only situation I can see
a service program performing worse, and I'd also suggest, in that case, to
redesign how the service program is used.

-Kurt

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Alan Campin
Sent: Friday, November 05, 2010 11:18 AM
To: RPG programming on the IBM i / System i
Subject: Re: MAIN or cycleless programs.

I looked at my number again. More like 48% faster. 20 Million calls.

2.06 minutes using main.
3.06 minutes with LR off
3.17 minutes with LR On

Of course, service program

3.41 seconds

This is measuring call performance only.

On Fri, Nov 5, 2010 at 7:39 AM, David FOXWELL
<David.FOXWELL@xxxxxxxxx>wrote:

Hi,

I've just done my first program using the MAIN keyword. I have to admit
that I didn't see any benefit from doing so. I particularly missed
having a
main procedure with all the global definitions in it. Especially the
program
parameters.

Any thoughts would be welcome.

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