Re: Function to find the greatest or smallest value

----- Original Message -----
From: "Barbara Morris" <bmorris@xxxxxxxxxx>
To: rpg400-l@xxxxxxxxxxxx
Subject: Re: Function to find the greatest or smallest value
Date: Fri, 24 Apr 2009 13:46:18 -0400


Asher613Smith@xxxxxxx wrote:

I may stand corrected. Or maybe not. Needs more investigation,
because I know that doing a test on each pass through the loop
is costly. The sort can be optimized.

Even if a sort can be optimized, it is unlikely for it to become as fast
as a single pass through the array.

It's easy to check which is more efficient.

Here are two programs:
http://code.midrange.com/63012b7f6b.html - uses a loop
http://code.midrange.com/58e7279cbd.html - uses SORTA

Here is the output of the two programs, first the loop, then SORTA. The
SORTA way is almost 5 times slower.

5 > call perf1 100000
DSPLY 2009-04-24-13.16.42.394000
DSPLY 2009-04-24-13.16.52.657000
DSPLY 10 seconds
5 > call perf2 100000
DSPLY 2009-04-24-13.16.58.283000
DSPLY 2009-04-24-13.17.45.514000
DSPLY 47 seconds

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