RE: Performance of Zoned vs Int vs Packed

You should also time them for Multiplication, division and addition.  Just
moving memory around doesn't take up that much CPU time. Doing math on
numbers is the CPU cruncher.

Regards,

Jim Langston

-----Original Message-----
From: Scott Klement [mailto:klemscot@klements.com]
(Reply snipped here and there to appease bandwidth daemons)

Hey... you forgot floating point... :)


On Wed, 6 Feb 2002, Buck Calabro wrote:
>
> To test my assumptions, I ran some loops with no optimisation.  50k
> iterations, 500k and 5 million.  Times are in seconds.

> sample code:
>
> d LIMIT           c                   const(5000000)
> d start           s               t
> d stop            s               t
> d diff            s             10i 0
>
> d numZ10          s             10s 0
> d numP10          s             10p 0
> d numI10          s             10i 0
> d numB09          s              9b 0
> d numZ09          s              9s 0
> d numP09          s              9p 0
>
> c                   eval      numZ10 = LIMIT
> c                   time                    start
> c                   do        numZ10
> c                   enddo
> c                   time                    stop
> c     stop          subdur    start         diff:*s
> c     diff          dsply
>
> One loop for each "num" D-spec above...
>   --buck