Re: SCAN vs %scan

[Rory Hewitt <rory.hewitt@xxxxxxxxx>]

Paul,

Nice find! Have you tried implementing this?

Rory

On Mon, Jan 9, 2012 at 11:49 AM, Morgan, Paul <Paul.Morgan@xxxxxxxxxxx>wrote:

> Have you considered coding a faster string search algorithm like
> Boyer-Moore?
>
> http://en.wikipedia.org/wiki/Boyer%E2%80%93Moore_string_search_algorithm
>
> Paul Morgan
>
> Principal Programmer Analyst
> IT Supply Chain/Replenishment
>
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of sjl
> Sent: Monday, January 09, 2012 2:12 PM
> To: rpg400-l@xxxxxxxxxxxx
> Subject: SCAN vs %scan
>
> has anyone benchmarked speed comparison of using SCAN versus %SCAN?
>
> I inherited and am maintaining a fixed-format RPGIV program which uses SCAN
> to scan strings for certain values (hundreds of occurences of the SCAN
> opcode), and I am wondering if I can get any kind of performance
> improvement
> if I change them to use %scan instead.
>
> - sjl
>
>
>
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