Optimization can be tricky

Tom Glod tom at makeshyft.com
Tue Jun 12 21:04:58 EDT 2018


Thanks for the tip Ralph....love the sound of that filer function.

On Tue, Jun 12, 2018 at 7:00 PM, Curry Kenworthy via use-livecode <
use-livecode at lists.runrev.com> wrote:

>
> Optimizing scripts in LC is not the same as running reports in other
> software suites. If you only need 10 results, you probably don't want to
> handle all items twice.
>
> I hate to loop through all items even once. But if I do, I may be done!
> I'm not making a full report to print out; I'm just getting my 10 items. If
> I use sort or filter, likewise, I will do whatever necessary to keep it
> short and sweet, even if that means adjusting some of the starting
> assumptions.
>
> If the sort really is taking more time than the loop, something is bogging
> it down. Look at the random() and arithmetic attached to the sort. That's
> potentially like running a whole lot of LCS. So if you sort, try a plain
> numeric sort with no fancy stuff added. Then go grab your 10 - the other
> requirements can be addressed before or after the sort.
>
> Best wishes,
>
> Curry Kenworthy
>
> Custom Software Development
> LiveCode Training and Consulting
> http://livecodeconsulting.com/
>
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