Using numeric sort, 100k lines being reversed takes 126 millisec on my system.
On Sun, Feb 8, 2015 at 3:13 PM, Mike Bonner <[email protected]> wrote: > Oops, make sure the sort is numeric, which I forgot. > > On Sun, Feb 8, 2015 at 3:09 PM, Mike Bonner <[email protected]> wrote: > >> Just curious.. How does this compare? >> >> local scount >> on mouseUp >> put the number of lines in field 1 + 1 into scount >> sort lines of field 1 by getCount() >> end mouseUp >> >> function getCount >> subtract 1 from sCount >> return sCount >> end getCount >> >> On Sun, Feb 8, 2015 at 2:52 PM, J. Landman Gay <[email protected]> >> wrote: >> >>> Just tinkering around on a lazy Sunday, and I thought I'd come up with a >>> neat way to reverse a list without using the traditional clunky method: >>> >>> function reverseSort pList >>> repeat for each line l in pList >>> put l & cr before tList >>> end repeat >>> return tList >>> end reverseSort >>> >>> One of the best things I learned from a past LC converence came from >>> Jerry Daniels who said "let the engine do it." It's almost always faster >>> and more efficient. With that in mind I wrote this: >>> >>> local sNum >>> >>> function reverseText pList >>> put the number of lines in pList into sNum >>> sort lines of pList numeric by reverseSort(each) >>> return pList >>> end reverseText >>> >>> function reverseSort pTxt >>> subtract 1 from sNum >>> return sNum && pTxt >>> end reverseSort >>> >>> Works great and I was proud. Then I did some timing tests and found out >>> the two methods are very close to equivalent in timing, and on long lists, >>> the first way is actually faster. >>> >>> So much for improving on LC's text chunking speed. Pah. >>> >>> -- >>> Jacqueline Landman Gay | [email protected] >>> HyperActive Software | http://www.hyperactivesw.com >>> >>> _______________________________________________ >>> use-livecode mailing list >>> [email protected] >>> Please visit this url to subscribe, unsubscribe and manage your >>> subscription preferences: >>> http://lists.runrev.com/mailman/listinfo/use-livecode >>> >> >> > _______________________________________________ use-livecode mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
