AW: Why is LC text blurred on a retina display?

Richard Gaskin ambassador at fourthworld.com
Fri Sep 18 15:18:12 EDT 2015


Mark Waddingham wrote:
> I recently did some work on the sort command for LiveCode 8 to optimize
> it's performance:
>
> https://github.com/livecode/livecode/pull/2496
>
> The improvements were dramatic. Indeed, the new approach is actually
> much better than it was prior to 7.0 as it ensures it only computes
> certain information it needs once, and operates on a much smaller
> intermediate representation.
>
> I asked Seb to take some timings of the stack you provided in different
> versions. Here is what he found:
>
> 6.7.7-rc-2    xSortListe    56ms  - sort full list
> 6.7.7-rc-2    xSortListe    27ms  - sort list items with 'a'
>
> 7.1.0-rc-3    xSortListe    596ms - sort full list
> 7.1.0-rc-3    xSortListe    293ms - sort list items with 'a'
>
> 8.0.0-dp-5    xSortListe    44ms  - sort full list
> 8.0.0-dp-5    xSortListe    26ms  - sort list items with 'a'

Freakin' awesome, Mark - thanks!

Any chance some of what was learned there can be applied to lineoffset?

The performance difference with that function is similar to what we saw 
with the sort command (about ten-fold), so I'm hoping a fix can be as 
achievable.

-- 
  Richard Gaskin
  Fourth World Systems
  Software Design and Development for the Desktop, Mobile, and the Web
  ____________________________________________________________________
  Ambassador at FourthWorld.com                http://www.FourthWorld.com




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