500 ms to set a thumbpos??

Ralph DiMola rdimola at evergreeninfo.net
Tue Apr 15 18:08:51 CEST 2014


Trevor said ==> The issue being talked about in this thread and what you
describe may be two separate things.

Trevor, I think your right on this. I have processing slow downs on mobile
post 6.1. New devices not so much, but older devices(Galaxy S3) it's very
noticeable. In my case it doesn't seem to be a rendering issue. It's
pointing towards SQLite and text processing speed. I will find out where
exactly in the code this is happening.... Observed using LC 6.6.1

Film at 11

Ralph DiMola
IT Director
Evergreen Information Services
rdimola at evergreeninfo.net

-----Original Message-----
From: use-livecode [mailto:use-livecode-bounces at lists.runrev.com] On Behalf
Of Trevor DeVore
Sent: Tuesday, April 15, 2014 11:53 AM
To: How to use LiveCode
Subject: Re: 500 ms to set a thumbpos??

On Tue, Apr 15, 2014 at 11:26 AM, Andrew Kluthe <andrew at ctech.me> wrote:

> Even on windows 8, everything post 6.5 just craaaawwwls.
>
> The ide and any standalone built with the new graphics libs uses an 
> enormous amount of cpu on my laptop. Simply showing a popup menu eats 
> up about 48% of my admittedly under-powered cpu. Anything that 
> involves drawing anything to the screen is god awful slow and if I 
> fiddle too much while it thinks the whole deal crashes. I'm still 
> building with 5.5 until 7 to wait and see if this behavior is 
> corrected later on. Right now, livecode 6.5+ is barely usable for me 
> unless I am using a high end system. I have been having similar issues 
> with the clarify 2 beta and i suspect it is due to the use of the newer
engine.
>

Andrew,

The issue being talked about in this thread and what you describe may be two
separate things. 6.6 is when retina support was added for desktop and that
caused a big slowdown on machines running in high-dpi mode (Mac or
Windows) as many more pixels are being rendered (as many as 4x). RunRev is
working to address this as soon as possible.

What you describe seems to be something else. 6.5 doesn't have any of the
retina changes for desktop but does have the graphics layer changes (as you
mentioned). It is my understanding that 6.5 should run at the same speed as
previous versions. I wouldn't expect any changes specific to 7.0 to affect
what you are seeing, although the speed increase they are working on for
retina would probably help.

I would *highly* recommend that you submit a bug report about the
performance on your machine. Waiting to see if something gets fixed when you
haven't filed a report often leads to disappointment :-)

--
Trevor DeVore
Blue Mango Learning Systems
www.screensteps.com    -    www.clarify-it.com
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