Modal stacks cpu usage

J. Landman Gay jacque at
Fri Oct 2 22:25:55 EDT 2020

If the Project Browser is open, try closing it. On my Mac, the CPU usage 
while idle is usually close to 0 when in the background.

Jacqueline Landman Gay | jacque at
HyperActive Software |
On October 2, 2020 7:03:59 PM Neville Smythe via use-livecode 
<use-livecode at> wrote:

>> Confirmed here on macOS 10.14.5.  The CPU load is indeed quite dramatic
>> with modal dialogs.
>> I also checked on Linux (Ubuntu 18.04), and LC does not exhibit the
>> problem there.
> Thanks Richard for confirming, and testing on Linux. Yes I will file a bug 
> report.
> It occurred to me that LC shouldn’t be using as much as 34% cpu when it is 
> just idling anyway, even when not running a modal stack. Testing just now 
> shows that is down to around 16%; of course LC’s time share will depend on 
> lots of OS factors and other running apps, but that’s still way too high 
> for an app supposedly doing nothing but waiting for events. Turning off the 
> Rinaldi revSmartSave plugin brings it down to between 4 and 7%, which is 
> more reasonable; presumably something to do with displaying its progress 
> bar, perhaps another wait side effect.
> Neville Smythe
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