I’ll weigh in here. I have noticed at times my Mac becoming slow and extremely laggy to input. Quitting all my apps, including LC seems to resolve it, although I never dug in any deeper. (Honestly I thought it was a Chrome or web page issue and I am used to those.) Next time I see the issue I will dig further.
Bob S On Oct 1, 2020, at 9:28 AM, Richard Gaskin via use-livecode <email@example.com<mailto:firstname.lastname@example.org>> wrote: Neville Smythe wrote: > Typically LC cpu usage shows about 34% (presumably of 1 core). When > a modal stack is opened it immediately ramps up to 99% ; the fan kicks > in, and if left for a while the OS boosts the kernel_task daemon which > I have been told is a protection device to prevent overheating. This > has the effect of very markedly slowing down all apps as they get less > cpu time. > > If the stack is opened in non-modal mode, cpu usage stays around 34% . > I don’t understand why a modal stack should be a cpu hog, indeed it > seems like a bug to me. 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. Have you opened a bug report on this? -- Richard Gaskin Fourth World Systems Software Design and Development for the Desktop, Mobile, and the Web _______________________________________________ use-livecode mailing list email@example.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode