Browser Support • Re: Unfortunately, PaleMoon does not perform well under CPU load

It's real simple, guys. Nothing complex or difficult to understand going on here. I'm not a noob, or idiot, and no, it's not the fault of my system.

If this is true, then I wonder why I had to delete several posts from the moderation queue with F-bombs in them and attacking people for simply asking you to provide details we absolutely need to be able to help you, like information about your system and troubleshooting information from the browser. A seasoned expert like yourself should know better. It's real simple, indeed.

Especially if it's a custom build on a custom distro, our ability to help depends heavily on you working with us and not blowing your top right away. There is no such thing as a "generic Linux system" when you are using an LFS setup; that is literally the opposite of a generic Linux system. Also, we knew nothing about your hardware or what exactly you are doing to stress your system from your first very concise post.

Also:

The main problem is long (3-5+ second) pauses, especially when there's any kind of background disk or CPU activity.

"any kind of background disk or cpu activity" being blocking is not typical for Linux, and does point to something being "not generic". So that's what we go by, but the situation is now further explained further with:

when the CPU is under load, such as when compiling things in the background

What you seem to be confusing is the apparent UI responsiveness of multi-process browsers compared to a single-process application when you are literally swamping the CPU and I/O. Pale Moon might indeed not do very well if you starve a system of compute resources because it doesn't use a dedicated process to feign responsiveness while content processes are just as slow in the background. If you're not a noob as claimed, then you certainly are aware of the nice tool in Linux to bump the niceness level of your compilation up?

Considering the overall tone in the disapproved posts, though, I don't think you're interested in actually troubleshooting here, but would rather attack anyone asking for details about your custom setup, let alone details about your hardware, so I'll leave it here and go get my coffee, instead

Also, please (re-)read the note "Before you begin" here: https://developer.palemoon.org/build/