Re: Continuing the saga Non-Blocking GUI developement

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Melvin,

As an after thought, the computation you're doing is fairly
complicated isn't it? This isn't a
thread-constantly-polling-for-data-on-socket loop sort of thing,
right?

Paul

On 1/24/07, Paul Davis <pjdavis@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Melvin,
>
> Is it *just* your app that becomes unresponsive? Or the entire
> desktop? Judging from the discussion I'm guessing that you wrote this
> with two threads. What I'm guessing is that your background thread has
> maxed out an entire processor. If you've only got one thread doing cpu
> intensive tasks it makes sense that it works fine on a dual cpu system
> and not a single cpu system.
>
> There are two methods I can see to solve this problem. The first and
> easiest to test and see if it works is to try and reduce the priority
> of your computation thread.
>
> The second is to rework your computational thread so that it
> periodically gives up control of the processor so that other process
> can run. Quite a bit more complex to accomplish in any meaningful way
> and its also quite dependant on the algorithm itself.
>
> > I have no idea how to fix this, I seemed to have made the fatal assumption
> > that linux can time slice gthread code... Is this the problem?
> >
>
> I'm not entirely certain what you're asking. Of course linux is time
> slicing your program. This sounds like a typical resource starvation
> issue.
>
> HTH,
> Paul
>
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