[mythtv-users] Folding at home, having it start/stop between recordings/jobs??

[Bobby Gill]

>
> >> Note if you are iobound this is NOT your solution, however....
> >
> > Can you explain this?
>
> Your CPU is actually only ever running one program at a time (with the
> exception of hyper-threading). The way multitasking is done is the CPU
> is interupted at regular intervals and it decides which program to run
> during the next interval. Usually it does this switching frequently
> enough that it is seemless to you. It appears that all of your apps
> are running at the same time, when in reality they are each taking
> turns at the CPU. When you renice a program you tell the CPU to give
> that program lower priority and it won't get as much time on the CPU
> as programs with higher priority.
>
> If you are not CPU bound but are I/O bound then renice will happily
> let your program have all the time it needs on the CPU and thus you
> will still have I/O problem.


Thanks a bunch, that's good info for me! So basically if the process isn't a
CPU hog like f at h, but rather something that's using the HD, then renice
isn't useful for /that/, right? That's good to know for future issues.

Thanks
Bob
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