CPU cores & threads & fibers

[Etienne Cimon via Digitalmars-d-learn]

On 2015-06-14 08:35, Robert M. Münch wrote:
> Hi, just to x-check if I have the correct understanding:
>
> fibers     = look parallel, are sequential     => use 1 CPU core
> threads     = look parallel, are parallel     => use several CPU cores
>
> Is that right?
>

Yes, however nothing really guarantees multi-threading = multi-core. The 
kernel reserves the right and will most likely do everything possible to 
keep your process core-local to use caching efficiently.

There's a few ways around that though

https://msdn.microsoft.com/en-us/library/windows/desktop/ms686247%28v=vs.85%29.aspx
http://man7.org/linux/man-pages/man2/sched_setaffinity.2.html