On Sunday, 14 June 2015 at 15:54:30 UTC, Etienne Cimon wrote:
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
FYI:
https://issues.dlang.org/show_bug.cgi?id=11686
https://issues.dlang.org/show_bug.cgi?id=11687
