OT (partially): about promotion of integers

[eles]

On Wednesday, 12 December 2012 at 21:51:00 UTC, Michael wrote:
> Thread (and etc) is a high level abstraction that requires a 
> support by hardware/software/instruction set.

And you can do happily multi-threading on a single processor, 
with no parallelization and so on. It is just time-slicing. This 
could be implemented at many levels: at the hardware level, at 
the OS level, but also at the compiler level (through a runtime).