[fpc-pascal] Single threaded application on multicore CPU
Graeme Geldenhuys
mailinglists at geldenhuys.co.uk
Wed Jun 22 10:48:47 CEST 2016
On 2016-06-22 08:02, LacaK wrote:
> I know that in theory CPU can switch single thread between cores
As Torsten said, that is exactly what happens. It is not “just in
theory”, it happens all the time. I see that constantly on my i7 CPU
with long running processes.
As for the cost of moving it between cores. I have no clue, but I would
imagine that switching between cores in a single CPU is not that
expensive (the cores are so close together and tightly integrated),
compared to switching between physical CPU’s. I don’t have a multi CPU
system to give actual observations, but that’s my theory. ;-)
Regards,
Graeme
--
fpGUI Toolkit - a cross-platform GUI toolkit using Free Pascal
http://fpgui.sourceforge.net/
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