[zeromq-dev] threads versus cores

Charles Remes lists at chuckremes.com
Sun Nov 11 00:00:36 CET 2012


Use cores. The "hyper threading" touted by Intel is just marketing BS.

cr

On Nov 10, 2012, at 4:37 PM, Peter Vittali <mycircuit at sunrise.ch> wrote:

> Hi
> 
> In the ZeroMq documentation there is mention of 'threads' and 'cores'
> and it seems as if it is supposed
> that each core can run one thread at a time ( that is without
> switching between threads ).
> However, my box has this CPU: Intel(R) Core(TM) i3-2120, which
> according to spec has two cores and 4 threads.
> Does this mean, for the purpose of designing 0mq apps, that I can
> replace the term 'core' with 'thread' ?
> In other words, on such a CPU, is the concurrency delimiting factor
> for 0MQ the number of cores or the number of threads.
> 
> Thanks for your thoughts
> mycircuit
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