[zeromq-dev] threads versus cores

Andrew Hume andrew at research.att.com
Sun Nov 11 02:43:53 CET 2012


maybe.
but in a recent application i had, where i did a lot of MD5 cheksums,
hyperthreading got me a factor 1.8.

On Nov 10, 2012, at 4:00 PM, Charles Remes wrote:

> 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
>> _______________________________________________
>> zeromq-dev mailing list
>> zeromq-dev at lists.zeromq.org
>> http://lists.zeromq.org/mailman/listinfo/zeromq-dev
> 
> _______________________________________________
> zeromq-dev mailing list
> zeromq-dev at lists.zeromq.org
> http://lists.zeromq.org/mailman/listinfo/zeromq-dev


-----------------------
Andrew Hume
623-551-2845 (VO and best)
973-236-2014 (NJ)
andrew at research.att.com



-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.zeromq.org/pipermail/zeromq-dev/attachments/20121110/6bb36164/attachment.htm>


More information about the zeromq-dev mailing list