[erlang-questions] Erlang/OTP R13A has been released

Ulf Wiger <>
Wed Mar 18 15:29:01 CET 2009


Rickard Green wrote:
> 
> What is meant by low load situations here is maybe not clear. Low
> load situations here are situations with fewer running processes than
>  schedulers, and high load situations here are situations with more 
> runnable and running processes than schedulers. The external load on
> the system might be high even in internal low load situations.
> 
> In a high load situation the bind order currently doesn't matter. 
> However, this might change in the future. But it does matter in low
> load situations, also from a performance point of view.
> 
> An example from a performance point of view: If you have two running
>  processes, it is better if they execute on different cores than on 
> different hyperthreads of the same core.

Ah, then I understand much better. Thanks.  (:

BR,
Ulf W

-- 
Ulf Wiger
CTO, Erlang Training & Consulting Ltd
http://www.erlang-consulting.com



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