[erlang-questions] How does Erlang schedule process?

Björn-Egil Dahlberg XB <>
Tue Mar 8 19:06:17 CET 2016

This thesis gives some background and orientation:
Characterizing the Scalability of Erlang VM on Many-core Processors 
(Jianrong Zhang)
It's from 2011 so the information is not up to date on but should be 
good enough.

For details, look at
in beam_emu.c.

Start with the thesis.

On 2016-03-08 18:12, Jung Kim wrote:
> I am very new to Erlang, and just read that Erlang style process is 
> done with something similar to coroutine + preemptive scheduling[1]. 
> So I am interested to know how Erlang schedule process without the 
> user inserting code like coroutine.yield() in the function created. Is 
> there any document detail about this (I find some discussion like [2] 
> but that doesn't give me a clear blueprint)? Or which part of source 
> code should I look into?
> I appreciate any suggestions.
> [1]. 
> https://hamidreza-s.github.io/erlang/scheduling/real-time/preemptive/migration/2016/02/09/erlang-scheduler-details.html
> [2]. http://erlang.org/pipermail/erlang-questions/2001-April/003132.html
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