Re: [ckrm-tech] [RFC PATCH] scheduler: Dynamic sched_domains

[Paul Jackson]

Marc wrote:
> > ... thus making supporting interesting NUMA machines
> > and SMT machines easier.
> 
> Would you be so kind and elaborate on the SMT part.

Sure - easy - I mistyped "SMP".  Even on a system as simple as
a dual processor, tightly coupled HPC applications, using one
thread per processor, run much better if indeed they are placed
one thread to a processor, allowing for genuine parallelism.

-- 
                          I won't rest till it's the best ...
                          Programmer, Linux Scalability
                          Paul Jackson <pj@xxxxxxx> 1.650.933.1373
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