A context switch is faster than running ssh and checking for exit status
and then immediately running nfs-kernel-server right after it. and so on.
Arthur Corliss wrote:
> On Mon, 26 Jan 2009, Shane R. Spencer wrote:
>
>> Also yall,
>> The amount of cores involved is mostly pointless. You're running a
>> multi-tasking operating system :)
>
> I disagree with this. Multitasking on a single core means a context switch
> for the processor to stop one process and allow another to execute.
> Multitasking on a SMT processor like the original P4s where both pipelines
> are not equal (only one virtual processor would have a fully functional
> ALU)
> can actually cause performance degradation in some workloads as well.
>
> Having multiple cores, however, means concurrent execution of more than one
> process at a time, and can significantly improve parallelized workloads.
>
> --Arthur Corliss
> Live Free or Die
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Received on Mon Jan 26 10:51:17 2009
This archive was generated by hypermail 2.1.8 : Mon Jan 26 2009 - 10:51:17 AKST