Multiple CPUs without SMP

[Greg 'groggy' Lehey]

On Thursday, 20 October 2005 at 18:06:29 +0400, Andrew P. wrote:
> On 10/20/05, Greg 'groggy' Lehey <grog at freebsd.org> wrote:
>> On Thursday, 20 October 2005 at 15:15:39 +0400, Andrew P. wrote:
>>> I don't need SMP, I would settle on manually assigning CPU affinity
>>> to each processor, but I gather FreeBSD can only handle 2+ CPUs with
>>> SMP enabled.
>>
>> I'm wondering if you have misunderstood the purpose of SMP
>> (symmetrical multiprocessors).  That's the architecture of the
>> motherboard.  If you want to use the second processor, you're
>> effectively saying that you want to use SMP.  An SMP kernel is one
>> that supports them.
>
> Thanks for your answer.
>
> NUMA architecture would fit some of our servers so much better. But
> SMP has its own strengths which we'll try to use.

Right, but NUMA is different hardware from SMP.  We don't support any
"real" NUMA hardware.

Greg
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