Multi CPU support in 6.0
David Landgren
david at landgren.net
Tue Nov 8 14:20:56 PST 2005
And Julian Elischer did write:
> David Landgren wrote:
>
>> And Kris Kennaway did write:
>>
>>> On Mon, Nov 07, 2005 at 05:15:55PM +0100, Achim Patzner wrote:
>>>
>>>> Am 07.11.2005 um 16:27 schrieb Ollivier Robert:
>>>>
>>
>> [...]
>>
>>>> I remember someone writing that the intermediate state of -CURRENT
>>>> while removing the giant lock around the kernel wasn't viable with
>>>> more than four CPUs as it would completely deadlock from time to
>>>> time. I guess we're a bit further down the road...
>>>
>>>
>>>
>>>
>>> That certainly seems to be the case. You want to use FreeBSD 6.0,
>>> which has excellent performance and stability on SMP in my testing,
>>> even with 14 CPUs. FreeBSD 5.4 is definitely not up to it, since VFS
>>> is under Giant.
>>
>>
>>
>> Well I'm going to take the plunge and bring an HP Netserver LT 6000
>> with 6 CPUs up from 5.4-STABLE to 6.
>
>
>
> do some benchmarks before and after :-)
Ah... wise words. I'll try a couple of things out then.
Thanks,
David
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