new DragonFly-3.2 scheduler and PostgreSQL comparision with FreeBSD 9.1-RC1

[Volodymyr Kostyrko]

20.11.2012 23:03, Mike Jakubik wrote:
>>> I don't like comparing Release Candidates without any details about
>>> config,
>>> but the fact that DF 3.2 is much better than DF 3.0 is interesting.
>>> And they
>>> are very close to performance of Scientific Linux 6.2.
>>
>> Hey cool! And FreeBSD-9.1 is on there and doing worse than Linux and
>> Dragonfly BSD. I wonder why that is.
>>
>> Lemme cross post this a little to see what people think.
>>
>>>
>>> http://lists.dragonflybsd.org/pipermail/users/2012-October/017536.html
>>>
>>> Graphs are available as PDF attachments
>>>
>>>
>>> http://lists.dragonflybsd.org/pipermail/users/attachments/20121010/7996ff88/attachment-0002.pdf
>>>
>>>
>>>
>>> http://lists.dragonflybsd.org/pipermail/users/attachments/20121010/7996ff88/attachment-0003.pdf
>>>
>
> These numbers show very significant improvements. Any
> possibility/interests in porting this scheduler to FreeBSD or this too
> much work? I know many have and still complain about our current scheduler.

That's a no go. In short DragonFly was sprung off long ago because Matt 
Dillon preferred the other way of working with multiple CPUs. From my 
point of view DragonFly kernel architecture is much closer to 
Singularity and Barrelfish.

-- 
Sphinx of black quartz, judge my vow.