=
Am 09.06.2014 um 01:52 schrieb George Mitchell <george+freebsd@m5p.com>:
> On 06/08/14 19:22, John-Mark Gurney wrote:
>> [...] it turns out that the electricity
>> savings in a year, paid for the entire cost of the new switch... We
>> were talking ~$250/year in savings, so, upgrading can end up saving
>> you money...
>> =
> Thanks for the advice on what hardware I should run. But why should I
> believe that upgrading to SMP and running with ULE will make my life
> better? In fact, when I tried ULE + a six-core system + dnetc + make
> buildworld, etc., a couple of years ago (I do have one SMP system),
> the results were just as appalling compared to 4BSD as with a single
> processor. =97 George
I think a lot of progress has been made as compared to =84a couple of years=
ago=93.
I have no hard numbers to back that up, of course, because I don=92t have a=
uniform work-load that I can throw different releases (and kernels) at.
In addition to that, older FreeBSD releases generally run on (much) older h=
ardware and thus I can=92t compare the performance directly.
But I would hesitate to, in essence, call the results of the efforts of the=
developers over the last years =84appalling=93.
That said, you can still buy single-core systems and I actually run one: an=
ALIX 2d13. And I think my Centrino-laptop is also single-core (but it=92s =
from 2004=85).
But the Alix runs pfSense, not FreeBSD. As such, the pfSense-project is res=
ponsible for issuing patches (and does so).
People running non-standard kernel for other reasons (VIMAGE comes to mind)=
probably have a similar problem.
AFAIK, you should be able to run a local freebsd-update server and build th=
e patches yourself.
I just don=92t know if it will actually fix your problem out of the box or =
what else would have to be done so that freebsd-update replaces the kernel =
with the one from your custom freebsd-update server...
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