Hi list, Should a 6.1 smp compiled kernel run Ok on a uniprocessor? We ship both single core and dual core systems and would like to use only one kernel. Thanks, Steve -- "They that give up essential liberty to obtain temporary safety, deserve neither liberty nor safety." (Ben Franklin) "The course of history shows that as a government grows, liberty decreases." (Thomas Jefferson)
Stephen Clark wrote:> Should a 6.1 smp compiled kernel run Ok on a uniprocessor? > > We ship both single core and dual core systems and would like to use > only one > kernel.Yes is should although you might see some performance loss. Steve ===============================================This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.
> Date: Fri, 28 Jul 2006 14:44:38 -0400 > From: Stephen Clark <Stephen.Clark@seclark.us> > Sender: owner-freebsd-stable@freebsd.org > > Hi list, > > Should a 6.1 smp compiled kernel run Ok on a uniprocessor? > > We ship both single core and dual core systems and would like to use > only one > kernel.It should run on a uniprocessor just fine, but I believe that there will be a performance penalty as and SMP kernel does additional work for synchronization that is not needed on single CPUs. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 Key fingerprint:059B 2DDF 031C 9BA3 14A4 EADA 927D EBB3 987B 3751