Scheduler weirdness

[Alex R]

Steve Kargl wrote:
> On Mon, Oct 12, 2009 at 01:49:27PM +1100, Alex R wrote:
>   
>> Steve Kargl wrote:
>>     
>>> So, you have 4 cpus and 4 folding-at-home processes and you're
>>> trying to use the system with other apps?  Switch to 4BSD.
>>>
>>>  
>>>       
>> I thought SCHED_ULE was meant to be a much better choice under an SMP 
>> environment. Why are you suggesting he rebuild his kernel and use the 
>> legacy scheduler?
>>
>>     
>
> If you have N cpus and N+1 numerical intensitive applications,
> ULE may have poor performance compared to 4BSD.   In OP's case,
> he has 4 cpus and 4 numerical intensity (?) applications.  He,
> however, also is trying to use the system in some interactive
> way.
>
>   
Ah ok. Is this just an accepted thing by the freebsd dev's or are they 
trying to fix it?