2 Processors under FreeBSD 5.3

[Julian Elischer]

Stephen Montgomery-Smith wrote:

> I have a dual Athlon MP computer, and I have a very recent version of 
> FreeBSD 5.3 running on it.
>
> If I start 6 computer intensive processes, and then kill 3 of them 
> that are using (say) processor 1,

> then the other 3 processes are all processor 0, and as such only get 
> 33% computer time each.
>
> Under FreeBSD 4.10 they would have got 66% computer time each, because 
> there each process didn't seem stuck to a particular processor.
>
> Is there a sysctl variable that controls this, or is this a bug in 
> FreeBSD 5.3, or what is going on?
>
> Here is the computer intensive process:
>
> main() {
>   int i;
>   while(1) {i++;}
> }

what scheduler are  you using?