Re: [PATCH] Balanced Multi Queue Scheduler ...
Stephan von Krawczynski (skraw@ithnet.com)
Mon, 31 Dec 2001 00:20:29 +0100
> On Sun, 30 Dec 2001, Timothy Covell wrote:                          
>                                                                     
> > each CPU?   And this reminds me of how "make -j3 bzlilo" is slower
than                                                                  
> > "make -j2 bzlilo".                                                
>                                                                     
> Running N CPU bound tasks on an M way SMP machine with N > M is     
never                                                                 
> going to improve your performace. On the contrary, expecially with  
the                                                                   
> current scheduler that keeps rotating the three tasks between the   
two                                                                   
> CPUs, you're going to suffer a slight performance degradation.      
                                                                      
And can you please post a patch for this?                             
                                                                      
;-)                                                                   
                                                                      
Honestly: it _should_ be fixed, there is a better way of doing it, and
this is the base for a patch.                                         
                                                                      
Regards,                                                              
Stephan                                                               
                                                                      
                                                                      
                                                                      
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