Re: [PATCH] Balanced Multi Queue Scheduler ...

Davide Libenzi (davidel@xmailserver.org)
Sun, 30 Dec 2001 12:16:50 -0800 (PST)


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.

- Davide

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