On Sat, 10 Mar 2007 22:40:47 +0100 (CET)
Wojciech Puchar <[EMAIL PROTECTED]> wrote:
> > I have heard it does not scale well above 4
> to be clear.
> kernel task (disk I/O, network etc.) is always on first processor,
> everything else on any CPU.
> so as long as disk I/O network and other kernel tasks are able to
> fit on one processor that's OK.
> for machines doing mostly pure computing 8-16 CPU may work fine,
> for machines doing mostly fileserving and routing even 2 CPUs may
> be not well utilized
That is only true if the process is giant locked. When look at dmesg,
look for things that say GIANT-LOCKED and those will be ones confined
to one processor. There has been a massive push since 5 to get ride
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