On Tue, 21 Aug 2007, Mathieu Desnoyers wrote:

> Therefore, in the test where we have separate passes for slub allocation
> and free, we hit mostly the slow path. Any particular reason for that ?

Maybe on SMP you are schedule to run on a different processor? Note that 
I ran my tests at early boot where such effects do not occur.
 
> Note that the alloc/free test (test 2) seems to hit the fast path as
> expected.

It is much more likely in that case that the execution thread stays on one 
processor.
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