Re: 2.6.0 performance problems

[Linus Torvalds]

On Mon, 29 Dec 2003, Thomas Molina wrote:
>
> I just finished a couple of comparisons between 2.4 and 2.6 which seem to 
> confirm my impressions.  I understand that the comparison may not be 
> apples to apples and my methods of testing may not be rigorous, but here 
> it is.  In contrast to some recent discussions on this list, this test is 
> a "real world" test at which 2.6 comes off much worse than 2.4.  

Are you sure you have DMA enabled on your laptop disk? Your 2.6.x system 
times are very high - much bigger than the user times. That sounds like 
PIO to me.

		Linus
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