On Wednesday 08 March 2006 03:38, Benjamin LaHaise wrote:

> It's hardly that uncommon for pages to cross cachelines or for pages to
> move around CPUs with networking. 

Data?

> Please name some sort of benchmarks that show your concerns for decreased
> performance.  

Anything that manipulates lots of data.

> I've shown you one that gets improved, and I think the pages 
> not overlapping cachelines is only a good thing.

I think increasing the working set and wasting lots of money for this is only
a bad thing.

> I know these things look like piddly little worthless optimizations

In this case they look more like "make the big picture worse for some 
microbenchmark" to me.

-Andi

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