Re: [patch] Cache align futex hash buckets

[Christoph Lameter]

On Tue, 21 Feb 2006, Christoph Lameter wrote:

> It does if you essentially have a 4k cacheline (because you are doing NUMA 
> in software with multiple PCs....) and transferring control of that 
> cacheline is comparatively expensive.

Of course the above statement is a rather strong simplification of what is 
actually happening .... but I hope it helps.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/