Messages in this thread | | | Date | Tue, 21 Feb 2006 15:14:47 -0800 (PST) | From | Christoph Lameter <> | Subject | Re: [patch] Cache align futex hash buckets |
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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.
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