Messages in this thread | | | Date | Fri, 11 Jan 2008 09:18:41 -0800 | From | Arjan van de Ven <> | Subject | Re: CPA patchset |
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On Fri, 11 Jan 2008 09:02:46 -0800 (PST) dean gaudet <dean@arctic.org> wrote:
> > Bulk ops (string ops, etc.) will do full cacheline writes too, > > without filling in the cacheline. > > on intel with fast strings enabled yes. mind you intel gives hints in > the documentation these operations don't respect coherence... and i > asked about this when they posted their memory ordering paper but got > no response.
I know there's an answer on the way; it just needs to get checked by architects for cpus we shipped in like the last 10 years ;)
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